31 Dec 2025, 07:43 UTC · Dec 31, 2:43 AM ET

M4.5 earthquake 22 km WSW of Isen, Japan

A magnitude 4.5 earthquake struck 22 km WSW of Isen, Japan at Dec 31, 2:43 AM ET, 39 km deep, light – felt by most people nearby, rattling windows, rarely damage.

under 33–44–55–66+

Magnitude	4.5 mb
Time	31 Dec 2025, 07:43 UTC
Location	27.608°, 128.724° – 22 km WSW of Isen, Japan
Depth	39.4 km
Felt reports	0
USGS event	us7000rr5w

Within 100 km

Other earthquakes nearby this year

Mag.	Where	When (ET)	Depth	Felt
5.9	11 km NNE of Wadomari, Japan · PAGER green	May 19, 10:46 PM 150 d ago	42 km	20 reports
5.5	19 km NNE of Wadomari, Japan · PAGER green	Dec 30, 3:12 AM 291 d ago	11 km	8 reports
5.1	77 km WNW of Amagi, Japan	Mar 29, 3:07 AM 202 d ago	10 km	–
4.7	36 km ENE of Kunigami, Japan	Sep 25, 3:14 PM 21 d ago	14 km	1 report
4.7	66 km ESE of Isen, Japan	May 10, 9:41 PM 159 d ago	10 km	2 reports
4.6	87 km NW of Amagi, Japan	Jul 31, 8:58 AM 77 d ago	10 km	–
4.4	65 km ESE of Isen, Japan	Sep 13, 3:14 AM 34 d ago	10 km	–
4.4	52 km NW of Amagi, Japan	Aug 22, 2:44 PM 55 d ago	84 km	–
4.4	17 km NNW of China, Japan	May 30, 9:58 PM 139 d ago	35 km	–
4.4	20 km NNW of Wadomari, Japan	Dec 30, 3:23 AM 291 d ago	42 km	–
4.3	13 km SSE of Wadomari, Japan	Aug 2, 6:10 AM 75 d ago	68 km	–
4.3	73 km WNW of Amagi, Japan	Mar 29, 9:44 PM 201 d ago	10 km	–

FAQ

About this earthquake

How strong was the 22 km WSW of Isen, Japan earthquake?

Magnitude 4.5 (mb), light – felt by most people nearby, rattling windows, rarely damage. Depth 39 km.

Was it felt?

No felt reports have been submitted to the USGS so far.

Were there aftershocks?

No earthquakes within 100 km have followed so far in our records.

Earthquakes

Source: U.S. Geological Survey (USGS) earthquake catalog, real-time feeds and FDSN event service; magnitudes and locations are revised by seismologists for hours after an event. Times are Eastern (ET) unless marked UTC. Not an alert service: for warnings follow local authorities and tsunami centers.