Japan earthquakes

M4.7 earthquake 24 km ENE of Iwaki, Japan

A magnitude 4.7 earthquake struck 24 km ENE of Iwaki, Japan on Sat, Aug 15, 2026, 10:10 AM JST (01:10 UTC), 58 km (36 mi) below the surface.

Iwaki forecastMore in Japan

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
4.7 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2026-08-15 01:10:52 UTC
Depth
57.7 km (35.9 mi), shallow
Epicenter
37.135° N, 141.134° E
Region
Japan
Felt reports
2
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

2 people reported to the USGS what they felt; the strongest reported shaking was II, weak shaking.

Did You Feel It? map: shaking reported by the public
Shaking reported by the public, by area. Map: USGS Did You Feel It?

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 9.6 km horizontally, 7.8 km in depth
Magnitude uncertainty
±0.09
Depth from
From location
Station coverage gap
139°
Stations used
50

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.7 and up: 8 since this one and 4 in the 30 days before it.

After

Before

Earthquakes todayJapan earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000tkvn. Read Thu, Oct 1, 2026, 9:19 PM UTC.