Wednesday, November 21, 1928 at 4:35 AM
1928-11-20 20:35 UTC ยท -23.157ยฐ, -70.057ยฐ
Magnitude
7.0 mw
Great
Depth
45 km
Shallow
Energy
528.9 kilotons of TNT
GutenbergโRichter
Coordinates
-23.157ยฐ, -70.057ยฐ
Felt reports
โ
Tsunami
No
Source
USGS
Region
โ
Can cause severe, widespread destruction and loss of life.
At 45 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 Great range of the moment magnitude scale.
Nearest mapped structure: Philippine Trench (~17374 km away). Last major event: 2012 Samar Earthquake (M7.6).
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.