Thousands of Indonesian villagers evacuated when a volcano erupted for the first time in four centuries returned home on Tuesday, but officials said it was uncertain whether the threat from the volcano had passed. Mount Sinabung, in North Sumatra, erupted for the first time in 400 years on Sunday. A second, more forceful eruption occurred early on Monday, sending plumes of dark grey smoke and volcanic ash up to 2 km (1.5 miles) into the air.

Volcanic ash and dust can cause many problems downwind from a volcano.

Volcanic Ash texture, created by Elentor in Filter Forge. This is a filter I made to use as a texture for terrain in dark/desolated places. Suitable for: Evil Caves Spiderwebs Ashes Stones Sand Magma If you need a Self-Illumination map, turn ...

Bali's Mount Agung has erupted early on Sunday morning, sending a volcanic ash cloud two kilometres into the sky. The volcano's constant activity has previously affected flights in the area.

A new study shows how large volcanic eruptions cool tropical Africa, spawning El Niños.

A steaming volcanic landscape with lava flowing into a molten lake

“Lightning over the Colima volcano, Mexico By asrtfuy”

Volcanic ash is made up of fragments less than 1/5 inch (0.5 centimeter) in diameter. Most volcanic ash falls to the surface and becomes welded together as rock called volcanic tuff. Sometimes, volcanic ash combines with water in a stream and forms a boiling mudflow. Mudflows may reach speeds of 60 miles (97 kilometers) per hour and can be highly destructive.

Welcome you! in 2022 | Lightning photography, Volcano lightning, Nature pictures