Monday, June 17, 1940 at 6:26 PM
1940-06-17 10:26 UTC ยท 20.115ยฐ, -154.487ยฐ
Magnitude
6.4 mw
Major
Depth
15 km
Shallow
Energy
68.9 kilotons of TNT
GutenbergโRichter
Coordinates
20.115ยฐ, -154.487ยฐ
Felt reports
โ
Tsunami
No
Source
USGS
Region
โ
Can cause serious damage over larger areas.
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 Major range of the moment magnitude scale.
Nearest mapped structure: Philippine Trench (~8490 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.