Saturday, January 17, 1931 at 3:19 AM
1931-01-16 19:19 UTC · 16.107°, -96.414°
Magnitude
6.4 mw
Major
Depth
30 km
Shallow
Energy
54.1 kilotons of TNT
Gutenberg–Richter
Coordinates
16.107°, -96.414°
Felt reports
—
Tsunami
No
Source
USGS
Region
—
Can cause serious damage over larger areas.
At 30 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 Major range of the moment magnitude scale.
Nearest mapped structure: Casiguran Fault (~14457 km away). Last major event: 1968 Casiguran Earthquake (M7.3).
Area seismic-hazard score: 8/100 (low).
1 recorded M4.0+ event within 305 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.