Japan earthquakes

M4.1 earthquake 165 km ESE of ?hara, Japan

A magnitude 4.1 earthquake struck 165 km ESE of ?hara, Japan on Fri, Sep 23, 2016, 11:34 AM JST (02:34 UTC), 20 km (12 mi) below the surface.

A larger quake followed: M5.3 104 km ESE of ?hara, Japan. This one was a foreshock.

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

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The earthquake

Magnitude
4.1 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2016-09-23 02:34:33 UTC
Depth
19.7 km (12.2 mi), shallow
Epicenter
34.479° N, 141.939° E
Region
Japan
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 8.1 km horizontally, 6.6 km in depth
Magnitude uncertainty
±0.17
Depth from
From location
Station coverage gap
204°, poorly surrounded by stations
Stations used
25

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 40 in the 60 days after this one and 35 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us10006uns. Read Mon, Oct 5, 2026, 10:57 AM UTC.