Wednesday, June 21, 1978 at 12:51 AM
1978-06-20 16:51 UTC · 8.489°, 126.401°
Magnitude
4.8 mb
Moderate
Depth
76 km
Intermediate
Energy
239 tons of TNT
Gutenberg–Richter
Coordinates
8.489°, 126.401°
Felt reports
—
Tsunami
No
Source
USGS
Region
Mindanao
Felt widely; can cause minor damage to weak structures.
At 76 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 (~30 km away). Last major event: 2012 Samar Earthquake (M7.6).
Area seismic-hazard score: 52/100 (high).
Data from USGS. Magnitudes and locations are preliminary and may be revised. For official information consult PHIVOLCS / USGS.