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19 February 2018

78 seconds of Earthquake Early Warning

Late on Friday afternoon, February 16, during the Chinese New Year street fair in la Ciudad de MĂ©xico, the tight hold between the North America and Cocos plates failed, the fault slipped, and the Pacific coast of Oaxaca lurched around a meter out toward the ocean. Within six seconds, the profound ripple this let loose through the crust heaved the Huazolotitlán seismic recording station westward as well, followed shortly by …

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