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Major mag. 7.9 earthquake - 292km SE of Kodiak, Alaska on Tuesday, 23 January 2018 - information

The earthquake was caused by strike slip faulting within the shallow lithosphere of the Pacific plate, which in this area is converging with the North America plate at a rate of approximately 59 mm/yr towards the north-northwest.
According to USGS the quake was a result of faulting that occurred on a steeply dipping fault striking either west-southwest (left lateral) or north-northwest (right lateral).
A tsunami warning is in place for the Pacific coasts and islands. Please visit www.tsunami.gov for current updates and alerts.

Major mag. 7.9 earthquake - 292km SE of Kodiak, Alaska on Tuesday, 23 January 2018

Major mag. 7.9 earthquake  - 292km SE of Kodiak, Alaska on Tuesday, 23 January 2018
Date & time: Tuesday, 23 January 2018 09:31 UTC
Magnitude: 7.9
Depth: 25.0 km
Epicenter latitude / longitude: 55.9097°N / 149.0521°W (États-Unis)
Nearest volcano: Fourpeaked (422 km)
Primary data source: USGS
Estimated released energy: 4.5*10^16 J (12408 GWh / 1.1*10^7 tons of TNT / 667.2 atomic bombs equivalent) [learn more]
If you felt this quake (or if you were near the epicenter), please share your experience with us and submit a short "I felt it" report.
You can use your GPS or device location as well to show where you were during the earthquake.
- Merci!.

Data for same earthquake as reported from other agencies
HeureMag. / DepthLocationSource

