Report on Lewotolok (Indonesia) — 13 March-19 March 2024
Smithsonian Institution / US Geological Survey
Weekly Volcanic Activity Report, 13 March-19 March 2024
Managing Editor: Sally Sennert.
Please cite this report as:
Global Volcanism Program, 2024. Report on Lewotolok (Indonesia) (Sennert, S, ed.). Weekly Volcanic Activity Report, 13 March-19 March 2024. Smithsonian Institution and US Geological Survey.
Lewotolok
Indonesia
8.274°S, 123.508°E; summit elev. 1431 m
All times are local (unless otherwise noted)
PVMBG reported that the eruption at Lewotolok continued during 13-19 March. White steam-and-gas plumes rose 50-200 m above the summit and drifted E and SE on 15, 17, and 19 March; emissions were not visible on the other days. According to a news report the lava flows on the S and SE flanks remained at 600 m and 1.8 km long, respectively, and had not advanced, though lava effusion was ongoing. Strombolian explosions continued through at least 15 March, ejecting incandescent material as far as 500 m from the crater. The Alert Level remained at 3 (on a scale of 1-4) and the public was warned to stay 2 km away from the vent and 3 km away from the vent on the S and SE flank.
Geological Summary. The Lewotolok (or Lewotolo) stratovolcano occupies the eastern end of an elongated peninsula extending north into the Flores Sea, connected to Lembata (formerly Lomblen) Island by a narrow isthmus. It is symmetrical when viewed from the north and east. A small cone with a 130-m-wide crater constructed at the SE side of a larger crater forms the volcano's high point. Many lava flows have reached the coastline. Eruptions recorded since 1660 have consisted of explosive activity from the summit crater.
Sources: Pusat Vulkanologi dan Mitigasi Bencana Geologi (PVMBG, also known as CVGHM), Antara News