Lava continues to erupt from multiple vents along the floor and western wall of Kilauea's Halemaʻumaʻu crater since September 29, 2021. As of October 3, 2021, all lava activity is confined within Halemaʻumaʻu in Hawai’i Volcanoes National Park....
October 04, 2021
A new eruption began at Kilauea volcano's Halema‘uma‘u crater at approximately 01:20 UTC on September 30, 2021 (15:20 HST, September 29). As a result, the USGS Hawaiian Volcano Observatory (HVO) raised the Volcano Alert Level for ground-based hazards...
September 30, 2021
Eruptive activity continues at the north crater of Mount Cerberus on Semisopochnoi Island, the Alaska Volcano Observatory (AVO) reported at 20:01 UTC on September 8, 2021. Seismicity at the volcano remains elevated and variable, with periods of continuous tremor,...
September 09, 2021
Due to increased seismicity detected southwest of Korovin volcano, Atka volcanic complex, the Alaska Volcano Observatory (AVO) has raised the Aviation Color Code for the volcano to Yellow and Alert Level to Advisory on August 11, 2021. Numerous small earthquakes...
August 12, 2021
Low-level ash emissions were observed at Pavlof volcano, Alaska on August 5, 2021, prompting the Alaska Volcano Observatory (AVO) to raise the Aviation Color Code to Orange and Alert Level to Watch. In addition, seismic tremor and small explosions have been detected...
August 06, 2021
The month of July saw the most energetic swarm of earthquakes in the region since the Maple Creek earthquake swarm of June-September 2017, the Yellowstone Volcano Observatory (YVO) reported in their monthly update released August 2, 2021. While above average, this...
August 03, 2021
The Cascades Volcano Observatory (CVO) has detected an earthquake swarm in the Mount Hood area, Oregon on June 5, 2021. The swarm continued into June 6 when the activity started to quiet down. The last known eruption of this volcano took place in 1865 and 1866 (VEI...
June 06, 2021
Low-level seismicity continues at Korovin Volcano with no other signs of volcanic activity detected in infrasound sensors or partly cloudy satellite views, the Alaska Volcano Observatory (AVO) reported at 19:42 UTC on November 1, 2020. The last eruption at this...
November 02, 2020
Increased seismicity and recent satellite detections of significant sulfur dioxide emissions forced the Alaska Volcano Observatory (AVO) to increase alert levels for Korovin volcano on October 28, 2020. The Aviation Color Code was raised to Yellow and Alert Level to...
October 28, 2020
Seismic activity at Pavlof volcano has increased on September 21, 2020, prompting the Alaska Volcano Observatory (AVO) to raise the Aviation Color Code to Yellow and Alert Level to Advisory. While this does not necessarily mean that an eruption is likely or...
September 22, 2020
The Alaska Volcano Observatory (AVO) is recording increased earthquake activity at Makushin volcano over the past 2 weeks. In response, the observatory raised the Aviation Color Code to Yellow on June 15 and plans to continue close monitoring of seismic activity,...
July 01, 2020
Over the past several days there have been periods of seismic tremor and occasional earthquakes at Veniaminof volcano, forcing the Alaska Volcano Observatory (AVO) to raise the Aviation Color Code to Yellow and the Volcano Alert Level to Advisory. The volcano has a...
June 19, 2020
Steamboat Geyser in Wyoming is the world's tallest active geyser, which sometimes blasts water over 90 m (300 feet) into the air. At times, the geyser stays quiet for years then abruptly bursts back to life-- a behavior that has been puzzling scientists. A new...
June 04, 2020
A small explosion was detected at Cleveland volcano by regional infrasound sensors at about 06:32 UTC on June 2, 2020 (22:32 AKST, June 1). No other significant activity was detected and local monitoring stations are offline. A small ash plume was observed at 6.7...
June 02, 2020
Eruptive activity at Shishaldin volcano resumed on January 18, 2020, with lava flows visible on the NE flank. The Aviation Color Code remains Orange and Alert Level Watch since January 7. A weak plume, possibly containing a small quantity of ash, is visible in...
January 19, 2020
Ash eruption at Shishaldin continues and has intensified as shown in satellite and lightning data, the Alaska Volcano Observatory (AVO) reported at 21:33 UTC on January 7, 2020. Satellite data suggest the ash cloud is as high as 8.2 km (27 000 feet) above sea level...
January 07, 2020
A new eruption is taking place at Shishaldin volcano, Alaska on January 3, 2020, with ash cloud rising to 6 - 7.3 km (20 000 - 24 000 feet) above sea level at 21:00 UTC, drifting E-SE. According to Alaska Volcano Observatory, the level of seismicity has increased to...
January 03, 2020
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)....
December 12, 2019
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...
November 12, 2019
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...
November 03, 2019
One of the mud geysers near the town of Niland, California's Imperial County, is growing rapidly, threatening nearby railroad track and state highway which may soon have to be closed. This area consists of a group of volcanoes in the Niland Field, known as...
November 02, 2018
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