QuakeIndex

Earthquake · reviewed by a seismologist

M 7.0mww

2025 Hubbard Glacier Earthquake

· 10 km deep · released about 480 kilotons of TNT

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10 km30 km60 km120 km N Yakutat City and Borough 59 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
Magnitude
M 7.0 (mww)
Depth
10 km below the surface
Felt
1058 reports · strongest reported intensity VI
Measured shaking
intensity VIII (ShakeMap)
USGS impact alert
green
Tsunami
USGS flagged this event for tsunami evaluation. Follow tsunami.gov for official messages.
Nearest
Yakutat City and Borough, 59 km WSW
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 7 days ago

This was a major earthquake. Serious damage is likely near the epicentre. Follow official information from USGS and local authorities. 1058 people have reported feeling it to USGS.

How big was it?

This earthquake released about 480 kilotons of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 8.0 would have released about 32 times as much.

  1. Tōhoku, Japan 2011 M 9.1 1,400× the energy of this one
  2. San Francisco 1906 M 7.9 22× the energy of this one
  3. Ridgecrest, California 2019 M 7.1 1.4× the energy of this one
  4. This earthquake M 7.0 about 480 kilotons of TNT
  5. Loma Prieta, California 1989 M 6.9 this one released 1.4× more
  6. Northridge, California 1994 M 6.7 this one released 2.8× 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 60.3127, -139.5412. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Yakutat City and Borough, AK 59 km (36 mi) NE of here earthquakes near Yakutat City and Borough

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

Aftershocks so far

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

  1. 3.9 105 km N of Yakutat, Alaska
  2. 2.5 106 km N of Yakutat, Alaska
  3. 3.8 97 km N of Yakutat, Alaska
  4. 3.5 92 km N of Yakutat, Alaska
  5. 3.0 116 km N of Yakutat, Alaska
  6. 3.3 97 km N of Yakutat, Alaska
  7. 3.2 110 km N of Yakutat, Alaska
  8. 3.3 96 km N of Yakutat, Alaska
  9. 2.9 103 km N of Yakutat, Alaska
  10. 3.0 92 km N of Yakutat, Alaska
  11. 2.7 98 km N of Yakutat, Alaska
  12. 3.1 93 km NNE of Yakutat, Alaska
  13. 3.8 95 km N of Yakutat, Alaska
  14. 4.2 99 km N of Yakutat, Alaska
  15. 3.4 116 km N of Yakutat, 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.