Japan earthquakes

M5.8 earthquake 32 km S of Mutsu, Japan

A magnitude 5.8 earthquake struck 32 km S of Mutsu, Japan on Tue, May 16, 1978, 5:23 PM JST (08:23 UTC), 23 km (14 mi) below the surface.

Toyota forecastMore in Japan

Map

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

Open the live map with earthquakes

The earthquake

Magnitude
5.8 (mb), moderate
Local time
UTC
1978-05-16 08:23:58 UTC
Depth
23.0 km (14.3 mi), shallow
Epicenter
41.001° N, 141.259° E
Region
Japan
Strongest shaking
VI, strong shaking
Tsunami flag
No
Status
Reviewed by a seismologist

Shaking

The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.

Strongest estimated
VI, strong shaking
Peak ground acceleration
20.2% of gravity
Peak ground velocity
2.8 cm/s
Map
Automatic
USGS ShakeMap: estimated shaking intensity around the epicenter
Estimated shaking intensity. Map: USGS ShakeMap.

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Stations used
282

Nearest places

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

Nearby

Within 100 km, magnitude 2.5 and up: 3 in the 60 days after this one and 2 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 usp0000ujs (also filed as gcmtb051678b, gcmt19780516082358, iscgem682322, atlas19780516082358). Read Tue, Sep 22, 2026, 2:53 PM UTC.