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The LEO Network is a worldwide network of observers and experts that share their observations of environmental change.
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Earthquake shakes Southcentral on Thanksgiving morning
A magnitude-6 earthquake struck at 8:11 a.m. AKST on Nov. 27, 2025, centered 37 miles northwest of Anchorage at a depth of 43 miles. Shaking was felt across Anchorage, the Matanuska-Susitna Borough, the Kenai Peninsula, and as far as Fairbanks.
Anchorage, Alaska, United States
Alaska Public Media

Earthquake swarm near Tasiilaq
Around Tasiilaq, an overnight quake between Saturday and Sunday reached magnitude 4.8, part of an ongoing swarm with about 400 events recorded since September. GEUS says the area is Greenland’s most seismically active, with several quakes near magnitude 5 in recent months.
Tasiilaq, Sermersooq, Greenland
KNR

Earthquake outside Kiruna: “The whole cabin shook for 15 seconds”
A minor earthquake occurred roughly 20 km north of Kiruna, Sweden, on Monday night, according to the Swedish National Seismic Network (SNSN). Residents in places including Kurravaara and Käyrävuopio reported strong shaking lasting about 15 seconds; authorities say it was not related to the mine.
Kiruna, Norrbotten County, Sweden
NSD (Norrländska Socialdemokraten)

Magnitude 5.0 Earthquake Hits Khuvsgul Aimag
A magnitude 5.0 earthquake struck Tsetserleg soum in Khövsgöl Province, Mongolia, at 5:14 p.m. on October 21, 2025. The epicenter was southeast of Tsetserleg and near the borders of Tsagaan-Uul (Khövsgöl) and Tosontsengel (Zavkhan).
Tsetserleg, Khuvsgul, Mongolia
MONTSAME News Agency

Larger than the largest quakes in the biggest swarm
A magnitude 3.3 earthquake struck near Grjótárvatn on Mýrar this morning, the largest in the Ljósufjöll volcanic system in about three and a half months. Roughly 45 quakes have occurred since last night at 15–20 km depth, and the Icelandic Met Office notes concern would rise if activity shallows.
Mýrar, Vesturland, Iceland
mbl.is

Earthquake near Langjökull: “This is the largest since 2007”
A magnitude 3.3 earthquake struck northeast of Langjökull near Djöflasandur this morning, marking the strongest quake in the area since November 2007.
Langjökull, Iceland
Vísir

Krasheninnikov Volcano Erupts for First Time in 600 Years
Russia’s Krasheninnikov volcano on Kamchatka erupted on August 3, 2025 for the first time in six centuries, following major seismic activity, sending ash up to six kilometers into the sky.
Kamchatka Peninsula, Kamchatka Krai, Russia
Vísir

Large earthquake in Bárðarbunga
A magnitude 5.2 earthquake struck the Bárðarbunga volcano under Vatnajökull about 20 minutes before midnight, and it was felt as far away as Akureyri.
Bárðarbunga, Vatnajökull, Iceland
Morgunblaðið (mbl.is)

Tsunami Alert Lifted After Powerful Quakes Off Russian Coast
A tsunami alert issued after a 7.4-magnitude earthquake off Kamchatka was lifted when no hazardous waves arrived, though aftershocks remain possible.
Petropavlovsk-Kamchatsky, Kamchatka Krai, Russia
The Moscow Times

7.3 magnitude earthquake triggers brief tsunami warning for Southwest Alaska communities
A tsunami warning that was later downgraded was issued for several coastal communities after the earthquake struck south of Sand Point.
Sand Point, Alaska, United States
Anchorage Daily News

Large earthquake measured in northern Greenland
A magnitude-5.8 earthquake struck northern Greenland on July 15, 2025, and was recorded by 118 stations globally, including more than 10,000 km away in Brazil.
Northern Greenland, Greenland
Sermitsiaq

Tsunami warning after magnitude 6 earthquake strikes off Crete coast in Greece
Crete, Greece earthquake today: Tsunami warning after magnitude 6 earthquake hits coast
Crete, Greece
The Independent

Fresh 3.1 Magnitude Tremor Recorded in Ljósufjöll Volcanic System
This event follows a series of deep earthquakes, the last comparable one occurring on April 23, and while no eruption has taken place in nearly a millennium, experts warn these movements could signal deeper volcanic processes.
Mýrar, West Iceland, Iceland
Iceland Review

