M 4.7 earthquake – 6 km N of Asahi, Japan
·
Local time: Oct 29, 2026 · 03:32 (UTC+9)
LightShallow · 41 km
Reviewed by a seismologist
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- Magnitude
- 4.7body-wave magnitude (mb)
- Depth
- 41 kmShallow earthquake
- Epicenter
- 35.776, 140.6467.0 km from Asahi
- Energy released
- 169 tons of TNTless than one Hiroshima bomb
- Felt reports
- 1"Did You Feel It?" responses
- Shaking intensity
- 1.0max. reported (CDI)
- Aftershocks
- 1M2.5+ within 30 km, up to 60 days
- Significance
- 340USGS score, 0–1,000+
Not rare around here
An earthquake at least as strong struck within 300 km on Oct 28, 2026.
How strong was it?
Light earthquake. It released 169 tons of TNT, 2.8 times less than a magnitude 5.0. Bars use the magnitude scale: every step is about 32 times more energy.
Aftershocks
1 earthquakes of M2.5+ within 30 km in the 60 days after.
The strongest earthquakes within 300 km
Since 1900, around Japan.
- 8.0 5 km SSE of Ōiso, Japan Sep 1, 1923
- 7.9 47 km E of Ōarai, Japan Mar 11, 2011
- 7.9 174 km SE of Katsuura, Japan Nov 25, 1953
- 7.8 5 km E of Tateyama, Japan Sep 2, 1923
- 7.8 105 km E of Iwaki, Japan Nov 5, 1938
- 7.7 68 km ESE of Ishinomaki, Japan Jun 12, 1978
- 7.7 116 km E of Namie, Japan Nov 6, 1938
- 7.7 116 km ESE of Namie, Japan Nov 5, 1938
In the week before
Earthquakes within 30 km in the 7 days before this one: possible foreshocks.