Are you curious about what causes the earth to shake? Do you know how to stay safe? Join us to learn about earthquake science, safety, and history. Warning: includes many silly jokes and puns ...because learning should be FUN!
1960 Valdivia Earthquake – The Largest Ever Recorded
This episode explores the 1960 Valdivia earthquake, the largest ever recorded, detailing its devastating cascade of tsunamis, landslides, and volcanic activity.
19 May 2026TRANSCRIPT
QuakeFeed v6.6.8, FAQ, & News
Host Linda and guest Sequoya discuss QuakeFeed updates, tsunami information, and AI theories in this interview episode.
17 Dec 2025
QuakeFeed 6.6.2: What Do Those Little Icons Mean?
QuakeFeed version 6.6.2 is now available in the App Store. This update contains a new feature that we're excited about because it brings us closer to our goal of making the QuakeFeed community the smartest, most knowledgeable group of earthquake nerds on the planet!
Have you ever noticed the small icons in the QuakeFeed earthquake list? Here are some examples:
These icons indicate that there are links to additional information about this event on the earthquake details screen. In the episode, we explain what each icon means, and what to do when you see them.
⏱️ Timestamps
00:00 – Intro
00:21 – Humor to lower stress
00:46 – Our idealistic vision
01:02 – A chance to learn
01:35 – Combating fake AI bullsh*t
02:17 – Blue wave = tsunami info
03:15 – Bar chart = PAGER
04:14 – Binoculars = Aftershock Forecast
05:23 – Bookmark = Substack articles
06:24 – Purple microphone = Podcast episodes
06:57 – Gray W = Wikipedia article
07:20 – Closing
📚 Learn More
What do all those little icons mean? (QuakeFeed Substack, December 2025)
https://quakefeed.substack.com/p/what-do-all-those-little-icons-mean
M7.6 Aomori Prefecture Earthquake (QuakeFeed Substack, December 2025)
https://quakefeed.substack.com/p/m76-earthquake-strikes-off-japans
Seven Steps to Earthquake Safety (Earthquake Country Alliance)
https://www.earthquakecountry.org/sevensteps/
Why We Put Dad Jokes in QuakeFeed (QuakeFeed Substack, June 2025)
https://quakefeed.substack.com/p/dad-jokes-for-fathers-day
📱 Download QuakeFeed for Real-Time Alerts
Stay informed – get the QuakeFeed app now:
https://apps.apple.com/app/quakefeed-earthquake-alerts/id403037266
Subscribe to QuakeFeed Premium for the full range of features – it's free for 30-days for first-time subscribers. We also support Family Sharing, so you can share your subscription with 5 family members. Learn more:
https://support.apple.com/en-us/105062
🌍 Connect with Us
Substack: https://quakefeed.substack.com
YouTube: https://youtube.com/@QuakeFeed
Instagram: https://instagram.com/QuakeFeed
Twitter/X: https://twitter.com/QuakeFeed
🙌 Support the Show
If you found this episode helpful, please rate, review, and share it. Your support helps others stay informed and prepared.
🎵 Music By Soularflair
Bio on FMA: https://freemusicarchive.org/music/Soularflair/bio
CC-BY License: https://creativecommons.org/licenses/by/4.0/
23 Nov 2025
6.5.8 Update + Happy Thanksgiving!
Join Linda and Sequoya as they introduce QuakeFeed v6.5.8, a bug fix update that brings back a fan favorite: Dad Jokes!
For a limited time, we've replaced the ads in the earthquake list with holiday-themed humor. Earthquakes are serious – it's true – but your earthquake app doesn't have to feel bah humbug all the time. And you never know when a terrible pun might come to your rescue at a family gathering.
Not a dad joke fan? (cough Scrooge! cough) QuakeFeed Premium subscribers can turn them off and enjoy a completely joke-free experience.
Download QuakeFeed from the iOS App Store to track earthquakes, wildfires, and volcanoes – now with a side of family humor.
⏱️ Timestamps
00:00 – Welcome
00:23 – What's New in v6.5.8
01:01 – A Coarse Joke
01:15 – A Cute Joke
01:37 – A Gross Joke
01:44 – For the Scrooges
02:07 – Closing + Oops!
