Friday, April 17, 1987 at 3:33 PM
1987-04-17 07:33 UTC · 35.672°, 139.997°
Magnitude
5.1 mw
Strong
Depth
81 km
Intermediate
Energy
674 tons of TNT
Gutenberg–Richter
Coordinates
35.672°, 139.997°
Felt reports
—
Tsunami
No
Source
USGS
Region
—
Can cause damage to buildings and infrastructure near the epicentre.
At 81 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 (~2539 km away). Last major event: 1934 Manila Trench Earthquake.
Area seismic-hazard score: 8/100 (low).
Data from USGS. Magnitudes and locations are preliminary and may be revised. For official information consult PHIVOLCS / USGS.