Tuesday, June 21, 1983 at 11:49 PM
1983-06-21 15:49 UTC · 6.268°, 125.192°
Magnitude
4.9 mb
Moderate
Depth
335 km
Deep
Energy
338 tons of TNT
Gutenberg–Richter
Coordinates
6.268°, 125.192°
Felt reports
—
Tsunami
No
Source
USGS
Region
Mindanao
Felt widely; can cause minor damage to weak structures.
At 335 km this was a deep earthquake. Deep quakes are felt over very large areas but rarely cause surface damage.
This event sits in the Moderate range of the moment magnitude scale.
Nearest mapped structure: Cotabato Trench (~88 km away).
Area seismic-hazard score: 53/100 (high).
Data from USGS. Magnitudes and locations are preliminary and may be revised. For official information consult PHIVOLCS / USGS.