📚 Learn More
Why We Put Dad Jokes in QuakeFeed (QuakeFeed Substack, June 2025)
https://quakefeed.substack.com/p/dad-jokes-for-fathers-day
📱 Download QuakeFeed for Real-Time Alerts
Stay informed – get the QuakeFeed app now:
https://apps.apple.com/app/quakefeed-earthquake-alerts/id403037266
Subscribe to QuakeFeed Premium for the full range of features – it's free for 30-days for first-time subscribers. We support Family Sharing, so you can share your subscription with 5 family members. Learn more:
https://support.apple.com/en-us/105062
🌍 Connect with Us
Substack: https://quakefeed.substack.com
YouTube: https://youtube.com/@QuakeFeed
Instagram: https://instagram.com/QuakeFeed
Twitter/X: https://twitter.com/QuakeFeed
🙌 Support the Show
If you found this episode helpful, please rate, review, and share it. Your support helps others stay informed and prepared.
🎵 Music By Soularflair
Bio on FMA: https://freemusicarchive.org/music/Soularflair/bio
CC-BY License: https://creativecommons.org/licenses/by/4.0/
2 Nov 2025
QuakeFeed Status Update + How to Help Hurricane Melissa Recovery
In this episode, we begin with Hurricane Melissa, which made landfall in Jamaica on October 28th as a Category 5 storm and then tore a path of destruction through the Caribbean. If you would like to help support disaster response and recover, please visit Charity Navigator (https://www.charitynavigator.org/discover-charities/where-to-give/hurricane-melissa-2025/). There you can find highly rated organizations that are helping those impacted by Hurricane Melissa.
Then we continue with a QuakeFeed status update. We share our plan and timeline for the next few QuakeFed app updates – including how and when we plan to support iOS 26. We also talk about new content we creating, such as the On This Day in Earthquake History series. We close with a few words about why we think learning about historical earthquake events is important and helpful.
⏱️ Timestamps
00:00 - Welcome & Episode Overview
00:15 – Hurricane Melissa Timeline
00:45 – Melissa's Impact
01:25 – How to Support Melissa Recovery
01:49 – SK Calls Linda Rusty & Robotic
02:18 – What We've Been Working On
02:46 – Plan & Timeline for QuakeFeed Updates
04:03 – Cringey Joke
04:28 – New Help Docs & OTD EQ Series Content
05:09 – Why Learning About Historical EQ is Important
06:21 - Closing
🌀 How to Help Hurricane Melissa Recovery
Discover highly rated charities providing relief and recovery to those impacted by Hurricane Melissa on Charity Navigator.
https://www.charitynavigator.org/discover-charities/where-to-give/hurricane-melissa-2025/
📚 Learn More About Hurricane Melissa
🔗 QuakeFeed Substack: Hurricane Melissa
https://quakefeed.substack.com/p/hurricane-melissa-makes-landfall
🔗 Wikipedia: Hurricane Melissa
https://en.wikipedia.org/wiki/Hurricane_Melissa
🔗 NOAA National Hurricane Center
https://www.nhc.noaa.gov/
▶️ Learn More About iOS 26 and Liquid Glass
https://www.youtube.com/watch?v=jGztGfRujSE (https://www.youtube.com/watch?v=jGztGfRujSE)
📱 Download QuakeFeed for Real-Time Alerts
Stay informed – get the QuakeFeed app now:
https://apps.apple.com/app/quakefeed-earthquake-alerts/id403037266
Want to also view Hurricanes on the QuakeFeed map? Subscribe to QuakeFeed Premium for the full range of features – it's free for 30-days for first-time subscribers.
🌍 Connect with Us
Substack: https://quakefeed.substack.com
YouTube: https://youtube.com/@QuakeFeed
Instagram: https://instagram.com/QuakeFeed
Twitter/X: https://twitter.com/QuakeFeed
🙌 Support the Show
If you found this episode helpful, please rate, review, and share it. Your support helps others stay informed and prepared.
