1575 Valdivia earthquake
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1575 Valdivia earthquake
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| Date | December 16, 1575 |
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| Magnitude | 8.5[1] |
| Epicenter | 39°48′S 73°12′W / 39.8°S 73.2°WCoordinates: 39°48′S 73°12′W / 39.8°S 73.2°W |
| Countries or regions | Valdivia,  Chile |
| Casualties | unknown |
The 1575 Valdivia earthquake was an earthquake in Chile that caused the subsequent flood of Valdivia much like the 1960 Valdivia earthquake caused the ensuing Riñihuazo flooding. It occurred at 14:30 local time on December 16, 1575.[2] It had an estimated magnitude of 8.5 on the surface wave magnitude scale. Pedro Mariño de Lobera, who was corregidor of Valdivia by that time, wrote that the waters of the river opened like the Red Sea, one part flowing upstream and one downstream. Mariño de Lobera also evacuated the city until the dam at Laguna de Anigua (nowadays Riñihue Lake) burst. At that moment he wrote that, while many Indians died, no Spaniards did, as the settlement of Valdivia was moved temporarily away from the riverside.
The epicenter was approximately 39°48′00″S 73°12′00″W / 39.8°S 73.2°W.
References
- ^ NGDC. "Comments for the Significant Earthquake". http://www.ngdc.noaa.gov/nndc/struts/results?eq_0=767&t=101650&s=13&d=22,26,13,12&nd=display. Retrieved 17 December 2010."Fields marked UNK are unknown", 16th line from bottom
- ^ Servicio Sismológico Universidad de Chile. "Sismos Importantes y/o Destructivos (1570 - a la Fecha) ( Magnitud Ms mayor o igual a 7.0 )" (in Spanish). http://www.sismologia.cl/seismo.html. Retrieved 17 December 2010.
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