Tuesday, February 23, 1988 at 3:13 AM
1988-02-22 19:13 UTC · -20.833°, -69.785°
Magnitude
6.7 mw
Major
Depth
70 km
Intermediate
Energy
169.2 kilotons of TNT
Gutenberg–Richter
Coordinates
-20.833°, -69.785°
Felt reports
—
Tsunami
No
Source
USGS
Region
—
Can cause serious damage over larger areas.
At 70 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 Major range of the moment magnitude scale.
Nearest mapped structure: Philippine Trench (~17567 km away). Last major event: 2012 Samar Earthquake (M7.6).
Area seismic-hazard score: 8/100 (low).
7 recorded M4.0+ events within 318 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.