A M 8.1 offshore Chiapas Mexico occurred at 2017-09-08 04:49:21 UT. This was an intermediate-depth earthquake with an estimated source depth of approximately 70 km. This was the largest of 9 earthquakes M7.0 and larger within 250 km in the past century. The largest reported shaking by USGS Did you feel it? was MMI VIII (Moderate-Heavy Shaking) roughly 200 km from the epicenter. There was an initial tsunami warning, but the threat has now passed (http://www.tsunami.gov/). There have been at least 20 M4 or greater aftershocks in the region. For more details on the event, please go to: https://earthquake.usgs.gov/earthquakes/eventpage/us2000ahv0#executive. NASA is coordinating with relevant agencies for this disaster to provide support for this event.
