Monday, April 20, 1987 at 6:56 PM
1987-04-20 10:56 UTC · -30.510°, -179.049°
Magnitude
5.2 mw
Strong
Depth
221 km
Intermediate
Energy
951 tons of TNT
Gutenberg–Richter
Coordinates
-30.510°, -179.049°
Felt reports
—
Tsunami
No
Source
USGS
Region
—
Can cause damage to buildings and infrastructure near the epicentre.
At 221 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: Philippine Trench (~7026 km away). Last major event: 2012 Samar Earthquake (M7.6).
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.