Sunday, December 18, 1921 at 11:29 PM
1921-12-18 15:29 UTC · -3.918°, -71.520°
Magnitude
7.3 mw
Great
Depth
540 km
Deep
Energy
1.3 megatons of TNT
Gutenberg–Richter
Coordinates
-3.918°, -71.520°
Felt reports
—
Tsunami
No
Source
USGS
Region
—
Can cause severe, widespread destruction and loss of life.
At 540 km this was a deep earthquake. Deep quakes are felt over very large areas but rarely cause surface damage.
This event sits in the Great range of the moment magnitude scale.
Nearest mapped structure: Philippine Trench (~17915 km away). Last major event: 2012 Samar Earthquake (M7.6).
Area seismic-hazard score: 8/100 (low).
1 recorded M4.0+ event within 342 km in the 90 days after this earthquake.
No other recent earthquakes nearby.
Browse all earthquakes →Data from USGS. Magnitudes and locations are preliminary and may be revised. For official information consult PHIVOLCS / USGS.