1946 Dominican Republic earthquake

Coordinates: 19°12′00″N 69°18′58″W / 19.2°N 69.316°W / 19.2; -69.316
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1946 Dominican Republic earthquake
The Septentrional-Oriente fault zone in the Caribbean and across Hispaniola
1946 Dominican Republic earthquake is located in the Dominican Republic
1946 Dominican Republic earthquake
UTC time1946-08-04 17:51:10
ISC event898498
USGS-ANSSComCat
Local dateAugust 4, 1946 (1946-08-04)
Local time13:51
Magnitude7.8 Mw
8.1 Ms
Depth15.0 km (9.3 mi)[1]
Epicenter19°12′00″N 69°18′58″W / 19.2°N 69.316°W / 19.2; -69.316
Areas affectedDominican Republic
Max. intensityMMI IX (Violent)[2]
Peak acceleration0.4 g (est) [2]
TsunamiYes
Casualties2,550

The 1946 Dominican Republic earthquake occurred on August 4 at 17:51 UTC near

surface wave magnitude scale.[4] An aftershock occurred four days later on August 8 at 13:28 UTC with a moment magnitude of 7.0.[5] A tsunami was generated by the initial earthquake and caused widespread devastation across Hispaniola. The tsunami was observed in much of the Caribbean and the northwestern Atlantic Ocean.[6][7][8][9]

A small tsunami was also recorded by tide gauges at

Daytona Beach, Florida and Atlantic City, New Jersey.[10]

See also

References

  1. ^ "M 7.8 - 16 km NNW of Miches, Dominican Republic". earthquake.usgs.gov. Retrieved 9 August 2022.
  2. ^
    doi:10.1785/BSSA0380010001
  3. ^ "M 7.8 - 16 km NNW of Miches, Dominican Republic". earthquake.usgs.gov. Retrieved 9 August 2022.
  4. ISBN 978-0-8137-2326-6
    .
  5. ^ "M 7.0 - 24 km NNW of Las Terrenas, Dominican Republic". earthquake.usgs.gov. Retrieved 9 August 2022.
  6. ^ "Northern Chile Rocked By Earthquake: West Indies Too". Morning Bulletin (Rockhampton, Qld. : 1878 - 1954). 6 August 1946. Retrieved 29 October 2019.
  7. USGS
    , Retrieved June 10, 2008
  8. Science Daily
    . Retrieved December 9, 2012.
  9. ISBN 978-1-4020-1717-9
  10. ^ Lander, James F.; Lockridge, Patricia A. (1989). United States Tsunamis, (including United States possessions) 1690–1988: Publication 41-2 (PDF). United States Department of Commerce. pp. 219, 220.

Further reading

External links
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