Sunday, April 3, 1983 at 12:09 AM
1983-04-02 16:09 UTC · 4.735°, 127.880°
Magnitude
4.9 mb
Moderate
Depth
94 km
Intermediate
Energy
338 tons of TNT
Gutenberg–Richter
Coordinates
4.735°, 127.880°
Felt reports
—
Tsunami
No
Source
USGS
Region
Philippine Sea
Felt widely; can cause minor damage to weak structures.
At 94 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 Moderate range of the moment magnitude scale.
Nearest mapped structure: Philippine Trench (~51 km away). Last major event: 2012 Samar Earthquake (M7.6).
Area seismic-hazard score: 34/100 (moderate).
Data from USGS. Magnitudes and locations are preliminary and may be revised. For official information consult PHIVOLCS / USGS.