  | |
| Local date | 16 February 1861 |
|---|---|
| Magnitude | 8.5 Mw |
| Epicenter | 1°00′N 97°30′E / 1.0°N 97.5°E |
| Fault | Sunda megathrust |
| Areas affected | Sumatra, Dutch East Indies |
| Max. intensity | VIII (Heavily damaging)[1] |
| Tsunami | yes |
| Casualties | several thousand[2] |
The 1861 Sumatra earthquake occurred on 16 February and was the last in a sequences of earthquakes that ruptured adjacent parts of the Sumatran segment of the Sunda megathrust. It caused a devastating tsunami which led to several thousand fatalities. The earthquake was felt as far away as the Malay peninsula and the eastern part of Java.[3] The rupture area for the 2005 Nias–Simeulue earthquake is similar to that estimated for the 1861 event.
- ^ Cite error: The named reference
Martinwas invoked but never defined (see the help page). - ^ Tsunami Laboratory. "Destructive historical tsunamis at the western coast of Sumatra". Archived from the original on 3 October 2009. Retrieved 2009-11-06.
- ^ Newcomb, K.R.; McCann W.R. (1987). "Seismic history and seismotectonics of the Sunda Arc" (PDF). Journal of Geophysical Research. 92 (B1): 421–439. Bibcode:1987JGR....92..421N. doi:10.1029/JB092iB01p00421. Retrieved 2009-11-06.
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