Earthquake!

On May 22, 1960 at 3:11 p.m. local time, a magnitude 9.5 earthquake struck the coast of southern Chile. It was the largest earthquake ever recorded and what followed was not a single disaster but a cascade: tsunamis, landslides, flooding, and a volcanic eruption. Please scroll down for timestamps and safety information. 👇 Important message: We want to remove ads from the QuakeFeed app ASAP! We'd...

Linda and Sequoya give an overview of the new Post ShakeAlert Message Summaries and answer an FAQ regarding tsuami info. Then James and Sequoya tell some jokes because June is just around the corner, so you know what that means… Yes, we're bringing dad jokes back to QuakeFeed in honor of Father's Day! Lastly, we discuss whether or not Linda is an AI or a human being, and the emails that inspired o...

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 l...

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 ga...

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 . There you can find highly rated organizations that are helping those impacted by Hurricane Melissa. Then we continue with a...

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 effecti...

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....

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...

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 freez...

On July 4, 2019, a magnitude 6.4 earthquake struck near Ridgecrest, a town in California's Mojave Desert. Thirty-four hours later, a magnitude 7.1 earthquake hit the same area – the largest to strike California in 20 years. Shaking was felt across California, Arizona, and Nevada. The earthquakes killed one person, injured 25, and caused surface ruptures stretching 30 miles with ground displacement...

On June 29, 1925, at 6:44 a.m., a magnitude 6.8 earthquake struck Santa Barbara, California, killing 13 people and damaging 85% of its downtown buildings. Three brave and quick-thinking utility workers immediately cut power and gas to the entire city, preventing widespread fires, saving lives, and shielding Santa Barbara from further destruction.  This gave engineers and seismologists a rare labor...

A quick update from QuakeFeed HQ! Here's what we've been working on: "On This Day in Earthquake History" — now available as Substack posts and podcast episodes. QuakeFeed v6.5.5 is out now! This update includes links to our "On This Day" Substack and podcast content. Preparing for Apple's "Liquid Glass" — a major iOS redesign is coming in September 2025. Learn more here. Plus: A a few quick safety...

Join Linda, James, and Sequoya as they honor dads everywhere with earthquake-themed dad jokes – we're talking truly groan-worthy puns about tectonic plates, fault lines, and confused pets trying to figure out earthquake drills. This special Father's Day episode pays tribute to James's late father, a legendary math teacher and swim coach who brought humor into everything he did. For a limited time,...

Hosts Linda and Sequoya explore the catastrophic 1980 eruption of Mount St. Helens through the contrasting stories of two men: 83-year-old lodge owner Harry R. Truman, who stubbornly refused evacuation despite repeated warnings, and 30-year-old volcanologist David A. Johnston, whose final radio transmission—"Vancouver! Vancouver! This is it!"—immortalized his ultimate sacrifice for public safety....

We exhaust our repertoire of tectonic plate jokes while introducing the following topics: the earth's layers, what are tectonic plates, three types of plate boundaries, plate boundaries vs faults, and how earthquakes happen. This is a brief overview to lay the groundwork. (… pun intended!) Future episodes will dive deeper. INTERACTIVE LESSON We explain how to use the QuakeFeed app to locate plate...

*NOT A FULL EPISODE* Just a quick announcement about QuakeFeed v5.1.0, available now in the App Store. This update adds three new features: USA Wildfires, Map Legend, and Aftershock Forecasts. The USA Wildfires data layer requires a QuakeFeed Premium subscription. While viewing the map, tap on a wildfire symbol to view detailed information, such as: acres burned, percent contained, how many buildi...

You'll laugh, you'll cry, you'll learn how to protect yourself in an earthquake! When the shaking starts, what should you do? We use a bit of humor to help you remember that Drop, Cover and Hold On reduces your chance of injury in an earthquake. We also dispel some common myths about earthquake safety. We hope you enjoy. Stay safe! Links for more learning: Drop, Cover, Hold On | Shakeout.org https...

Linda and Sequoya travel through time to April 14, 1906 and visit San Francisco. They ride a cable car down Market Street and see a bustling, prosperous city. Next, they travel forward four days and witness the 1906 San Francisco Earthquake. The devastating M7.9 quake and the fire that followed took 3,000 lives and destroyed 80% of the city. It also marked the dawn of modern scientific earthquake...

Coming soon, a new podcast about earthquake science and safety. Are you curious about what causes the earth to shake? Do you know how to stay safe when it does? Join us to learn the answers to these questions and more. We'll also share interesting stories about historical earthquakes and discuss notable quakes that happened recently.