Tuesday, October 31, 1978 at 7:21 PM
1978-10-31 11:21 UTC · 6.807°, 123.863°
Magnitude
5.4 mb
Strong
Depth
554 km
Deep
Energy
1.9 kilotons of TNT
Gutenberg–Richter
Coordinates
6.807°, 123.863°
Felt reports
—
Tsunami
No
Source
USGS
Region
Mindanao
Can cause damage to buildings and infrastructure near the epicentre.
At 554 km this was a deep earthquake. Deep quakes are felt over very large areas but rarely cause surface damage.
This event sits in the Strong range of the moment magnitude scale.
Nearest mapped structure: Cotabato Trench (~173 km away).
Area seismic-hazard score: 24/100 (moderate).
Data from USGS. Magnitudes and locations are preliminary and may be revised. For official information consult PHIVOLCS / USGS.