Wednesday, November 21, 1973 at 8:05 PM
1973-11-21 12:05 UTC · 13.452°, 121.015°
Magnitude
5.1 mb
Strong
Depth
39 km
Shallow
Energy
674 tons of TNT
Gutenberg–Richter
Coordinates
13.452°, 121.015°
Felt reports
—
Tsunami
No
Source
USGS
Region
Luzon
Can cause damage to buildings and infrastructure near the epicentre.
At 39 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 Strong range of the moment magnitude scale.
Nearest mapped structure: Philippine Fault Zone (~76 km away). Last major event: 1990 Luzon Earthquake (M7.8).
Area seismic-hazard score: 100/100 (very high).
Data from USGS. Magnitudes and locations are preliminary and may be revised. For official information consult PHIVOLCS / USGS.