Wednesday, October 19, 1977 at 3:42 PM
1977-10-19 07:42 UTC · -18.144°, -175.238°
Magnitude
5.1 mb
Strong
Depth
259 km
Intermediate
Energy
674 tons of TNT
Gutenberg–Richter
Coordinates
-18.144°, -175.238°
Felt reports
—
Tsunami
No
Source
USGS
Region
—
Can cause damage to buildings and infrastructure near the epicentre.
At 259 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 (~6879 km away). Last major event: 2012 Samar Earthquake (M7.6).
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.