Tuesday, August 28, 1973 at 5:50 PM
1973-08-28 09:50 UTC · 18.267°, -96.598°
Magnitude
6.8 mb
Major
Depth
84 km
Intermediate
Energy
239.0 kilotons of TNT
Gutenberg–Richter
Coordinates
18.267°, -96.598°
Felt reports
—
Tsunami
No
Source
USGS
Region
—
Can cause serious damage over larger areas.
At 84 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: Casiguran Fault (~14289 km away). Last major event: 1968 Casiguran Earthquake (M7.3).
Area seismic-hazard score: 8/100 (low).
No other recent earthquakes nearby.
Browse all earthquakes →Data from USGS. Magnitudes and locations are preliminary and may be revised. For official information consult PHIVOLCS / USGS.