Wednesday, April 25, 1984 at 11:17 AM
1984-04-25 03:17 UTC · 5.158°, 123.643°
Magnitude
4.7 mb
Moderate
Depth
521 km
Deep
Energy
169 tons of TNT
Gutenberg–Richter
Coordinates
5.158°, 123.643°
Felt reports
—
Tsunami
No
Source
USGS
Region
Mindanao
Felt widely; can cause minor damage to weak structures.
At 521 km this was a deep earthquake. Deep quakes are felt over very large areas but rarely cause surface damage.
This event sits in the Moderate range of the moment magnitude scale.
Nearest mapped structure: Cotabato Trench (~2 km away).
Area seismic-hazard score: 39/100 (moderate).
Data from USGS. Magnitudes and locations are preliminary and may be revised. For official information consult PHIVOLCS / USGS.