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SMS Tsunami Warning is an internet-based Earthquake notification service. We monitor seismic activity across the globe round the clock. When a strong quake is detected, we send an alert message to endangered subscribers. The quake alert system serves the public also as Tsunami Early Warning System when violent quakes strike in deep waters.

SMS Tsunami Warning uses and re-elaborates the information received from government agencies and national institutions worldwide:

  • United States Geological Survey (USGS)
  • European-Mediterranean Seismological Centre (EMSC)
  • Joint Research Centre of the European Commission (JRC)
  • National Oceanic and Atmospheric Administration (NOAA)
  • Pacific Tsunami Warning Centre (NOAA)
  • West Coast and Alaska Tsunami Warning Centre (NOAA)
  • Japan Meteorological Agency (JMA)
  • Joint Australian Tsunami Warning Centre (JATWC)

Our system receives earthquake data from seismic measuring stations all over the world round the clock. When the information is received, our server instantly makes the necessary calculations to assess the threat level of the earthquake, a combination of many factors including earthquake location, depth, magnitude, distance from users, etc. If the threat level is significant for a certain group of users (see: based on their relative distance to the quake's epicenter, etc.), then our messaging platform will instantly dispatch a message to the subscribers located in the danger zone.

NO, never. As we've seen earlier, our system is location-based. This means that alerts are solely sent to a specific group of subscribers, those who are likely to feel or experience the effects of the earthquake activity. Our system, in fact, defines a "danger zone" based on the earthquake data specifics. Users outside the "danger zone" will NOT be alerted. For this reason, we will NEVER SPAM users with irrelevant notifications related to:

  • large quakes if they occur too far away from user's location (ie. on the other side of the world)
  • minor quakes happening in proximity of users' area (when the quake is too small to pose a threat in the region).

    Our system is faster and has a broader reach than any other media channel or warning system (ie. television, radio, sirens on the beach). We are able to reach every single subscriber with a 1-to-1 personalized communication sent directly to mailbox (email) or mobile phones (sms, voice call). Our computer system is the only one capable to send personalized earthquake phone call alerts with text-to-speech technology.

    Quake Alerts and Tsunami Warnings are delivered through three channels:

    • email (to a mailbox)
    • SMS text message (to a cell phone)
    • voice call (to a cell phone)

    Mobile phones must have GSM signal to receive the alarm.

    Our Messaging Platform dispatches email, SMS and phone calls in a matter of 1-2 seconds from the moment data are received from the earthquake measuring stations. All necessary calculations (quake threat assessment, relative distance from users, etc.) are done electronically by our proprietary algorithm and notifications are sent on a 1-to-1 basis to endangered users in a blink of an eye.

    The SMS alert message follows a set format:

    SMS-Tsunami-Warning.com - ALERT! {quake_type} M{magnitude}. {location}. {date_time}. In danger zone: {dangerfor}. Risk: {risk_level}.

    The message contains some variables pertaining the quake: quake type, magnitude, name of the closest location to the epicenter, date and time, threat level, and name of the people in the "danger zone". These info give an idea of the quake's intensity, location and threat level.

    If such message is received, we encourage users to immediately consult our website for further information or verify the situation with local authorities.

    The text-to-speech voice message follows this structure:

    This is an earthquake alert issued by SMS-Tsunami-Warning.com. A {quake_type} with magnitude equal to {magnitude} degrees on the Richter Scale has hit nearby {location} on {date_time}. Users in danger zone: {dangerfor}. Risk level: {risk_level}. Please check our site for more info. Bye.

    The message contains some variables pertaining the quake: quake type, magnitude, name of the closest location to the epicenter, date and time, threat level, and name of the people in the "danger zone". These info give an idea of the quake's intensity, location and threat level.

    If such message is received, we encourage users to immediately consult our website for further information or verify the situation with local authorities.

    No. At present, Email, SMS and Voice Call notifications are delivered in English language only.

