QuakeIndex

Earthquakes in Alaska

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Typical QuakeIndex 70 / 100

243 quakes in the last 7 days in Alaska. Normal for here is 278 to 384 in a week.

Compared against Alaska's own 10 years · USGS catalogue · updated

The last 30 days

Aug 28 Sep 12 Sep 26
Each mark is a day's largest quake within range; its size is the magnitude. The shaded band is the magnitude a day's largest quake normally falls in here (M3.2–M4.1), from this place's own 10-year record. A mark above the band is a bigger day than usual.

Latest nearby

MagnitudeWhereDistanceWhen (UTC)Felt
M 2.36 km W of Houston, AlaskaNaN km (NaN mi) undefined1 reports
M 2.23 km NNE of Houston, AlaskaNaN km (NaN mi) undefined—
M 2.33 km ENE of Big Lake, AlaskaNaN km (NaN mi) undefined—

Live, refreshed every 60 seconds · USGS · updated

Where this is

Centre 61.420, -149.985 — the mean of this state’s place centroids, from the US Census Bureau Gazetteer (2024). Activity is measured within 50 km of it.

Largest on record nearby

MagnitudeWhenWhere
M 8.2 2021 Chignik, Alaska Earthquake
M 7.9 261 km SE of Chiniak, Alaska
M 7.8 2020 Perryville, Alaska Earthquake
M 7.6 2020 Sand Point, Alaska Earthquake
M 7.3 2025 Sand Point, Alaska Earthquake
M 7.2 2023 Sand Point, Alaska Earthquake
M 7.1 47 km ESE of Pedro Bay, Alaska
M 7.1 1 km SE of Point MacKenzie, Alaska

From the QuakeIndex catalogue, built from the USGS FDSN event service · within 50 km of the centre above.

Counties in Alaska

After an earthquake here