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.
Data from USGS. Magnitudes and locations are preliminary and may be revised. For official information consult PHIVOLCS / USGS.