LEO Network

About the LEO Network
The LEO Network is a worldwide network of observers and experts that share their observations of environmental change.
Continue

Observations

Alaska Airlines cancels flights to Nome, Kotzebue due to volcanic ash
The plume is expected to persist in the region for at least 18 hours, according to an advisory issued Tuesday morning.
Klyuchevskaya Sopka Volcano, Russia
Anchorage Daily News

Krasheninnikov Volcano Erupts for First Time in 600 Years
Russia’s Krasheninnikov volcano on Kamchatka erupted on August 3, 2025 for the first time in six centuries, following major seismic activity, sending ash up to six kilometers into the sky.
Kamchatka Peninsula, Kamchatka Krai, Russia
Vísir

Many have visited health care due to volcanic smog
Many residents sought medical attention for respiratory discomfort and eye irritation caused by volcanic smog and air pollution lingering over Reykjavík and nearby areas.
Reykjavík, Capital Region, Iceland
mbl.is

Icelandic authorities give hazard warnings as fissures spread lava and smoke
New fissures on the Reykjanes Peninsula have sent lava eastward and prompted fresh hazard warnings, with high sulfur dioxide levels and drifting volcanic fibers adding to safety concerns.
Reykjanes Peninsula, Southwest Region, Iceland
Eye on the Arctic

Grindavík and Blue Lagoon Evacuated Following Latest Eruption
A volcanic eruption on the Sundhnúk crater range on Iceland’s Reykjanes Peninsula has forced evacuations at both Grindavík and the Blue Lagoon amid an intense earthquake swarm and significant magma movement.
Grindavík, Reykjanes Peninsula, Iceland
Iceland Review

New explosive activity on Atka volcano in Alaska
A watch was issued for the Atka Volcanic Complex following a small explosive event that may have released a limited amount of volcanic ash. The Alaska Volcano Observatory is closely monitoring activity using seismic data, infrasound sensors, and web cameras.
Atka, Alaska, United States
KTUU

Mount Spurr and volcano earthquakes
Increased seismic activity has been recorded at Mount Spurr Volcano in Alaska, prompting the Alaska Volcano Observatory to raise its alert level. This activity includes low-magnitude, shallow earthquakes near the summit.
Mount Spurr, Alaska, United States
Kodiak Daily Mirror

Volcano Eruption on Iceland
A volcanic eruption is underway on the Reykjanes Peninsula in Iceland, prompting the evacuation of Grindavik and the Blue Lagoon.
Grindavik, Reykjanes Peninsula, Iceland
NRK

Scientists discover volcano-like structure in Arctic Ocean off Alaska
Scientists aboard a U.S. Coast Guard icebreaker have discovered an unusual volcano-like structure in the Arctic Ocean, potentially emitting gas and rising 500 meters from the seafloor.
Arctic Ocean
Alaska Public Media

Surprise Yellowstone geyser eruption highlights little known hazard at popular park
A surprise eruption of steam in a Yellowstone National Park geyser basin that sent people scrambling for safety as basketball-sized rocks flew overhead has highlighted a little-known hazard that scientists hope to be able to predict someday.
Billings, Montana, United States
CTVNews

Breaking: Eruption Begins on Reykjanes Peninsula
A new fissure eruption on Iceland's Reykjanes Peninsula, the third since December, began without posing immediate danger to populated areas or infrastructure.
Grindavík, Southern Peninsula Region, Iceland
Iceland Review

Grindavík eruptions
The Grindavík eruptions began on January 13, 2024, in the Southern Peninsula of Iceland.
Grindavík, Southern Peninsula, Iceland
RÚV

Eruption Begun On Reykjanes Peninsula
A volcanic eruption began near Hagafell mountain on the Reykjanes Peninsula in Iceland at 10:17 pm, following an M4.2 earthquake, with local authorities seeking to determine its impact.
Reykjanesbær, Southern Peninsula, Iceland
Iceland Review

