Japan earthquakes

M5.7 earthquake 44 km SSE of Aso, Japan

A magnitude 5.7 earthquake struck 44 km SSE of Aso, Japan on Sun, Jan 27, 1985, 6:36 AM JST (21:36 UTC), 121 km (75 mi) below the surface.

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Map

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The earthquake

Magnitude
5.7 (mw), moderate
Local time
UTC
1985-01-26 21:36:10 UTC
Depth
121.4 km (75.4 mi), intermediate-depth
Epicenter
32.545° N, 131.184° E
Region
Japan
Strongest shaking
IV, light 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
IV, light shaking
Peak ground acceleration
2.2% of gravity
Peak ground velocity
-0.0 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.

Nearest places

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

Nearby

Within 100 km, magnitude 2.7 and up: 0 in the 60 days after this one and 1 in the 30 days before it.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0002bdy (also filed as gcmtb012685c, gcmt19850126213609, iscgem535381). Read Mon, Sep 28, 2026, 10:31 PM UTC.