Wednesday, April 18, 1990 at 11:50 PM
1990-04-18 15:50 UTC ยท 1.337ยฐ, 122.846ยฐ
Magnitude
5.1 mb
Strong
Depth
33 km
Shallow
Energy
674 tons of TNT
GutenbergโRichter
Coordinates
1.337ยฐ, 122.846ยฐ
Felt reports
โ
Tsunami
No
Source
USGS
Region
โ
Can cause damage to buildings and infrastructure near the epicentre.
At 33 km this was a shallow earthquake. Shallow quakes concentrate shaking near the epicentre and tend to be the most damaging.
This event sits in the Strong range of the moment magnitude scale.
Nearest mapped structure: Cotabato Trench (~427 km away).
Area seismic-hazard score: 8/100 (low).
Data from USGS. Magnitudes and locations are preliminary and may be revised. For official information consult PHIVOLCS / USGS.