Articles tagged "cleveland volcano"

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New lava dome observed in the summit crater of Cleveland volcano, alerts raised

A new lava dome was observed in the summit crater of Cleveland volcano prompting the Alaska Volcano Observatory to upgrade the Color Code/Alert Level to ORANGE/WATCH on January 17, 2019. No explosive activity has been detected or observed in seismic or infrasound...

January 18, 2019

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Short-lived explosion at Cleveland volcano, ash to 5.2 km (17 000 feet), Alaska

A short-lived explosion was detected at Cleveland volcano early December 29, 2018. Ash cloud was reported rising up to 5.2 km (17 000 feet) above sea level. The Aviation Color Code remains Orange since December 12. Local seismic sensors recorded a short-lived...

December 29, 2018

cleveland volcano october 2017

Alerts raised for Cleveland volcano after detection of small lava flow, Alaska

The Alaska Volcano Observatory has raised the Aviation Color Code for Cleveland volcano from Yellow to Orange on June 26, 2018, after detection of small lava flow inside summit crater. The last detected explosive activity at Cleveland volcano occurred May 5, 2018....

June 27, 2018

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New explosion detected at Cleveland volcano, alerts raised

A new explosion was detected on Alaska's Cleveland volcano on April 4, 2018, prompting authorities to raise the Alert Level to Watch and the Aviation Color Code to Orange. It was a small explosion, detected using local seismic and infrasound sensors at 11:55 UTC...

April 04, 2018

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Unrest at Cleveland volcano, Aviation Color Code raised to Orange

Unrest continues at Alaska's Cleveland volcano following a small explosion detected in seismic and infrasound data at 14:57 UTC on March 2, 2018 The event generated a small volcanic cloud that drifted to the ENE at an altitude of approximately 4.5 km (15 000...

March 03, 2018

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Explosion at Cleveland volcano, ash to 6 km (20 000 feet) a.s.l.

A new explosion was detected at Cleveland volcano, Alaska at 13:20 UTC on December 13, 2017. AVO raised the Aviation Color Code back to Orange. The explosion produced an eruption cloud that was observed in satellite data to an altitude of 6 km (20 000 feet) a.s.l....

December 13, 2017

small lava dome grows inside cleveland volcano

Lava effusion in the summit crater of Cleveland volcano, Alaska

The eruption of Cleveland volcano and slow growth of a small lava dome in the summit crater of the volcano continues, the Alaska Volcano Observatory reported at 20:00 UTC on Friday, October 6, 2017. Lava effusion in the summit crater was first noted in satellite...

October 08, 2017

cleveland volcano alaska

Moderate eruption detected at Cleveland volcano, Alaska

A moderate, 2-minute-long eruption occurred at Cleveland volcano, Alaska beginning at 01:47 UTC on September 26, 2017. The explosion was detected by seismic and infrasound (air pressure) sensors, the Alaska Volcano Observatory said 02:15 UTC today, adding that...

September 26, 2017

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Short-lived eruption at Cleveland volcano, Alaska

A short-lived explosion was detected in seismic and infrasound data at Cleveland volcano at 03:38 UTC on May 17, 2017. The increase in seismicity lasted about 10 minutes. The ash cloud was observed in satellite data drifting to the southwest for approximately 5...

May 18, 2017

cleveland eruption from iss may 23 2006

Explosion at Cleveland volcano, alert levels raised

Mount Cleveland stratovolcano in Alaska erupted at 21:10 UTC on October 24, 2016, forcing the Alaska Volcano Observatory (AVO) to raise the color code/alert level from Yellow/Advisory to Orange/Watch. The explosion was detected in both infrasound (air pressure) and...

October 25, 2016

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Seismic activity indicates eruption at Cleveland volcano, Alaska

Alaska Volcano Observatory (AVO) detected an explosion at Cleveland Volcano at 02:44 UTC on May 6, 2016. The last known eruption of this volcano took place in 2015. The eruption was detected in both infrasound (air pressure) and seismic data. There are no recent...

May 06, 2016

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New activity with ash emissions and lava fountaining at Pavlof volcano, Alaska

Current eruptive episode at Pavlof volcano, Alaska began on May 13, 2013 with ash emissions continuing through May 28, 2013 at which time the volcano remain calm. Activity renewed on June 4, 2013. Such pauses are common during eruptive episodes of Pavlof, which

June 09, 2013

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A continuous low-level eruption recorded at Cleveland volcano on Aleutian Islands

The current eruption of Cleveland Volcano, which began with an explosion on May 4, 2013, has transitioned into a continuous low-level eruption. The activity is characterized by long duration airwave signals measured on the nearby Okmok seismic network, 120 km (80

May 05, 2013

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New activity at Mt. Cleveland volcano on Aleutian Islands

Alaska Volcano Observatory (AVO) infrasound detected 2-3 possible explosion at Cleveland Volcano early on May 4, 2013. The infrasound signals suggest that this was a relatively short duration, low-level explosion. A small, low-altitude ash cloud along with high

May 04, 2013

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Cleveland volcano in Aleutian Islands woke up - A new dome has formed in the summit crater

Elevated surface temperatures were detected in satellite images of Cleveland volcano over the last 24 hours. The aviation color code and volcano alert level were changed to ORANGE/WATCH based on evidence that a new dome has formed in the summit crater of Cleveland. The

February 07, 2013

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Cleveland volcano - ash producing explosion sends thin cloud up to 10 km

A pilot report, web camera image, and infrasound data indicated that an ash producing explosion occurred at Cleveland Volcano on Tuesday, June 19, around 22:05 UTC (14:05 AKDT). The pilot report suggests the volcanic cloud height is 10 km (35,000 feet) above sea

June 20, 2012

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Cleveland volcano, Alaska - authorities say sudden eruptions could occur at any time

The warning level for a remote Alaska volcano has been raised after a new lava dome began forming, indicating the mountain could explode and send up an ash cloud that could threaten aircraft. The Alaska Volcano Observatory elevated the aviation color code status for

February 01, 2012

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Cleveland volcano in Alaska showing signs of eruption

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,...

September 23, 2011

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Scientists fear of Cleveland eruption

A thermal anomaly was observed in satellite data over the past day, which is consistent with continued growth of the lava dome. No ash emissions have been observed during this current eruptive episode that began in mid-July 2011. No other new reports have been received

September 19, 2011

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Cleveland volcano erupts

Cleveland Volcano, located on uninhabited Chuginadak Island in the Aleutians, has begun building a lava dome. An Alaska volcano has begun erupting, but it is not yet posing a serious hazard to populations or aviation in the region.The eruption was described as a

August 11, 2011

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Alaskan Cleveland volcano eruption warning upgraded

The lava dome producing eruption at Cleveland volcano, first observed on July 29, is continuing. AVO has received no new observations or information about activity at the summit since August 2 and the last thermal anomaly observed was this morning. Earlier this week,

August 06, 2011

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Aleutian Cleveland volcano shows signs of impending eruption

Recent satellite images of a remote Alaska volcano along a flight route for major airlines show the mountain may be poised for its first big eruption in 10 years, scientists said on Thursday. The Alaska Volcano Observatory has issued an eruption advisory for the 5,676

July 22, 2011