<div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>Mount Lewotobi Laki Laki, one of </span><a href="https://www.9news.com.au/indonesia" rel="" target="" title="Indonesia"><span>Indonesia</span></a><span>'s most active </span><a href="https://www.9news.com.au/volcano" rel="" target="" title="volcanoes"><span>volcanoes</span></a><span>, erupted for a second straight day, sending a column of volcanic materials and ash up to 18 kilometres into the sky early on Saturday and blanketing villages with debris.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>No casualties were immediately reported.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>Another eruption on Friday evening had sent clouds of ash up to 10 kilometres high and had lit up the night sky with glowing lava and bolts of lightning.</span></div></div><div><div id="adspot-mobile-medium"></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>The two eruptions happened in a span of less than five hours.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><strong><span>READ MORE: </span></strong><a href="https://www.9news.com.au/national/perth-news-hundreds-of-homes-left-without-electricity-for-hours-after-car-crashes-into-power-pole/6e2a2137-8426-408a-957a-9891373c1312"><strong><span>Hundreds of Perth homes left without electricity for hours after horror crash</span></strong></a></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>Indonesia's Geology Agency recorded an avalanche of searing gas clouds mixed with rocks and lava traveling up to 5 kilometres down the slopes of the mountain.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>Drone observations showed deep movement of magma, setting off tremors that registered on seismic monitors.</span></div></div><div><div class="OUTBRAIN" data-reactroot="" data-src="//www.9news.com.au/world/mount-lewotobi-laki-laki-indonesian-volcano-erupts-again-spewing-giant-ash-plumes-miles-away/4de91a7c-3411-4432-b800-0cb43feb1797" data-widget-id="AR_5"></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>Volcanic material, including hot thumb-sized gravel, was thrown up to 8 kilometres from the crater, covering nearby villages and towns with thick volcanic residue, the agency said. It asked residents to be vigilant about heavy rainfall that could trigger lava flows in rivers originating from the volcano.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>Saturday's eruption was one of Indonesia's largest since 2010 when Mount Merapi, the country's most volatile volcano, erupted on the densely populated island of Java. That eruption killed more than 350 people and forced hundreds of thousands to evacuate.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>It also came less than a month after a major eruption on July 7 forced the delay or cancellation of dozens of flights at Bali's Ngurah Rai airport, and covered roads and rice fields with thick, gray mud and rocks.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>Lewotobi Laki Laki, a 1584-metre volcano on the remote island of Flores, has been at the highest alert level since it erupted on June 18, and an exclusion zone has been doubled to a 7-kilometre radius as eruptions became more frequent.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>The Indonesian government has permanently relocated thousands of residents after a series of eruptions there killed nine people and destroyed thousands of homes in November.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>Indonesia is an archipelago of more than 280 million people with frequent seismic activity.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>It has 120 active volcanoes and sits along the "Ring of Fire", a horseshoe-shaped series of seismic fault lines encircling the Pacific Basin.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><a href="https://www.9news.com.au/national/how-to-follow-9news-digital/29855bb1-ad3d-4c38-bc25-3cb52af1216f" target="_blank"><strong><em><span>DOWNLOAD THE 9NEWS APP</span></em></strong></a><strong><em><span>:</span></em></strong><span> </span><em><strong><span>Stay across all the latest in breaking news, sport, politics and the weather via our news app and get notifications sent straight to your smartphone. 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