Tuesday, August 2, 1983 at 10:17 AM
1983-08-02 02:17 UTC · 20.435°, 122.101°
Magnitude
6.3 mw
Major
Depth
158 km
Intermediate
Energy
42.5 kilotons of TNT
Gutenberg–Richter
Coordinates
20.435°, 122.101°
Felt reports
—
Tsunami
No
Source
USGS
Region
Luzon
Can cause serious damage over larger areas.
At 158 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: Manila Trench (~354 km away). Last major event: 1934 Manila Trench Earthquake.
Area seismic-hazard score: 8/100 (low).
17 recorded M4.0+ events within 302 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.