Tuesday, November 29, 1977 at 2:40 AM
1977-11-28 18:40 UTC · -32.032°, -69.084°
Magnitude
5.5 mb
Strong
Depth
86 km
Intermediate
Energy
2.7 kilotons of TNT
Gutenberg–Richter
Coordinates
-32.032°, -69.084°
Felt reports
—
Tsunami
No
Source
USGS
Region
—
Can cause damage to buildings and infrastructure near the epicentre.
At 86 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 (~16673 km away). Last major event: 2012 Samar Earthquake (M7.6).
Area seismic-hazard score: 8/100 (low).
18 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.