shake map
(shakemap: USGS)
"I felt it" reports:
Brick, NJ / not felt
Kodiak (293.4 km NW from epicenter) [Map] / MMI V (Moderate shaking): Seemed to shake for a long time.
Kodiak / MMI VI (Strong shaking)
Homer (442.2 km NNW from epicenter) [Map] / MMI IV (Light shaking) (via app)
(889.5 km ENE from epicenter) [Map] / MMI III (Weak shaking) (via app)
Soldotna (524.7 km NNW from epicenter) [Map] / MMI V (Moderate shaking) (via app)
Saint Helens OR (2135.3 km ESE from epicenter) [Map] / MMI III (Weak shaking): Sounded like a low pitched rumble. (via app)
eernegem / MMI IX (Violent shaking)
Eagle River (595 km N from epicenter) [Map] / MMI III (Weak shaking) (via app)
Anchorage (592.3 km N from epicenter) [Map] / MMI IV (Light shaking) (via app)
Anchorage / MMI V (Moderate shaking): 12:35 am, 1-23-18. Slow rolling for about 25 seconds. No house damage, nothing falling and/or breaking.
(4962.4 km E from epicenter) [Map] / not felt (via app)
(489 km NNW from epicenter) [Map] / MMI V (Moderate shaking): Woke us up..things swaying, pictures crooked a little. (via app)
Williamsville, NY 14221 / MMI IV (Light shaking): I do not know for sure this earthquake is what I felt. About 4:30-4:50 am est I was awoken by my outside facing bedroom wall shaking in my hands, as I sleep with my hands above my head on the wall and a low rumbling noise. I could feel the wall moving in my hands and hear a low rumbling noise and creaking for about 10 seconds. I thought we were having an earthquake. Not sure if aftershocks were this far out though.
Wasilla alaska (628.2 km N from epicenter) [Map] / MMI IV (Light shaking): Felt like a deep one , went on for a long time. (via app)
Fairbanks (995.2 km N from epicenter) [Map] / MMI IV (Light shaking) (via app)
Kenai (533.4 km NNW from epicenter) [Map] / MMI IV (Light shaking): Swaying. S wave earthquake. Please stop down grading the earthquakes! We deserve to know the facts! (via app)
Kenai (533.5 km NNW from epicenter) [Map] / MMI IV (Light shaking): Swaying. S wave earthquake (via app)
Anchorage, Ak (588.3 km N from epicenter) [Map] / MMI V (Moderate shaking): No damage. Just very noticeable movement. (via app)
Las Vegas / not felt
Soldotna,Alaska / MMI V (Moderate shaking): Hubby dogs and I awoke to house shaking it lasted a while slow and steady wasn't to strong here in soldotna
Anchorage, Alaska / MMI IV (Light shaking): Woke up to light shaking that kept going, increased slightly so held small dog, earthquake kept going so I got up to go to daughter's room at other side of home, by then it stopped at approximately 12:35am
Anchorage / MMI VI (Strong shaking)
Anchorage, AK (597.7 km N from epicenter) [Map] / MMI VI (Strong shaking): Strong shaking felt through entire house. Beds, tv's, chandelier shook noticeably.
Anchorage /Mountainview / MMI VII (Very strong shaking)
Primrose, AK / MMI IV (Light shaking): Woke me up, at 1st sounded like a big truck coming down the road! House creaked and shook. Felt it in the floor, bottles rattled. Felt like it was building and then it suddenly stopped.
Anchorage (636.6 km N from epicenter) [Map] / MMI IV (Light shaking): Long quake. Rolling.
SEWARD nautical ave. 5 miles from town (473 km N from epicenter) [Map] / MMI V (Moderate shaking): Lasted3 min. Sounded like a train,loud. (via app)
SEWARD nautical ave. 5 miles from town (473 km N from epicenter) [Map] / MMI V (Moderate shaking): Lasted3 min. Sounded like a train,loud. (via app)
Womans Bay, AK / MMI VI (Strong shaking): Strong shaking lasting over a min.
Eagle River (604.9 km N from epicenter) [Map] / MMI IV (Light shaking): Was not very long. Only lasted about ten to fifteen seconds. It was a pretty fun break from homework though. :)
Anchorage (613.5 km N from epicenter) [Map] / MMI V (Moderate shaking): Went on for about 2 minutes, seemed deep
(538.6 km NNW from epicenter) [Map] / MMI VII (Very strong shaking): Woke me up and shook for awhile (via app)
Ninilchik Alaska (506.5 km NNW from epicenter) [Map] / MMI VII (Very strong shaking) (via app)
Anchorage / MMI VI (Strong shaking): Woke me from sleep and it shook the house for bout 2 minutes solid. It was a good quake here in anchorage. I feel bad for those in Kodiak.
Anchorage / MMI V (Moderate shaking)
2814 Will Rogers Pl, Anchorage Alaska 99517 (586.8 km N from epicenter) [Map] / MMI IV (Light shaking): Light Shaking for a few minutes. It lasted longer then I expected it to. It Got our attention. Scared my Wife. Hope Kodiak is ok
Kodiak downtown (312.2 km NW from epicenter) [Map] / MMI V (Moderate shaking): It lasted a long time, I was in bed and at first it was small but then got bigger. After a while the sirens went off and lasted about 10 minutes, so I think there may be damage here in town.
99503 / MMI IV (Light shaking)
Eagle river / MMI V (Moderate shaking): It seemed longer than most I have felt.
Anchorage / MMI IV (Light shaking)
Wasilla (632.3 km N from epicenter) [Map] / MMI V (Moderate shaking): Started small and gradually increased. Kept going for a while before beginning to lessen. House was shaking and things were rattling. Felt it for a full minute.
anchorage, Alaska / MMI V (Moderate shaking): Intensity increased and sustained for longer than any other I have experienced in Anchorage since my arrival in 1976
Moose Pass / MMI V (Moderate shaking)
