The $50 earthquake alarm that could save thousands of lives Its called the Grillo (the Spanish word for cricket) early warning system. The compact device -- a cube about the size of an alarm clock -- taps into the special frequencies that SASMEX operates on and relays that information to its users. When seismic activity is detected, the Grillo sounds a loud, flashing alarm. At a cost of just $50, it also undercuts the price of the receivers used primarily in public buildings by around 660%. This is the most affordable and the most direct way for the Mexican public to connect to the early warning system, Meira says of the product, which also became Mexicos most successful ever Kickstarter campaign. Mexico Citys geographic location and geological makeup put it at particular risk from seismic activity. There have been a handful of relatively small quakes in 2014 already. Meira also hopes versions of the Grillo system could be introduced elsewhere in the world where earthquakes are a real risk -- like in Nepal, India, the West Coast of the U.S. and along much of the Pacific Coast of South America. Missing education? But others point to the difficulty of introducing a mass warning system without first educating citizens on what to do when receiving a direct alert. Speaking to McClatchyDC earlier this year, Arturo Iglesias Mendoza, director of the Institute of Geophysics at the National Autonomous University of Mexico, pondered what would happen if 5,000 of 60,000 people in a football stadium received an alert of an imminent earthquake? People should know that the safest thing to do is to stay in the stadium, he said. On top of that, the $50 price is still a considerable investment for many residents of a country where the average wage remains under $5 a day. Then there is the fact that only a handful of early warning systems like SASMEX exist anywhere in the world. This means that Grillo will unlikely have government sourced data and advanced sensor system set up near major fault lines to tap into in many other locations. Meira and his colleagues have anticipated such difficulties. He speaks of the next stage of the Grillo project which will see hundreds of specially developed sensors placed all over Mexico, feeding into an algorithm that will provide early-warning alerts to apps and smartphones. Warning app Known as Grillo Active, the tiny orange devices contain a sensitive movement detector, microprocessor and a WiFi module to transmit a signal. Grillo are currently in talks with a major convenience store chain to locate the devices at between 500 and 1,000 of their stores around Mexico. Such a wide spread will ensure more reliable and faster alerts. The real test of a good infrastructure is the density of sensors, Meira said. This is our plan in Mexico. Given that the devices can be produced cheaply and located anywhere with an internet connection, the potential for Grillo to be used in a variety of vulnerable areas around the world is very real. Japan remains the only nation in the world where the entire country is hooked up to an early warning facility. And that system, which consists of 1,000 GPS sensors. For now, however, this fledgling groups focus remains on Mexico. The first small batch of Grillo boxes produced have been sold, although they havent yet seen any action in the field. Mexicos last earthquake was recorded about six months ago, when the device was still in the prototype phase. Meira hopes that the acid test doesnt come too soon, but he expects a solid performance from his invention when it does. The science is all there, he said. We have tested it out in two earthquakes and they worked just fine. One was a seven pointer (on the Richter scale) and it worked perfectly. Now, they await the next earthquake.
Posted on: Thu, 20 Nov 2014 17:59:13 +0000
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