Friday, February 24, 1989 at 4:40 AM
1989-02-23 20:40 UTC · -17.665°, -178.601°
Magnitude
5.5 mb
Strong
Depth
539 km
Deep
Energy
2.7 kilotons of TNT
Gutenberg–Richter
Coordinates
-17.665°, -178.601°
Felt reports
—
Tsunami
No
Source
USGS
Region
—
Can cause damage to buildings and infrastructure near the epicentre.
At 539 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 (~6524 km away). Last major event: 2012 Samar Earthquake (M7.6).
Area seismic-hazard score: 8/100 (low).
8 recorded M4.0+ events within 270 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.