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Thread: Vnh đai lửa Thi Bnh Dương / Ring of Fire

  1. #1
    Dac Trung
    Khch

    Vnh đai lửa Thi Bnh Dương / Ring of Fire

    Vnh đai lửa Thi Bnh Dương l một khu vực hay xảy ra động đất v cc hiện tượng phun tro ni lửa . Đi khi cn được gọi l vnh đai địa chấn Thi Bnh Dương.



    The large series of volcanoes (some active) encircling the Pacific Ocean are referred to as being part of the Ring of Fire, and notorious for frequent earthquakes and volcanic eruptions.

    The Ring of Fire, coinciding with the edges of one of the world's main tectonic plates, (the Pacific Plate) contains over 450 volcanoes and is home to approximately 75% of the world's active volcanoes.

    Nearly 90% of the world's earthquakes occur along the Ring of Fire; most recently, the devasting quakes in Chile, Japan and New Zealand.

    Volcanoes and Earthquakes of note:

    Christchurch Earthquake, New Zealand
    Mount Saint Helens, Washington, USA
    Mount Pinatubo, Philippines
    Mt. Fuji, Japan
    Paricutin Volcano, Mexico
    Santiago Earthquake, Chile
    Sendai Earthquake, Japan

    http://www.worldatlas.com/aatlas/infopage/ringfire.htm

    Ring of Fire, Plate Tectonics, Sea-Floor Spreading, Subduction Zones


    coi trong :

    http://vulcan.wr.usgs.gov/Glossary/P...tectonics.html

    Ring of Fire

    The "Ring of Fire", also called the Circum-Pacific belt, is the zone of earthquakes surrounding the Pacific Ocean- about 90% of the world's earthquakes occur there. The next most seismic region (5-6% of earthquakes) is the Alpide belt (extends from Mediterranean region, eastward through Turkey, Iran, and northern India.



    http://earthquake.usgs.gov/learn/glossary/?termID=150

    Significant tectonic plates on the earth's surface.
    Public Domain from USGS

    The layer of the Earth we live on is broken into a dozen or so rigid slabs (called tectonic plates by geologists) that are moving relative to one another.

    http://pubs.usgs.gov/gip/dynamic/slabs.html

    http://geography.about.com/cs/earthq...ringoffire.htm

  2. #2
    Dac Trung
    Khch
    The Pacific 'Ring of Fire'



    Circling the Pacific Basin, on the bottom of the sea bed, lie a dramatic series of volcanic arcs and oceanic trenches.

    The zone - known as the "Ring of Fire" - is notorious for frequent earthquakes and volcanic eruptions, and coincides with the edges of one of the world's main tectonic plates.

    More than half of the world's active volcanoes above sea level are part of the ring.

    Intense geological activity


    By the 1960s, scientists had developed a theory called plate tectonics explaining the locations of volcanoes and other large-scale geologic features.

    According to tectonic theory, the surface of the Earth is made up of a patchwork of massive rigid plates, about 80km (50 miles) thick, which float in slow motion on top of the Earth's hot, pliable interior.

    The plates change size and position over time, moving at speeds of between 1cm and 10cm every year - about the speed at which fingernails grow.

    New sea bed is constantly being created in the middles of the oceans - flowing out as hot lava, and rapidly cooling on contact with cold deep sea water.

    To make room for the continual addition of new ocean crust, all the Earth's plates move. And as they move, intense geologic activity occurs at the plate edges.

    At the edges, one of three things may occur:

    the plates can be moving away from each other, leaving space for new ocean floor
    some plates are moving towards each other, causing one to submerge beneath the other
    other boundaries slide past each other without much disturbance.

    Tectonics and earthquakes

    Parts of the plate boundary that slide past one another in opposite directions - such as the San Andreas Fault - cause minor earthquakes.

    The faults may also create cliffs or scarps thousands of feet high on the ocean bed.

    But where one oceanic plate collides with and is forced deep into the Earth's interior, the subsumed plate encounters high temperatures and pressures that partially melt solid rock.

    Some of this newly-formed magma rises to the Earth's surface and erupts, forming chains of violent volcanoes - like the Ring of Fire.

    These narrow plate-boundary sites, known as subduction zones, are also associated with the formation of deep ocean trenches and big earthquakes.

    When there is an earthquake under the sea, one side of the ocean floor suddenly drops downward, beneath the top edge of the subducting plate.

    The resulting vertical fault will generate a tsunami - much as a wave machine in a swimming pool will generate one.

    The movements of the plates usually allow little warning for those at risk in coastal areas.

