Wednesday, September 16, 1987 at 1:14 AM
1987-09-15 17:14 UTC · -56.670°, -26.190°
Magnitude
5.6 mb
Strong
Depth
85 km
Intermediate
Energy
3.8 kilotons of TNT
Gutenberg–Richter
Coordinates
-56.670°, -26.190°
Felt reports
—
Tsunami
No
Source
USGS
Region
—
Can cause damage to buildings and infrastructure near the epicentre.
At 85 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: Cotabato Trench (~13701 km away).
Area seismic-hazard score: 8/100 (low).
12 recorded M4.0+ events within 274 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.