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Posts Tagged ‘Adak’

Intense Seismicity Continues Near Tanaga Volcano (US-AK)

Posted by feww on May 10, 2017

G-113E

Strong aftershock occurs near Tanaga Volcano

The aftershock was one of dozens to follow the strong quake that struck the area on June 8. 

Earthquake Details:

M 5.9 [USGS]
51.680°N, 178.383°W [28km SW of Tanaga Volcano, Alaska]
10.0 km depth
2017-05-10 07:59:57 UTC

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Intense Seismicity Occurring Near Tanaga Volcano (US-AK)

Posted by feww on May 9, 2017

G-057k

Magnitude 6.2 earthquake strikes WSW of Tanaga Volcano, Alaska

The strong quake was followed by dozens of aftershocks, but it did NOT generate a destructive tsunami.

Earthquake Details:

M 6.2 [USGS]
51.755°N, 178.636°W [ 37km WSW of Tanaga Volcano, Alaska ]
10.0 km depth
2017-05-08 17:00:47 UTC

  • Seismic analysis and forecast are available from FIRE-EARTH PULSARS.

List of Aftershocks ≥ M4.5:

M4.5
30km SSW of Tanaga Volcano, Alaska; 2017-05-08 23:43:57 (UTC); 38.0 km

M4.5
38km S of Tanaga Volcano, Alaska; 2017-05-08 22:22:28 (UTC); 10.0 km

M4.9
38km SW of Tanaga Volcano, Alaska; 2017-05-08 21:53:08 (UTC); 10.0 km

M4.5
31km SW of Tanaga Volcano, Alaska; 2017-05-08 21:52:45 (UTC); 9.4 km

M4.6
35km SW of Tanaga Volcano, Alaska; 2017-05-08 21:25:22 (UTC); 10.0 km

M4.7
32km SW of Tanaga Volcano, Alaska; 2017-05-08 20:39:50 (UTC); 10.0 km

M4.8
36km SSW of Tanaga Volcano, Alaska; 2017-05-08 20:23:15 (UTC); 29.0 km

M5.0
34km SSW of Tanaga Volcano, Alaska; 2017-05-08 19:53:19 (UTC); 10.0 km

M4.6
39km SW of Tanaga Volcano, Alaska; 2017-05-08 17:39:17 (UTC); 10.0 km

M5.2
32km WSW of Tanaga Volcano, Alaska; 2017-05-08 17:08:33 (UTC); 10.0 km

M6.2
37km WSW of Tanaga Volcano, Alaska; 2017-05-08 17:00:47 (UTC); 10.0 km

M5.9
88km SSW of Adak, Alaska; 2017-05-08 15:47:30 (UTC); 22.8 km

M5.7
94km SSW of Adak, Alaska; 2017-05-08 15:31:26 (UTC); 17.0 km

M4.5
37km SW of Tanaga Volcano, Alaska; 2017-05-03 18:45:12 (UTC); 4.9 km

 

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Significant Quake Strikes SE of Tanaga Volcano, Alaska

Posted by feww on September 5, 2015

Earthquakes continue to rattle Andreanof Islands, Alaska

A magnitude 5.4 earthquake, centered at 51.535°N, 177.700°W, struck at a depth of 36.9km about 49km SE of the 1,006-meter-high Tanaga Volcano in Alaska’s Aleutian Range, reported USGS/EHP.

Earthquake Details [USGS/EHP]

  • M5.4, 49km SE of Tanaga Volcano, Alaska 2015-09-05 08:53:23 UTC 36.2 km
  • M4.6, 93km S of Atka, Alaska 2015-09-05 08:24:35 UTC 36.9 km
  • M4.7, 77km SSW of Atka, Alaska 2015-09-05 07:20:03 UTC 41.7 km
  • M5.1, 77km S of Atka, Alaska 2015-09-05 07:08:49 UTC 30.9 km
  • M5.6, 89km S of Atka, Alaska 2015-09-05 07:00:00 UTC 11.9 km
  • M5.3, 83km S of Atka, Alaska 2015-09-05 06:34:10 UTC 40.9 km
  • M4.5, 105km S of Atka, Alaska 2015-09-05 06:32:59 UTC 23.0 km
  • M5.1, 69km SSW of Atka, Alaska 2015-09-05 06:12:32 UTC 50.1 km
  • M4.7, 91km SSW of Atka, Alaska 2015-09-04 16:52:12 UTC 37.8 km
  • M4.5, 110km SSW of Atka, Alaska 2015-09-04 13:35:37 UTC 46.4 km
  • M4.8, 111km SSW of Atka, Alaska 2015-09-04 12:48:55 UTC 36.3 km
  • M4.9, 81km SW of Atka, Alaska 2015-09-04 12:42:06 UTC 42.1 km
  • M4.8, 98km SW of Atka, Alaska 2015-09-04 12:24:24 UTC 46.4 km
  • M4.8, 105km SSW of Atka, Alaska 2015-09-04 12:15:42 UTC 29.3 km

Related Links

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Significant Aftershocks Continue to Rock Aleutian Islands

Posted by feww on August 31, 2013

8 significant aftershocks strike Aleutian Islands, following M7.0 quake

At least 8 significant aftershocks, measuring 5.0Mw or larger, were among a swarm of dozen quakes that hit Aleutian Islands, Alaska, following a powerful 7.0 mainshock that occurred ESE of Adak, Alaska earlier today.

West Coast and Alaska Tsunami Warning Center said there was no tsunami advisory, watch or warning in effect after the mainshock.

The M7.0 quake struck about 94km (58mi) ESE of Adak, Alaska and was strongly felt in Adak, about 2,000km southwest of Anchorage, according to reports.

There was no report of major damage or injuries, as of posting.

M7 adak alaska
Earthquake location Map. Source: USGS/EHP

Details of Mainshock

  • Event Time: 2013-08-30 16:25:02 UTC
  • Location: 51.610°N 175.361°W depth=33.5km (20.8mi)
  • Nearby Cities
    • 94km (58mi) ESE of Adak, Alaska
    • 1,520km (944mi) SSE of Anadyr’, Russia

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