Monday, May 18, 1987 at 11:07 AM
1987-05-18 03:07 UTC · 49.282°, 147.693°
Magnitude
6.8 mw
Major
Depth
542 km
Deep
Energy
239.0 kilotons of TNT
Gutenberg–Richter
Coordinates
49.282°, 147.693°
Felt reports
—
Tsunami
No
Source
USGS
Region
—
Can cause serious damage over larger areas.
At 542 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 (~3943 km away). Last major event: 1934 Manila Trench Earthquake.
Area seismic-hazard score: 8/100 (low).
1 recorded M4.0+ event within 322 km in the 90 days after this earthquake.
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.