Friday, March 14, 1975 at 2:45 AM
1975-03-13 18:45 UTC · -21.778°, 170.526°
Magnitude
6.1 mb
Major
Depth
85 km
Intermediate
Energy
21.3 kilotons of TNT
Gutenberg–Richter
Coordinates
-21.778°, 170.526°
Felt reports
—
Tsunami
No
Source
USGS
Region
—
Can cause serious damage over larger areas.
At 85 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 Major range of the moment magnitude scale.
Nearest mapped structure: Philippine Trench (~5550 km away). Last major event: 2012 Samar Earthquake (M7.6).
Area seismic-hazard score: 8/100 (low).
7 recorded M4.0+ events within 294 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.