Monday, June 21, 1999 at 12:25 AM
1999-06-20 16:25 UTC · 6.257°, 124.204°
Magnitude
4.2 mb
Moderate
Depth
542 km
Deep
Energy
30 tons of TNT
Gutenberg–Richter
Coordinates
6.257°, 124.204°
Felt reports
—
Tsunami
No
Source
USGS
Region
Mindanao
Felt widely; can cause minor damage to weak structures.
At 542 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 (~115 km away).
Area seismic-hazard score: 31/100 (moderate).
Data from USGS. Magnitudes and locations are preliminary and may be revised. For official information consult PHIVOLCS / USGS.