Sunday, July 4, 1971 at 7:44 AM
1971-07-03 23:44 UTC · -24.136°, -68.899°
Magnitude
5.5 mw
Strong
Depth
99 km
Intermediate
Energy
3.0 kilotons of TNT
Gutenberg–Richter
Coordinates
-24.136°, -68.899°
Felt reports
—
Tsunami
No
Source
USGS
Region
—
Can cause damage to buildings and infrastructure near the epicentre.
At 99 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 (~17379 km away). Last major event: 2012 Samar Earthquake (M7.6).
Area seismic-hazard score: 8/100 (low).
1 recorded M4.0+ event within 271 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.