Japan earthquakes

M4.8 earthquake 88 km ENE of Misawa, Japan

A magnitude 4.8 earthquake struck 88 km ENE of Misawa, Japan on Fri, Dec 29, 1978, 7:35 PM JST (10:35 UTC), 46 km (29 mi) below the surface.

Hitokawame 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
4.8 (mb), light
Local time
UTC
1978-12-29 10:35:02 UTC
Depth
46.0 km (28.6 mi), shallow
Epicenter
41.049° N, 142.324° 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.

Depth from
CONSTRAINED_BY_DEPTH_PHASES
Stations used
65

Nearest places

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

Nearby

Within 100 km, magnitude 1.8 and up: 1 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 usp0000y66. Read Tue, Sep 22, 2026, 8:26 AM UTC.