Sunday, December 11, 1977 at 7:11 AM
1977-12-10 23:11 UTC · 47.592°, 152.838°
Magnitude
5.2 mb
Strong
Depth
128 km
Intermediate
Energy
951 tons of TNT
Gutenberg–Richter
Coordinates
47.592°, 152.838°
Felt reports
—
Tsunami
No
Source
USGS
Region
—
Can cause damage to buildings and infrastructure near the epicentre.
At 128 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 (~4142 km away). Last major event: 1934 Manila Trench Earthquake.
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.