Alaska Volcano Observatory

Spurr Information Statement April 17, 2025

Published: 2025-04-17

Why does Mount Spurr's plume look different on different days

Published: 2025-03-28

Likelihood of Mount Spurr eruption in the next few weeks or months has increased

Published: 2025-03-11

Mount Spurr volcano Information Circular free download

Published: 2025-03-10

Spurr Information Statement February 6, 2025

Published: 2025-02-07

Mount Spurr activity Information Statement July 3, 2024

Published: 2024-07-03

Mount Spurr seismic activity Information Statement May 15, 2024

Published: 2024-05-15

Edgecumbe ongoing low-level activity information statement February 9, 2024

Published: 2024-02-09

Edgecumbe monitoring information statement January 26, 2024

Published: 2024-01-26

AVO website scavenger hunt!

Published: 2024-01-17

Trident seismicity information statement July 25, 2023

Published: 2023-07-25

Notice: Planned Maintenance and Power Downs at Butrovich Data Center - Website Service Outage

Published: 2023-05-19

Alaska Volcano Observatory Sitka visit May 5-9, 2023

Published: 2023-04-24

Get to know Makushin Volcano

Published: 2023-04-13

AVO Information Statement on Sheveluch Volcano, April 13, 2023

Published: 2023-04-13

Currently active Mount Cerberus volcano now named Mount Young

Published: 2022-12-22

33rd anniversary of Redoubt's 1989-1990 eruption

Published: 2022-12-13

Where did the Mystery Ash come from? Maybe YOU have the answer!

Published: 2022-10-21

No volcanic gases detected at Mt. Edgecumbe during recent survey.

Published: 2022-06-10

Mt. Edgecumbe gets a new monitoring station

Published: 2022-05-23

Mount Edgecumbe volcanic field changes from "dormant" to "active" -- what does that mean?

Published: 2022-05-09

AVO Visits Sitka and more information! May 6, 2022

Published: 2022-05-06

Mount Edgecumbe Information Statement, April 22, 2022

Published: 2022-04-22

Meet the Atka Volcanic Complex

Published: 2021-08-25

Resuspended ash from Aniakchak: August 2, 2021 Information Statement

Published: 2021-08-02

90th Anniversary of the 1931 eruption of Aniakchak Volcano, Alaska

Published: 2021-05-03

Booming sounds from Veniaminof and their source

Published: 2021-03-29

AVO assists in multi-agency effort to monitor the Barry Arm Landslide in Prince William Sound

Published: 2021-02-22

AVO's 2020 Field Season

Published: 2021-02-03

Alaska Volcano Observatory Expands Eruption Detection Capability in Cook Inlet

Published: 2020-10-15

The Alaska Volcano Observatory’s summer 2020 field work plans

Published: 2020-06-25

Update on AVO Operations during COVID-19

Published: 2020-03-25

AVO announces extensive upgrades to volcano monitoring equipment during summer 2019 fieldwork

Published: 2019-09-06

New publication: Alaska Volcano Observatory geochemical database, version 2

Published: 2019-07-26

New publication: On the eruption age and provenance of the Old Crow tephra

Published: 2019-02-05

New publication: Historically active volcanoes of Alaska v. 3

Published: 2019-01-02

In the event of a federal government shutdown

Published: 2018-12-21

Tectonic earthquakes and Alaska volcanoes

Published: 2018-11-30

Volcanic Threat Assessment helps prioritize risk reduction efforts at U.S. volcanoes

Published: 2018-10-25

AVO hiring a software engineer at University of Alaska Fairbanks Geophysical Institute

Published: 2018-10-03

Happy 30th Birthday, AVO!

Published: 2018-04-01

New publication: Postglacial eruptive history and geochemistry of Semisopochnoi volcano, western Aleutian Islands, Alaska

Published: 2018-02-26

New publication: Geochemistry of some Quaternary lavas from the Aleutian Arc and Mt. Wrangell

Published: 2018-01-23

New publication: Geologic map of Chiginagak volcano

Published: 2018-01-05

New publication: Major-element glass compositions of tephra from the circa 3.6 ka eruption of Aniakchak volcano, Alaska Peninsula, Alaska

Published: 2018-01-05

New publication: The 2014 eruptions of Pavlof Volcano, Alaska

Published: 2018-01-05

New publication: Historically active volcanoes of Alaska reference deck, v.2

Published: 2018-01-05

Bogoslof Volcano, Alaska: ongoing eruption through the Bering Sea

Published: 2017-04-03

Thank you Unalaska!

