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Earthquake · Reviewed by USGS

M4.3 earthquake Izu Islands, Japan region

A magnitude 4.3 earthquake struck Izu Islands, Japan region at Dec 21, 2025, 09:36 UTC, at a depth of 415 km.

Details

Magnitude4.3 mb
TimeDec 21, 2025, 09:36 UTC
Depth415.4 km
Coordinates30.069, 138.738
Felt reports0
Tsunami flagNone
SourceUSGS event page
Fig. 1The epicentre and other earthquakes within 100 km, since the day before

01 — Around it

Other earthquakes within 100 km

Other earthquakes within 100 km since the day before this event
MagnitudeLocationDistanceDepthTime
4.6Izu Islands, Japan region27 km / 17 midepth 475 km
4.1Izu Islands, Japan region23 km / 14 midepth 429 km
5.1Izu Islands, Japan region48 km / 30 midepth 485 km
4.0Izu Islands, Japan region29 km / 18 midepth 418 km
4.3Izu Islands, Japan region56 km / 35 midepth 408 km
4.1Izu Islands, Japan region41 km / 26 midepth 443 km
4.3Izu Islands, Japan region25 km / 15 midepth 437 km
4.3Izu Islands, Japan region45 km / 28 midepth 428 km
4.1Izu Islands, Japan region14 km / 9 midepth 408 km

USGS can revise magnitude and location after the first report. See magnitude vs intensity and aftershocks.