Monday, October 21, 1974 at 12:12 PM
1974-10-21 04:12 UTC ยท -17.909ยฐ, -178.612ยฐ
Magnitude
6.0 mb
Major
Depth
602 km
Deep
Energy
15.1 kilotons of TNT
GutenbergโRichter
Coordinates
-17.909ยฐ, -178.612ยฐ
Felt reports
โ
Tsunami
No
Source
USGS
Region
โ
Can cause serious damage over larger areas.
At 602 km this was a deep earthquake. Deep quakes are felt over very large areas but rarely cause surface damage.
This event sits in the Major range of the moment magnitude scale.
Nearest mapped structure: Philippine Trench (~6532 km away). Last major event: 2012 Samar Earthquake (M7.6).
Area seismic-hazard score: 8/100 (low).
8 recorded M4.0+ events within 290 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.