Wednesday, February 27, 1963 at 4:14 AM
1963-02-26 20:14 UTC ยท -7.523ยฐ, 146.308ยฐ
Magnitude
7.5 mw
Great
Depth
187 km
Intermediate
Energy
2.7 megatons of TNT
GutenbergโRichter
Coordinates
-7.523ยฐ, 146.308ยฐ
Felt reports
โ
Tsunami
No
Source
USGS
Region
โ
Can cause severe, widespread destruction and loss of life.
At 187 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 (~2509 km away). Last major event: 2012 Samar Earthquake (M7.6).
Area seismic-hazard score: 8/100 (low).
1 recorded M4.0+ event within 350 km in the 90 days after this earthquake.
No other recent earthquakes nearby.
Browse all earthquakes โData from USGS. Magnitudes and locations are preliminary and may be revised. For official information consult PHIVOLCS / USGS.