Code red issued, alert warning raised due to latest Shishaldin Volcano eruption
An explosive eruption Friday at Shishaldin Volcano on the Aleutian Chain raised renewed unrest, resulting in a higher level of warning status by the Alaska Volcano Observatory.
False Pass, Alaska, United States

New volcano discovered on the seabed in the Barents Sea
Researchers at UiT The Arctic University of Norway have found a new volcano at Bjørnøya in the Barents Sea. "Seeing an underwater mud eruption in real time reminds me how 'alive' our planet is," says the expedition leader.
Borealis Mud Volcano, Norway
NRK

Volcano eruption in Russia's Kamchatka spews vast ash clouds
A volcano has erupted on Russia’s far eastern Kamchatka Peninsula. The eruption early Tuesday of Shiveluch, one of Kamchatka’s most active volcanoes, spewed clouds of dust 20 kilometers (65,600 feet) into the sky.
Shiveluch, Kamchatka, Russia
AP NEWS

Ash from Sheveluch Volcano moves off Alaskan coast, but remains a hazard for aircraft
Ash from Russian volcano has moved over open waters of the eastern Pacific, but Volcanic Ash Advisories remain in effect as aircraft need to continue to stay away from the ash.
Sheveluch Volcano

Tsunami threat recedes from huge Pacific volcanic eruption
The tsunami threat around the Pacific from a huge undersea volcanic eruption began to recede Sunday, while the extent of damage to Tonga remained unclear. Satellite images showed the spectacular eruption that took place Saturday evening, with a plume of ash, steam and gas rising like a mushroom above the blue Pacific waters.
Tongatapu, Tonga
AP NEWS

Glacial Outburst Flood Will Likely Peak on Sunday
The glacial outburst flood, or jökulhlaup, which started when the ice sheet in the Grímsvötn volcano beneath Vatnajökull glacier began to melt 11 days ago, is predicted to reach its peak on Sunday. At time of writing, the Icelandic Road and Coastal Administration does not believe that the runoff will affect traffic on Route 1 […]

3 volcanoes erupting across Aleutian Range
Three volcanoes are erupting across the Aleutian Range — Great Sitkin and Semisopochnoi in the Aleutian Islands and Pavlof Volcano on the Alaska Peninsula.
Adak, Alaska, United States
Alaska Public Media

Volcanic Gases Cause Haze and Breathing Issues
Gases from the ongoing eruption on Iceland’s Reykjanes peninsula may lead to fewer sunny days this summer, Vísir reports. Eruption gases have been creating a haze in the capital area in recent days and causing discomfort for people with asthma or other lung conditions. Air quality specialist Þorsteinn Jóhannsson says locals should get into the […]
Reykjavík, Capital Region, Iceland

Child hospitalized after exposure to volcanic gases
Thelma Dórey Pálmadóttir, age 14, fell ill while visiting the Geldingadalir eruption on Easter Sunday. She was one of ten people who reported symptoms. The explanation from doctors is that it was probably volcanic gas poisoning.
Grindavík, Southern Peninsula, Iceland
RÚV

Saint Lucia Prepares For The Worst Amid Concerns Over La Soufrière Volcano
Saint Lucia is stepping up its response plans as the dome at La Soufrière volcano in Saint Vincent and the Grenadines continues to grow.
Georgetown, Charlotte, Saint Vincent and the Grenadines
St. Lucia Times News

Watch this amazing footage of a drone flying right through an erupting volcano in Iceland
The Fagradalsfjall volcano in Iceland erupted over the weekend, and drone pilot Bjorn Steinbekk captured amazing footage by flying straight through the lava. The eruption is a small one but looks incredibly nonetheless.
The Verge

A Volcanic Eruption Has Begun on the Reykjanes Peninsula
A volcanic eruption has started by Fagradalsfjall on the Reykjanes peninsula. Grindavík residents noticed a red glare in the sky above the area where the magma movement has been detected for the past few weeks. Expert at the Icelandic Met Office Bjarki Kaldalóns Friis confirms that a volcanic eruption has begun.

