Saturday, October 17, 1987 at 2:37 PM
1987-10-17 06:37 UTC · -56.058°, -27.209°
Magnitude
5.5 mw
Strong
Depth
95 km
Intermediate
Energy
2.7 kilotons of TNT
Gutenberg–Richter
Coordinates
-56.058°, -27.209°
Felt reports
—
Tsunami
No
Source
USGS
Region
—
Can cause damage to buildings and infrastructure near the epicentre.
At 95 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 (~13793 km away).
Area seismic-hazard score: 8/100 (low).
11 recorded M4.0+ events within 270 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.