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Report on Lewotolok (Indonesia) — 6 March-12 March 2024


Lewotolok

Smithsonian Institution / US Geological Survey
Weekly Volcanic Activity Report, 6 March-12 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, 6 March-12 March 2024. Smithsonian Institution and US Geological Survey.

Weekly Report (6 March-12 March 2024)

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 6-10 March. White-and-gray ash plumes rose 100-600 m above the summit and drifted W, E, and SE on 6 March. The next day white, gray, and black ash plumes rose 100-800 m above the summit and drifted E and SE. White emissions rose 100-300 m and drifted E and SE on 8 March; no emissions were visible during 9-10 March. According to a news report the lava flows on the S and SE flanks were 600 m and 1.8 km long, respectively, as of 7 March and had not advanced. 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