Spectacular footage records the formation of new second cone on highest active volcano in Eurasia
Images of the eruption and the new cone on Klyuchevskaya Sopka was caught by adventurers over two days, the 7th and 8th of March. The height of the cinder cone at its peak has reached almost 60 meters in height, with a base diameter of 101 meters.
Klyuchi, Kamtsjatka, Russia
Siberian Times

Alert level raised after explosion at remote Alaska Peninsula volcano
Satellite and webcam views indicated low-level ash emissions from Mount Veniaminof volcano. The ash plume did not rise above 10,000 feet, the Alaska Volcano Observatory said. Minor ash deposits are visible at the volcano, located 480 miles southwest of Anchorage.
Mount Veniaminof
Anchorage Daily News

Air quality alert from wind storm and blowing ash
Strong northwesterly winds in the vicinity of Katmai and the Valley of Ten Thousand Smokes have picked up loose volcanic ash eruption and carried it to the southeast toward Kodiak Island today. The maximum cloud height is 5,000 ft above sea level. This is not the result of recent volcanic activity and occurs during times of high winds and dry snow-free conditions in the Katmai area.

Shishaldin Volcano eruption raises alert level to red
Shishaldin Volcano is spewing ash up to 27,000 feet in sky, leading to flight cancelations.
Shishaldin Volcano
KTUU

Aleutian island volcano again sends ash cloud nearly 5 miles high
Shishaldin Volcano also erupted last month, sending ash over the Bering Sea.
Mount Shishaldin, Alaska, United States
Anchorage Daily News

Glaucous-winged Gulls (Larus glaucescens) Nesting on Bogoslof Island
"Since the last eruption event, most seabird species that previously nested on the island have returned and made attempts to breed again...but the habitat is currently not ideal."
Bogoslof Island, Alaska, United States
Melissa Good, Kathy Kuletz, Chris Price, Nikki Whittern

Rare eruption of Russia's Raikoke Volcano Erupts
Unlike some of its perpetually active neighbors on the Kamchatka Peninsula, Raikoke Volcano on the Kurile Islands rarely erupts. The small, oval-shaped island most recently exploded in 1924 and in 1778.
WDRB

Shiveluch volcano (Kamchatka) Eruption
Shiveluch volcano (Kamchatka) in Kamchata is erupting. Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Tokyo warned about a volcanic ash plume that rose up to estimated 33000 ft (10100 m) altitude or flight level 330 and is moving at 55 kts in S direction.
Volcano Discovery

Shiveluch Volcano Erupts in Eastern Russia
The Shiveluch volcano in Russia's Far Eastern Kamchatka region has erupted, spewing ash some 13km above sea level.Officials from the region's Emergency Situations Ministry have confirmed that the ash is not expected to land on nearby settlements, Meanwhile a "red warning" has been issued to passing planes, urging them to avoid the site.The Shiveluch volcano is extimated to be between 60,000 and 70,000 years old.
Shiveluch Volcano, Kamchatka, Russia
The Moscow Times

Volcanic Ash Fall
Ash from Mount Pavlof Lands in Nelson Lagoon
Nelson Lagoon, Alaska, United States

Volcano eruption near Tonga was so powerful, Alaskans could hear it from 6,000 miles away
Waves of up to about 3 feet reached parts of Alaska by Saturday morning. But hours before those waves arrived, sounds from the blast reached the homes of many Alaskans - all the way from Juneau to the Aleutians.
Palmer, Alaska, United States
Bristol Bay Times

Volcano erupts on Atlantic island; lava destroys some homes
The president of the Canary Islands said that by 11 p.m. some 5,000 people had been evacuated from their homes.
Los Llanos de Aridane, Canary Islands, Spain

Shishaldin Volcano spews new ash cloud, prompting aviation warnings
“Significant ash emissions” were possible for several hours following the unrest on Shishaldin Volcano in the Aleutians, according to the Alaska Volcano Observatory.
Mt. Shishaldin

Iceland volcano near Reykjavik erupts for the 7th time in a year
Around 50 homes were evacuated, along with guests at the famous Blue Lagoon resort, according to the national broadcaster.
Reykjavík, Capital Region, Iceland

Support

Observation Template