🎵 Music By Soularflair
Bio on FMA: https://freemusicarchive.org/music/Soularflair/bio
CC-BY License: https://creativecommons.org/licenses/by/4.0/
11 Aug 2025
2025 Kamchatka Peninsula Earthquake
On July 30, 2025, at 11:24 a.m. local time, a magnitude 8.8 earthquake struck off the east coast of Russia's Kamchatka Peninsula, generating a Pacific-wide tsunami. Although this powerful earthquake was tied as the sixth strongest ever recorded by seismometers, the tsunami was weaker than initially feared, and the impact in terms of loss of life was minimal. In this episode, we examine how effective planning and warning systems helped minimize casualties. We also debunk a myth about a "parade of erupting volcanoes" and share essential tsunami safety information – all while doing our best to pronounce some beautifully complicated place names.
⏱️ Timestamps
00:00 – Welcome message
00:15 – 2025 Kamchatka Peninsula earthquake
00:33 – Kuril-Kamchatka Trench
00:40 – Shaking intensity & impact
01:00 – Pacific-wide tsunami
01:22 – Tsunami less destructive than feared
01:56 – Lessons from 1952 earthquake
02:24 – Relocation of Severo-Kurilsk
02:37 – Planning + warnings helped save lives
02:48 – Parade of erupting volcanoes?
03:10 – Krasheninnikov eruption
03:22 – Four ongoing eruptions
03:31 – Multiple eruptions not unusual for Kamchatka
04:00 – Subduction zone earthquakes can trigger eruptions
04:33 – Tsunami safety information
05:06 – Natural warning signs
05:45 – 2004 Indian Ocean tsunami: Tilly Smith story
06:51 – Preparedness + education saves lives
06:59 – Our “why”
07:05 – More tsunami safety tips
07:44 – Closing message
📚 Learn More
🔗 QuakeFeed Substack: 2025 Kamchatka Peninsula Earthquake
https://quakefeed.substack.com/p/2025-kamchatka-earthquake
🔗 Cal OES: Tsunami Preparedness
https://www.caloes.ca.gov/office-of-the-director/operations/planning-preparedness-prevention/seismic-hazards/tsunami-preparedness/
🔗 NOAA / NWS: Tsunami Safety
https://www.weather.gov/media/owlie/TsunamiSafety-OnePager-02-28-2019.pdf
📱 Download QuakeFeed for Real-Time Alerts
Stay informed – get the QuakeFeed app now:
https://apps.apple.com/app/quakefeed-earthquake-alerts/id403037266
Want to view the 2025 Kamchatka Peninsula Earthquake on an interactive map that shows the MMI Contours and the Erupting Volcanoes? Subscribe to QuakeFeed Premium for the full range of features – it’s free for 30-days for first-time subscribers.
🌍 Connect with Us
Substack: https://quakefeed.substack.com
YouTube: https://youtube.com/@QuakeFeed
Instagram: https://instagram.com/QuakeFeed
Twitter/X: https://twitter.com/QuakeFeed
🙌 Support the Show
If you found this episode helpful, please rate, review, and share it. Your support helps others stay informed and prepared.
🎵 Music By Soularflair
Bio on FMA: https://freemusicarchive.org/music/Soularflair/bio
CC-BY License: https://creativecommons.org/licenses/by/4.0/
6 Aug 2025
QuakeFeed v6.5.7 Update
QuakeFeed v6.5.7 available now in the App Store. We fixed a bug in the Filter by Alert Settings feature. This episode gives a quick overview of this feature and how to adjust data source and filter settings in QuakeFeed. Links to "how to" videos also included below. Big thank you to the member of the QuakeFeed community who brought this bug to our attention!
⏱️ Timestamps
00:00 – QuakeFeed v6.5.7
00:32 – Filter by Alerts
00:59 – Step-by-step Instructions
01:36 – Data Source and Filters
01:47 – Alert Settings
02:20 – How to Send Support Request
📚 Learn More
▶️ How To Use the Earthquake Data Source and Filters (v6.1.0 and higher)
https://www.youtube.com/watch?v=a6MWT_HMegM
▶️ How To Set-up Regional Alerts (v6.0.0 and higher)
https://www.youtube.com/watch?v=IBW2_i6JUD8
▶️ How To Set-up Nearby Alerts (v6.0.0 and higher)
https://www.youtube.com/watch?v=EE6XSW_9NC0
📱 Download QuakeFeed for Real-Time Alerts
Stay informed – get the QuakeFeed app now:
https://apps.apple.com/app/quakefeed-earthquake-alerts/id403037266
Subscribe to QuakeFeed Premium for the full range of features – it’s free for 30-days for first-time subscribers.
