M 5.6 earthquake – Hansel Valley, Utah
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Local time: Oct 5, 1909 · 19:41 (UTC-7)
Moderate
Reviewed by a seismologist
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- Magnitude
- 5.6moment magnitude (Mw)
- Depth
- —
- Epicenter
- 41.800, -112.70065 km from Brigham City
- Energy released
- 3.8 kilotons of TNTless than one Hiroshima bomb
- Felt reports
- —"Did You Feel It?" responses
- Shaking intensity
- —not estimated
- Aftershocks
- 0M2.5+ within 30 km
- Significance
- 479USGS score, 0–1,000+
The strongest within 300 km on record
No earthquake this strong has been recorded this close since our catalog begins in 1900.
How strong was it?
Moderate earthquake. It released 3.8 kilotons of TNT, 7.9 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.
- 6.9 The 1983 Borah Peak Earthquake, Idaho Oct 28, 1983
- 6.6 The 1934 Hansel Valley, Utah Earthquake Mar 12, 1934
- 6.1 17 km NE of Snowville, Utah Mar 28, 1975
- 5.9 8 km ENE of Wells, Nevada Feb 21, 2008
- 5.9 35 km SSW of Howell, Utah Mar 12, 1934
- 5.8 8 km W of Garden City, Utah Aug 30, 1962
- 5.8 4 km SSE of Auburn, Wyoming Feb 3, 1994
- 5.7 5 km NNE of Magna, Utah Mar 18, 2020