Magnitude 5.1 King Salmon Earthquake
The Alaska Earthquake Center reports a recent magnitude 5.1 earthquake south of King Salmon, highlighting seismic activity along a poorly understood fault.
King Salmon, Alaska, United States
Kodiak Daily Mirror

Earthquake Swarm Near Adak Includes Magnitude 6.2 Tremor
A magnitude 6.2 earthquake struck southeast of Adak early Friday, part of a continuing swarm with several quakes measuring 4.0 or higher since Wednesday.
Adak, Alaska, United States
KTUU

Two Earthquakes Occur Near the Chukotkan Village of Lavrentiya
On Wednesday, February 12, two earthquakes occurred off the coast of Chukotka, with the village of Lavrentiya being closest to the epicenter, although residents did not feel the tremors.
Lavrentiya, Chukotka Autonomous Okrug, Russia
prochukotku.ru

Earthquake shakes Southcentral Alaska
Residents from Anchorage to Peters Creek felt a 4.3 magnitude earthquake that struck west of Anchorage, with its epicenter about 29 miles away, although no damage or injuries have been reported.
Anchorage, Alaska, United States
KTUU

Earthquake South of Diomede, No Injuries Reported
A magnitude 5.0 earthquake struck about 20 miles south of Little Diomede on February 3, 2025, with residents in the region feeling the tremor but reporting no injuries. Seismic events along the Bering microplate have happened before, although they’re not common. The largest on record was a magnitude 7.3 earthquake near Huslia in 1958.
Little Diomede, Alaska, United States
KNOM Radio Mission

Rare upper Kuskokwim quake makes waves across region
A rare magnitude 5.2 earthquake struck the upper Kuskokwim region on January 29, 2025, startling residents in communities like McGrath and Kalskag, though no significant damage was reported.
McGrath, Alaska, United States
KYUK

From earthquakes, road construction, collisions and sonic booms Lynn Canal residents weigh in on Monday's jolt
Residents along the Lynn Canal experienced a jolting event on Monday afternoon that was later confirmed to be a magnitude 3 earthquake, which initially went undetected by seismic systems due to its location on the edge of the network.
Haines, Alaska, United States
Chilkat Valley News

Unalaska jostled by magnitude 5.6 earthquake, scientists say no cause for alarm
A magnitude 5.6 earthquake struck southwest of Unalaska, impacting locals in Nikolski and Akutan, but poses no tsunami threat or concern for further seismic activity.
Unalaska, Aleutians West Census Area, Alaska, United States
KUCB

Mount Spurr and volcano earthquakes
Increased seismic activity has been recorded at Mount Spurr Volcano in Alaska, prompting the Alaska Volcano Observatory to raise its alert level. This activity includes low-magnitude, shallow earthquakes near the summit.
Mount Spurr, Alaska, United States
Kodiak Daily Mirror

Earthquake in Western Norway: "It was quite scary"
A magnitude 4.3 earthquake offshore Western Norway caused noticeable tremors, with Norsar warning of possible aftershocks, marking a slightly larger event than typically felt in the region.
Western Norway, Norway
NRK

Strongest earthquake in Helsinki's history recorded on Christmas Day
Helsinki experienced its strongest recorded earthquake on Christmas Day, with a magnitude of 1.1. Though minor, it startled many residents, who reported a loud bang in the Käpylä area.
Helsinki, Uusimaa, Finland
Yle News

Earthquake swarm in western Aleutians
An earthquake swarm was detected on Sunday in the western Aleutians, beginning with a 6.3 magnitude quake near Bobrof Island, followed by more tremors including magnitudes of 6.3 and 6.1.
Bobrof Island, Aleutians, Alaska, United States
Alaska's News Source

'Swarm of earthquakes' rattle off B.C.'s coast, no tsunami expected
A series of earthquakes struck off the coast of Vancouver Island, with no tsunami threat reported. Andrew Schaeffer, an earthquake seismologist with the Geological Survey of Canada, said last week that despite the uptick in seismic activity, the quakes were "business as usual" for the region.
Vancouver Island, British Columbia, Canada
British Columbia

Four earthquakes off Iceland's northern coast
We've become very used to seismic activity in Iceland's southwest corner, but last night, four earthquakes above magnitude three hit a very different area - the Kolbeinsey ridge, far off the country's northern coast.
Iceland
RÚV

Strong 7.2 earthquake strikes off Hualien
A magnitude 7.2 earthquake, the largest in 25 years, struck off the coast of Hualien, Taiwan, causing nine deaths, hundreds of injuries, and significant structural damage.
Hualien City, Taiwan, Taiwan

