Thursday, January 27, 1983 at 12:02 AM
1983-01-26 16:02 UTC ยท -30.383ยฐ, -179.339ยฐ
Magnitude
7.0 mw
Great
Depth
238 km
Intermediate
Energy
476.9 kilotons of TNT
GutenbergโRichter
Coordinates
-30.383ยฐ, -179.339ยฐ
Felt reports
โ
Tsunami
No
Source
USGS
Region
โ
Can cause severe, widespread destruction and loss of life.
At 238 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 Great range of the moment magnitude scale.
Nearest mapped structure: Philippine Trench (~6994 km away). Last major event: 2012 Samar Earthquake (M7.6).
Area seismic-hazard score: 8/100 (low).
7 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.