Monday, April 17, 1989 at 3:48 AM
1989-04-16 19:48 UTC · -21.039°, -178.942°
Magnitude
6.3 mw
Major
Depth
610 km
Deep
Energy
42.5 kilotons of TNT
Gutenberg–Richter
Coordinates
-21.039°, -178.942°
Felt reports
—
Tsunami
No
Source
USGS
Region
—
Can cause serious damage over larger areas.
At 610 km this was a deep earthquake. Deep quakes are felt over very large areas but rarely cause surface damage.
This event sits in the Major range of the moment magnitude scale.
Nearest mapped structure: Philippine Trench (~6618 km away). Last major event: 2012 Samar Earthquake (M7.6).
Area seismic-hazard score: 8/100 (low).
8 recorded M4.0+ events within 302 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.