    One warning of a tsunami is that there is a rush of water away from the coastline - but this predictor may mean the forthcoming seismic wave is only minutes away.

    http://news.bbc.co.uk/2/hi/8284372.stm

  3. #3
    Dac Trung
    Khch
    Latest Earthquakes in the World

    coi trong :

    http://earthquake.usgs.gov/earthquakes/map/

    2.7 4km E of Redwood Valley, California 2012-10-24 18:29:06 39.267N 123.155W 2.1
    2.9 5km S of Volcano, Hawaii 2012-10-24 18:18:44 19.380N 155.242W 3.1
    5.4 163km SSW of George Town, Cayman Islands 2012-10-24 17:56:00 17.844N 81.690W 32.7
    2.6 56km NNW of Challis, Idaho 2012-10-24 16:03:57 44.956N 114.564W 22.5
    4.5 200km NNE of Mayo, Canada 2012-10-24 13:36:43 65.240N 134.216W 5.0
    2.9 9km SSE of Esperanza, Puerto Rico 2012-10-24 12:54:36 18.020N 65.423W 18.0
    2.7 10km ENE of Honaunau-Napoopoo, Hawaii 2012-10-24 11:29:59 19.498N 155.780W 10.1
    2.7 78km NW of Middleton Island, Alaska 2012-10-24 11:20:41 59.907N 147.356W 0.0
    2.5 6km S of Volcano, Hawaii 2012-10-24 10:00:48 19.368N 155.237W 3.5
    3.1 78km NW of Middleton Island, Alaska 2012-10-24 09:33:45 59.870N 147.421W 11.3
    3.2 71km SSE of Tanaga Volcano, Alaska 2012-10-24 08:35:14 51.279N 177.774W 25.6
    3.1 49km ESE of Lazy Mountain, Alaska 2012-10-24 07:59:02 61.511N 148.037W 12.4
    2.7 30km S of Old Iliamna, Alaska 2012-10-24 07:35:26 59.481N 154.834W 201.8
    4.7 17km E of Funaishikawa, Japan 2012-10-24 07:05:42 36.446N 140.763E 69.2
    4.7 11km SW of False Pass, Alaska 2012-10-24 06:50:48 54.778N 163.536W 90.5
    2.5 42km NNW of Valdez, Alaska 2012-10-24 05:56:17 61.494N 146.560W 26.1
    3.1 36km SW of Anchor Point, Alaska 2012-10-24 05:43:44 59.581N 152.361W 84.3
    2.6 25km ENE of King City, California 2012-10-24 04:26:16 36.308N 120.865W 8.4
    2.7 12km NNE of Willow, Alaska 2012-10-24 03:08:17 61.853N 149.981W 16.2
    4.5 9km W of Hojancha, Costa Rica 2012-10-24 01:55:27 10.049N 85.500W 11.1
    4.3 37km N of San Miguel Panixtlahuaca, Mexico 2012-10-24 01:36:43 16.581N 97.336W 46.8
    6.5 13km ENE of Hojancha, Costa Rica 2012-10-24 00:45:34 10.121N 85.314W 20.1
    3.4 142km NNE of Road Town, British Virgin Islands 2012-10-24 00:35:41 19.663N 64.265W 40.0
    4.6 82km NW of Madang, Papua New Guinea 2012-10-24 00:02:52 4.750S 145.221E 45.7
    4.5 263km NNE of Ndoi Island, Fiji 2012-10-23 22:15:28 18.423S 177.822W 628.7
    3.0 32km SSE of Tanaga Volcano, Alaska 2012-10-23 22:00:54 51.606N 178.015W 6.7
    4.7 65km ESE of Ofunato, Japan 2012-10-23 21:55:16 38.755N 142.351E 42.2
    2.6 37km SSW of Tanaga Volcano, Alaska 2012-10-23 20:01:02 51.577N 178.354W 9.0
    4.6 Off the west coast of northern Sumatra 2012-10-23 19:11:52 2.150N 92.447E 29.0
    5.1 6km ENE of Finschhafen, Papua New Guinea 2012-10-23 18:00:43 6.583S 147.923E 38.3
    4.8 6km ESE of Finschhafen, Papua New Guinea 2012-10-23 17:47:56 6.635S 147.918E 53.4
    4.2 250km SSW of Sidorukun, Indonesia 2012-10-23 16:34:18 10.809S 113.654E 25.9
    4.1 7km E of Kubachi, Russia 2012-10-23 16:17:56 42.094N 47.695E 20.6
    3.4 73km SSE of Tanaga Volcano, Alaska 2012-10-23 15:25:43 51.265N 177.752W 20.1
    4.7 7km W of Preveza, Greece 2012-10-23 15:20:42 38.956N 20.662E 10.0
