Sunday, October 30, 1977 at 4:15 AM
1977-10-29 20:15 UTC · -6.220°, 146.637°
Magnitude
5.9 mb
Strong
Depth
106 km
Intermediate
Energy
10.7 kilotons of TNT
Gutenberg–Richter
Coordinates
-6.220°, 146.637°
Felt reports
—
Tsunami
No
Source
USGS
Region
—
Can cause damage to buildings and infrastructure near the epicentre.
At 106 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 (~2464 km away). Last major event: 2012 Samar Earthquake (M7.6).
Area seismic-hazard score: 8/100 (low).
9 recorded M4.0+ events within 286 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.