Earthquake · Reviewed by USGS

M4.4 earthquake 117 km SSE of Shimoda, Japan

A magnitude 4.4 earthquake struck 117 km SSE of Shimoda, Japan at Sep 9, 2025, 11:08 UTC, at a depth of 10 km. The epicentre was 118 km (73 mi) SSE of Shimoda.

Details

Magnitude	4.4 mb
Time	Sep 9, 2025, 11:08 UTC
Depth	10.0 km
Coordinates	33.707, 139.457
Felt reports	0
Tsunami flag	None
Source	USGS event page

Fig. 1The epicentre and other earthquakes within 100 km, since the day before

01 — Nearby

Nearest cities

02 — Around it

Other earthquakes within 100 km

Other earthquakes within 100 km since the day before this event
Magnitude	Location	Distance	Depth	Time
4.2	115 km SSE of Shimoda, Japan	22 km / 13 mi	depth 10 km	Sep 12, 19:18 UTC
5.3	148 km SSE of Tateyama, Japan	94 km / 58 mi	depth 71 km	Aug 21, 12:02 UTC
4.3	184 km S of Tateyama, Japan	84 km / 52 mi	depth 80 km	Jul 24, 23:18 UTC
4.5	117 km S of Tateyama, Japan	64 km / 40 mi	depth 110 km	Mar 31, 15:38 UTC
4.4	74 km SSE of Tateyama, Japan	98 km / 61 mi	depth 95 km	Mar 22, 08:56 UTC
4.5	59 km SE of Shimoda, Japan	69 km / 43 mi	depth 140 km	Feb 23, 22:34 UTC
4.2	119 km SSE of Ōyama, Japan	84 km / 52 mi	depth 10 km	Jan 19, 16:30 UTC
4.2	199 km SSE of Shimoda, Japan	83 km / 51 mi	depth 193 km	Dec 16, 21:09 UTC
4.4	53 km ESE of Shimoda, Japan	88 km / 54 mi	depth 10 km	Dec 2, 11:07 UTC
4.4	52 km ESE of Shimoda, Japan	87 km / 54 mi	depth 10 km	Sep 16, 21:33 UTC

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