Saturday, December 12, 1987 at 12:51 PM
1987-12-12 04:51 UTC · 29.692°, 140.025°
Magnitude
6.4 mw
Major
Depth
164 km
Intermediate
Energy
60.0 kilotons of TNT
Gutenberg–Richter
Coordinates
29.692°, 140.025°
Felt reports
—
Tsunami
No
Source
USGS
Region
—
Can cause serious damage over larger areas.
At 164 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 Major range of the moment magnitude scale.
Nearest mapped structure: Manila Trench (~2267 km away). Last major event: 1934 Manila Trench Earthquake.
Area seismic-hazard score: 8/100 (low).
1 recorded M4.0+ event within 306 km in the 90 days after this earthquake.
Data from USGS. Magnitudes and locations are preliminary and may be revised. For official information consult PHIVOLCS / USGS.