    It seems that some email providers (Gmail in particular) adopted some strict "spam rules" for which automated emails are relayed in the Spam folder. We strongly recommend you add our email address (info@sms-tsunami-warning.com) to the "Safe Senders" list of your email account. If you don't do so, our emails (including email warnings) may be blocked by spam filters and may not reach you.

    Our warning system operates over the internet and sends alerts regardless of users' location as long as the cellular signal is on (GSM, CDMA networks). These networks are the ones you use when you make a regular call with your mobile phone. GSM and CDMA networks are available in any country and region around the world.

    In cellular service there are two main competing network technologies: Global System for Mobile Communications (GSM) and Code Division Multiple Access (CDMA). Cellular carriers all around the world including Verizon, Vodafone and T-Mobile use one or the other. So do you.

    It is approximated that 80 percent of the world uses GSM technology when placing and receiving wireless calls. This amounts to nearly 3 billion global people. The remaining part uses CDMA network technologies.
    Our system will deliver instant text messages to mobile phones using both GSM and CDMA network technology, so you do not have to worry.

    NO, it cannot. Our system cannot deliver sms / voice calls to satellite networks like Iridium, Inmarsat, etc.

    No. To be able to get sms and voice call alerts, you only need a mobile phone (any model, even if it's not a smartphone) and network signal (any network, either GSM or CDMA). Just make sure the phone is turned on :) In simple words, if your phone can receive phone calls, so it will also be able to receive our quake alerts.

    Earthquake information are generally very accurate because our notifications are sent after measuring stations parse quakes data and pass them on to us. However, with reference to Tsunamis, false alarms are possible. Tsunami risk assessment is made by our algorithm based on historic data and other calculations, but users should understand that receiving a tsunami warning from our website does not imply that a tsunami wave is necessarily on its way. However, rest assured that we do everything possible to avoid false alarms so that every alarm should be taken seriously and subscribers should get more information on our website or through other media.

    Yes, absolutely. Our messaging platform is designed to send SMS and voice call alerts to any mobile phone in the world, no matter which manufacturer or model.

    Yes, we probably can (99.99%!). We have tested successful notifications delivery to the major cellular carriers in more than 200 countries. Our delivery rate get close to 99.99%. Please check here if your mobile carrier has been successfully tested to receive our SMS and Vocie Calls messages.

    By creating an account on this website, you will transform your mobile phone (or other electronic device) into a potential life saver for you and your family.

    SMS Tsunami Warning gives you the assurance and the security you need while living in the proximity of coastal areas. Get an extra blanket of protection in the form of early warnings delivered to your cell phone, iPhone, smart phone, computer, iPod, iPad, and any other device with GSM signal or internet access.

    Our website offers a broad selection of memberships ranging from 100% free plans to top-of-the-line Premium services.

    With a Free Account, you will get Email alerts anytime an earthquake strikes in proximity of your location (or when a distant powerful quake has the potential to trigger tsunami waves to your location). Warnings are sent in the form of email only (no SMS, no voice call alerts). If you want to get also sms or voice call alerts, you are required to upgrade to PREMIUM. FREE accounts don't expire; you can terminate your account any time you desire.

    Creating a free account is very simple. Just click here and fill the web form. Don't worry! We care for your privacy and we will never share your information with anybody. Once your account is created, you can configure your account settings (ie. your current location, phone number, etc.) through your user dashboard.

    No problem. First of all, check in your spam folder. Our email is probably waiting for you there. If you don't see any email in the junk folder, please contact us and we'll resend you the activation link. NOTE: we advice users to add our email address "info@sms-tsunami-warning.com" to the Safe Senders list. This is the only way to be 100% sure that emails will be correctly received in the inbox.

    A PREMIUM plan enables you to receive alerts by SMS and Voice Call to your cell phone. Some PREMIUM plans (ie YOU&ME, FAMILY) also let you add family members to your account, so that quake and tsunami alerts will be simultaneously delivered to your loved ones too (up to 5 people). Sign up to PREMIUM here.

