Wednesday, July 29, 1981 at 1:00 AM
1981-07-28 17:00 UTC · 41.676°, 139.973°
Magnitude
5.4 mb
Strong
Depth
177 km
Intermediate
Energy
1.9 kilotons of TNT
Gutenberg–Richter
Coordinates
41.676°, 139.973°
Felt reports
—
Tsunami
No
Source
USGS
Region
—
Can cause damage to buildings and infrastructure near the epicentre.
At 177 km this was a intermediate earthquake. Intermediate-depth quakes spread shaking over a wider area but are usually less destructive at the surface.
This event sits in the Strong range of the moment magnitude scale.
Nearest mapped structure: Manila Trench (~2935 km away). Last major event: 1934 Manila Trench Earthquake.
Area seismic-hazard score: 8/100 (low).
No other recent earthquakes nearby.
Browse all earthquakes →Data from USGS. Magnitudes and locations are preliminary and may be revised. For official information consult PHIVOLCS / USGS.