Powerful earthquakes leave at least 55 dead, destroy buildings along Japan's western coast
Damage was so great that it could not immediately be assessed. Japanese media reports said tens of thousands of homes were destroyed.
輪島市, Ishikawa, Japan
AP News

18 quakes over 3.0 since midnight - the largest 5.0
Despite the very strong activity, widely felt throughout Reykjanes Peninsula as well as the capital area and beyond, there remains no sign of any volcanic eruption.
Reykjavík, Capital Region, Iceland
RÚV

Tsunami warning canceled following strong earthquake off Alaska Peninsula
The magnitude 7.2 earthquake initially triggered sirens and evacuations in communities including Sand Point and Kodiak.
Sand Point, Alaska, United States
Alaska Public Media

Volcano eruption in Russia's Kamchatka spews vast ash clouds
A volcano has erupted on Russia’s far eastern Kamchatka Peninsula. The eruption early Tuesday of Shiveluch, one of Kamchatka’s most active volcanoes, spewed clouds of dust 20 kilometers (65,600 feet) into the sky.
Shiveluch, Kamchatka, Russia
AP NEWS

Glacial Outburst Flood Will Likely Peak on Sunday
The glacial outburst flood, or jökulhlaup, which started when the ice sheet in the Grímsvötn volcano beneath Vatnajökull glacier began to melt 11 days ago, is predicted to reach its peak on Sunday. At time of writing, the Icelandic Road and Coastal Administration does not believe that the runoff will affect traffic on Route 1 […]
Iceland Review

Earthquake at Bárðarbunga Caldera
Saturday’s incident is notable as Bárðarbunga, a stratovolcano located underneath Iceland’s largest glacier, Vatnajökull, is the second largest volcano on the island. Geophysicist Páll Einarsson told reporters, however, that the powerful earthquakes underneath the volcano this summer were likely due to land rise and that an eruption did not appear to be imminent.
Iceland Review

Earthquake rattles Santa Claus Village
A minor earthquake, described by one resident as "a proper jerk", shook Rovaniemi. Dozens of earthquakes are observed in Finland every year. Typically, however, they are relatively weak, with a magnitude of less than 4.
Rovaniemi, Lapland, Finland
News

Earthquake Swarm Intensifies on Reykjanes Peninsula
A magnitude 3.7 earthquake was felt across Southwest Iceland, in the Reykjavík capital area, and as far as Borgarnes, West Iceland just before 2:00 AM this morning. Its point of origin was on the Reykjanes peninsula in Southwest Iceland, between Keilir and Litli-Hrútur mountains. The quake is part of an ongoing earthquake swarm on the […]
Reykjavík, Capital Region, Iceland

Tsunami warning canceled after 8.2 offshore earthquake sent people in many Alaska coastal communities to higher ground
The Tsunami Warning Center recorded waves of less than 1 foot above normal as a result of the earthquake.
Chignik, Alaska, United States
Anchorage Daily News

Reykjanes Earthquake Swarm: Tremor Pulse Detected South Of Keilir
A tremor pulse was detected at 2.20 PM and is measured at most seismic stations in Iceland, the Icelandic Meteorological Office reports. The pulse is located south of Keilir by Litli Hrútur and comes at the heels of a period of seismic unrest in the Reykjanes Peninsula. Similar signals have been observed leading up to […]
Hafnarfjörður, Capital Region, Iceland

153 people injured in quake, most in Fukushima and Miyagi
Most of the major damage from the magnitude-7.3 quake that occurred at 11:07 p.m. on Feb. 13 off the coast of Fukushima Prefecture was concentrated in Fukushima and neighboring Miyagi prefectures. The number of people injured by a powerful earthquake in northeastern Japan two days earlier rose to 153, but no deaths were reported as of Feb. 15.
Fukushima, Fukushima, Japan
The Asahi Shimbun

Tsunami warning issued following 7.4 magnitude earthquake off Alaska Peninsula
A tsunami warning was issued for areas along the Alaska Peninsula coastline following the 7.4 earthquake, which was centered 62 miles from Sand Point.
In this post, you can find links to the US Tsunami Warning Centers, as well as information on creating home emergency kits during COVID.
We hope everyone stays safe as this event unfolds, and welcome observations of conditions along the Alaska Peninsula.
Sand Point, Alaska, United States
Anchorage Daily News