    3.2 142km ENE of Kodiak, Alaska 2012-10-23 12:43:48 58.444N 150.322W 3.1
    3.1 98km NNE of Road Town, British Virgin Islands 2012-10-23 11:53:27 19.178N 64.126W 41.0
    2.9 42km SSE of Redoubt Volcano, Alaska 2012-10-23 11:28:39 60.162N 152.321W 92.2
    5.1 35km SSW of Taltal, Chile 2012-10-23 10:45:21 25.717S 70.556W 32.4
    6.0 39km WNW of Ile Hunter, New Caledonia 2012-10-23 09:39:31 22.316S 171.675E 127.0
    5.2 West of Macquarie Island 2012-10-23 09:33:19 57.575S 148.078E 10.0
    5.9 Izu Islands, Japan region 2012-10-23 08:53:38 29.090N 139.244E 443.0
    3.0 60km N of Charlotte Amalie, U.S. Virgin Islands 2012-10-23 08:22:15 18.889N 65.004W 7.0
    3.7 38km SW of Ferndale, California 2012-10-23 07:45:52 40.299N 124.532W 8.7
    2.5 23km SW of Coalinga, California 2012-10-23 07:29:42 36.006N 120.567W 5.0
    2.8 14km SSW of Big Lake, Alaska 2012-10-23 05:52:19 61.398N 150.053W 13.6
    4.4 64km NW of Kefamenanu, Indonesia 2012-10-23 05:38:28 8.994S 124.106E 103.0
    2.5 25km ENE of King City, California 2012-10-23 05:22:05 36.296N 120.856W 8.5
    2.7 14km N of Cayucos, California 2012-10-23 04:37:56 35.577N 120.883W 5.0
    2.5 6km SSW of Cobb, California 2012-10-23 03:55:46 38.767N 122.742W 2.3
    2.5 34km NNW of Kodiak Station, Alaska 2012-10-23 02:10:08 58.059N 152.767W 96.0
    4.7 92km E of Miyako, Japan 2012-10-23 00:37:09 39.570N 143.027E 26.5
    4.5 3km WNW of Yupiltepeque, Guatemala 2012-10-23 00:21:11 14.215N 89.814W 260.5
    3.3 117km W of Cantwell, Alaska 2012-10-22 23:27:33 63.405N 151.294W 7.8
    4.7 103km NNW of Dobo, Indonesia 2012-10-22 23:05:06 4.860S 133.972E 10.0
    2.8 79km N of Road Town, British Virgin Islands 2012-10-22 21:50:01 19.130N 64.730W 59.0
    3.2 45km S of Tanaga Volcano, Alaska 2012-10-22 21:39:45 51.472N 178.154W 13.2
    2.5 42km ENE of Chignik Lake, Alaska 2012-10-22 21:39:33 56.422N 158.152W 73.9
    2.6 4km S of Volcano, Hawaii 2012-10-22 21:38:06 19.387N 155.239W 3.8
    4.4 62km WSW of Atka, Alaska 2012-10-22 19:23:04 51.982N 175.044W 71.6
    2.9 40km NE of Road Town, British Virgin Islands 2012-10-22 15:11:31 18.684N 64.357W 81.0
    5.1 Federated States of Micronesia region 2012-10-22 14:46:42 2.865N 147.691E 15.1
    2.7 102km W of Depoe Bay, Oregon 2012-10-22 12:37:57 44.910N 125.348W 27.9
    4.8 77km SE of Severo-Kuril'sk, Russia 2012-10-22 11:58:24 50.157N 156.840E 40.8
    2.8 131km NNE of Road Town, British Virgin Islands 2012-10-22 10:46:13 19.524N 64.168W 77.0
    5.2 97km ENE of Visokoi Island, 2012-10-22 09:56:00 56.339S 25.749W 46.0
    4.6 67km SE of Ishinomaki, Japan 2012-10-22 09:27:10 38.020N 141.889E 53.9
    3.6 95km ESE of King Salmon, Alaska 2012-10-22 08:19:10 58.245N 155.136W 6.1
    3.2 143km NNE of Road Town, British Virgin Islands 2012-10-22 05:26:29 19.664N 64.264W 63.0
    3.4 75km SSE of Buldir Island, Alaska 2012-10-22 03:43:35 51.720N 176.289E 36.6
    2.5 155km NNW of Old Iliamna, Alaska 2012-10-22 02:04:22 61.065N 155.867W 15.3
    4.8 41km ESE of Kamaishi, Japan 2012-10-22 01:43:20 39.083N 142.305E 66.3
    4.6 165km SW of Sarangani, Philippines 2012-10-22 01:02:24 4.220N 124.547E 319.6
    3.6 43km SW of Nikolski, Alaska 2012-10-22 00:49:45 52.669N 169.341W 49.7
    4.8 122km WSW of Hihifo, Tonga 2012-10-22 00:32:10 16.473S 174.764W 37.7
