  | |
| Local date | November 25, 1833 |
|---|---|
| Local time | 22:00 |
| Magnitude | 8.8–9.2 Mw |
| Epicenter | 2°30′S 100°30′E / 2.5°S 100.5°E |
| Fault | Sunda megathrust |
| Areas affected | Sumatra, Dutch East Indies |
| Max. intensity | VIII (Heavily damaging)[1] |
| Tsunami | Yes |
| Casualties | Unknown |
The 1833 Sumatra earthquake occurred on November 25 at about 22:00 local time, with an estimated magnitude in the range of 8.8–9.2 Mw . It caused a large tsunami that flooded the southwestern coast of the island. There are no reliable records of the loss of life, with the casualties being described only as 'numerous'. The magnitude of this event has been estimated using records of uplift taken from coral microatolls.[2]
- ^ Cite error: The named reference
Martinwas invoked but never defined (see the help page). - ^ Natawidjaja, D. H.; Sieh K.; Chlieh M.; Galetzka J.; Suwargadi B.W.; Cheng H.; Edwards R.L.; Avouac J.-P. & Ward S. N. (2006). "Source parameters of the great Sumatran megathrust earthquakes of 1797 and 1833 inferred from coral microatolls" (PDF). Journal of Geophysical Research. 111 (B06403): n/a. Bibcode:2006JGRB..111.6403N. doi:10.1029/2005JB004025. hdl:10220/8480. Archived from the original (PDF) on 2014-10-31. Retrieved 2009-10-24.