North Nenana, AK / MMI V (Moderate shaking): Shaking so much that we were getting ready to move outside to shelter if the 'quake continued, but just as we stood up to start doing that, the shaking began to diminish. We probably felt shaking for 20-30 seconds, from the first moment until it wad completely gone. Of that, maybe 10 seconds of it was moderate.
Meadow lakes / MMI IV (Light shaking): About 40 seconds long
Anchorage / MMI III (Weak shaking): slight shaking then a bit more. enough to notice what was happening
Palmer, Alaska / MMI IV (Light shaking)
(521.6 km NNW from epicenter) [Map] / MMI IV (Light shaking) (via app)
Soldotna, AK / MMI IV (Light shaking): Never been in earthquake before. Thought someone upstairs was having a bad night then I realized the lodge was shaking
Gustavus / MMI IV (Light shaking)
Whitehorse Yukon / MMI IV (Light shaking)
anchorage, ak / MMI V (Moderate shaking)
Anchorage Alaska / MMI IV (Light shaking)
Soldotna / MMI V (Moderate shaking): Lasted for a long time it seemed like to me. Both my wife and I woke up, our infant son slept through it however. A couple pictures fell off the wall.
Juneau / MMI III (Weak shaking)
anchorage / MMI V (Moderate shaking)
Kenai / MMI V (Moderate shaking): Just beginning to fall asleep, at first I thought a cat jumped up on the bed. And then the shaking became more intense and lasted a couple minutes… Pictures, curtains were moving
Hesperia , Ca (3393.8 km ESE from epicenter) [Map] / MMI III (Weak shaking)
4040 lore road, Anchorage, alaska / MMI V (Moderate shaking): It felt like it was a ciculer shake.
Anchorage / MMI IV (Light shaking): The longest tremor that I’ve experienced since 1964.Woke me up
Anchorage, AK / MMI V (Moderate shaking)
ANCHORAGE / MMI IV (Light shaking)
Jber / MMI IV (Light shaking)
Primrose, AK / MMI IV (Light shaking): Woke me up, Nothing major but could tell it was significant because of how long it lasted!
Anchorage / MMI IV (Light shaking)
Eagle River (601.2 km N from epicenter) [Map] / MMI IV (Light shaking): Reminiscent of the many aftershocks from the Great Tohoku Earthquake of March 2011. Firm shaking that just didn't stop. This quake went on for about 2 minutes. This one waxed and waned, and woke up 2 of four sleeping family members.
Wasilla (633.8 km N from epicenter) [Map] / MMI III (Weak shaking) (via app)
Soldotna, AK (524.3 km NNW from epicenter) [Map] / MMI V (Moderate shaking)
Midtown anchorage / MMI V (Moderate shaking): Woke up my dad and I, visibly shook a heavy mirror and my bed. felt a few minor earthquakes since ( very light)
Port Heiden, AK / MMI III (Weak shaking): Bed shaking and movement side to side, door swaying side to side
Upper Huffman Rd - 99516 / MMI V (Moderate shaking): House shaking woke me. Sounded like a strong wind. Lasted about 45-60 seconds then stopped.
Anchorage / MMI IV (Light shaking)
Anchorage (576.8 km N from epicenter) [Map] / MMI III (Weak shaking)
9838 E Chichagof L Eagle River / MMI V (Moderate shaking)
9838 E Chichagof L Eagle River / MMI V (Moderate shaking)
Anchorage / MMI IV (Light shaking)
Anchorage (593 km N from epicenter) [Map] / MMI III (Weak shaking) (via app)
Eagle river / MMI V (Moderate shaking): Light shaking with a larger jolt toward the end. Quite the long shake
Wasilla, Alaska (633.1 km N from epicenter) [Map] / MMI V (Moderate shaking)
Anchorage / MMI IV (Light shaking)
Kenai / MMI IV (Light shaking)
Anchorage (581.7 km N from epicenter) [Map] / MMI IV (Light shaking)
31070 Sterling highway anchor point / MMI IV (Light shaking): The house was raising up down like a wave for about 60 seconds continious every thing in the house was moving ,hanging plants swinging .
Sol / MMI VI (Strong shaking)
Clarkston, WA (2440.3 km ESE from epicenter) [Map] / MMI II (Very weak shaking): I was quietly laying all the way back in my recliner, playing with my cell phone. It felt like a slight shake of my recliner and heard a sound like a mouse scratching at the boards inside my recliner.
99517 / MMI V (Moderate shaking)
Wasilla / MMI IV (Light shaking)
Kodiak / MMI V (Moderate shaking)
kasilof (502 km NNW from epicenter) [Map] / MMI V (Moderate shaking) (via app)
Wasilla / MMI V (Moderate shaking)
Anchorage / MMI V (Moderate shaking): Woke both my dogs and myself up. Both pups came and jumped into bed with me because they were afraid. Closet doors were shaking and making loud noises and my plants were swinging from the ceiling. Lasted roughly a minute from start to finish.
Juneau Alaska / MMI IV (Light shaking): Felt at 11:49 PM on January 23 2018.
Anchorage (United States) (580 km NW from epicenter)(no details): Nothing fell but we did rock a lot and it was long (via EMSC)
Anchorage (United States) (573 km NW from epicenter)(no details): Awakened me, but then I've lived in AK along time and have experienced many quakes. I don't get excited by temblors. (via EMSC)
Anchorage (United States) (569 km NW from epicenter)(no details): What a way to wake up! (via EMSC)
Homer (United States) (429 km NW from epicenter)(no details): More of a duration event than an intensity event. Probably lasted 45 seconds for the portion I was awakened (via EMSC)
Nikolski (United States of America) (1324 km W from epicenter)(no details): Long long slow ...shook home .....? Tzunami alert (via EMSC)
Ninilchik (United States of America) (478 km NW from epicenter)(no details): Very rumbling and feel it but then it hits felt very bad jolting 6ft. Windows rattling and it's tri-level house and all was moving. Even the stairs and out side decking around the house Windows which are 6ft tall were rattling which woke the kids up a few things fell from cupbard . (via EMSC)
