Volcanic Eruptions

Mount Semeru's sudden eruption left more than 170 people on its slopes in danger, while nearby residents fled for safety.

A CCTV observation post captures volcanic ash flowing from Semeru Volcano in Indonesia.

Indonesia's Mount Semeru volcano erupts, spewing ash several kilometres into the air and prompting an aviation warning in Australia.

David Finlay has captured images of bioluminescence, fireflies, ghost mushrooms, meteors and the aurora australis, but seeing one of the world's most active volcanoes spraying lava 450 metres in the air "takes the cake".

The US Geological Survey (USGS) says the eruption has featured "vigorous lava fountaining".

Staff at the Kronotsky Nature Reserve, where the volcano is located, say the eruption sent ash 6 kilometres into the sky.

It's the second time in less than three months the volcano has erupted.

Multiple return international flights between Australia and Bali have been cancelled due to the eruption of Indonesia's Mount Lewotobi Laki-Laki volcano for a second time in as many months.

Australians who were in Bali during a 2017 volcano eruption emphasise the importance of taking out travel insurance, following news of Mount Lewotobi Laki-Laki's eruption.

All flights to and from Bali have resumed after being cancelled or delayed due to eruptions of Mount Lewotobi Laki-Laki.

The backlog of flights delayed or cancelled because of the eruption is expected to take some time to clear despite some airlines resuming services.

Passengers are left stranded as flights are cancelled due to one of Indonesia's most active volcanoes erupting and spewing hot ash and smoke plumes.

The active volcano on the east coast of Sicily erupts, sending tourists on the mountain running for safety.

Kanlaon Volcano, one of 24 active volcanoes in the Philippines, has erupted, with social media videos showing a plume of ash rising into the sky. 

A volcanic eruption in Iceland has triggered an evacuation near the nation's capital.

A volcanic eruption in Indonesia disrupted Bali flight schedules on Friday. 

The famous eruption of Mount Vesuvius that wiped out Pompeii and Herculaneum created a super-heated ash cloud that turned one unlucky man's brain to glass, a new study suggests.

The latest eruption of Mount Etna has drawn crowds of tourists to the region, which have congested streets and paths for rescue workers.

Kerryn Draper was among hundreds of Australians stranded in Bali after a recent volcanic eruption. She returned with a cautionary tale about the financial and mental pressure of not being able to get home. 

Iceland's famous Blue Lagoon has been temporarily closed as lava continues to spill from a volcanic fissure on the Reykjanes Peninsula.