Thursday, June 27, 1929 at 8:47 PM
1929-06-27 12:47 UTC ยท -55.373ยฐ, -29.345ยฐ
Magnitude
8.1 mw
Extreme
Depth
15 km
Shallow
Energy
21.3 megatons of TNT
GutenbergโRichter
Coordinates
-55.373ยฐ, -29.345ยฐ
Felt reports
โ
Tsunami
No
Source
USGS
Region
โ
Among the largest earthquakes ever recorded.
At 15 km this was a shallow earthquake. Shallow quakes concentrate shaking near the epicentre and tend to be the most damaging.
This event sits in the Extreme range of the moment magnitude scale.
Nearest mapped structure: Cotabato Trench (~13931 km away).
Area seismic-hazard score: 8/100 (low).
Data from USGS. Magnitudes and locations are preliminary and may be revised. For official information consult PHIVOLCS / USGS.