Wednesday, December 12, 1984 at 7:22 AM
1984-12-11 23:22 UTC · -22.407°, -68.599°
Magnitude
6.4 mw
Major
Depth
92 km
Intermediate
Energy
60.0 kilotons of TNT
Gutenberg–Richter
Coordinates
-22.407°, -68.599°
Felt reports
—
Tsunami
No
Source
USGS
Region
—
Can cause serious damage over larger areas.
At 92 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 (~17539 km away). Last major event: 2012 Samar Earthquake (M7.6).
Area seismic-hazard score: 8/100 (low).
7 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.