Saturday, March 11, 1989 at 1:05 PM
1989-03-11 05:05 UTC · -17.766°, -174.761°
Magnitude
6.9 mw
Major
Depth
230 km
Intermediate
Energy
337.6 kilotons of TNT
Gutenberg–Richter
Coordinates
-17.766°, -174.761°
Felt reports
—
Tsunami
No
Source
USGS
Region
—
Can cause serious damage over larger areas.
At 230 km this was a intermediate earthquake. Intermediate-depth quakes spread shaking over a wider area but are usually less destructive at the surface.
This event sits in the Major range of the moment magnitude scale.
Nearest mapped structure: Philippine Trench (~6915 km away). Last major event: 2012 Samar Earthquake (M7.6).
Area seismic-hazard score: 8/100 (low).
17 recorded M4.0+ events within 326 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.