Articles tagged "aleutian islands"

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Shallow M6.5 earthquake, strong aftershocks hit Rat Islands, Aleutian Islands, Alaska

A strong and shallow earthquake registered by the USGS as M6.5 hit Rat Island, Aleutian Islands, Alaska at 21:35 UTC on April 2, 2019. The agency is reporting a depth of 19.1 km (11.8 miles). EMSC is reporting M6.5 at a depth of 10 km (6.2 miles). The quake was...

April 03, 2019

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Shallow M6.1 earthquake hits near Tanaga Volcano, Alaska

A strong and shallow earthquake registered by the USGS as M6.1 hit near Tanaga Volcano, Alaska at 18:47 UTC on January 5, 2019. The agency is reporting a depth of 19.1 km (11.8 miles). EMSC is reporting M6.1 at a depth of 40 km (24.8 miles). The epicenter was...

January 05, 2019

aleutian trench Komandorskiye ostrova earthquake tsunami july 17 2017

Major M7.7 earthquake hits Aleutian Trench, tsunami advisories issued

A major earthquake registered by the USGS as M7.7 hit near Komandorskiye Ostrova, Russia at 23:34 UTC on July 17, 2017. The agency is reporting a shallow depth of 11 km (6.8 miles.) This is the 4th earthquake in this area since M6.2 at 11:05 UTC today. It was...

July 18, 2017

near islands earthquake june 2 2017

Very strong and shallow M6.9 earthquake hits Near Islands, tsunami not expected

A very strong and shallow earthquake registered by the USGS as M6.9 hit off Near Islands, Alaska at 22:24 UTC (14:24 AKDT) on June 2, 2017. The agency is reporting a depth of 4.3 km (2.7 miles). GFZ Potsdam is reporting M6.5 at a depth of 10 km (6.2 miles)....

June 02, 2017

alaska earthquake march 27 2017

Shallow M6.1 earthquake hits Aleutian Islands, Alaska

A strong and shallow earthquake registered by the USGS as M6.1 hit Near Islands, Aleutian Islands at 10:50 UTC on March 27, 2017. The agency is reporting a depth of 10 km (6.2 miles). The epicenter is located 66 km (41 miles) W of Navy Town (population 0), Alaska...

March 27, 2017


The probability of mega-earthquake in the Aleutian Islands and its impacts on Hawai'i

In a new study, the scientists from the University of Hawai'i at Mãnoa (UHM) have calculated a 9% chance that an M9.0+ earthquake will occur in the Aleutian Islands over the next 50 years. An event of such force would affect over 300 000 people and be...

May 13, 2016


Dangerous conditions develop over the Aleutian Islands and the Gulf of Alaska

A storm force low pressure system formed in the Bering Sea on November 8, 2015. The strength of the low brought up the sea surface for almost 9.14 meters (30 feet) as its central pressure was estimated at 958 hPa, according to the National Weather Service (NWS). The...

November 11, 2015

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Shallow M6.2 earthquake registered near Atka, Aleutian Islands

A shallow earthquake registered by USGS as M6.2 hit near Atka, Aleutian Islands, Alaska at 16:03 UTC on November 9, 2015. The agency is reporting depth of 10 km (6.2 miles). According to the USGS, epicenter was located 93 km (58 miles) ESE of Atka, Alaska and 1 548...

November 09, 2015

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Massive M7.9 earthquake struck Aleutian Islands, Alaska - tsunami warnings issued

A massive M7.9 earthquake (downgraded from M8.0) struck Aleutian Islands, Alaska on June 23, 2014, at 20:53 UTC. USGS is reporting depth of 107.5 km (66.8 miles). EMSC is reporting M7.9 at depth of 100 km.Epicenter was located 24 km (15 miles) S

June 23, 2014

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M 6.1 earthquake struck Fox Islands, Alaska

Magnitude 6.1 earthquake hit Fox Islands, Aleutian Islands, Alaska on February 26, 2014 at 21:13:40 UTC. The epicenter was located 138 km (85 mi) NNW of Amukta Island, Alaska at coordinates 53.679N 171.837W. The epicenter was at depth of 264 km (164.5

February 27, 2014


Increased surface temperature and steam emissions observed at Shishaldin volcano, Aleutian Islands

The Alaska Volcano Observatory reported on January 30 that it raised the Aviation Color Code to YELLOW and the Alert Level to ADVISORY at Shishaldin Volcano. The decision was based on satellite observations of increased surface temperatures in the summit

January 31, 2014


Strong earthquakes hit Andreanof Islands region, Alaska

Earthquake sequence that started with M 7.0 on August 30 at 16:25 UTC generated 44 M1+ earthquakes until 07:00 UTC on August 31, according to USGS. In that timeframe, USGS reported 30 M2.5+ earthquakes and 13 M4.5+, with strongest being M6.1 at 06:38 UTC and M5.5 at...

August 31, 2013


New activity with ash emissions and lava fountaining at Pavlof volcano, Alaska

Current eruptive episode at Pavlof volcano, Alaska began on May 13, 2013 with ash emissions continuing through May 28, 2013 at which time the volcano remain calm. Activity renewed on June 4, 2013. Such pauses are common during eruptive episodes of Pavlof, which

June 09, 2013


Ash, gas and steam emissions continue at Pavlof volcano, Alaska

Alaska Volcano Observatory (AVO) reports that seismic tremor, intense elevated surface temperatures, and ash, gas and steam emissions continue at Pavlof volcano. A low-level plume of steam, ash, and gas, occasionally reaching up to 20,000 ft (6 km) above sea

May 21, 2013


New activity at Mt. Cleveland volcano on Aleutian Islands

Alaska Volcano Observatory (AVO) infrasound detected 2-3 possible explosion at Cleveland Volcano early on May 4, 2013. The infrasound signals suggest that this was a relatively short duration, low-level explosion. A small, low-altitude ash cloud along with high

May 04, 2013


Cleveland volcano in Aleutian Islands woke up - A new dome has formed in the summit crater

Elevated surface temperatures were detected in satellite images of Cleveland volcano over the last 24 hours. The aviation color code and volcano alert level were changed to ORANGE/WATCH based on evidence that a new dome has formed in the summit crater of Cleveland. The

February 07, 2013


Swarm of earthquakes raised alert for dormant Little Sitkin volcano at Aleutian Islands

A series of small earthquakes near a long-dormant volcanic peak in Alaska’s Aleutian Islands has prompted researchers to raise the alert level for the Little Sitkin volcano. Swarm of high-frequency earthquakes began on night of August 29 night at approximately

September 01, 2012


Magnitude 6.2 earthquake hit Fox Islands, Aleutian Island, Alaska

A very strong and shallow M6.2 earthquake occurred near the Fox Islands (Aleutian Islands), Alaska on August 10, 2012 at 18:37 UTC according to USGS. The epicenter is located 90 km ESE from Nikoloski, the nearest island (52.691°N, 167.484°W). The epicenter of the

August 10, 2012


Cleveland volcano in Alaska showing signs of eruption

Alaska's Mount Cleveland has been reportedly oozing lava, presaging a possible eruption. Satellite images showed a 165 meter (541 feet) in diameter lava dome in the summit crater on September 20, which increased from 150 meters (490 feet) as of September 9,...

September 23, 2011

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7.2 magnitude earthquake strikes Fox Islands near Alaska

A magnitude 7.4 (later downgraded to a 7.2) earthquake in the northern Pacific Ocean has triggered a tsunami warning along Alaska’s Aleutian Islands. A tsunami alert was immediately issued for California and the rest of the West Coast and was later canceled when

June 24, 2011