Published: 2017-02-01

Bogoslof Summary of Current Activity

Published: 2017-01-31

Bogoslof Summary of Current Activity, through 19 January 2017

Published: 2017-01-04

AVO studies resuspended volcanic ash from the Katmai region to Kodiak Island, Alaska

Published: 2016-04-25

Citizen Science - Volcanic Ash Collection Workshop and Public Talk, Kodiak

Published: 2016-04-25

January 30, 2016 Fieldwork at Iliamna and Spurr

Published: 2016-02-12

New publication highlights the importance of ash scrubbing in the evaluation of hazards from explosive eruptions

Published: 2016-01-13

Critical Volcano Monitoring Systems Returned to Operation in Alaska

Published: 2015-10-15

Resuspended Volcanic Ash from the Katmai Region to Kodiak Island

Published: 2015-09-04

Remobilized Katmai 1912 ash: community events and health hazard analysis

Published: 2015-09-03

Makushin 2015 Geology Blog

Published: 2015-07-22

Sixth Anniversary of the Redoubt 2009 Eruption

Published: 2015-03-22

Happy Anniversary, Shishaldin 1967 and 2014!

Published: 2015-01-28

New Publication on Aniakchak Volcano Available Online

Published: 2014-12-30

25th Anniversary of the 1989-90 Eruption of Redoubt Volcano

Published: 2014-12-13

AVO geochemical database now available

Published: 2014-10-13

AVO Scientists Discuss Cook Inlet Volcanoes on Frontier Scientists TV Series

Published: 2014-10-06

Announcing new monitoring equipment for Cleveland volcano

Published: 2014-09-11

22nd anniversary of Crater Peak (Mt Spurr) June 27 eruption

Published: 2014-06-27

Revised Alaska Interagency Operating Plan for Volcanic Ash Episodes

Published: 2014-06-05

Anniversary of Aniakchak 1931 eruption!

Published: 2014-05-01

April 19th - anniversary of Shishaldin 1999 and Pavlof 1986!

Published: 2014-04-19

Ground-coupled airwaves and explosion signals at Shishaldin

Published: 2014-04-10

5th anniversary of the Redoubt 2009 eruption

Published: 2014-03-14

Loss of Critical Volcano Monitoring Information in Alaska

Published: 2014-02-10

NEW VOLCANO NUMBERING SYSTEM IMPLEMENTED

Published: 2014-01-31

Loss of Critical Volcano Monitoring Information in Alaska

Published: 2014-01-29

Report released: Geochemical investigations of the hydrothermal system on Akutan Island, July 2012

Published: 2014-01-09

24th Anniversary of the 1989-90 eruption of Redoubt Volcano

Published: 2013-12-14

Veterans Day slideshow

Published: 2013-11-11

Call for images from active and retired service members!

Published: 2013-10-21

AVO operations during lapse of federal government appropriations

Published: 2013-10-01

New Tool for Reporting Alaska Volcanic Ash Fall Allows Residents to Assist Scientific Monitoring

Published: 2013-07-01

25 years monitoring Alaska volcanoes - press release

Published: 2013-04-01

AVO slideshow for Veterans Day

Published: 2012-11-05

Large ash eruptions: when volcanoes reshape valleys -- free public lecture

Published: 2012-08-21

Father Hubbard and the history of exploration in the Valley of Ten Thousand Smokes - free lecture

Published: 2012-08-14

Remote sensing and volcanoes - free public lecture

Published: 2012-08-07

The Great Eruption of 1912 - free public lecture

Published: 2012-07-31

Infrasound Detection of Volcanic Explosions

Published: 2012-07-26

Archaeology of Katmai area and the impact of past eruptions - free public lecture

Published: 2012-07-24

Historical Photography of the Great 1912 Eruption - free public lecture

Published: 2012-07-17

Catastrophic Eruptions and People -- free public lecture

Published: 2012-07-10

Eruption of an Island Volcano: Kasatochi, 2008 -- free public lecture

Published: 2012-07-02

Exploring the Plumbing System of Katmai Volcanoes

Published: 2012-06-20

Exploration of Katmai and the Valley of Ten Thousand Smokes - free public lecture

Published: 2012-06-14

Commemorative presentation in Kodiak: Be Prepared!

