Lewotolo Volcano
Lewotolo (or Ile Api Lewotolok) volcano on the eastern end of a peninsula of Lembata (formerly Lomblen) Island forms a perfect symmetrical cone. The stratovolcano has 2 craters of 900x800 m and 250x200 m in diameter.
Many lava flows have reached the coastline. Historical eruptions, recorded since 1660, have consisted of explosive activity from the summit crater.
Lewotolo volcano eruptions: 2012, 1951, 1920, 1899, 1864, 1852, 1849, 1819, 1660
Latest nearby earthquakes
| Date and Time | Mag / Depth | Distance / Location | |||
|---|---|---|---|---|---|
| Jun 16, 03:25 pm (Universal Time) | 2.2 10 km | 29 km (18 mi) to the E | Savu Sea, 28 km east of Pulau Kawula Island, East Nusa Tenggara, Indonesia | Info | |
| Jun 16, 11:08 pm (GMT +8) | 2.1 21 km | 12 km (7.6 mi) to the SE | Kabupaten Lembata, 205 km north of Kupang, Indonesia | Info | |
| Jun 16, 11:03 pm (GMT +8) | 2.3 10 km | 27 km (17 mi) to the E | Flores Region, Indonesia | Info | |
| Jun 16, 02:54 pm (Universal Time) | 2.0 10 km | 9.6 km (5.9 mi) to the E | Kabupaten Lembata, 209 km north of Kupang, Indonesia | Info | |
| Monday, June 9, 2025 GMT (2 quakes) | |||||
| Jun 9, 05:47 pm (GMT +8) | 2.5 10 km | 21 km (13 mi) to the S | Kabupaten Lembata, 191 km north of Kupang, Indonesia | Info | |
| Jun 9, 05:03 pm (GMT +8) | 2.4 10 km | 22 km (14 mi) to the S | Kabupaten Lembata, 189 km north of Kupang, Indonesia | Info | |
Background
Lewotolo's lavas are remarkable because they contain the rare mineral zirconolite (CaZrTi2O7).Source/literature:
"Volatile-induced transport of HFSE, REE, Th and U in arc magmas: evidence from zirconolite-bearing vesicles in potassic lavas of Lewotolo volcano (Indonesia)" Jan C. M. de Hoog and Manfred J. van Bergen, Contributions to Mineralogy and Petrology, Volume 139, Number 4, 485-502
Lewotolo Volcano Photos
Significant volcanic eruptions: Lewotolo volcano
| Date | Note | VEI | Deaths | Damage | |
|---|---|---|---|---|---|
Historical obs./docs. | 2 | ||||
| Summit crater Historical obs./docs. | 1 | ||||
Historical obs./docs. | 2 | ||||
Historical obs./docs. | 2 | ||||
Historical obs./docs. | 2 | ||||
Historical obs./docs. | 2 | ||||
| K2 crater Historical obs./docs. | 2 | ||||
Historical obs./docs. | 2 | ||||
Historical obs./docs. | 2 | ||||
Historical obs./docs. | 3 | ||||
Lewotolo Volcano FAQ
+When was the last eruption of Lewotolo volcano?
The last confirmed eruption of Lewotolo occurred during 2020 - 2024.
+How often does Lewotolo volcano erupt?
Since 1660 AD, Lewotolo volcano has had at least 10 historically documented eruptions. This means that it erupts on average every 36.5 years.
Many eruptions of Lewotolo have lasted more than one year. In total, the volcano has been in eruption during 14 out of 365 years until now. In other words, Lewotolo has been active at least one in 26.1 years on average. Note that this value is likely an underestimate, because the known history of eruptions from Lewotolo is likely incomplete, especially further back in time.
+How active is Lewotolo volcano at present?
Lewotolo volcano is infrequently active: Since 1900, it has had 8 eruptions, and been active during 8 years out of 126 as of now. This means, Lewotolo has been in eruption one in 15.8 years on average. The last eruption was from 2020 until 2024 and ended 10 months ago.
+When was the largest eruption of Lewotolo volcano?
The largest eruption of Lewotolo volcano in historic times occurred in 1660 AD. It ranks as a "vulcanian" eruption with a magnitude 3 on the VEI (Volcanic Explosivity Index) scale.
Latest satellite images
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Lewotolo Volcano Maps
