Friday, January 18, 1991 at 4:31 AM
1991-01-17 20:31 UTC · 24.037°, 122.600°
Magnitude
5.4 mb
Strong
Depth
21 km
Shallow
Energy
1.9 kilotons of TNT
Gutenberg–Richter
Coordinates
24.037°, 122.600°
Felt reports
—
Tsunami
No
Source
USGS
Region
—
Can cause damage to buildings and infrastructure near the epicentre.
At 21 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: Manila Trench (~432 km away). Last major event: 1934 Manila Trench Earthquake.
Area seismic-hazard score: 8/100 (low).
Data from USGS. Magnitudes and locations are preliminary and may be revised. For official information consult PHIVOLCS / USGS.