M 6.9 earthquake – 102 km E of Severo-Kuril’sk, Russia
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Local time: Nov 5, 1952 · 08:48 (UTC+12)
StrongShallow · 30 km
Reviewed by a seismologist
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- Magnitude
- 6.9moment magnitude (mw)
- Depth
- 30 kmShallow earthquake
- Epicenter
- 50.632, 157.580262 km from Vilyuchinsk
- Energy released
- 338 kilotons of TNTabout 23 × Hiroshima
- Felt reports
- —"Did You Feel It?" responses
- Shaking intensity
- 5.4max. instrumental (MMI)
- Aftershocks
- 5M2.5+ within 64 km, up to 60 days
- Significance
- 728USGS score, 0–1,000+
Not rare around here
An earthquake at least as strong struck within 300 km on Nov 4, 1952.
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.
Aftershocks
5 earthquakes of M2.5+ within 64 km in the 60 days after.
The strongest earthquakes within 300 km
Since 1900, around Russia.
- 9.0 89 km ESE of Petropavlovsk-Kamchatsky, Russia Nov 4, 1952
- 8.8 2025 Kamchatka Peninsula, Russia Earthquake Jul 29, 2025
- 7.5 221 km SSE of Severo-Kuril’sk, Russia Mar 25, 2020
- 7.5 97 km ESE of Ozernovskiy, Russia Jun 8, 1993
- 7.5 274 km SE of Petropavlovsk-Kamchatsky, Russia Jun 25, 1904
- 7.5 253 km SE of Vilyuchinsk, Russia Jun 30, 1936
- 7.4 95 km NNE of Ozernovskiy, Russia May 4, 1911
- 7.4 156 km SE of Severo-Kuril’sk, Russia Oct 31, 1916