Our website is made possible by displaying online advertisements to our visitors.
Please consider supporting us by disabling your ad blocker.
1946 Dominican Republic earthquake
 The Septentrional-Oriente fault zone in the Caribbean and across Hispaniola | |
  | |
| UTC time | 1946-08-04 17:51:10 |
|---|---|
| ISC event | 898498 |
| USGS-ANSS | ComCat |
| Local date | August 4, 1946 |
| Local time | 13:51 |
| Magnitude | 7.8 Mw 8.1 Ms |
| Depth | 15.0 km (9.3 mi)[1] |
| Epicenter | 19°12′00″N 69°18′58″W / 19.2°N 69.316°W |
| Areas affected | Dominican Republic |
| Max. intensity | MMI IX (Violent)[2] |
| Peak acceleration | 0.4 g (est)[2] |
| Tsunami | Yes |
| Casualties | 2,550 |
The 1946 Dominican Republic earthquake occurred on August 4 at 17:51 UTC near Samaná, Dominican Republic. The mainshock measured 7.8 on the moment magnitude scale[3] and 8.1 on the 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 San Juan in Puerto Rico, Bermuda and in the United States at Daytona Beach, Florida and Atlantic City, New Jersey.[10]
- ^ "M 7.8 – 16 km NNW of Miches, Dominican Republic". United States Geological Survey. Retrieved 9 August 2022.
- ^ a b Cite error: The named reference
Lynchwas invoked but never defined (see the help page). - ^ "M 7.8 – 16 km NNW of Miches, Dominican Republic". United States Geological Survey. Retrieved 9 August 2022.
- ^ Cite error: The named reference
Dolanwas invoked but never defined (see the help page). - ^ "M 7.0 – 24 km NNW of Las Terrenas, Dominican Republic". United States Geological Survey. Retrieved 9 August 2022.
- ^ "Northern Chile Rocked By Earthquake: West Indies Too". Morning Bulletin (Rockhampton, Qld. : 1878 – 1954). 6 August 1946. Retrieved 29 October 2019.
- ^ Historic Earthquakes: Samana, Dominican Republic 1946 Archived 2008-06-02 at the Wayback Machine, USGS, Retrieved June 10, 2008
- ^ Woods Hole Oceanographic Institution (February 8, 2005). "Major Caribbean Earthquakes And Tsunamis A Real Risk". Science Daily. Retrieved December 9, 2012.
- ^ O'Loughlin, Karen Fay; Lander, James F. (2003), Caribbean tsunamis: a 500-year history from 1498–1998, Boston: Kluwer, p. 82, ISBN 978-1-4020-1717-9
- ^ 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.
Previous Page Next Page
