M 4.5 earthquake – 55 km SE of Koseda, Japan
·
Local time: Sep 19, 2026 · 16:08 (UTC+9)
LightShallow · 38 km
Reviewed by a seismologist
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- Magnitude
- 4.5body-wave magnitude (mb)
- Depth
- 38 kmShallow earthquake
- Epicenter
- 30.071, 131.09774 km from Nishinoomote
- Energy released
- 85 tons of TNTless than one Hiroshima bomb
- Felt reports
- —"Did You Feel It?" responses
- Shaking intensity
- —not estimated
- Aftershocks
- 0M2.5+ within 30 km
- Significance
- 312USGS score, 0–1,000+
Not rare around here
An earthquake at least as strong struck within 300 km on Sep 18, 2026.
How strong was it?
Light earthquake. It released 85 tons of TNT, 5.6 times less than 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.
- 8.0 1941 Hyuganada Earthquake Nov 18, 1941
- 7.9 58 km ESE of Takanabe, Japan Nov 2, 1931
- 7.9 108 km NW of Naze, Japan Jun 15, 1911
- 7.5 18 km NNE of Nichinan, Japan Feb 26, 1961
- 7.5 60 km ESE of Nobeoka, Japan Apr 1, 1968
- 7.5 18 km SE of Honmachi, Japan Nov 10, 1909
- 7.4 152 km ESE of Koshima, Japan Feb 1, 1916
- 7.4 22 km N of Nishinoomote, Japan Jul 13, 1923