Mount Shishaldin Volcanic Eruptions

Mount Shishaldin Volcanic Eruptions

Mount Shishaldin is an active symmetrical volcano located on Unimak Island in the Aleutian Island chain of Alaska.

Shishaldin erupted several times through the second half of 2023, entering a period of low-level activity at the end of the year.

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Contributions by: Josh Reiter

Satellite imagery of this event:

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Ash Billows Out of Mount Shishaldin

Description:

Eruptive activity on the volcano occurs right before an ash cloud blasts out of the top and into the sky.


Satellite: NOAA-20 NOAA-21 S-NPP

Product: Ash (EUMETSAT) Day/Night Band Fire Temperature

Instrument: VIIRS

Volcanic Activity Around Shishaldin Leads To Another Eruption

Description:

Sulfur dioxide is released from Mount Shishaldin in the early morning hours following an increase in activity.


Satellite: GOES-18

Product: GeoColor Sulfur Dioxide (JMA)

Seismic Activity Causes Shishaldin to Explosively Erupt

Description:

Another eruption was detected bursting out of the top of Mount Shishaldin, expelling ash, dust, and sulfur dioxide high into the atmosphere.


Satellite: GOES-18

Product: Ash (EUMETSAT) DEBRA (Dust) GLM Group Energy Density Sulfur Dioxide (JMA)

Mount Shishaldin Erupts Again

Description:

Mount Shishaldin in the Aleutian Islands of Alaska erupts again.

Although the area was covered with clouds, the force from the eruption sent ash and gases high into the air. There was even some lightning with the plume.


Satellite: GOES-18

Product: GLM Group Energy Density ProxyVis Sulfur Dioxide (JMA)

Ash Drifts From Mount Shishaldin

Description:

Ash (highlighted in pink) that spewed from the volcanic eruption could be seen drifting over the Pacific Ocean south of Alaska.


Satellite: NOAA-20 NOAA-21 S-NPP

Product: Ash (EUMETSAT)

Instrument: VIIRS

Mount Shishaldin Volcanic Eruption

Description:

With Fire Temperature product


Satellite: GOES-18

Product: Fire Temperature GLM Group Energy Density Visible (band 2)

Mount Shishaldin Volcanic Eruption

Description:

Without Fire Temperature product


Satellite: GOES-18

Product: GLM Group Energy Density Visible (band 2)

Alaska Volcano Billows Ash High Into the Atmosphere

Description:

A seismic tremor caused Mount Shishaldin to send an ash cloud tens of thousands of feet into the sky.


Satellite: NOAA-20 S-NPP

Product: Ash (EUMETSAT) Day Fire

Instrument: VIIRS

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