<p>Indonesia's Mount Merapi volcano on Java island erupted on Wednesday, sending up a cloud of ash and prompting authorities to warn of the risk of lava flows reaching roads, officials said.</p>.<p>The 2,963 m (9,721 ft) high Merapi is one of Indonesia's most active volcanoes and is already on the country's second-highest alert level.</p>.<p>Kasbani, the head of Indonesia's volcanology and geological hazard mitigation centre, said Merapi had spewed "quite intense" hot clouds at least 30 times since Wednesday morning and warned of a danger of lava cutting roads near the volcano.</p>.<p>Photographs shared on social media showed ash covering the homes of some nearby residents.</p>.<p>There were no immediate reports of damage, but some residents had chosen to leave their homes, said the local disaster mitigation agency.</p>.<p>Located on the so-called "Ring of Fire", Indonesia has more volcanoes than any other country and Merapi violently erupted in 2010, killing more than 350 people. </p>
<p>Indonesia's Mount Merapi volcano on Java island erupted on Wednesday, sending up a cloud of ash and prompting authorities to warn of the risk of lava flows reaching roads, officials said.</p>.<p>The 2,963 m (9,721 ft) high Merapi is one of Indonesia's most active volcanoes and is already on the country's second-highest alert level.</p>.<p>Kasbani, the head of Indonesia's volcanology and geological hazard mitigation centre, said Merapi had spewed "quite intense" hot clouds at least 30 times since Wednesday morning and warned of a danger of lava cutting roads near the volcano.</p>.<p>Photographs shared on social media showed ash covering the homes of some nearby residents.</p>.<p>There were no immediate reports of damage, but some residents had chosen to leave their homes, said the local disaster mitigation agency.</p>.<p>Located on the so-called "Ring of Fire", Indonesia has more volcanoes than any other country and Merapi violently erupted in 2010, killing more than 350 people. </p>