7.8 Magnitude Earthquake Shakes King Cove
"I got under my kitchen table and it was very violent and loud and lasted quite a while. The tsunami sirens started right after it stopped."
King Cove, Alaska, United States

Tsunami warning canceled for swath of coastal Alaska after 7.8 earthquake prompts evacuations
People in Kodiak, Homer and Sand Point were among those who headed to higher ground after the quake prompted a tsunami warning from the Alaska Peninsula to the western Kenai Peninsula.
Chignik, Alaska, United States

Homer residents briefly evacuate after quake, tsunami warning
Coastal Alaskans were roused out of bed last night following a 7.8 magnitude earthquake and subsequent tsunami warning. The warning was canceled within a matter of hours.
Homer, Alaska, United States
Homer News

Earthquake Swarm Near Þorbjörn
Numerous earthquakes were recorded just west of the volcano Þorbjörn, near the village of Grindavík in South Iceland on Thursday, RÚV reports. An earthquake measuring 3.3 was recorded just before 5pm on Thursday and was followed by another measuring 3.2. Both quakes originated not far from the volcano Þorbjörn, which experienced another earthquake measuring 5.2 …
Reykjanesbær, Southern Peninsula, Iceland

500 earthquakes recorded in northeast
An earthquake swarm that started on Saturday night just off the coast in the Öxarfjörður area of northeast Iceland is still going strong. Some 500 quakes have now been registered, including 60 over magnitude 2.0. The epicentre of most of them is around 30 kilometres west-north-west of Kópasker.
Öxarfjörður Area
RÚV

Large earthquake strikes in remote part of northwest Alaska
The Arctic Sounder - Serving the Northwest Arctic and the North Slope
Shungnak, Alaska, United States
The Arctic Sounder
Alaska Media, LLC., Steve Keller designer and application developer

Botulism cases reported in Nome
Public health officials confirmed that four Nome residents had been hospitalized in early January with preliminary results pointing to poising from foodborne type E botulism from an aged beluga flipper.
Nome, Alaska, United States
The Nome Nugget

Driver badly hurt when falling rock hits car on Seward Highway
Authorities warned that drivers should use caution in the area due to the potential for additional rockslides.

Earthquake effects linger in problems with water wells
From Eagle River to Wasilla, people on private wells are contending with cloudy water -- and worse.
Eagle River, Alaska, United States

7.0 earthquake, aftershocks strike Southcentral Alaska; damage reported across region
Seismologists called the quake the most significant in the state’s largest city since 1964, in terms of how strong the ground itself shook.
Anchorage, Alaska, United States

Earthquake creates massive sinkhole on Anchorage roadway
At least one car was on the ramp at the time of the quake, a photo of which circulated on social media Friday morning.
KTVA

Two rare earthquakes shake western Alaska coast
Two quakes shook the coast of the Yukon-Kuskokwim Delta Tuesday night about 45 miles offshore of the community of Hooper Bay.
Hooper Bay, Alaska, United States

Natural catastrophe in Greenland caused by tsunami
The town of Nuugaatsiaq on Greenland's west coast was hit by a tsunami on Sunday devastating the town and the people living there. The people were evacuated by helicopters.
Nuugaatsiaq, Qaasuitsup, Greenland
IceNews

Shiveluch Volcano Erupts in Eastern Russia
The Shiveluch volcano in Russia's Far Eastern Kamchatka region has erupted, spewing ash some 13km above sea level.Officials from the region's Emergency Situations Ministry have confirmed that the ash is not expected to land on nearby settlements, Meanwhile a "red warning" has been issued to passing planes, urging them to avoid the site.The Shiveluch volcano is extimated to be between 60,000 and 70,000 years old.
Shiveluch Volcano, Kamchatka, Russia
The Moscow Times

Sinking Islands and Lost Harvest and Hunger
Climate change is effecting the people of the Solomon Islands in many ways. Sea level rise is a major driver.

Powerful Quake and Tsunami Devastate Northern Japan
Japan was filled with scenes of desperation a day after an 8.9-magnitude quake, as survivors called for help and rescuers looked for people buried in rubble.
Sendai, Miyagi, Japan
The New York Times

Earthquake swarm signals unrest at volcano in Alaska’s western Aleutian Islands
It’s not clear whether the unrest will lead to an eruption at Tanaga Volcano, which is located on an uninhabited island about 65 miles from Adak.
King Cove, Alaska, United States

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