Wednesday, December 8, 1999 at 5:29 AM
1999-12-07 21:29 UTC · -15.911°, -173.984°
Magnitude
6.4 mwc
Major
Depth
138 km
Intermediate
Energy
60.0 kilotons of TNT
Gutenberg–Richter
Coordinates
-15.911°, -173.984°
Felt reports
—
Tsunami
No
Source
USGS
Region
—
Can cause serious damage over larger areas.
At 138 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 (~6936 km away). Last major event: 2012 Samar Earthquake (M7.6).
Area seismic-hazard score: 8/100 (low).
6 recorded M4.0+ events within 306 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.