M 4.8 earthquake – 27 km SW of Thatcher, Utah
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Local time: Mar 12, 1934 · 10:29 (UTC-7)
Light
Reviewed by a seismologist
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- Magnitude
- 4.8local (Richter) magnitude (ml)
- Depth
- —
- Epicenter
- 41.500, -112.50040 km from Brigham City
- Energy released
- 239 tons of TNTless than one Hiroshima bomb
- Felt reports
- —"Did You Feel It?" responses
- Shaking intensity
- —not estimated
- Aftershocks
- 5M2.5+ within 30 km, up to 60 days
- Significance
- 354USGS score, 0–1,000+
Not rare around here
An earthquake at least as strong struck within 300 km on Mar 12, 1934.
How strong was it?
Light earthquake. It released 239 tons of TNT, 2 times less than a magnitude 5.0. Bars use the magnitude scale: every step is about 32 times more energy.
Aftershocks
5 earthquakes of M2.5+ within 30 km in the 60 days after.
The strongest earthquakes within 300 km
Since 1900, around United States.
- 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
- 5.6 Hansel Valley, Utah Oct 6, 1909