Monday, November 22, 1976 at 1:34 AM
1976-11-21 17:34 UTC · 3.745°, 128.131°
Magnitude
5.6 mb
Strong
Depth
77 km
Intermediate
Energy
3.8 kilotons of TNT
Gutenberg–Richter
Coordinates
3.745°, 128.131°
Felt reports
—
Tsunami
No
Source
USGS
Region
Philippine Sea
Can cause damage to buildings and infrastructure near the epicentre.
At 77 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: Philippine Trench (~156 km away). Last major event: 2012 Samar Earthquake (M7.6).
Area seismic-hazard score: 20/100 (low).
4 recorded M4.0+ events within 274 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.