M 6.9 earthquake – 32 km SSE of Fais, Micronesia
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Local time: Jun 18, 1942 · 18:30 (UTC+9)
StrongShallow · 15 km
Reviewed by a seismologist
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- Magnitude
- 6.9moment magnitude (mw)
- Depth
- 15 kmShallow earthquake
- Epicenter
- 9.491, 140.630631 km from Hagåtña
- Energy released
- 338 kilotons of TNTabout 23 × Hiroshima
- Felt reports
- —"Did You Feel It?" responses
- Shaking intensity
- —not estimated
- Aftershocks
- 0M2.5+ within 64 km
- Significance
- 728USGS 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?
Strong earthquake. It released 338 kilotons of TNT, 708 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 Micronesia.
- 7.0 199 km NNW of Fais, Micronesia Jun 7, 1966
- 6.6 133 km NNE of Fais, Micronesia Jan 16, 2005
- 6.5 96 km ENE of Fais, Micronesia Mar 15, 1943
- 6.4 160 km SSE of Fais, Micronesia Jul 3, 1950
- 6.4 50 km NW of Fais, Micronesia Dec 8, 2017
- 6.3 45 km NW of Fais, Micronesia Dec 8, 2017
- 6.3 54 km NNE of Colonia, Micronesia Sep 26, 1993
- 6.3 193 km ENE of Fais, Micronesia Mar 30, 1919