1871 Lānaʻi earthquake
| UTC time | 1871-02-20 08:45:00 |
|---|---|
| USGS-ANSS | ComCat |
| Local date | 19 February 1871 |
| Local time | 22:11 HST |
| Magnitude | 7.5 Mw |
| Epicenter | 20°42′N 156°00′W / 20.7°N 156.0°W |
| Type | Unknown |
| Areas affected | Hawaii |
| Total damage | Moderate |
| Max. intensity | MMI VIII (Severe) – MMI XI (Extreme) |
| Tsunami | Uncertain |
| Landslides | Yes |
| Aftershocks | Yes |
An earthquake struck near the Hawaiian island of Lanai on February 19, at 10:11 pm HST with an estimated magnitude of 7.5 on the moment magnitude scale (Mw ). It remains one of the largest seismic event to hit the Hawaiian Islands since the 1868 Kaʻū earthquake, with its effects being felt throughout the entire archipelago. It caused severe damage on the islands of Lanai, Molokai and Maui. A tsunami may have been generated however there are speculations if it had actually happened. Despite the size of the quake and the extent of damage, there were no deaths.