    You can see the specifics of each plan at this page.

    You can choose the duration of your plan. Upon sign up, you are asked to select the service duration: 1 month, 1 year, 5 years. When the plan is due, your account will automatically get downgraded to FREE (the email service will still be ON, while sms and voice call service gets disabled). Upon expiry, we will send you a reminder to facilitate your plan renewal.

    When you subscribe to a Premium plan, we recommend you think about your actual needs.

    • 1-Month plans are ideal for business travelers and holiday makers visiting seismic regions for a limited period of time (ie. Japan, Indonesia, Hawaii, Costa Rica, Mexico, New Zealand, etc.).
    • 1-Year and 5-Year plans are more suitable for people permanently residing by or nearby coastal areas or in seismic regions, especially along the "Ring of Fire".

    If you want to subscribe to one of our Premium plans (Solo, You&Me, Family), just click here .

    Yes, you can. Just login your account, hit "Test Tool" in your dashboard menu, then select a recipient (yourself or a family member) from the drop down menu, then select the type of notification and then click the "Test Now" button.

    A test notification will be instantly sent to your mailbox (email) or phone (sms, voice call). If you don't receive the message, please check that your email or phone number are entered correctly. If the problem persists, please contact us to report the routing issue.

    PREMIUM plans cost a small one-time fee starting at $3.95 for a 1-month plan and $12.95 for a 1-year plan. Peace of mind is priceless. NOTE: all charges are one-time, that means we do not setup active subscriptions on your credit card. You will never be billed twice.

    Absolutely! You just need to login your account and update your phone number in your "settings" page.

    Absolutely! All you need is to login your account and update your phone number in your "settings" page. Remember that you can get our alerts in literally any country in the world. Our messaging platform is able to deliver SMS and Vocie Calls to 700+ carriers across the globe. Verify here if your cellular carrier has been already tested.

    Yes, you can. Please contact us to request the termination of your account.

    Just purchase a PREMIUM plan and your account will be automatically upgraded to PREMIUM. Just remember to use the same email address used in your FREE account when you sign up to PREMIUM.

    Yes, you will. When a payment is made, you'll get an invoice from Paypal, our online payment processor. If you didn't get it, please contact us and we will send it over again.

    Absolutely. We only notify subscribers when their current location falls in a danger zone. And for the same principle, we will not alarm users if their location is outside the danger zone. Our system in fact defines a "danger zone" first, and then notifies ONLY those users whose location is contained in it.

    As soon as you receive the alarm, you should:

    • move immediately away from the shoreline and go to higher grounds;
    • do not move to lower grounds by river beds or into valleys;
    • do not waste time to take care of your belongings or your luggage even if it is for a minute;
    • while you are moving to higher grounds, ring up your family and friend to inform them about the situation.

    After the first tsunami wave hits, do not immediately return to the coast line. Very often a second, even larger wave arrives some time after the first one. Moreover other waves may come even hours after the impact of the first wave.

    No. Earthquakes and Tsunamis cannot be predicted. However, once a large earthquake does occur, SMS Tsunami Warning can forecast its level of destruction and the possibility of generating a Tsunami wave train; this information will be used to send alerts to subscribers and their family members.

    SMS Tsunami warning:

    • does not replace other official government alert systems or critical information to the public;
    • is not a mass communication system used by governments or other national or international institution to issue official information to the public.

    Yes, that's correct. Anytime you make a purchase on this site, you can choose to donate part of the service price to an NGO of your choice. SMS Tsunami Warning currently works in benefit of some of the biggest NGOs across the globe. To know more about our social commitment, click here.

    SMS Tsunami Warning currently donates 10% of the price collected on each subscription.

    You can choose a NGO right before making a payment at this page page. Just hit on the logo of your NGO of choice to select it.

    No, it is not. Since your donation is a part of a broader commercial service, it's not tax deductible.

    If you cannot login, simply reset your password. If you terminated your account, you need to contact us to restore it.