Aerial view of the Columbia Glacier region with labeled areas including Main Branch, West Branch, Rocky Outcrop, Great Nunatak, and Heather Island. Snow-capped mountains and greenery are visible. The image includes a scale showing 5 kilometers.

This image consists of two diagrams labeled "a" and "b." Both diagrams illustrate phases of glacier activity from a side view. In "a," the terminus of the glacier is floating in water, with labeled "Buoyancy" forces on the immersed terminus. Diagram "b" shows a glacier terminus supported by land, with a piece of glacier calving into the water, creating labeled "Pressure waves" and "Seismic waves" depicted with lines and arrows.

Glaciers can't talk,💬 but PhD student Sebin John's recently published research shows how the seismic record at Columbia Glacier tells the story of the glacier's retreat over past decades, with insights that could be useful for other tidewater glaciers in Alaska! https://bit.ly/4mJPqMC

To be fair, It depends where in Alaska and what kind of telemetry they have.

Sebin just defended his PhD in Geophysics at UAF, and the research he is presenting this week at the Seismological Society of America meeting is only about a third of what he studied! He looked at all of the tiny earthquakes that led up to last summer's Tracy Arm Landslide.

This week at the annual Seismological Society of America meeting, several of our researchers are presenting from across the spectrum of seismology, with an Alaska focus. Derreck Gossett helped build a new magnitude scale for Alaska seismic events. And YES, there's more than one magnitude scale!🙀

PhD student Cade Quigley is presenting this week at the Seismological Society of America conference on results from his experimental setups to capture large offshore earthquakes. This work tests how cutting-edge approaches to fast earthquake detection can fit into an earthquake early warning system.

What better way to talk about Gen3 than with GenZ (speak)? AEC's Austin Holland is at the Seismological Society of America annual meeting to describe our transition to a new computing platform for seismic analysis, and how it helps set the foundation for earthquake early warning.

The title is “What's Shaking Alaska?!” and the text reads “Week of April 8-15, 2026”. A map of Alaska in the background shows dots where earthquakes occurred. Other other text reads “About 600 earthquakes were detected, and 4 earthquakes were reported felt. The largest earthquake was a magnitude 5.3 on April 12, south of King Cove.”

What’s Shaking Alaska?! Seven Earthquake Center scientists are presenting their research this week in Pasadena, California at the annual Seismological Society of America conference. Listen to more about the variety of our research https://bit.ly/428LThd

Logo of Alaska Earthquake Center with concentric colorful circles and a seismic wave pattern. Text reads: "Making Waves at Seismological Society of America 2026."

Infographic announcing that Alaska Earthquake Center scientists will present their work at the Seismological Society of America 2026 and lists the event details: Pasadena, California, April 14-18. It mentions activities like monitoring earthquakes and testing new monitoring methods.

An infographic from the Alaska Earthquake Center. It features a photo of Michael West, director, and a diagram showing earthquake coda waveforms with labeled points P, S, and coda. Text reads: 'Coda-Derived Source Parameters of Shallow Earthquakes in Mainland Alaska.' A paragraph explains the process of using coda waveforms to assess earthquake magnitudes and apparent tectonic stress across mainland Alaska.

This infographic from the Alaska Earthquake Center about their Generation 3 real-time system, featuring a network diagram. The slide includes a photo of Austin Holland, the Director of Operations. Text describes advancements in seismic data processing capabilities. The diagram outlines the stages: onsite, offsite, and dev‑staging, with steps like "gather," "assess," and "distribute."

7 of our scientists and students flew down ✈️ to the wilds of Pasadena, California to present Earthquake Center seismic research at the 2026 Seismological Society of America conference. 🤩 Stay tuned for updates throughout the week!

This infographic contains text about seismic arrays for earthquake early warning in Alaska. It includes a map with seismic activity marked, and a photo of PhD student Cade Quigley in the top left corner. The title is "Designing seismic arrays for offshore Earthquake Early Warning applications: insights from coastal deployments in Alaska". A caption at the bottom describes research on seismic sensors in coastal Alaska for detecting large offshore earthquakes. The Alaska Earthquake Center logo is in the upper right corner.

And one more Earthquake Center presentation at the Seismological Society of America 2026 conference this week!

It was a busy weekend day for the University of Alaska Fairbanks Science Potpourri -- teaching kids (and their parents!) about earthquakes, how different buildings shake differently, and how accelerometers capture vibrations in three directions.

