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| Local date | 28 July 1883 |
|---|---|
| Local time | 20:25 CET |
| Magnitude | 4.2–5.5 Mw[1] |
| Depth | 1 km (0.62 mi)[2] |
| Epicenter | 40°42′N 13°54′E / 40.7°N 13.9°E |
| Type | Volcanic |
| Areas affected | Italy |
| Max. intensity | MMI XI (Extreme)[2] |
| Casualties | 2,313–3,100 dead, 762 injured |
The 1883 Casamicciola earthquake, also known as the Ischia earthquake occurred on 28 July at 20:25 local time (Central European Time) on the island of Ischia in the Gulf of Naples in Italy. Although the earthquake had an estimated moment magnitude (Mw) of 4.2–5.5, considered moderate in size,[3] it caused intense ground shaking that was assigned XI (Extreme) on the Modified Mercalli intensity scale. Between 2,313 and 3,100 people lost their lives. The city also suffered great property losses, with 80 percent of all homes destroyed.[4] This earthquake was exceptionally destructive for its magnitude mainly due to its shallow focal depth.
- ^ Cite error: The named reference
Cubelliswas invoked but never defined (see the help page). - ^ a b Cite error: The named reference
Brameriniwas invoked but never defined (see the help page). - ^ Boschi E.; Guidoboni E; Ferrari G.; Valensise G.; Gasperini P. (1997). "Catalogo dei forti terremoti in Italia dal 461 a.C. al 1980" [Catalog of strong earthquakes in Italy from 461 BC. to 1980]. Ing-Sga (in Italian). 2. Bologna, Italy: 644.
- ^ "Significant Earthquake Information". ngdc.noaa.gov. ITALY: ISCHIA IS: CASAMICCIOLA, FORINO, LACCO AMENO: NCEI. Retrieved 30 July 2021.