Oregon Hazards Lab

Three men upgrade a seismic monitoring station in a clearcut under a powerline.

Two men upgrade a seismic monitoring station at the edge of a forest.

A seismic monitoring station is at the edge of a forest.

A snowcapped mountain rises above surrounding forests and hills.

DYK the Pacific Northwest Seismic Network is managed jointly by UO, UW, and USGS? Together we operate 700+ seismic monitoring stations! #FieldWorkFriday

Field technicians from OHAZ and UW recently teamed up to upgrade VLM, a @pnsn1.bsky.social site NW of Mt. Hood. Team work makes the dream work! 🦆🐾

CRESCENT's Twinning Program is seeking mentor pairs to guide undergraduate students through a yearlong research project.

⏰ Applications close January 15, 2026
Program begins Fall 2026

Learn more and apply here ⬇️
cascadiaquakes.org/2024/10/03/m...

Thumbnail showing rupture zone of the 2004 earthquake and subsequent propagation of tsunami waves with text "Surprise Earthquake?"

On this World Tsunami Awareness Day, we look back at the 2004 Sumatra–Andaman earthquake and tsunami and reflect on the lessons learned and scientific advances made in tsunami warning. #TsunamiDay

Watch: The Science Behind the 2004 Sumatra–Andaman Earthquake & Tsunami
📽️ https://loom.ly/nvoYSSA

This graphic tells people to go to high ground if they are at the coast and get an earthquake early warning alert or feel shaking.

Today is World Tsunami Awareness Day.

If you are on the coast and feel shaking or get an earthquake early warning alert, you should #DropCoverHoldOn. Wait for shaking to stop. Then evacuate to high ground or inland. A tsunami may be coming!

Learn about #ShakeAlert at usgs.gov/FAQ/BeShakeAlertSafe.

A wildfire camera is on top of a telecommunications tower with the Columbia River Gorge visible in the background.

A young man hoists a wildfire camera on top of a telecommunications tower, with a desert and blue sky in the background.

We just added two new wildfire cameras in the Columbia River Gorge! #FieldworkFriday

The Stacker and Juniper cameras are in WA so they can spot fires on both sides of the river. Thanks Klickitat PUD for hosting them!

Live feeds will be available soon on ALERTWest.live and the @watchduty.org app.

This webinar is happening today at 1pm!

This graphic encourages people to register for a Zoom webinar about ShakeAlert Earthquake Early Warning for lifeline infrastructure.

The #ShakeAlert System rapidly detects earthquakes and alerts people before dangerous shaking arrives.

A free @cascadiaeqs.bsky.social webinar on 10/23 will share how community lifelines can use #EEW technology to protect critical infrastructure.

🔗 Register: cascadiaquakes.org/2025/09/08/c...

This flyer encourages people to attend a walk and talk program at the Museum of Natural and Cultural History at 2pm on October 16 at the Museum of Natural and Cultural History.

Today is the #ShakeOut earthquake drill! Join us at the @uoregon.bsky.social Museum of Natural and Cultural History for a special Walk & Talk about earthquakes and preparedness.

The program begins at 2pm at @uomnch.bsky.social. Learn more at mnch.uoregon.edu/index.php/learn/great-oregon-shakeout.

It's International ShakeOut Day! Take a moment at 10:16 a.m. (local time) to practice your “Drop, Cover, and Hold On."

If you live in an earthquake-prone region, it isn’t a question of if, but when an earthquake will occur. Be sure to make a plan and be prepared!

📽️ https://loom.ly/Nh4BnmE

Recent @Mariners games have been shaking things up enough for our seismometers to notice but those waves are all in good fun. It's a great reminder that real quakes can happen anytime. Join us tomorrow (10/16) for @ShakeOut and practice what to do when the ground really moves.

Only 2 days left until The Great #Nevada #ShakeOut on October 16th and 10:16am! Do you know what to do during an earthquake if you're indoors? What about outdoors? Learn some tips from our video: tinyurl.com/yxyseyb2

Tomorrow is the last day to donate to OHAZ via our Duckfunder! Your contribution would directly benefit our wildfire camera network. Thank you to everyone who has already supported us!

duckfunder.uoregon.edu/project/46953

Learn more about upcoming #ShakeOut events at cascadiaquakes.org/2025/09/08/2025-great-oregon-shakeout!

This infographic encourages people to participate in the ShakeOut earthquake drill on October 16.

ShakeOut is this Thursday! Are you participating in the world’s largest earthquake drill?

Register your family, school, or workplace to participate at shakeout.org.

Learn about #ShakeOut events on the @uoregon.bsky.social on campus at cascadiaquakes.org/2025/09/08/2025-great-oregon-shakeout.

Our week of events for #ShakeOut begins today! If you are a @uoregon.bsky.social student or employee, stop by our table in the EMU Fishbowl between 10am and 3pm to learn about earthquakes and preparedness!

This infographic encourages people to participate in the ShakeOut earthquake drill so they can practice how to Drop, Cover, and Hold On.

10/16 is #ShakeOut – the world’s largest earthquake drill!

Practice how to protect yourself during an earthquake. As soon as you feel shaking or get an alert from the #ShakeAlert #EEW System, #DropCoverHoldOn!

Register your drill at shakeout.org. #SeismicSaturday

Image with Dubs the Husky and PNSN Team Member doing a drop cover and hold on drill. Text about ShakeOut noting date (October 16, 2025) and link (shakeout.org). Bottom part of image shows cartoon Drop, Cover, Hold On panels.