🌍 Connect with Us
Substack: https://quakefeed.substack.com
YouTube: https://youtube.com/@QuakeFeed
Instagram: https://instagram.com/QuakeFeed
Twitter/X: https://twitter.com/QuakeFeed
🙌 Support the Show
If you found this episode helpful, please rate, review, and share it. Your support helps others stay informed and prepared.
🎵 Music By Soularflair
Bio on FMA: https://freemusicarchive.org/music/Soularflair/bio
CC-BY License: https://creativecommons.org/licenses/by/4.0/
21 Jul 2025
1976 Tangshan Earthquake
On July 28, 1976, at 3:42 AM, a magnitude 7.5 earthquake struck the sleeping city of Tangshan, China. The official death toll was 242,469, making it the deadliest earthquake since modern seismic recording began.
Why was this earthquake so deadly? Learn about six factors that came together to create a worst case scenario.
⏱️ Timestamps
INTRODUCTION
00:00 – Welcome
00:18 – Topic Introduction
1976 EARTHQUAKE FACTS
00:35 –Tangshan in 1976
00:58 –Date, time, magnitude
01:21 – Deaths and Damage
WHY WAS THIS EARTHQUAKE SO DEADLY?
01:49 – Early morning; people were sleeping
02:20 – What is a survivable void?
02:56 – Shallow earthquake in urban area
03:18 – MMI X and XI shaking intensity
03:47 – Seismic hazard underestimated
04:07 – Unreinforced masonry buildings
04:35 – Sedimentary soils
05:07 – Liquefaction
05:23 – Damage hampered rescue operations
05:54 – Medical infrastructure destroyed
06:06 – Political turmoil
06:22 – International assistance declined
TURNING POINT IN SEISMIC SAFETY
06:55 – National seismic code in 1978
07:11 – Tangshan’s reconstruction
07:27 – Tangshan today
CLOSING
07:39 – Tangshan earthquake memorial
08:37 – Closing Message
📚 Learn More
🔗 QuakeFeed Substack: 1976 Tangshan Earthquake
https://quakefeed.substack.com/p/1976-tangshan-earthquake
🔗 Wikipedia: 1976 Tangshan Earthquake
https://en.wikipedia.org/wiki/1976_Tangshan_earthquake
▶️ Original B/W Footage of the Aftermath of the 1976 Tangshan Earthquake
https://www.youtube.com/watch?v=PGom7kU7b7A
📱 Download QuakeFeed for Real-Time Alerts
Stay informed – get the QuakeFeed app now:
https://apps.apple.com/app/quakefeed-earthquake-alerts/id403037266
Want to view the 1976 Tangshan Earthquake on an interactive map that shows the epicenter and shaking intensity? Subscribe to QuakeFeed Premium for the full range of features – including Historical Earthquakes. It’s free for 30-days for first-time subscribers.
🌍 Connect with Us
Substack: https://quakefeed.substack.com
YouTube: https://youtube.com/@QuakeFeed
Instagram: https://instagram.com/QuakeFeed
Twitter/X: https://twitter.com/QuakeFeed
🙌 Support the Show
If you found this episode helpful, please rate, review, and share it. Your support helps others stay informed and prepared.
🎵 Music By Soularflair
Bio on FMA: https://freemusicarchive.org/music/Soularflair/bio
CC-BY License: https://creativecommons.org/licenses/by/4.0/
21 Jul 2025
QuakeFeed v6.5.6 Update
Quick update from QuakeFeed HQ regarding v6.5.6 (available July 21, 2025).
How to close the “On This Day in Earthquake History” info panel.
Why it’s helpful to learn about historical earthquakes.
Feature freeze in preparation for iOS 26. (Learn more here.)
⏱️ Timestamps
00:00 – QuakeFeed v6.5.6
01:03 – Why learn about historical earthquakes?
