Friday, September 9, 1966 at 5:17 AM
1966-09-08 21:17 UTC · -22.047°, -176.091°
Magnitude
5.6 mw
Strong
Depth
149 km
Intermediate
Energy
4.1 kilotons of TNT
Gutenberg–Richter
Coordinates
-22.047°, -176.091°
Felt reports
—
Tsunami
No
Source
USGS
Region
—
Can cause damage to buildings and infrastructure near the epicentre.
At 149 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 (~6933 km away). Last major event: 2012 Samar Earthquake (M7.6).
Area seismic-hazard score: 8/100 (low).
2 recorded M4.0+ events within 275 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.