Dubs is ready to #ShakeOut... Are you?
We’re just ONE WEEK away from the Great ShakeOut earthquake drill on October 16! Join Dubs in practicing Drop, Cover, and Hold On.
Register your participation and explore all the ways you can boost awareness for this event at shakeout.org.

PNSN install team standing along dugout with the empty green seats of TMobile Park behind them.

PNSN Field Engineer installing seismic instrument on concrete ground. Tool bag in foreground, black wall in background.

Looking over the right shoulder of PNSN Field Engineer working on laptop with green seismic instrument in background.

Green seismic instrument on ground, Grey and blue cable extending from rear.

Happy #FieldworkFriday Mariners fans! Cal Raleigh said he could feel the ground shaking in Game 2, so PNSN came to take a closer look! We installed a seismometer right here in T-Mobile Park to record seismic energy during game 5. Seattle, we want to feel this place rocking! #SeizeTheMoment

Join emergency preparedness and earthquake experts for a Reddit AMA starting today at 11am!

reddit.com/r/AMA/comments/1o1sb2j/ama_were_pacific_northwest_earthquake_tsunami/

International #ShakeOut Day is one week away! On Thursday, October 16 at 10:16 am (local time), join millions of people around the world practicing earthquake safety. Register and learn more at shakeout.org.

Be prepared and practice your Drop, Cover, and Hold On!

This graphic encourages people to register for the ShakeOut earthquake drill on October 16.

The #ShakeOut earthquake drill is on October 16!

OHAZ, @cascadiaeqs.bsky.social, UO Safety & Risk Services, and the Museum of Natural & Cultural History are hosting multiple events on the @uoregon.bsky.social campus next week.

Learn more at cascadiaquakes.org/2025/09/08/2025-great-oregon-shakeout.

This infographic shows a seismic monitoring station and encourages people to read the Oregon Hazards Lab newsletter.

Our fall 2025 newsletter has arrived! We provide important updates about OHAZ, recap the summer field season, and share upcoming ShakeOut events.

🔗 Read and subscribe at bit.ly/OHAZOct2025.

This graphic encourages people to sign up for ShakeAlert earthquake early warning alerts, OR-Alert, and UO Alerts.

Can your phone get #ShakeAlert #EEW alerts? Check that emergency alerts are enabled in your settings! You can also download @myshakeapp.bsky.social.

To get local and campus emergency alerts, register via oralert.gov and safety.uoregon.edu/alerts.

#ShakeOut #DropCoverHoldOn #SeismicSaturday

A Great Washington Shake Out bingo card. The free space is drop, cover, and hold on. Other spaces are filled with suggested activities such as telling a friend about shake out, registering for shake out, testing your evacuation plan, signing up for local emergency alerts, and learning about local hazards.

We're just 😱 2 weeks away 😱 from the Great Washington #ShakeOut. Looking for ways to shake up your ShakeOut game? Check out our bingo card for some good ideas and see if you can get a full house!

And don't forget to register at shakeout.org/washington/ to help us hit 1.7 million participants!

YouTube video by EMDPrepare Washington Earthquakes and Tsunamis 101

Did you miss our "Earthquakes and Tsunamis 101" webinar?

Thank you to everyone who attended and asked questions- using this opportunity to learn about earthquake and tsunami hazards and preparedness before the Great ShakeOut on 10/16!

Here's the recording: www.youtube.com/watch?v=L_Ty...

The University of Washington husky mascot, DUBS, sits on an office chair with a computer screen behind him reading "Get Ready to ShakeOut." A banner at the top encourages viewers to join the Great ShakeOut, and three graphics at the bottom explain how to Drop, Cover, and Hold On.

Who’s ready to #ShakeOut!? @DubsUW sure is! The Great @ShakeOut earthquake drill is just 2 weeks away, on October 16. Every year, millions across the globe participate. When the ground starts shaking, the best way to protect yourself is simple: DAWG (Drop), COVER, and HOLD ON!

This graphic describes upcoming events for ShakeOut on the University of Oregon campus during October.

The #ShakeOut earthquake drill is two weeks away!

OHAZ, @cascadiaeqs.bsky.social, and other partners are co-hosting a series of events on the @uoregon.bsky.social campus the week of October 13-17.

Learn more: cascadiaquakes.org/2025/09/08/2025-great-oregon-shakeout

This graphic encourages people to participate in the ShakeOut earthquake drill on October 16.

Join us in the #ShakeOut earthquake drill on October 16!

ShakeOut empowers you to practice #DropCoverHoldOn before you feel shaking or get a #ShakeAlert #EEW alert.

Learn about ShakeOut events on the @uoregon.bsky.social campus at cascadiaquakes.org/2025/09/08/2025-great-oregon-shakeout.

OHAZ mobile camera units are already making a difference on the #MoonComplexFire.

Rapidly deployed to incident last week, OHAZ Mobile Unit 3 is providing firefighters with real-time intelligence to make faster, safer decisions. This situational awareness helps to protect both crews and communities!

An infographic encourages people to know what to do in an earthquake that occurs while they are outside.

Happy National Public Lands Day! Oregon's beautiful landscapes were shaped by powerful geologic forces like earthquakes.

If you visit a park today for #NPLD, remember to be #ShakeAlert Ready Outdoors! Double check that you can get #EEW alerts on your phone and know the signs of earthquakes.