Thursday, May 7, 1987 at 11:05 AM
1987-05-07 03:05 UTC · 46.736°, 139.232°
Magnitude
6.8 mw
Major
Depth
430 km
Deep
Energy
239.0 kilotons of TNT
Gutenberg–Richter
Coordinates
46.736°, 139.232°
Felt reports
—
Tsunami
No
Source
USGS
Region
—
Can cause serious damage over larger areas.
At 430 km this was a deep earthquake. Deep quakes are felt over very large areas but rarely cause surface damage.
This event sits in the Major range of the moment magnitude scale.
Nearest mapped structure: Manila Trench (~3297 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.