King Cove M5.3 | Alaska Earthquake Center Alaskan Earthquake Center

There was a magnitude 5.3 earthquake just after noon today, south of King Cove. It was about 15 miles deep, and has not yet been reported felt. If you're interested in more information or would like to report that you felt it, visit the event page: https://earthquake.alaska.edu/event/aka2026heypei

Happy #FieldWorkFriday! Our intrepid field engineer Shah Khan spent all last week visiting and repairing 15 strong-motion sites in the Anchorage area. These sensors are often housed in schools, churches, and fire stations, and we cherish these partnerships.

Seismic station CHI. Yellow cylinder in lower left holds the seismometer, hut with solar panels on right. Person next to red helicopter in mid-ground, ocean under cloudy sky in background.

What does the field team do out in the field? This new web story looks back at highlights from 2025, setting the stage for the coming summer as our team hits the ground! 🚁 🥾 https://bit.ly/4t7KHqq

The title is What's Shaking Alaska?! Week of April 1-8, 2026. A map of Alaska in the background shows dots where earthquakes occurred. About 600 earthquakes were detected, and 3 earthquakes were reported felt. The largest was a magnitude 4.9 earthquake on April 3 in the western Aleutians.

We pay tribute this week to the life and works of George Plafker, a geoscientist integral to understanding Alaska’s earthquake hazards, who passed a week ago. This week's audio shares some of his many accomplishments the Earthquake Center is thankful for: https://bit.ly/3OhcnK6

George Plafker, a geologist and seismologist integral to understanding the 1964 Great Alaska Earthquake and how it redefined plate boundary dynamics, passed away this weekend. Plafker won many notable awards for his contribution to the field, and is immortalized in this book.

2025 Seismicity Year in Review | Alaska Earthquake Center As we slide into spring here in Alaska, memories of last year’s earthquakes and other remarkable seismic events are probably fading fast.

2025 was notable in Alaska's seismic landscape: a mega-landslide, two earthquakes above magnitude 7, a couple of small tsunamis, and magnitude 5 and 6 earthquakes that kept us on our toes. Check out our home page for a look back at 2025, and an overview of the past decade. https://bit.ly/3PKiN58

The Alaska Earthquake Center is one of 12 Regional Seismic Networks of the Advanced National Seismic System (ANSS). Check out the ANSS 2025 StoryMap—Alaska features two of the four notable earthquakes (skip to "Notable Events" in the menu banner near the top): https://bit.ly/48g8a00

Geomorphtweeps - does anyone know of a bedrock canyon being carved by a single flood event? I know Mike Lamb @caltech.edu has published on some (Box Canyon and Canyon Lake Gorge) but are there others? Reskeet widely! 🧪⚒️

Really appreciate all the people who are watching the Iditarod who are helping school along the route.

Fingers crossed our legislature can do the same for all schools this year!

The latest MVO Weekly Report is now available.
Read this week’s summary of activity at the Soufrière Hills Volcano.
www.mvo.ms/wp-content/u...

Buldir Is M4.8 | Alaska Earthquake Center Alaskan Earthquake Center

We have reviewed a magnitude 4.8 event that occurred at 07:30 PM AK time. This event was located 149 miles ESE of Attu Station and 3 miles deep.
No reports of the event being felt have been received at this time.

For more information, please visit
earthquake.alaska.edu/event/aka202...

I wrote a little something about these events in the far west Aleutians. 🧪⚒️🪨

Kaktovik M4.2 | Alaska Earthquake Center Alaskan Earthquake Center

Good morning, Alaska! We have reviewed a magnitude 4.2 event that occurred at 07:59 AM AK time. This event was located 42 miles S of Kaktovik and 11 miles deep.
No reports of the event being felt have been received at this time.

For more info, please visit
earthquake.alaska.edu/event/aka202...

Acceleration. The @f1tv.bsky.social Grand Prix in #Melbourne this weekend will see a lot of it, and it can be a big deal when earthquakes make big “g” numbers, but not every high peak acceleration is a problem. Duration of shaking is a big factor.

Paper submission complete. I'm proud of this one so I hope reviewers like it.

Ya, we are so sick of the -40 days. And we have had a ton of snow too. This has been a bad winter.

Landslide and Avalanche Debris Litter Hubbard Glacier - NASA Science Satellite-based radar images show where a powerful earthquake in the Yukon, Canada, sent rock, snow, and ice spilling across the frozen landscapes of the St. Elias Mountains.

NASA Image of the Day about the earthquake in December 2025, w/ comments from @ericfielding.mastodon.social.ap.brid.gy. @geocron.bsky.social see here 🧪⚒️❄️🛰️

science.nasa.gov/earth/earth-...

It's earthquake safety time⏰! Test your preparedness savvy by answering this week's trivia question❓and help to guide your fellow Alaskans toward good decision-making during an emergency 🆘. First person to post the correct answer will be entered into our end-of-March drawing for AEC swag.

Wtaf