Seismic activity at Pavlof volcano, Alaska has increased over the past several days, forcing the Alaska Volcano Observatory to raise the Alert Level to Advisory and the Aviation Color Code to Yellow at 20:43 UTC on December 28, 2019. Pavlof is a snow- and…
The eruption of Shishaldin Volcano that began in late July continues with low-level explosive activity near the summit and effusion of short lava flows, tha Alaska Volcano Observatory (AVO) reports. Elevated seismicity and surface temperatures were recorded…
A short-lived explosion occurred at Shishaldin volcano, Alaska, U.S. at 16:10 UTC (07:10 LT) on December 12, 2019. The eruption lasted about 3 minutes and produced an ash cloud up to 6 – 7.6 km (20 000 – 25 000 feet) above sea level, moving W-NW at 83 km/h (52 mph)….
An eruption signature was detected at Semisopochnoi as strong tremor on local seismic and in regional infrasound networks on Adak Island, Alaska Volcano Observatory reported at 10:25 UTC on December 7, 2019. The event started at 09:26 UTC (00:26 AKST) on December 7…
Activity at Shishaldin has increased significantly over the past day with fire-fountaining observed in web camera views throughout the evening and night, the Alaska Volcano Observatory (AVO) reported at 22:20 UTC on November 11, 2019. Strongly elevated surface…
Satellite data from the past day suggest that slow effusion of lava may have begun in the summit crater. Thus, the Alaska Volcano Observatory (AVO) is increasing the Aviation Color Code to ORANGE and the Volcano Alert Level to WATCH on November 8, 2019. Highly…
Low-level eruptive activity continues at Shishaldin Volcano. Two stalled lava flows extend beyond the summit crater up to 1.8 km (1.1 miles) down the northwest flank, and satellite data show trace ash deposits on the north flank and a lahar extending at least 4 km…
Satellite data from the past day show that lava now fills the Shishaldin's summit crater and is beginning to flow over the northern crater rim in two locations, the Alaska Volcano Observatory reported at 20:07 UTC on October 24, 2019. One 200 m (600 feet) long…
Small explosion signals from Pavlof volcano have been detected on the infrasound network located at Sand Point and on the local seismic network on October 19, 2019. It is unknown if the explosions produced any volcanic ash, but their small size suggests any hazard…
The Alaska Volcano Observatory (AVO) raised alerts for Veniaminof volcano after pilot reports of steaming coincided with low-level tremor recorded at the volcano at 20:30 UTC (12:30 AKDT). These observations mark a departure from recent background activity – the…