    3.2 68km NE of Camalu, Mexico 2012-10-21 23:47:35 31.301N 115.584W 10.0
    3.0 66km N of Tierras Nuevas Poniente, Puerto Rico 2012-10-21 23:28:42 19.065N 66.457W 38.0
    3.0 60km S of Nikolski, Alaska 2012-10-21 23:26:25 52.399N 169.027W 29.1
    2.8 36km SW of Ferndale, California 2012-10-21 23:03:14 40.310N 124.522W 19.1
    5.0 60km S of Intipuca, El Salvador 2012-10-21 20:44:19 12.655N 88.147W 92.1
    3.6 4km ENE of Blue Lake, California 2012-10-21 20:40:08 40.901N 123.934W 21.9
    5.5 57km S of Intipuca, El Salvador 2012-10-21 20:28:20 12.683N 88.106W 65.5
    4.3 189km S of Amahusu, Indonesia 2012-10-21 19:14:20 5.441S 128.202E 365.0
    2.6 42km NE of Road Town, British Virgin Islands 2012-10-21 19:05:23 18.719N 64.368W 40.0
    4.7 141km WNW of Iranshahr, Iran 2012-10-21 16:38:20 27.753N 59.395E 10.0
    4.5 27km SW of Al Fujayrah, United Arab Emirates 2012-10-21 16:13:22 24.956N 56.139E 33.0
    4.6 Kepulauan Barat Daya, Indonesia 2012-10-21 15:30:45 7.346S 128.594E 158.5
    2.8 26km ENE of King City, California 2012-10-21 15:21:02 36.281N 120.840W 9.8
    4.3 8km ENE of Arroyo Salado, Dominican Republic 2012-10-21 15:07:30 19.521N 69.823W 17.9
    2.8 104km W of Willow, Alaska 2012-10-21 13:54:03 61.786N 152.024W 60.3
    4.4 8km WSW of Nicoya, Costa Rica 2012-10-21 13:32:02 10.128N 85.525W 41.1
    5.1 22km WNW of Tungor, Russia 2012-10-21 11:57:27 53.434N 142.634E 9.9
    4.7 18km SSW of Curanilahue, Chile 2012-10-21 11:40:37 37.617S 73.440W 16.5
    4.4 14km E of Murghob, Tajikistan 2012-10-21 10:58:29 38.182N 74.130E 156.0
    3.1 101km NE of Road Town, British Virgin Islands 2012-10-21 10:51:49 19.045N 63.914W 93.0
    3.4 2km WSW of Luther, Oklahoma 2012-10-21 10:44:15 35.653N 97.215W 5.0
    2.7 5km S of Volcano, Hawaii 2012-10-21 09:58:33 19.379N 155.241W 3.4
    4.6 45km ESE of Buldir Island, Alaska 2012-10-21 08:43:54 52.208N 176.552E 31.8
    4.7 215km W of Dawei, Myanmar 2012-10-21 07:54:46 13.783N 96.225E 30.0
    3.1 27km ENE of King City, California 2012-10-21 07:51:33 36.307N 120.847W 10.9
    3.6 27km ENE of King City, California 2012-10-21 07:37:47 36.309N 120.849W 10.2
    2.7 77km NNE of Road Town, British Virgin Islands 2012-10-21 07:18:05 19.058N 64.332W 56.0
    2.9 26km ENE of King City, California 2012-10-21 07:18:03 36.306N 120.858W 8.0
    2.8 12km SE of Emajagua, Puerto Rico 2012-10-21 07:15:12 17.934N 65.782W 13.0
    5.3 26km ENE of King City, California 2012-10-21 06:55:09 36.310N 120.856W 9.2
    4.6 39km NE of Itbayat, Philippines 2012-10-21 06:27:44 21.072N 122.075E 156.1
    4.4 24km SSW of Kalapagenep, Indonesia 2012-10-21 02:41:14 8.021S 108.224E 71.0
    3.4 64km ESE of Cordova, Alaska 2012-10-21 02:27:11 60.313N 144.676W 11.3
    5.7 18km NNE of Siglufjordur, Iceland 2012-10-21 01:25:22 66.296N 18.685W 9.9
    3.3 146km N of Vieques, Puerto Rico 2012-10-21 00:52:32 19.728N 65.603W 63.0
    4.8 29km NNE of Siglufjordur, Iceland 2012-10-21 00:10:36 66.372N 18.554W 10.2
    4.8 Chagos Archipelago region 2012-10-20 23:30:06 5.409S 68.581E 10.0
    2.9 131km NE of Road Town, British Virgin Islands 2012-10-20 23:17:13 19.317N 63.807W 90.0
    6.2 108km WNW of Sola, Vanuatu 2012-10-20 23:00:32 13.565S 166.601E 35.6
    4.8 15km SW of Kosh-Agach, Russia 2012-10-20 22:46:38 49.920N 88.493E 16.8
