M 7.1 earthquake – Bonin Islands, Japan region
·
Local time: Jul 12, 1951 · 04:21 (UTC+10)
MajorDeep · 497 km
Reviewed by a seismologist
Loading the map…
- Magnitude
- 7.1moment magnitude (mw)
- Depth
- 497 kmDeep earthquake
- Epicenter
- 28.359, 139.405666 km from Kushimoto
- Energy released
- 674 kilotons of TNTabout 45 × Hiroshima
- Felt reports
- —"Did You Feel It?" responses
- Shaking intensity
- —not estimated
- Aftershocks
- 0M2.5+ within 84 km
- Significance
- 776USGS 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?
Major earthquake. It released 674 kilotons of TNT, 1,413 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 Japan.
- 7.8 Bonin Islands, Japan region May 30, 2015
- 7.4 Bonin Islands, Japan region Aug 6, 2000
- 7.4 Izu Islands, Japan region Mar 6, 1984
- 7.3 Bonin Islands, Japan region Oct 7, 1968
- 7.3 Izu Islands, Japan region Feb 18, 1956
- 7.1 Bonin Islands, Japan region May 27, 1970
- 7.1 Bonin Islands, Japan region Aug 20, 1998
- 7.1 west of the Bonin Islands, Japan Jul 4, 1982