Japan earthquakes

M4.1 earthquake 175 km ESE of ?hara, Japan

A magnitude 4.1 earthquake struck 175 km ESE of ?hara, Japan on Fri, Sep 23, 2016, 11:43 AM JST (02:43 UTC), 10 km (6 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 02:43:26 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
34.476° N, 142.065° 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 4.4 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.23
Depth from
Operator assigned
Station coverage gap
158°
Stations used
19

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 38 in the 60 days after this one and 36 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us10006unk. Read Mon, Oct 5, 2026, 7:39 AM UTC.