Saturday, February 23, 1991 at 8:33 PM
1991-02-23 12:33 UTC ยท 36.270ยฐ, 70.645ยฐ
Magnitude
5.5 mw
Strong
Depth
155 km
Intermediate
Energy
2.7 kilotons of TNT
GutenbergโRichter
Coordinates
36.270ยฐ, 70.645ยฐ
Felt reports
โ
Tsunami
No
Source
USGS
Region
โ
Can cause damage to buildings and infrastructure near the epicentre.
At 155 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: Manila Trench (~4902 km away). Last major event: 1934 Manila Trench Earthquake.
Area seismic-hazard score: 8/100 (low).
5 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.