MyShake Earthquake Alerts

Review by eFreeware

A few seconds of warning before strong shaking reaches you can be the difference between standing in a doorway and standing next to a falling bookcase. That gap is the whole premise of earthquake early warning, and it is what MyShake is built to deliver. The app comes from the UC Berkeley Seismological Laboratory, with money from the California Governor's Office of Emergency Services, which gives it a research pedigree rather than a commercial one.

MyShake is free, carries no ads and has no subscriptions, which matters when the subject is public safety. It has been available since February 2016 and has passed a million installs, with a 3.8 average across more than five thousand ratings. Those numbers tell you it has found a real audience, though the average also suggests it has not pleased everyone.

What I find interesting is that it works on two levels at once. For people in the western United States it is a warning tool tied to an official detection system. For everyone else it is a window into earthquakes worldwide, plus a way to contribute readings from a phone. This review looks at what each of those layers actually offers and who gets the most from installing it.

Built for the West Coast first

Early warnings reach users in three West Coast states. It relies on USGS ShakeAlert and warns of quakes at magnitude 4.5 and up, seconds ahead of the shaking. That is the core promise, and it is a narrow one by design: this is not a global warning service, and the developer does not present it as one.

If you live, work or travel regularly in those three states, that narrowness is not a drawback. Someone in the Bay Area or the Puget Sound region gets a tool tuned to the faults that actually affect them. Someone in the Midwest or abroad gets the map, the notifications and the research side, but not the early warning itself.

The app is available in English, Spanish, Chinese Traditional, Filipino, Korean and Vietnamese, which is a wider language spread than most safety apps bother with. For households where English is not the first language, that makes the safety material and the alerts more usable.

Alerts that arrive before the shaking

Early warning here means a notification that reaches you in the seconds between a quake being detected and the arrival of strong motion. The developer describes the alerts as potentially life-saving, and the value is really in what those seconds let you do: step away from glass, get under a desk, stop a car safely, or move children away from shelves.

The system is tied to ShakeAlert rather than to MyShake's own sensors, so the reliability of the warning depends on the official network. The magnitude threshold of 4.5 is a deliberate filter, and it means smaller quakes that many people feel will not trigger an alert. That is a reasonable trade against constant buzzing, but it is worth understanding before you rely on it.

I would treat the warning as one layer of preparation rather than a replacement for it. Seconds of notice help most when you already know what to do with them, which is where the safety section comes in.

Preparedness material you can act on

The safety side of the app covers the unglamorous work: securing items that could fall or shift, putting together a disaster plan, and knowing how to respond while the ground is moving. Drop, Cover and Hold On is explained here, which is the standard guidance for anyone caught indoors during a quake.

What I appreciate about this section is that it is written for households rather than for specialists. Anchoring a bookcase or deciding where the family meets after an event are tasks almost anyone can complete in an afternoon, and they reduce risk in ways an alert cannot. An app cannot bolt furniture to a wall for you, but it can make the checklist obvious.

The developer's framing is preparedness first, warning second, and the order makes sense. If you install MyShake only for the alert and skip the guidance, you are using the smaller half of what it offers.

A world map with community reports

The map view shows earthquakes around the globe, and tapping into an event gives you its magnitude, location and depth. That combination is more useful than a bare list of numbers: depth in particular tells you something about how widely a quake was felt and how much energy reached the surface.

Alongside the official data, users can share their own experience of a quake and read reports of shaking and damage from other people in the area. During a significant event those reports fill in the picture between instrument readings and news coverage, especially in places where instruments are sparse.

For anyone with a general interest in geology or disaster news, the map is the part of MyShake that stays useful on quiet days. It turns the app from something you hope never to need into something you can check whenever a quake makes headlines.

Notifications on your terms

Beyond the early warning, MyShake sends notifications as earthquakes happen. You choose which regions interest you and set the magnitude you care about, so the app is not limited to the three warning states for this purpose. The developer promises you will not miss anything above magnitude 3.5.

That configurability is the difference between a useful feed and a nuisance. Someone with family in Japan or Chile can follow those regions without being pinged about every minor tremor in a distant ocean. Someone in a seismically active state can set a low threshold and accept more noise.

I would think about the threshold before setting it low. A steady stream of small-quake notifications is easy to tune out, and an alert you have learned to ignore is worth very little when a serious one arrives.

Your phone as a seismic sensor

The research component is the most unusual part of the app. Phones running MyShake can act as mini-seismometers, feeding readings into a global seismic network built on crowd-sourced data. The idea is that millions of ordinary devices, taken together, can detect earthquakes in regions that have no traditional seismic stations.

The developer describes this citizen-science network as having the potential to extend early warning to parts of the world that currently go without it. That is a long-term research goal rather than a feature you benefit from immediately, and it is worth reading it that way. The people who gain today are those covered by ShakeAlert.

Even so, the contribution costs you nothing beyond having the app installed. If you like the idea of your phone adding a data point to earthquake science, that is a reasonable reason to keep it on your device even outside the warning states.

No cost, no ads, no subscriptions

MyShake is free to download and use. There are no ads and no subscriptions, and the app does not offer in-app purchases. The app is a public-service tool, not a commercial product, and its state emergency services funding fits that model.

That combination is rare enough to be worth noting. Many free apps in the weather and safety space support themselves through advertising or paid tiers, but MyShake does not. There is no upgrade to consider and no feature held back behind a payment.

The practical effect is that you can judge the app purely on whether its features are useful to you. Nothing about the cost structure pushes you toward a decision, which is exactly what you want from something you may need in an emergency.

Alternatives worth weighing

The main comparison is with official or regional alerting services. Government emergency systems in some countries push their own warnings, and those may reach you through channels you already have. MyShake's advantage is that it bundles warning, mapping, preparedness and research in one place, and covers three states with a single install.

General weather apps are another category to consider. Many include earthquake information in a broader dashboard, which is convenient if you already use one daily. The trade-off is depth: a weather app is unlikely to offer the same combination of early warning, detailed event data and community reports.

Dedicated seismic apps and research tools exist as well, usually aimed at enthusiasts who want waveforms and station data. MyShake sits between the two extremes, offering more than a weather app and less than a professional monitoring tool, with the warning feature as its strongest argument.

A worthwhile install for western residents

MyShake is at its best for people who live in, work in or frequently visit California, Oregon and Washington, because that is where the ShakeAlert-based early warning applies. For them it is a free, ad-free tool that combines seconds of advance notice with practical preparedness guidance, and there is little reason not to have it installed.

For everyone else the case is softer but not empty. You get global earthquake mapping with magnitude, location and depth, configurable notifications for the regions you choose, and the option to let your phone contribute readings to a research network. That is a decent package for anyone interested in seismic activity, even without the warning layer.

The feature set is clearly defined, the cost is zero, and the app comes from a university seismology lab with state emergency funding. If you are in the warning region, install it and read the preparedness section properly. If you are not, install it for the map and the notifications, and treat the research contribution as a bonus.

What's new in version 3.1.42

bug fixes