Thursday, December 29, 1949 at 11:03 AM
1949-12-29 03:03 UTC ยท 17.439ยฐ, 121.538ยฐ
Magnitude
7.2 mw
Great
Depth
15 km
Shallow
Energy
984.9 kilotons of TNT
GutenbergโRichter
Coordinates
17.439ยฐ, 121.538ยฐ
Felt reports
โ
Tsunami
No
Source
USGS
Region
Luzon
Can cause severe, widespread destruction and loss of life.
At 15 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 (~115 km away). Last major event: 1968 Casiguran Earthquake (M7.3).
Area seismic-hazard score: 44/100 (high).
1 recorded M4.0+ event within 338 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.