    2.9 8km SW of Progreso, Mexico 2012-10-20 22:38:56 32.533N 115.655W 14.3
    4.3 215km SE of Lambasa, Fiji 2012-10-20 22:14:56 17.537S 178.958W 515.7
    4.5 7km NNW of Aratoca, Colombia 2012-10-20 21:51:11 6.756N 73.051W 165.2
    4.6 78km SW of Atocha, Bolivia 2012-10-20 21:48:51 21.486S 66.713W 208.0
    4.7 20km W of Farkhor, Tajikistan 2012-10-20 17:31:57 37.471N 69.174E 10.4
    4.9 185km SSW of Sungaipenuh, Indonesia 2012-10-20 16:29:50 3.546S 100.573E 35.8
    2.9 126km NNE of Road Town, British Virgin Islands 2012-10-20 13:39:49 19.491N 64.202W 72.0
    4.8 136km WNW of Francisco Pizarro, Colombia 2012-10-20 10:56:40 2.593N 79.848W 10.0
    4.5 172km WSW of Mohean, India 2012-10-20 10:38:20 7.378N 91.870E 30.3
    4.9 48km W of Yonakuni, Japan 2012-10-20 08:49:38 24.447N 122.525E 78.8
    2.8 0km WNW of Ponce, Puerto Rico 2012-10-20 07:51:20 18.013N 66.621W 14.0
    3.2 53km NE of Road Town, British Virgin Islands 2012-10-20 07:28:58 18.809N 64.316W 51.0
    3.0 59km N of Loiza, Puerto Rico 2012-10-20 06:03:41 18.969N 65.828W 17.0
    4.4 14km ESE of Cienaga, Colombia 2012-10-20 03:42:05 10.936N 74.136W 49.7
    2.5 88km SSE of Adak, Alaska 2012-10-20 03:34:17 51.132N 176.232W 13.9
    3.1 30km WSW of Anchorage, Alaska 2012-10-20 03:25:11 61.093N 150.397W 37.7
    4.7 68km S of Nishinoomote, Japan 2012-10-20 02:49:15 30.113N 130.983E 24.9
    4.3 71km WNW of La Ligua, Chile 2012-10-20 00:25:51 32.208S 71.931W 21.4
    2.6 5km WSW of Volcano, Hawaii 2012-10-19 23:06:23 19.408N 155.280W 1.1
    4.6 76km WSW of Illapel, Chile 2012-10-19 22:48:19 31.772S 71.959W 17.3
    4.5 20km WSW of Akbarabad, Iran 2012-10-19 22:10:52 29.175N 52.581E 10.0
    4.3 16km NNE of Borazjan, Iran 2012-10-19 21:27:29 29.402N 51.289E 9.9
    2.8 74km N of Road Town, British Virgin Islands 2012-10-19 20:44:40 19.080N 64.731W 36.0
    3.4 24km NE of Greenfield, California 2012-10-19 17:44:45 36.467N 121.035W 8.5
    2.7 4km WSW of Volcano, Hawaii 2012-10-19 17:23:24 19.420N 155.283W 1.6
    5.2 205km ENE of Ceva-i-Ra, Fiji 2012-10-19 17:22:03 21.090S 176.436E 14.0
    4.9 179km ESE of Hachijo-jima, Japan 2012-10-19 17:19:21 32.708N 141.664E 41.0
    2.7 4km S of Volcano, Hawaii 2012-10-19 17:07:56 19.387N 155.244W 3.4
    2.5 124km WSW of Fort Yukon, Alaska 2012-10-19 17:04:31 66.193N 147.903W 8.7
    4.3 92km N of Dobo, Indonesia 2012-10-19 16:27:54 4.935S 134.106E 36.1
    2.5 38km S of Tanaga Volcano, Alaska 2012-10-19 16:17:20 51.538N 178.120W 13.2
    4.1 69km W of Pacasmayo, Peru 2012-10-19 15:42:47 7.480S 80.200W 30.0
    5.3 144km NE of L'Esperance Rock, New Zealand 2012-10-19 15:34:14 30.698S 177.645W 34.9
    3.3 63km N of Road Town, British Virgin Islands 2012-10-19 13:45:34 18.979N 64.714W 4.0
    2.8 31km SW of Homer, Alaska 2012-10-19 13:39:29 59.462N 151.982W 55.3
    4.1 99km SW of Atka, Alaska 2012-10-19 13:17:32 51.574N 175.242W 26.8
    2.7 31km NNE of Talkeetna, Alaska 2012-10-19 12:38:22 62.594N 149.964W 17.4
    4.5 76km WNW of Kirakira, Solomon Islands 2012-10-19 11:55:53 10.261S 161.249E 112.2
    4.8 Mid-Indian Ridge 2012-10-19 10:13:54 9.471S 67.067E 9.5
    2.5 8km W of Cobb, California 2012-10-19 09:47:27 38.812N 122.824W 2.8
    2.7 2km ESE of Mammoth Lakes, California 2012-10-19 09:15:40 37.641N 118.944W 7.6
