M 6.4 earthquake – Mount McKinley (Denali) area, Alaska
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Local time: Jul 8, 1912 · 11:53 (UTC-10)
StrongShallow · 0.0 km
Reviewed by a seismologist
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- Magnitude
- 6.4surface-wave magnitude (ms)
- Depth
- 0.0 kmShallow earthquake
- Epicenter
- 63.440, -150.500206 km from Fairbanks
- Energy released
- 60 kilotons of TNTabout 4 × Hiroshima
- Felt reports
- —"Did You Feel It?" responses
- Shaking intensity
- —not estimated
- Aftershocks
- 0M2.5+ within 33 km
- Significance
- 630USGS score, 0–1,000+
Not rare around here
An earthquake at least as strong struck within 300 km on Jul 7, 1912.
How strong was it?
Strong earthquake. It released 60 kilotons of TNT, 126 times the energy of a magnitude 5.0. Bars use the magnitude scale: every step is about 32 times more energy.
The strongest earthquakes within 300 km
Since 1900, around United States.
- 7.9 2002 Denali Fault, Alaska Earthquake Nov 3, 2002
- 7.3 Central Alaska Aug 27, 1904
- 7.2 Mount McKinley (Denali) area, Alaska Jul 7, 1912
- 7.1 Central Alaska Jul 22, 1937
- 7.1 1 km SE of Point MacKenzie, Alaska Nov 30, 2018
- 7.1 Central Alaska Oct 16, 1947
- 6.9 27 km SE of Skwentna, Alaska Nov 3, 1943
- 6.8 Southern Alaska Apr 27, 1933
In the week before
Earthquakes within 33 km in the 7 days before this one: possible foreshocks.