QuakeIndex

Earthquakes in Alaska

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The most recent earthquake of M2.5 or more in Alaska was M 2.9, 74 km WNW of Petersville, Alaska, at 8:42 am AKST on 10 November 2026. 6 smaller earthquakes have been recorded in Alaska since.

In the last 24 hours, 38 earthquakes of M1.5 or more were recorded in Alaska; the largest was M 3.6, 132 km SW of Nikolski, Alaska, at 2:04 am AKST.

Last 24 hours
38
Last 7 days
444
Last 30 days
1,949 · an average 30 days here since 2016: 1,945
Last 12 months
31,462 · largest M 6.5 on 17 September 2026
Since 2016
257,116 earthquakes of M1.5 or more
Largest since 2016
M 8.2 on 28 July 2021, 2021 Chignik, Alaska Earthquake

Latest quake, 24 hours and 7 days: the QuakeIndex database, which reads USGS every 30 seconds, read at ; 30 days and 12 months: the QuakeIndex catalogue, counted to · earthquakes of M1.5 or more in Alaska, where USGS names the state in the location

74

Typical QuakeIndex 74 / 100

345 quakes of M1.5 or larger in the last 7 days in Alaska. Normal for here is 280 to 386 in a week.

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

If you felt one

QuakeIndex does not issue warnings or forecasts. For earthquake early warning see ShakeAlert and the MyShake app.

The last 30 days

Oct 12 Oct 27 Nov 10
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.

Show these earthquakes on your own site: a free card with this strip and the latest quakes in Alaska, for a local news site, school or neighborhood page.

Live · last 7 days

Latest earthquakes in Alaska

11 in the latest snapshot we hold; the full 7 days load from USGS as this page opens.

  1. 2.5 59 km E of Pedro Bay, Alaska 111 km deep
  2. 2.1 27 km WNW of Clam Gulch, Alaska 76 km deep
  3. 1.4 37 km WSW of Salcha, Alaska 5 km deep
  4. 2.0 26 km W of Karluk, Alaska 65 km deep
  5. 1.7 6 km SSW of Ester, Alaska 8 km deep
  6. 1.1 82 km NNW of Karluk, Alaska 3 km deep
  7. 1.8 46 km NW of Tatitlek, Alaska 18 km deep
  8. 2.3 54 km ENE of Susitna North, Alaska 22 km deep
  9. 1.4 60 km WNW of Nikiski, Alaska 23 km deep
  10. 1.7 99 km S of Kokhanok, Alaska 15 km deep
  11. 2.4 26 km S of Denali National Park, Alaska 24 km deep

Source USGS · snapshot of

The last 7 days on the map

The map loads when it scrolls into view.
Every earthquake in Alaska in the last 7 days, from the USGS feed. Colour and size are magnitude; tap one for its page.

Open the full map — zoom anywhere, or find your own location →

Largest on record in and around Alaska

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 · inside a rectangle drawn around Alaska, which takes in some ground over its borders.

Before 2016: the largest in Alaska since 1900

The USGS record from 1900 to 2015 lists 1,398 earthquakes of M5 or more in and just off Alaska; the 8 largest:

  1. 9.2 The 1964 Prince William Sound, Alaska Earthquake
  2. 8.7 1965 Western Aleutian Islands (Hawadax/Rat Islands) Earthquake
  3. 8.6 The 1946 Unimak Island, Alaska Earthquake
  4. 8.3 1906 Western Aleutian Islands (Hawadax/Rat Islands) Earthquake
  5. 8.2 1938 Semidi Islands, Alaska Earthquake
  6. 8.0 The 1949 Haida Gwaii, Canada Earthquake
  7. 7.9 Kodiak Island region, Alaska
  8. 7.9 200 km WSW of Yakutat, Alaska

USGS ComCat, M5+ from 1900 to 2015, each epicentre counted for the state whose nearest county it is. Epicentres of early earthquakes are estimates. This is the record, not a forecast.

The busiest mapped faults in Alaska

USGS Quaternary Fault and Fold Database and the QuakeIndex catalogue. Every major fault →

The most active counties in Alaska

CountyM1.5+ in 10 yearsThis week
Kenai Peninsula Borough 9,910 Typical (56)
Anchorage Municipality 6,820 Typical (60)
Matanuska-Susitna Borough 3,536 Typical (73)
Yakutat City and Borough 2,500 Elevated (94)
Denali Borough 1,905 Elevated (84)
Lake and Peninsula Borough 1,448 Typical (27)
Kodiak Island Borough 1,370 Unusual (97)
Haines Borough 250 Quiet (0)

Counted within each county page's own radius from the QuakeIndex catalogue (USGS, M1.5+, ten years).

Towns in Alaska with the most earthquakes named after them

Anchorage 923 M2.5+ named after it · Big Lake 534 M2.5+ named after it · Anchor Point 296 M2.5+ named after it · Valdez 275 M2.5+ named after it · Susitna North 272 M2.5+ named after it · Unalaska 254 M2.5+ named after it · Kalifornsky 247 M2.5+ named after it · Sand Point 241 M2.5+ named after it · King Cove 219 M2.5+ named after it · Willow 196 M2.5+ named after it · Akutan 184 M2.5+ named after it · Nikiski 169 M2.5+ named after it · Healy 154 M2.5+ named after it · Homer 141 M2.5+ named after it · Sterling 114 M2.5+ named after it

Each town page lists every M1.5+ earthquake within 30 km since 2016 and the ones USGS named after it. Town names: GeoNames (CC BY 4.0).

Counties in Alaska

Be ready

Earthquakes cannot be predicted, here or anywhere, so the useful step is the one taken beforehand. The advice below is from the agencies responsible for it.