    4.5 8km ENE of Kamaishi, Japan 2012-10-19 09:12:58 39.309N 141.966E 51.2
    3.3 75km NNW of Road Town, British Virgin Islands 2012-10-19 08:30:18 19.066N 64.825W 77.0
    2.5 40km ESE of Cape Yakataga, Alaska 2012-10-19 08:03:03 59.938N 141.755W 1.4
    4.4 106km SSW of Chirilagua, El Salvador 2012-10-19 07:42:28 12.295N 88.407W 35.1
    2.7 8km W of Cobb, California 2012-10-19 07:33:28 38.808N 122.823W 2.5
    4.7 7km SSW of Taupo, New Zealand 2012-10-19 06:42:14 38.745S 176.051E 98.2
    3.7 33km WNW of Cantwell, Alaska 2012-10-19 05:25:18 63.535N 149.538W 106.7
    4.5 188km NE of Ndoi Island, Fiji 2012-10-19 05:08:46 19.334S 177.558W 561.4
    5.0 143km NNE of Rosetta, Egypt 2012-10-19 03:35:12 32.595N 31.006E 15.2
    2.8 25km SSE of Soldotna, Alaska 2012-10-19 03:26:44 60.279N 150.873W 0.0
    2.7 46km ESE of Road Town, British Virgin Islands 2012-10-19 03:09:16 18.223N 64.228W 63.0
    4.0 6km SW of Alberto Oviedo Mota, Mexico 2012-10-19 02:51:56 32.180N 115.210W 10.0
    4.7 112km E of Miyako, Japan 2012-10-19 01:50:10 39.588N 143.259E 42.1
    2.7 21km SW of Little Sitkin Island, Alaska 2012-10-19 01:49:40 51.829N 178.264E 130.0
    4.8 47km SSW of Kokopo, Papua New Guinea 2012-10-19 01:19:44 4.763S 152.137E 88.3
    2.5 9km ENE of Homer, Alaska 2012-10-18 23:22:28 59.663N 151.391W 54.3
    4.8 Balleny Islands region 2012-10-18 21:24:22 62.721S 155.813E 10.0
    2.5 41km W of Valdez, Alaska 2012-10-18 17:38:48 61.168N 147.125W 7.8
    2.5 26km NNE of Talkeetna, Alaska 2012-10-18 17:26:30 62.549N 149.949W 65.5
    4.9 160km SE of Modayag, Indonesia 2012-10-18 16:26:49 0.121S 125.563E 20.0
    2.9 40km W of Whittier, Alaska 2012-10-18 15:50:07 60.587N 149.625W 68.6
    2.6 27km NNE of Luquillo, Puerto Rico 2012-10-18 12:31:39 18.609N 65.649W 77.0
    2.7 5km S of Volcano, Hawaii 2012-10-18 12:14:52 19.377N 155.240W 3.5
    4.5 35km E of Ndoi Island, Fiji 2012-10-18 11:26:42 20.598S 178.360W 545.6
    4.5 Southwest of Sumatra, Indonesia 2012-10-18 09:00:05 6.505S 98.031E 14.9
    4.6 107km E of Santa Cruz das Flores, Portugal 2012-10-18 08:38:34 39.321N 29.875W 10.0
    3.3 140km NNE of Road Town, British Virgin Islands 2012-10-18 07:10:25 19.631N 64.224W 61.0
    4.6 49km W of Santa Cruz, Chile 2012-10-18 05:23:14 34.689S 71.906W 43.0
    3.6 29km NW of Hyannis, Nebraska 2012-10-18 05:21:11 42.217N 101.978W 5.0
    2.9 92km SW of Atka, Alaska 2012-10-18 04:56:45 51.655N 175.225W 37.4
    4.6 Reykjanes Ridge 2012-10-18 04:32:31 53.391N 35.141W 9.7
    5.1 106km ENE of Palue, Indonesia 2012-10-18 04:14:31 8.098S 123.597E 32.7
    2.6 107km W of Cantwell, Alaska 2012-10-18 03:37:04 63.280N 151.086W 5.4
    2.5 5km S of Volcano, Hawaii 2012-10-18 03:10:19 19.383N 155.241W 2.0
    5.0 19km NNW of Jaisinghnagar, India 2012-10-18 02:33:29 23.855N 81.294E 14.8
    5.7 West of Macquarie Island 2012-10-18 01:27:15 54.273S 143.919E 10.2
    4.6 288km SSW of Severo-Kuril'sk, Russia 2012-10-18 00:35:11 48.330N 154.451E 48.2
    3.1 141km N of Road Town, British Virgin Islands 2012-10-17 22:43:02 19.671N 64.358W 34.0
    3.1 27km ESE of Fritz Creek, Alaska 2012-10-17 21:21:35 59.627N 150.866W 32.2
    2.8 54km NE of Arctic Village, Alaska 2012-10-17 20:50:43 68.444N 144.526W 9


