Glyn Williams-Jones
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Glyn Williams-Jones
@volcancanuck.bsky.social
470 followers 250 following 180 posts
Professor in Volcanology, Simon Fraser University in lovely British Columbia 🍁 Interested in🌋of course but also all sorts of natural hazards & science generally.
www.sfu.ca/volcanology
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Glyn Williams-Jones @volcancanuck.bsky.social · Dec 1
Although a newb to Bluesky, since #volcanism & #volcanoes is what I've spent my academic career on, I decided to have a go at a curated #Volcanology Feed with the hope of helping build a resource for rapid 🌋news

bsky.app/profile/did:...

Still a work in progress so bear with me!
volcancanuck.bsky.social
Shared on behalf of the USGS: HVO Volcano Watch for February 5, 2026
#volcano #earthscience #geology #science

"New Hawaii citizen science tool: Is Tephra Falling?"

www.usgs.gov/observatorie...
Volcano Watch — New Hawaii citizen science tool: Is Tephra Falling?
During Kīlauea summit lava fountaining episode 41, residents and visitors shared their observations of tephra falling via email, phone calls, and on social media. A new online tool, “Is Tephra Falling...
www.usgs.gov
February 6, 2026 at 9:53 PM
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Shared on behalf of the USGS: YVO Yellowstone Caldera Chronicles for February 2, 2026
#volcano #earthscience #geology #science

"Yellowstone earthquakes that are related to ground deformation"

www.usgs.gov/observatorie...
Yellowstone earthquakes that are related to ground deformation
We know that Yellowstone is an active volcanic system due to the high rate of seismicity and the active ground deformation. What happens when those two things are happening simultaneously, like they a...
www.usgs.gov
February 2, 2026 at 3:40 PM
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Shared on behalf of the USGS: HVO Volcano Watch for January 15, 2026
#volcano #earthscience #geology #science

"When it rained rocks: tephra fall during Kīlauea's episode 41"

www.usgs.gov/observatorie...
Volcano Watch — When it rained rocks: tephra fall during Kīlauea’s episode 41
Large lava fountains streamed from both the north and south vents reaching heights of at least 1475 feet (450 meters) during episode 41 of Kīlauea’s summit eruption on January 24, 2026. Strong updraft...
www.usgs.gov
January 30, 2026 at 4:34 PM
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Shared on behalf of the USGS: YVO Yellowstone Caldera Chronicles for January 26, 2026
#volcano #earthscience #geology #science

"The largest thermal area in Yellowstone National Park: Lower Geyser Basin"

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The largest thermal area in Yellowstone National Park: Lower Geyser Basin
Yellowstone is a land of superlatives. Even in such an environment, the Lower Geyser Basin stands out as one of the most spectacular areas in the park.
www.usgs.gov
January 28, 2026 at 10:12 PM
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Shared on behalf of the USGS: HVO Volcano Watch for January 15, 2026
#volcano #earthscience #geology #science

"What do small earthquakes beneath Kīlauea summit mean for the ongoing eruption?"

www.usgs.gov/observatorie...
Volcano Watch — What do small earthquakes beneath Kīlauea summit mean for the ongoing eruption?
“Volcano Watch” articles over the past two weeks have described past episodic lava fountaining eruptions at Kīlauea Iki (1959) and Maunaulu (1969). Next week, we will continue this series with a summa...
www.usgs.gov
January 23, 2026 at 9:19 PM
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Shared on behalf of the USGS: YVO Yellowstone Caldera Chronicles for January 19, 2026
#volcano #earthscience #geology #science

"How many eruptions has Yellowstone had?"

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How many eruptions has Yellowstone had?
When trying to understand the behavior of a volcanic system like Yellowstone and the likelihood it will have another eruption, it is important to determine how many eruptions occurred in the past and ...
www.usgs.gov
January 19, 2026 at 3:32 PM
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Shared on behalf of the USGS: HVO Volcano Watch for January 15, 2026
#volcano #earthscience #geology #science

"The 1969 Maunaulu eruption: 12 lava fountaining episodes"

www.usgs.gov/observatorie...
Volcano Watch — The 1969 Maunaulu eruption: 12 lava fountaining episodes
Last week’s “Volcano Watch” article reviewed the lava fountaining eruption of Kīlauea Iki in 1959. This week, we’ll continue looking back in time at the next episodic lava fountaining eruption in Kīla...
www.usgs.gov
January 16, 2026 at 12:47 AM
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Shared on behalf of the USGS: YVO Yellowstone Caldera Chronicles for January 12, 2026
#volcano #earthscience #geology #science

"It’s baaaaaack… The Norris Uplift Anomaly"