Anchorage (United States) (586 km NW from epicenter)(no details): The trembling lasted about 2minutes indicating it was strong but distant. (via EMSC)
Anchorage (United States) (586 km NW from epicenter)(no details): First Time I have felt and Earthquake In our Basement..This Home survived the 64 Quake..on sound bedrock ..The home did not have a Basment then..God Bless All.. (via EMSC)
Anchorage (United States) (586 km NW from epicenter)(no details): Woke up from a deep sleep and thought I was dreaming that the bed was floating - saw another comment from someone that it was rolling and felt like waves; apparently my dream sleep recognized that too (via EMSC)
Anchorage (United States of America) (578 km NW from epicenter)(no details): Felt steady sway for several seconds. (via EMSC)
Washougal (United States) (2189 km SE from epicenter)(no details): Very thankful I have a weather alert radio. (via EMSC)
Whitehorse (Canada) (972 km NE from epicenter)(no details): I thought Hans was getting out of bed because the log cabin was creaking. Then I felt really bleary headed - I thought it was tiredness making the room seem like it was moving. It lasted a few more seconds though, so I figured out it was an earthquake. Pretty minor, but definite. (via EMSC)
Willow (United States of America) (645 km NW from epicenter)(no details): Long slow event. Very long... (via EMSC)
Palmer (United States) (626 km NW from epicenter)(no details): The building shook & jerked for about 15-20 seconds, noticeably increasing in intensity in the middle of the time frame indicated. (via EMSC)
Palmer (United States) (626 km NW from epicenter)(no details): lasted about a moment and a half and was intense enough to shake basement (via EMSC)
Wasilla (United States) (624 km NW from epicenter)(no details): Very mild and very quiet. Must have been far from Wasilla (via EMSC)
Wasilla (United States) (624 km NW from epicenter)(no details): It wasn't that strong but lasted quite a bit of time (via EMSC)
Wasilla (United States) (624 km NW from epicenter)(no details): Very mild shaking... duration 1-2 minutes (via EMSC)
Palmer (United States) (624 km NW from epicenter)(no details): Long - at least 30 seconds (via EMSC)
Anchorage (United States) (587 km NW from epicenter)(no details): We woke up to a galloping shake that lasted more than 30 seconds. (via EMSC)
Anchorage (United States) (586 km NW from epicenter)(no details): Felt like a tremor, very mild and lasted about a minute. By my clock 12:34 am (via EMSC)
Anchorage (United States) (586 km NW from epicenter)(no details): Felt like a tremor, very mild and lasted about a minute. By my clock 12:34 am (via EMSC)
Anchorage (United States) (586 km NW from epicenter)(no details): 10-15 seconds!! (via EMSC)
Anchorage (United States) (586 km NW from epicenter)(no details): I heard the condo squeak and definitely felt the shake lasting one minute. There was a tsunami alert on my phone two minutes after (via EMSC)
Anchorage (United States) (586 km NW from epicenter)(no details): It wasn’t a super hard shake but definitely strong enough to wake me up. Especially as it lasted for a good 8-10 seconds. (via EMSC)
Anchorage (United States) (586 km NW from epicenter)(no details): 65 to 70 seconds long.... (via EMSC)
Anchorage (United States) (586 km NW from epicenter)(no details): Shook longer than normal, scared my youngest daughter her barbies fell off her Barbie house. (via EMSC)
Anchorage (United States) (586 km NW from epicenter)(no details): Seemed somewhat different than you would expect. Swaying light fixtures and window coverings with creaking sounds from wood movement but no noticeable rolling or shaking. It took several moments to realize it was an earthquake. (via EMSC)
Anchorage (United States) (586 km NW from epicenter)(no details): There was a tsunami warning right after (via EMSC)
Anchorage (United States) (586 km NW from epicenter)(no details): Definitely longer than usual, all the shaking came with a tsunami warning. (via EMSC)
Anchorage (United States) (586 km NW from epicenter)(no details): I had guessed it was a 6 close to Anchorage until I received the tsunami warning! It lasted longer than most. (via EMSC)
Anchorage (United States) (585 km NW from epicenter)(no details): Seemed to last a long while. Steady shaker. (via EMSC)
Anchorage (United States) (585 km NW from epicenter)(no details): Rolled on for thirty thirty five seconds (via EMSC)
Anchorage (United States of America) (584 km NW from epicenter)(no details): An horage east side (via EMSC)
Anchorage (United States of America) (576 km NW from epicenter)(no details): Shaker in Anchorage Alaska. Felt rolling motion about 30 seconds. (via EMSC)
Kenai (United States) (526 km NW from epicenter)(no details): Long slow steady sways. Lasted quite a while! (via EMSC)
Soldotna (United States) (516 km NW from epicenter)(no details): Fairly good shake, seemed long and slow. Nothing fell but lights swayed long after (via EMSC)
Seward (United States) (460 km NW from epicenter)(no details): It was big enough to wake me up (via EMSC)
Homer (United States) (434 km NW from epicenter)(no details): Woke me up and i went outside before it was done (via EMSC)
Kodiak (United States) (287 km NW from epicenter)(no details): Shook for longer than normal (via EMSC)
Earthquakes in same area up to 1 year afterwards (likely aftershocks)
HeureMag. / DepthLocationMapSource

 

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