Tuesday, August 18, 1987 at 9:50 AM
1987-08-18 01:50 UTC · -6.924°, 129.705°
Magnitude
5.4 mw
Strong
Depth
138 km
Intermediate
Energy
1.9 kilotons of TNT
Gutenberg–Richter
Coordinates
-6.924°, 129.705°
Felt reports
—
Tsunami
No
Source
USGS
Region
—
Can cause damage to buildings and infrastructure near the epicentre.
At 138 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 (~1348 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.