Thursday, April 8, 1999 at 7:30 PM
1999-04-08 11:30 UTC ยท -0.155ยฐ, 122.909ยฐ
Magnitude
5.5 mwc
Strong
Depth
92 km
Intermediate
Energy
2.7 kilotons of TNT
GutenbergโRichter
Coordinates
-0.155ยฐ, 122.909ยฐ
Felt reports
โ
Tsunami
No
Source
USGS
Region
โ
Can cause damage to buildings and infrastructure near the epicentre.
At 92 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 Strong range of the moment magnitude scale.
Nearest mapped structure: Cotabato Trench (~586 km away).
Area seismic-hazard score: 8/100 (low).
3 recorded M4.0+ events within 270 km in the 90 days after this earthquake.
Data from USGS. Magnitudes and locations are preliminary and may be revised. For official information consult PHIVOLCS / USGS.