Thursday, January 22, 1987 at 1:33 PM
1987-01-22 05:33 UTC ยท -18.830ยฐ, -175.736ยฐ
Magnitude
5.6 mw
Strong
Depth
269 km
Intermediate
Energy
3.8 kilotons of TNT
GutenbergโRichter
Coordinates
-18.830ยฐ, -175.736ยฐ
Felt reports
โ
Tsunami
No
Source
USGS
Region
โ
Can cause damage to buildings and infrastructure near the epicentre.
At 269 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 (~6852 km away). Last major event: 2012 Samar Earthquake (M7.6).
Area seismic-hazard score: 8/100 (low).
7 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.