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It’s baaaaaack… The Norris Uplift Anomaly
In July 2025, an area on the north rim of Yellowstone caldera began to uplift slightly. This area also experienced uplift during 1996–2004.
www.usgs.gov
January 12, 2026 at 3:26 PM
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Shared on behalf of the USGS: HVO Volcano Watch for January 8, 2026
#volcano #earthscience #geology #science

"A look back on the episodic Kīlauea Iki eruption in 1959"

www.usgs.gov/observatorie...
Volcano Watch — A look back on the episodic Kīlauea Iki eruption in 1959
A series of lava fountains building a cone perched on the crater rim...sounds like the ongoing eruption in Halemaʻumaʻu at the summit of Kīlauea, but this description could also fit the Kīlauea Iki er...
www.usgs.gov
January 9, 2026 at 4:18 AM
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Shared on behalf of the USGS: YVO Yellowstone Caldera Chronicles for January 5, 2026
#volcano #earthscience #geology #science

"The top Yellowstone geological stories of 2025"

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The top Yellowstone geological stories of 2025
With 2026 having arrived, Caldera Chronicles looks back on the past year of geological stories in Yellowstone National Park
www.usgs.gov
January 5, 2026 at 3:37 PM
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Shared on behalf of the USGS: HVO Volcano Watch for January 2, 2026
#volcano #earthscience #geology #science

"Hauʻoli Makahiki Hou: a round-up of fireworks from Kīlauea's fountains"

www.usgs.gov/observatorie...
Volcano Watch — Hau’oli Makahiki Hou: a round-up of fireworks from Kīlauea’s fountains
Kīlauea has been providing “fireworks” all year long on the Island of Hawaiʻi, and today we present a summary in commemoration of the New Year.
www.usgs.gov
January 2, 2026 at 4:44 PM
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Shared on behalf of the USGS: YVO Yellowstone Caldera Chronicles for December 29, 2025
#volcano #earthscience #geology #science

"Idaho’s forgotten eruptions—the Challis volcanics"

www.usgs.gov/observatorie...
Idaho’s forgotten eruptions—the Challis volcanics
Although the Yellowstone hotspot burned a swath of volcanic chaos across southern Idaho during the past 17 million years, it was an earlier period of volcanism, unrelated to Yellowstone, that shaped t...
www.usgs.gov
December 31, 2025 at 2:22 PM
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Shared on behalf of the USGS: HVO Volcano Watch for December 26, 2025
#volcano #earthscience #geology #science

"It's a twister! Or is it?" Unraveling Kīlauea's Volcanic Whirlwinds

www.usgs.gov/observatorie...
Volcano Watch — “It’s a twister!” Or is it? Unraveling Kīlauea’s Volcanic Whirlwinds
Despite the popularity of "Wicked" lately, we’re not talking about that particular twister. We’re talking about the tornado- or whirlwind-like phenomenon that has shown up frequently over the past yea...
www.usgs.gov
December 31, 2025 at 2:20 PM
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Shared on behalf of the USGS: YVO Yellowstone Caldera Chronicles for December 22, 2025
#volcano #earthscience #geology #science

The story of the Gallatin Range—magnificent mountains northwest of Yellowstone Caldera

www.usgs.gov/observatorie...
The story of the Gallatin Range—magnificent mountains northwest of Yellowstone Caldera
Mountain building occurred all around the Yellowstone region and highlights a tortured geological history of uplift and volcanism. The Gallatin Range, just northeast of Yellowstone Caldera, is an exce...
www.usgs.gov
December 23, 2025 at 11:41 AM
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Shared on behalf of the USGS: HVO Volcano Watch for December 18, 2025
#volcano #earthscience #geology #science

One year of Kīlauea’s episodic summit fountaining: highlighting the hazards

www.usgs.gov/observatorie...
Volcano Watch — One year of Kīlauea’s episodic summit fountaining: highlighting the hazards
On December 23, 2024, a unique eruption began in Kīlauea’s Halemaʻumaʻu crater, with a style of activity not seen for nearly 40 years. The eruption, characterized by high lava-fountaining episodes, ha...
www.usgs.gov
December 19, 2025 at 3:19 PM
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Shared on behalf of the USGS: YVO Yellowstone Caldera Chronicles for December 15, 2025
#volcano #earthscience #geology #science

"The case of the missing sulfur dioxide at Yellowstone"

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The case of the missing sulfur dioxide at Yellowstone
Beneath Yellowstone's steaming geysers and fumaroles lies a chemical mystery: where did all the sulfur dioxide go?
www.usgs.gov
December 15, 2025 at 4:22 PM
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Shared on behalf of the USGS: HVO Volcano Watch for December 11, 2025
#volcano #earthscience #geology #science

