A research team from NASA's Goddard Space Flight Center in Greenbelt, Maryland has used the satellite measurements of sulfur dioxide, the main component of volcanic emissions, and maps of the location and vertical profiles of volcanic aerosols to improve the…
The Alaska Volcano Observatory (AVO) has developed a new online tool for reporting visible volcanic ash designed for residental reports. Wilderness pilots, hikers, boaters and people in Alaskan communities can now report online to authorities if they
San Cristóbal volcano, located 150 km (95 miles) northwest of Managua, erupted on September 8 with three powerful explosions according to Nicaraguan Institute of Territorial Studies (INETER). A column of smoke and ash reached nearly a mile above the cone of the
Alaska's Mount Cleveland has been reportedly oozing lava, presaging a possible eruption. Satellite images showed a 165 meter (541 feet) in diameter lava dome in the summit crater on September 20, which increased from 150 meters (490 feet) as of September 9,…
Dukono volcano (North Halmahera regency, Indonesia) activity increased on September 6, 2011, sending volcanic ash clouds as high as 800 meters in the sky. The capital town of the Halmahera regency lies at the port of Tobelo, approx. 15 km from the volcano…
Indonesia’s Mount Lokon erupted four times on Tuesday after increasing its volcanic activity during the past week, officials said. Mount Lokon, which is located on the northern tip of the island of Sulawesi, had four small eruptions on Tuesday, spewing out materials
Since the beginning of the recent eruption, a dense plume of water vapor, gas, and ash has concealed the summit of the Nabro volcano. New images from June 29 finally provided a nearly unimpeded view of the summit, where lava flowed out of the erupting vent and down…
As ash from Chile’s Puyehue-Cordón Caulle Volcanic Complex continues to disrupt flights half a world away, the eruption itself persists. The Moderate Resolution Imaging Spectroradiometer (MODIS) aboard the Aqua satellite acquired this natural-color image on June
After nearly a week of explosive activity, Eritrea’s Nabro Volcano seems to be evolving into a milder, more effusive eruption. By June 19th, the maximum altitude of Nabro’s ash plume dropped from a maximum of 45,000 feet (14,000 meters) to 25,000 feet…
Several Latin American countries in the path of volcanic ash unleashed from a Chilean Andean crater are facing critical shortages of water, agricultural collapse, disruptions in transportation and growing risks to human and animal health. Toxic ash clouds, seen to be
