Tag: volcano

Eruption of Tonga underwater volcano found to disrupt satellite signals halfway around the world

An international team has used satellite- and ground-based ionospheric observations to demonstrate that an air pressure wave triggered by volcanic eruptions could produce an...

Threatening 22 million people, Mexico’s Popocatepetl is a very closely watched volcano

Mexico's Popocatepetl volcano rumbled to life again this week, belching out towering clouds of ash that forced 11 villages to cancel school sessions. The residents...

Colombia urges evacuation near volcano

Authorities in Colombia on Saturday recommended that towns closest to a rumbling, notorious volcano be evacuated, ahead of a a possible eruption. The Disaster Risk...

Ash from Russian volcano prompts Alaska flight cancellations

Alaska Airlines canceled about two dozen flights in its namesake state Thursday because of an ash cloud from a volcano in Russia, the Seattle-based...

Volcano eruption in Russia’s Kamchatka spews vast ash clouds

A volcano erupted early Tuesday on Russia's far eastern Kamchatka Peninsula, spewing clouds of dust 20 kilometers (12 miles) into the sky and covering...

New low-cost camera could help scientists forecast volcano eruptions affecting millions

Gas emissions are the manifestation of activity occurring beneath the surface of a volcano. Measuring them lets researchers see what can't be seen from...

Indonesia’s Anak Krakatoa volcano erupts, belches huge ash tower

The offspring of Indonesia's infamous Krakatoa volcano erupted several times on Tuesday, sending a huge volcanic ash tower some 2,500 meters (8,200 feet) into...

Swarm of quakes at Alaska volcano could mean eruption coming

A swarm of earthquakes occurring over the past few weeks has intensified at a remote Alaska volcano dormant for over a century, a possible...

Mapping the fizzy brines and fluid-filled fractures below a volcano

Earth's crust contains pockets of water, metal-rich brines, gas and molten rock, especially near volcanoes and other sites of geothermal activity. Knowing where these...

Eruption at Hawaii’s Kilauea volcano stops after 61 days

The latest eruption at Kilauea's summit on Hawaii's has paused after 61 days of volcanic activity. U.S. Geological Survey's Hawaiian Volcano Observatory scientists said Tuesday...

Authorities raise alert level around Lascar volcano in northern Chile

Authorities in Chile on Saturday raised the alert level and limited access to the area around the Lascar volcano, after an increase in seismic...

Surprise magma chamber growing under Mediterranean volcano

Using a novel imaging technique for volcanoes that produces high-resolution pictures of seismic wave properties, a new study reveals a large, previously undetected body...

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