"(Lava) fountains of knowledge: announcing January 2026 Volcano Awareness Month events on the Island of Hawaiʻi"

www.usgs.gov/observatorie...
Volcano Watch — (Lava) fountains of knowledge: announcing January 2026 Volcano Awareness Month events on the Island of Hawaiʻi
As the year 2025 comes to a close, we reflect on the historic past year of volcanic activity on the Island of Hawaiʻi. Thirty-eight episodes of lava fountaining at the summit of Kīlauea remind us that...
www.usgs.gov
December 11, 2025 at 10:21 PM
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Shared on behalf of the USGS: YVO Yellowstone Caldera Chronicles for December 8, 2025
#volcano #earthscience #geology #science

"How GPS data navigate from satellites to your screen"

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How GPS data navigate from satellites to your screen
GPS stations in Yellowstone can clearly show how the ground moves, but this simple measurement requires the data to go on a complex journey.
www.usgs.gov
December 8, 2025 at 3:39 PM
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Shared on behalf of the USGS: HVO Volcano Watch for December 4, 2025
#volcano #earthscience #geology #science

"Tracking the growth of a new puʻu at Kīlauea"

www.usgs.gov/observatorie...
Volcano Watch — Tracking the growth of a new puʻu at Kīlauea
Tephra formed by lava fountains during the ongoing Kīlauea summit eruption has created a new puʻu (hill) southwest of Halemaʻumaʻu crater. The new puʻu is visible from the public viewing areas around ...
www.usgs.gov
December 5, 2025 at 12:52 AM
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Shared on behalf of the USGS: YVO Yellowstone Caldera Chronicles for December 1, 2025
#volcano #earthscience #geology #science

"Patterns of earthquakes over time in Yellowstone highlight the complexity of seismic swarms"

www.usgs.gov/observatorie...
Patterns of earthquakes over time in Yellowstone highlight the complexity of seismic swarms
Applying artificial intelligence approaches to a 15-year-long seismic record reveals how all the small earthquakes that occur in the Yellowstone region are related in space and time.
www.usgs.gov
December 1, 2025 at 3:24 PM
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Shared on behalf of the USGS: HVO Volcano Watch for November 28, 2025
#volcano #earthscience #geology #science

"The legacy of the 1975 earthquake: 50 years of study at Kīlauea’s south flank"

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Volcano Watch — The legacy of the 1975 earthquake: 50 years of study at Kīlauea’s south flank
The 1975 Kalapana earthquake brought big changes to lives of the people affected by the fatalities and damage, as well as big changes to our understanding of Kīlauea’s south flank.
www.usgs.gov
November 28, 2025 at 10:03 PM
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Shared on behalf of the USGS: YVO Yellowstone Caldera Chronicles for November 24, 2025
#volcano #earthscience #geology #science

"Was there ever a Yellowstone on Mars?"

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Was there ever a Yellowstone on Mars?
Yellowstone is not just a fantastic natural laboratory for Earth-based studies.  A better understanding of hydrothermal activity in the first National Park can also provide clues about what Mars might...
www.usgs.gov
November 24, 2025 at 3:15 PM
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Shared on behalf of the USGS: HVO Volcano Watch for November 20, 2025
#volcano #earthscience #geology #science

"Remembering the destructive Kalapana earthquake 50 years ago"

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Volcano Watch — Remembering the destructive Kalapana earthquake 50 years ago
Fifty years ago this month, the largest Hawaii earthquake of the 20th and 21st centuries occurred. Earthquake shaking, as well as ground subsidence and local tsunami, contributed to a catastrophic seq...
www.usgs.gov
November 21, 2025 at 4:48 PM
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Shared on behalf of the USGS: YVO Yellowstone Caldera Chronicles for November 17, 2025
#volcano #earthscience #geology #science

"A mission to repair one of the most interesting GPS monitoring stations in Yellowstone"

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A mission to repair one of the most interesting GPS monitoring stations in Yellowstone
Many of the monitoring sites in Yellowstone National Park are located in remote areas.  When they go offline, a lot of preparation and effort is necessary to bring them back to functionality.
www.usgs.gov
November 17, 2025 at 3:27 PM
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Shared on behalf of the USGS: HVO Volcano Watch for November 13, 2025
#volcano #earthscience #geology #science

"Catching up on Kīlauea: 36 episodes and counting"

www.usgs.gov/observatorie...
Volcano Watch — Catching up on Kīlauea: 36 episodes and counting
The summit eruption of Kīlauea continues, with 36 episodes of lava fountaining since the eruption began on December 23, 2024. Let’s catch up on the events and hazards associated with the volcano’s mos...
www.usgs.gov
November 14, 2025 at 2:46 AM