    ...
    http://earthquake.usgs.gov/earthquakes/recenteqsww/

    Coi trn bản đồ canh phng động đất trn thgiơ của chnh phủ Mỹ th trong 30 ngy qua khng c động đất no ở Việt Nam, vng đập sng Tranh.

    Vậy l cn bộ đảng cộng sản tham nhũng bn rt r đổ h cho động đất v nguy cơ sụp đập sng Tranh khng cn lu.


  4. #4
    Dac Trung
    Khch
    Quote Originally Posted by Dac Trung View Post
    Vnh đai lửa Thi Bnh Dương l một khu vực hay xảy ra động đất v cc hiện tượng phun tro ni lửa . Đi khi cn được gọi l vnh đai địa chấn Thi Bnh Dương.



    The large series of volcanoes (some active) encircling the Pacific Ocean are referred to as being part of the Ring of Fire, and notorious for frequent earthquakes and volcanic eruptions.

    The Ring of Fire, coinciding with the edges of one of the world's main tectonic plates, (the Pacific Plate) contains over 450 volcanoes and is home to approximately 75% of the world's active volcanoes.

    Nearly 90% of the world's earthquakes occur along the Ring of Fire; most recently, the devasting quakes in Chile, Japan and New Zealand.

    Volcanoes and Earthquakes of note:

    Christchurch Earthquake, New Zealand
    Mount Saint Helens, Washington, USA
    Mount Pinatubo, Philippines
    Mt. Fuji, Japan
    Paricutin Volcano, Mexico
    Santiago Earthquake, Chile
    Sendai Earthquake, Japan

    http://www.worldatlas.com/aatlas/infopage/ringfire.htm

    Ring of Fire, Plate Tectonics, Sea-Floor Spreading, Subduction Zones


    coi trong :

    http://vulcan.wr.usgs.gov/Glossary/P...tectonics.html

    Ring of Fire

    The "Ring of Fire", also called the Circum-Pacific belt, is the zone of earthquakes surrounding the Pacific Ocean- about 90% of the world's earthquakes occur there. The next most seismic region (5-6% of earthquakes) is the Alpide belt (extends from Mediterranean region, eastward through Turkey, Iran, and northern India.



    http://earthquake.usgs.gov/learn/glossary/?termID=150

    Significant tectonic plates on the earth's surface.
    Public Domain from USGS

    The layer of the Earth we live on is broken into a dozen or so rigid slabs (called tectonic plates by geologists) that are moving relative to one another.

    http://pubs.usgs.gov/gip/dynamic/slabs.html

    http://geography.about.com/cs/earthq...ringoffire.htm

    Việt Nam khng nằm trn vng đai động đất v ni lửa Thi Bnh Dương . Khng c ln đứt gy, ni lửa g trn vng ny.



  5. #5
    Dac Trung
    Khch
    Quote Originally Posted by Dac Trung View Post
    Latest Earthquakes in the World

    coi trong :

    http://earthquake.usgs.gov/earthquakes/map/



    http://earthquake.usgs.gov/earthquakes/recenteqsww/

    Coi trn bản đồ canh phng động đất trn thgiơ th trong 30 ngy qua khng c động đất no ở Việt Nam, vng đập sng Tranh.

    Vậy l cn bộ đảng cộng sản tham nhũng bn rt r đổ h cho động đất.


    Để bảo đảm sự khch quan, Dac Trung đưa thm cc trang khc, nhưng ci no cũng cho th l trong 30 ngy qua khng c động đất no ở Việt Nam.

