Tuesday, April 25, 1978 at 2:05 PM
1978-04-25 06:05 UTC · 3.211°, 128.681°
Magnitude
4.7 mb
Moderate
Depth
207 km
Intermediate
Energy
169 tons of TNT
Gutenberg–Richter
Coordinates
3.211°, 128.681°
Felt reports
—
Tsunami
No
Source
USGS
Region
Philippine Sea
Felt widely; can cause minor damage to weak structures.
At 207 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 Moderate range of the moment magnitude scale.
Nearest mapped structure: Philippine Trench (~238 km away). Last major event: 2012 Samar Earthquake (M7.6).
Area seismic-hazard score: 10/100 (low).
Data from USGS. Magnitudes and locations are preliminary and may be revised. For official information consult PHIVOLCS / USGS.