Wednesday, October 12, 1983 at 11:57 AM
1983-10-12 03:57 UTC · 5.631°, 126.275°
Magnitude
4.8 mb
Moderate
Depth
122 km
Intermediate
Energy
239 tons of TNT
Gutenberg–Richter
Coordinates
5.631°, 126.275°
Felt reports
—
Tsunami
No
Source
USGS
Region
Mindanao
Felt widely; can cause minor damage to weak structures.
At 122 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 (~90 km away). Last major event: 2012 Samar Earthquake (M7.6).
Area seismic-hazard score: 45/100 (high).
Data from USGS. Magnitudes and locations are preliminary and may be revised. For official information consult PHIVOLCS / USGS.