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Second-Day Eruption of Mount Lewotobi Laki-Laki Grounds Flights, Blankets Villages

Authorities enforce a 7 km safety perimeter as they warn of dangerous lahar mudflows in rain-fed river valleys.

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​Indonesia’s Mount Lewotobi Laki-Laki erupted on Monday, releasing an ash cloud that soared approximately 18km into the sky. ​

Overview

  • Tuesday’s dawn eruption sent ash and lava 4 kilometers into the air, coating roads and rice fields across at least 10 villages on Flores Island.
  • More than 10,000 people in Nawakote, Klantanio, Hokeng Jaya, Boru, Pululera and Wulanggitang were affected by heavy ashfall, prompting mask distributions and school closures.
  • Two regional airports in Maumere and Larantuka remained closed for a second day, while Bali’s Ngurah Rai International Airport canceled dozens of international flights and delayed multiple domestic routes.
  • The volcano has been at the highest alert level since June 18, with a 7 km exclusion zone in effect to keep residents and tourists clear of pyroclastic flow and ash hazards.
  • Volcanology agencies recorded ongoing seismic unrest and pyroclastic flows traveling up to 5 km downslope as they reevaluate the danger zone and monitor eruption activity.