Articles tagged "shishaldin"

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Surface lava, elevated seismicity at Shishaldin volcano - Aviation Color Code raised to Orange, Alaska

A high-resolution satellite image today shows lava and what appears to be a new cone within the Shishaldin summit crater, prompting the Alaska Volcano Observatory to raise the Aviation Color Code to ORANGE and the Alert Level to WATCH at 06:31 UTC on March 15, 2020....

March 16, 2020

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Eruption at Shishaldin volcano, Aviation Color Code raised to Red, Alaska

Starting at about 09:30 UTC (00:30 AKST) on January 19, 2020, the eruption at Shishaldin volcano in Alaska intensified, and about 13:30 UTC began generating a more ash-rich volcanic plume. The Aviation Color Code was raised to RED and the volcano Alert Level to...

January 19, 2020

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Eruptive activity resumes at Shishaldin volcano, lava flows on the NE flank, Alaska

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

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Strong eruption at Shishaldin ends, Aviation Color Code lowered to Orange, Alaska

Ash cloud produced by the strong eruption at Shishaldin volcano, Aleutian Islands, Alaska at 14:10 UTC on January 7, 2020, reached 10 km (33 000 feet) above sea level before midnight UTC. Volcanic ash tops were raised from previously reported 7.6 km (25 000 feet)...

January 08, 2020

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Eruption at Shishaldin intensifies, Aviation Color Code raised to Red, Alaska

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

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Eruption at Shishaldin volcano, ash cloud to 7.3 km (24 000 feet) a.s.l., Alaska

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

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Sentinel-2 provides evidence of increasing eruptive activity at Mt. Shishaldin, Alaska

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...

December 28, 2019

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Short-lived explosion at Shishaldin, heightened level of unrest, Alaska

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

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Significant increase of activity at Shishaldin volcano, fire-fountaining observed, Alaska

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

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Eruption at Shishaldin continues, lava flowing beyond the summit crater, Alaska

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

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Lava flows, large lahar at Shishaldin volcano, Alaska

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...

October 25, 2019

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Shishaldin volcano alert levels raised, Alaska

The Alaska Volcano Observatory (AVO) raised the Aviation Color Code for Shishaldin volcano to ORANGE and the Alert Level to WATCH on October 17, 2019. Satellite observations indicated that a lava effusion event began on October 13 and is likely continuing. The...

October 18, 2019

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Active lava lake at Shishaldin volcano, Aviation Color Code Orange, Alaska

The Alaska Volcano Observatory (AVO) has raised the Aviation Color Code from Yellow to Orange and the Alert Level from Advisory to Watch at Shishaldin volcano on July 24, 2019. The last eruption of this volcano took place in 2015 (VEI 1). Field crews reported an...

July 24, 2019

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Increased seismicity, alerts raised for Shishaldin volcano, Alaska

The Alaska Volcano Observatory is raising the Aviation Color Code to YELLOW and the Alert Level to ADVISORY at Shishaldin Volcano, the observatory said 21:09 UTC on July 12, 2019. The last eruption of this volcano took place in 2015 (VEI 1). This change is based on...

July 12, 2019

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Shishaldin volcano alert levels raised, Alaska

Due to increased seismic and infrasound activity recorded over the past few weeks at Shishaldin volcano, the Alaska Volcano Observatory (AVO) raised the Aviation Color Code for the volcano to Yellow and the Alert Level to Advisory on Wednesday, December 6, 2017. The...

December 06, 2017

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Alert level at Shishaldin volcano raised to orange, Alaska

The Alaska Volcano Observatory raised the Aviation Color Code to ORANGE and Alert Level to WATCH at Shishaldin Volcano on March 28, 2014. Elevated surface temperatures were detected in satellite data beginning on March 18 and have persisted to the present

March 29, 2014

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Increased surface temperature and steam emissions observed at Shishaldin volcano, Aleutian Islands

The Alaska Volcano Observatory reported on January 30 that it raised the Aviation Color Code to YELLOW and the Alert Level to ADVISORY at Shishaldin Volcano. The decision was based on satellite observations of increased surface temperatures in the summit

January 31, 2014