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Earthquake · Reviewed by USGS

M4.6 earthquake 93 km S of Koshima, Japan

A magnitude 4.6 earthquake struck 93 km S of Koshima, Japan at Mar 23, 2026, 12:39 UTC, at a depth of 38 km. The epicentre was 152 km (95 mi) SSW of Nishinoomote.

Details

Magnitude4.6 mb
TimeMar 23, 2026, 12:39 UTC
Depth37.5 km
Coordinates29.395, 130.654
Felt reports0
Tsunami flagNone
SourceUSGS event page
Fig. 1The epicentre and other earthquakes within 100 km, since the day before

02 — Around it

Other earthquakes within 100 km

Other earthquakes within 100 km since the day before this event
MagnitudeLocationDistanceDepthTime
4.8109 km S of Koshima, Japan16 km / 10 midepth 30 km
4.555 km SE of Koseda, Japan86 km / 54 midepth 38 km
4.3107 km S of Yudomari, Japan21 km / 13 midepth 13 km
5.199 km S of Yudomari, Japan27 km / 17 midepth 35 km
4.855 km ESE of Koshima, Japan73 km / 46 midepth 35 km
4.997 km SE of Koshima, Japan68 km / 42 midepth 10 km
4.492 km NE of Tatsugō, Japan55 km / 34 midepth 35 km
4.559 km SE of Koseda, Japan88 km / 55 midepth 10 km
4.862 km ESE of Koseda, Japan94 km / 58 midepth 28 km
4.5103 km S of Koshima, Japan10 km / 6 midepth 35 km
4.443 km SE of Koseda, Japan91 km / 56 midepth 27 km
4.559 km S of Koshima, Japan36 km / 22 midepth 46 km
4.6161 km SSE of Koshima, Japan81 km / 51 midepth 10 km
4.381 km SSW of Yudomari, Japan39 km / 24 midepth 62 km
4.584 km E of Tatsugō, Japan98 km / 61 midepth 10 km
4.290 km SSE of Koshima, Japan8 km / 5 midepth 35 km
4.588 km NNE of Tatsugō, Japan67 km / 41 midepth 37 km
4.274 km ESE of Koseda, Japan97 km / 60 midepth 10 km
4.097 km S of Koshima, Japan5 km / 3 midepth 42 km
4.6118 km ESE of Koshima, Japan99 km / 61 midepth 10 km
4.652 km SE of Koseda, Japan87 km / 54 midepth 42 km
4.3101 km S of Yudomari, Japan35 km / 22 midepth 35 km
4.316 km ESE of Koshima, Japan86 km / 53 midepth 53 km

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