Welcome to Volcano World!

Volcanic activity is the most powerful force in nature. Some volcanic eruptions are much more powerful than the largest nuclear explosion. Volcanoes have killed thousands of people and caused some of the most frightening events in human history.

This site includes information about volcanoes, their activity, and how they form and erupt.

GVP Eruption Reports

Masaya (Nicaragua) - Report for 23 April-29 April 2026 - New Eruptive Activity

The Washington Volcanic Ash Advisory Center (VAAC) reported that on 26 April a diffuse ash plume from Masaya was visible in satellite and webcam images rising to 1.5 km (5,000 … Read full story

Poas (Costa Rica) - Report for 23 April-29 April 2026 - New Eruptive Activity

The Observatorio Vulcanolgico y Sismolgico de Costa Rica-Universidad Nacional (OVSICORI-UNA) reported eruptive activity at Pos during 22-29 April. Gas emissions across the lake and from the new fumarolic field along … Read full story

Rincon de la Vieja (Costa Rica) - Report for 23 April-29 April 2026 - New Eruptive Activity

The Observatorio Vulcanologico y Sismologico de Costa Rica-Universidad Nacional (OVSICORI-UNA) reported minor eruptive events at Rincn de la Vieja during 23-29 April. A phreatic eruption at 1140 on 23 April … Read full story

Aira (Japan) - Report for 23 April-29 April 2026 - Continuing Eruptive Activity

The Japan Meteorological Agency (JMA) reported ongoing eruptive activity at Minamidake Crater (Aira Caldera?s Sakurajima volcano) during 24-27 April. Crater incandescence was visible in nighttime webcam images. Very small eruptive … Read full story