    Incorporated Research Institutions for Seismology

    http://www.iris.edu/seismon/last30.html

    http://www.iris.edu/seismon/

    GEOFON Global Seismic Monitor (Germany)

    http://geofon.gfz-potsdam.de/eqinfo/seismon/globmon.php

    http://geofon.gfz-potsdam.de/eqinfo/list.php

  6. #6

  7. #7
    Dac Trung
    Khch
    How satellites help analyse the Haiti earthquake

    Latest analysis by the UN of the Haiti earthquake shows how satellites can produce detailed data in natural disaster

    http://www.guardian.co.uk/news/datab...-satellite-aid

    http://searchengineland.com/satellit...ing-maps-34270

  8. #8
    Dac Trung
    Khch
    National Geophysical Data Center (NGDC) is to provide long-term scientific data stewardship for the Nation's geophysical data, ensuring quality, integrity, and accessibility.

    NGDC provides stewardship, products, and services for geophysical data from our Sun to Earth and Earth's sea floor and solid earth environment, including Earth observations from space.

    http://www.ngdc.noaa.gov/

  9. #9
    Dac Trung
    Khch
    Ngy nay ngươ ta đo địa chấn khăp nơi trn thgiơ l để dọ thm xem nươc no c thử bom mn hay khng v thử bom loại no.

    Cho nn khng c việc giơ hạn l nươc no chỉ đo địa chấn ở trong nươc đ khng thi .

    V dụ :

    NHẬT BẢN CẢNH GIC SAU KHI C HOẠT ĐỘNG ĐỊA CHẤN Ở BẮC HN

    Tin Tokyo - Nhật Bản cho biết họ đang trong tnh trạng cảnh gic cao, sau khi cơ quan gim st cc vụ thử nguyn tử quốc tế cho biết đ pht hiện ra một sự kiện địa chấn bất thường ở Bắc Hn, cho thấy r rng cc đặc điểm giống như nổ v gợi rằng n xảy ra tại địa điểm tương tự như những vụ thử nguyn tử trước đy của nước ny. Chnh văn phng nội cc Nhật Bản Yoshihide Suga ni với cc phng vin rằng từ những sự kiện trong qu khứ, họ cho rằng hnh hoạt động nguyn tử của Bắc Hn gy ra trận động đất ny.


    Thủ tướng Nhật Bản Shinzo Abe buộc phải cắt ngắn một cuộc họp theo lịch trnh khi tin tức về khả năng thử nguyn tử được truyền đi. Ngay lập tức sau cuộc họp an ninh, ng Abe đ trở lại Quốc Hội v cho biết Nhật Bản sẽ xem xt cc biện php chế ti đối với Bắc Hn. ng Tibot Toth, thư k quản trị Ủy ban soạn thảo Hiệp ước cấm thử nguyn tử ton diện cho biết vị tr của sự kiện địa chấn gần như đồng nhất với cc vụ thử nguyn tử được Bắc Hn thực hiện vo năm 2006 v 2009. Hiệp Ước cấm thử nguyn tử chưa c hiệu lực v khng phải tất cả cc nước sở hữu cng nghệ nguyn tử đ ph chuẩn hiệp ước ny.

    http://www.sbtn.net/D_1-2_2-71_4-699...o-bac-han.html


    HOẠT ĐỘNG ĐỊA CHẤN C THỂ L DO VỤ THỬ NGUYN TỬ CỦA BẮC HN

    Tin Hn Thnh -Hng thng tấn Yonhap của Nam Hn đưa tin Bắc Hn thực hiện vụ thử nguyn tử vo ngy hm nay. Đy l lần thứ 3 kể từ khi Bắc hn thử nguyn tử vo thng 10 năm 2006 v thng 5 năm 2009. Ủy Ban Soạn Thảo Hiệp Ước Cấm Thử Nguyn Tử Ton Diện, một tổ chức gim st thử nguyn tử quốc tế, hm nay cho biết họ đ pht hiện ra một sự kiện địa chấn bất thường tại Bắc Hn, sau nhiều tuần suy đon rằng một vụ thử nguyn tử sắp diễn ra tại nước ny. Trong khi đ, hng thng tấn Yonhap của Nam Hn đưa tin rằng Bắc Hn đ thng bo cho Bắc Kinh v Hoa Thịnh Đốn về kế hoạch thực hiện vụ thử nguyn tử của mnh. Hng Yonhap, trch dẫn lời một quan chức dấu tn của Nam Hn, cho biết cảnh bo đ được gởi tới cả 2 thủ đ vo ngy hm qua.

    http://www.sbtn.net/D_1-2_2-71_4-699...a-bac-han.html

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