M 5.3 earthquake – 69 km NW of Beaver, Alaska
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Local time: Dec 19, 1966 · 14:26 (UTC-10)
ModerateShallow · 10 km
Reviewed by a seismologist
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- Magnitude
- 5.3moment magnitude (mw)
- Depth
- 10 kmShallow earthquake
- Epicenter
- 66.717, -148.671214 km from Fairbanks
- Energy released
- 1.3 kilotons of TNTless than one Hiroshima bomb
- Felt reports
- —"Did You Feel It?" responses
- Shaking intensity
- —not estimated
- Aftershocks
- 1M2.5+ within 30 km, up to 60 days
- Significance
- 424USGS score, 0–1,000+
The strongest here since 1961
The last earthquake at least as strong within 300 km struck on Jan 30, 1961.
How strong was it?
Moderate earthquake. It released 1.3 kilotons of TNT, 2.8 times the energy of a magnitude 5.0. Bars use the magnitude scale: every step is about 32 times more energy.
Aftershocks
1 earthquakes of M2.5+ within 30 km in the 60 days after.
The strongest earthquakes within 300 km
Since 1900, around United States.
- 7.1 Central Alaska Jul 22, 1937
- 7.1 Central Alaska Oct 16, 1947
- 6.4 15 km S of Rampart, Alaska Oct 29, 1968
- 6.4 23 km ENE of Ferry, Alaska Oct 20, 1947
- 6.2 49 km WNW of Stevens Village, Alaska Mar 9, 1985
- 6.0 36 km E of Minto, Alaska Oct 6, 1995
- 6.0 39 km SW of Salcha, Alaska Jul 4, 1929
- 5.9 31 km SSE of Tanana, Alaska May 11, 1958