Tuesday, April 13, 1999 at 6:38 PM
1999-04-13 10:38 UTC · -21.422°, -176.460°
Magnitude
6.8 mwc
Major
Depth
164 km
Intermediate
Energy
239.0 kilotons of TNT
Gutenberg–Richter
Coordinates
-21.422°, -176.460°
Felt reports
—
Tsunami
No
Source
USGS
Region
—
Can cause serious damage over larger areas.
At 164 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 (~6874 km away). Last major event: 2012 Samar Earthquake (M7.6).
Area seismic-hazard score: 8/100 (low).
2 recorded M4.0+ events within 322 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.