Published: 2012-06-08

Earthquakes Below Alaskan Volcanoes - free public lecture

Published: 2012-06-07

DisaStory - A Day of Oral History

Published: 2012-06-04

1912 Katmai Eruption Children's Program

Published: 2012-06-01

Monitoring Alaska's Volcanoes - free public lecture

Published: 2012-05-30

Landmark volcano study: Katmai Centennial Perspectives free download

Published: 2012-05-24

Special activities on AVO's website for 1912 centennial

Published: 2012-05-21

Alaska Park Science - Volcanoes of Katmai and the Alaska Peninsula

Published: 2012-05-14

AVO at the Alaska Aviation Trade Show and Conference May 5-6

Published: 2012-04-30

The Great Katmai Eruption of 1912 - a free lecture in Anchorage: April 24, 2012

Published: 2012-04-17

The Great Katmai Eruption of 1912: A Century of Research Tracks Progress in Volcano Science

Published: 2012-04-11

April 25 -- The Novarupta - Katmai 1912 eruption: a free lecture in Fairbanks by Judy Fierstein

Published: 2012-04-06

Summer lecture series on Alaskan volcanism

Published: 2012-03-30

Poster contest celebrates anniversary of Katmai eruption!

Published: 2012-03-16

Mark your calendar: April 24 public lecture on the great Novarupta-Katmai eruption of 1912

Published: 2012-03-15

An important volcanic anniversary in Alaska!

Published: 2012-03-05

PUBLISHED: The 2009 Eruption of Redoubt Volcano, Alaska

Published: 2012-02-29

2011 Alaska Interagency Operating Plan for Volcanic Ash Episodes now available

Published: 2011-08-12

How does Cleveland's lava dome compare to Redoubt's 2009 lava dome?

Published: 2011-08-11

Alaska Volcanoes Guidebook for Teachers

Published: 2011-02-22

New Fact Sheet on Kasatochi

Published: 2010-05-06

How big is the 2009 Redoubt lava dome?

Published: 2010-04-28

New map: Historically active volcanoes of Alaska

Published: 2009-11-19

Steaming at Augustine

Published: 2009-08-27

Sarychev Volcano: Active Volcanoes of the Kurile Islands

Published: 2009-06-22

Footage of Alaska's Redoubt Volcano taken on Monday, March 23, 2009.

Published: 2009-03-24

Pre-eruption footage of Redoubt Volcano, Saturday, March 20, 2009

Published: 2009-03-23

Redoubt Volcano B-Roll Footage

Published: 2009-02-12

Kasatochi 2008 eruption summary

Published: 2008-11-19

6th Biennial Workshop on Subduction Processes emphasizing the Kurile-Kamchatka-Aleutian Arcs Geophysical Institute, University of Alaska, Fairbanks, Alaska

Published: 2008-10-22

Chiginagak volcano's acid crater-lake continues to supply acidic, metal-laden water to salmon spawning habitat on the Alaska Peninsula

Published: 2008-10-03

ALASKA VOLCANOES - TEACHER ACTIVITY GUIDEBOOK & KIT

Published: 2008-09-17

20 years of AVO

Published: 2008-04-01

Viewing earthquake information for Alaska volcanoes

Published: 2008-02-25

Pavlof webcam added

Published: 2007-08-30

Activity at Pavlof volcano

Published: 2007-08-18

Pavlof thermal anomaly

Published: 2007-08-16

AVO Scientists present at U.S. Department of Education Teacher-to-Teacher Workshop

Published: 2007-08-06

Cleveland webcam available

Published: 2007-08-06

Activity at Cleveland volcano

Published: 2007-07-27

Cleveland satellite images

Published: 2007-07-25

Sheveluch Eruption

Published: 2007-03-29

U.S. Geological Survey's alert notification system for volcanic activity

Published: 2007-03-27

KVERT Volcanic Warnings Ceased

Published: 2007-03-01

New alert system for volcanic activity

Published: 2006-09-26

Three new webcams added

Published: 2006-09-07

AGU presentations requested

Published: 2006-07-24

New webcam available

Published: 2006-03-12

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