Friday, December 2, 1983 at 11:09 AM
1983-12-02 03:09 UTC ยท 14.066ยฐ, -91.924ยฐ
Magnitude
7.0 mw
Great
Depth
67 km
Shallow
Energy
476.9 kilotons of TNT
GutenbergโRichter
Coordinates
14.066ยฐ, -91.924ยฐ
Felt reports
โ
Tsunami
No
Source
USGS
Region
โ
Can cause severe, widespread destruction and loss of life.
At 67 km this was a shallow earthquake. Shallow quakes concentrate shaking near the epicentre and tend to be the most damaging.
This event sits in the Great range of the moment magnitude scale.
Nearest mapped structure: Casiguran Fault (~14972 km away). Last major event: 1968 Casiguran Earthquake (M7.3).
Area seismic-hazard score: 8/100 (low).
5 recorded M4.0+ events within 330 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.