01:42 – Planned OTD for August
02:04 – Feature freeze; prep for iOS 26
📚 Learn More
🎙️ QuakeFeed Podcast: v6.5.5 Update + Safety Tips
https://podcasts.apple.com/us/podcast/earthquake/id1562704664?i=1000714749658
🔗 Wikipedia: iOS 26
https://en.wikipedia.org/wiki/IOS_26
📱 Download QuakeFeed for Real-Time Alerts
Stay informed – get the QuakeFeed app now:
https://apps.apple.com/app/quakefeed-earthquake-alerts/id403037266
Want to view historical earthquakes on an interactive map that shows the epicenter, shaking intensity, and faults? Subscribe to QuakeFeed Premium for the full range of features – it’s free for 30-days for first-time subscribers.
🌍 Connect with Us
Substack: https://quakefeed.substack.com
YouTube: https://youtube.com/@QuakeFeed
Instagram: https://instagram.com/QuakeFeed
Twitter/X: https://twitter.com/QuakeFeed
🙌 Support the Show
If you found this episode helpful, please rate, review, and share it. Your support helps others stay informed and prepared.
🎵 Music By Soularflair
Bio on FMA: https://freemusicarchive.org/music/Soularflair/bio
CC-BY License: https://creativecommons.org/licenses/by/4.0/
3 Jul 2025
2019 Ridgecrest Earthquake Sequence: An Independence Day California Won't Forget
This episode examines the devastating 2019 Ridgecrest earthquake sequence in California, which caused significant damage and served as a case study for understanding earthquake patterns and stress transfer.
28 Jun 2025
1925 Santa Barbara Earthquake: How They Rebuilt with Safety and Style
This episode explores the 1925 Santa Barbara earthquake, detailing how the city rebuilt with enhanced seismic building codes and a unified Spanish Colonial Revival style, transforming into an iconic destination.
27 Jun 2025
QuakeFeed v6.5.5 Update + Safety Tips
QuakeFeed provides updates on the QuakeFeed v6.5.5 app, including links to earthquake history content and safety tips, while preparing for Apple's iOS redesign.
8 Jun 2025
Dad Jokes for Father's Day (Earthquake Edition)
Hosts Linda, James, and Sequoya celebrate Father's Day by sharing earthquake-themed dad jokes, honoring James's late father's legacy of humor.
20 May 2025
From Quiet Mountain to Cataclysm: The 1980 Eruption of Mount St. Helens
Hosts Linda and Sequoya recount the 1980 Mount St. Helens eruption through the stories of volcanologist David A. Johnston and lodge owner Harry R. Truman, highlighting the disaster's impact and scientific advancements.
18 Oct 2021
Plate Tectonics (part 1)
This episode introduces the Earth's layers, tectonic plates, plate boundaries, faults, and earthquake formation, providing a foundational understanding of these geological concepts.
26 Jul 2021
UPDATE: QuakeFeed v5.1.0 (with Wildfires!)
This episode announces the QuakeFeed v5.1.0 update, which introduces USA Wildfires data for premium subscribers, a map legend, and aftershock forecasts to improve user awareness.
5 May 2021
Drop, Cover, Hold On!
This episode humorously explains the "Drop, Cover, and Hold On" method, teaching listeners how to protect themselves during an earthquake and dispelling common myths about earthquake safety.
18 Apr 2021
A Trip Down Market Street
Linda and Sequoya explore the 1906 San Francisco earthquake, detailing the city's devastation and the start of modern earthquake research in the United States.
12 Apr 2021
Trailer: Earthquake!
This trailer introduces a new podcast exploring earthquake science and safety, promising to educate listeners on the causes, safety measures, and historical impact of earthquakes.
Inside a recent episode
1960 Valdivia Earthquake – The Largest Ever Recorded
Published 22 May 2026 · Transcript excerpt
[…] It marks the tectonic plate boundary where the Nazca Plate subducts beneath the South American Plate. This subduction zone is one of the world's most seismically active regions, with more than 20 earthquakes greater than magnitude 8.0 recorded there since 1900. It is also what formed the Andes Mountains along the western edge of South America and fuels an arc of active volcanoes there. The 1960 Valdevia earthquake was preceded by a series of three major earthquakes that were later recognized as a four-shock sequence. A magnitude 8.1 earthquake the day before on May 21, then a magnitude 7.1 earthquake struck at 6.32 am on the morning of May 22, followed by a magnitude 7.8 earthquake just 15 minutes prior to the main shock. […]
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