QuakeIndex

Earthquake · reviewed by a seismologist

M 3.2ml

26 km S of Halibut Cove, Alaska

· 43 km deep · released about 1,900 lb of TNT

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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
Magnitude
M 3.2 (ml)
Depth
43 km below the surface
Felt
no reports yet
Nearest
Kenai Peninsula Borough, 128 km NNW
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 1143 days ago

This was a small earthquake. Shaking like this is often felt indoors nearby and very rarely causes damage.

How big was it?

This earthquake released about 1,900 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 4.2 would have released about 32 times as much.

  1. Northridge, California 1994 M 6.7 180,000× the energy of this one
  2. Mineral, Virginia 2011 M 5.8 7,900× the energy of this one
  3. Magna, Utah 2020 M 5.7 5,600× the energy of this one
  4. This earthquake M 3.2 about 1,900 lb of TNT
  5. Around the size people start to feel M 3.0 this one released 2× more

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.

Where

Epicentre 59.3531, -151.2200. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Kenai Peninsula Borough, AK 128 km (80 mi) SSE of here earthquakes near Kenai Peninsula Borough

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

Aftershocks so far

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

  1. 1.6 19 km ESE of Seldovia Village, Alaska
  2. 2.5 5 km N of Halibut Cove, Alaska
  3. 1.5 12 km WSW of Homer, Alaska
  4. 1.6 2 km WSW of Homer, Alaska
  5. 3.0 8 km SE of Seldovia Village, Alaska
  6. 2.4 10 km S of Fox River, Alaska
  7. 2.1 Kenai Peninsula, Alaska
  8. 2.0 16 km SSW of Halibut Cove, Alaska
  9. 1.6 14 km SSE of Fox River, Alaska
  10. 1.7 Kenai Peninsula, Alaska
  11. 1.9 15 km SSW of Halibut Cove, Alaska
  12. 2.5 8 km SSE of Seldovia, Alaska
  13. 2.3 11 km SE of Seldovia, Alaska
  14. 1.6 7 km W of Diamond Ridge, Alaska
  15. 2.3 43 km SE of Seldovia, 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.