QuakeIndex

Earthquake · reviewed by a seismologist

M 1.9ml

Earthquake near Anchorage, AK

USGS: 7 km N of Hope, Alaska

30 km (19 mi) SSE of Anchorage, AK

6:41 pm AKDT, Sep 27, 2026 · · 36 km deep · released about 21 lb of TNT

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10 km30 km60 km120 km N Anchorage Municipality 28 km
Distance rings around the epicentre, with the nearest towns at their true direction and later quakes as coloured dots. Not a shaking map — see the USGS ShakeMap for that.
When
6:41 pm AKDT on 27 September 2026 ()
Where
30 km (19 mi) SSE of Anchorage, AK · earthquakes near Anchorage
Magnitude
M 1.9 (ml)
Depth
36 km below the surface
Felt
no reports yet
Nearest
Anchorage Municipality, 28 km NE
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 4 days ago

A magnitude 1.9 earthquake was recorded 30 km (19 mi) SSE of Anchorage, AK, at 6:41 pm AKDT on 27 September 2026 (02:41 UTC). This was a minor earthquake. Quakes this small are rarely felt and do not cause damage.

Earthquakes near other towns within 30 km: Girdwood.

How big was it?

This earthquake released about 21 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 2.9 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 710,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 500,000× the energy of this one
  3. Around the size people start to feel M 3.0 45× the energy of this one
  4. This earthquake M 1.9 about 21 lb of TNT

Energy from the Gutenberg–Richter relation (log10E = 1.5M + 4.8), rounded to two figures; bar length is magnitude, which is already a logarithm of energy. Magnitudes of past earthquakes from the USGS catalogue.

For this area

The largest earthquake within 50 km since 2016 was M 7.1 on 2018-11-30 — about 63,000,000 times the energy of this one.

Before 2016, the USGS record lists 12 earthquakes of M5 or more within 50 km; the five largest:

  1. 5.7 13 km S of Girdwood, Alaska · 30 km SE of this epicentre
  2. 5.6 17 km W of Whittier, Alaska · 43 km SE of this epicentre
  3. 5.5 2 km ENE of Eagle River, Alaska · 39 km N of this epicentre
  4. 5.5 26 km SSW of Anchorage, Alaska · 27 km W of this epicentre
  5. 5.3 16 km WSW of Whittier, Alaska · 44 km SE of this epicentre

Since 2016: the QuakeIndex catalogue (US, M1.5+), built from the USGS FDSN event service. Before 2016: USGS ComCat, M5+ from 1900. Distances are between epicentres. This is the record, not a forecast.

Where

Epicentre 60.9840, -149.6260. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection from the epicentre
Anchorage Municipality, AK 28 km (17 mi) NE earthquakes near Anchorage Municipality

Places and coordinates from the US Census Bureau Gazetteer (2024). Distances are from the epicentre.

Aftershocks so far

4 earthquakes have been recorded within 50 km since this one.

  1. 1.6 14 km WSW of Anchorage, Alaska
  2. 2.0 24 km SSW of Anchorage, Alaska
  3. 2.1 20 km SSW of Sunrise, Alaska
  4. 1.5 8 km SSE of Elmendorf Air Force Base, Alaska

Counted from the QuakeIndex database, which ingests the USGS feed every 30 seconds · as of . QuakeIndex does not forecast aftershocks. When USGS issues an operational aftershock forecast it appears on the USGS event page.

On USGS

QuakeIndex does not issue warnings. For earthquake early warning see ShakeAlert.