Friday, March 22, 1991 at 4:08 AM
1991-03-21 20:08 UTC · -20.878°, -177.930°
Magnitude
5.4 mw
Strong
Depth
527 km
Deep
Energy
1.9 kilotons of TNT
Gutenberg–Richter
Coordinates
-20.878°, -177.930°
Felt reports
—
Tsunami
No
Source
USGS
Region
—
Can cause damage to buildings and infrastructure near the epicentre.
At 527 km this was a deep earthquake. Deep quakes are felt over very large areas but rarely cause surface damage.
This event sits in the Strong range of the moment magnitude scale.
Nearest mapped structure: Philippine Trench (~6710 km away). Last major event: 2012 Samar Earthquake (M7.6).
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.