Major earthquake in central Caribbean

There was a major earthquake centered  between Jamaica, the Cayman Islands, and Cuba a bit after 2pm ET this afternoon.  At magnitude 7.7, and shallow (10km), it would have been devastating had it occurred on or near land.  Fortunately, the geometry of this event is such that only a small tsunami was generated.  That’s because the rupture was lateral (side to side) rather than vertical (up and down), which would have pushed water out of the way rather than just shaking it (simplified, but close!).  Here’s the impact map … note the worst is offshore, although I wouldn’t be surprised if there was not light structural damage on all three islands. The models indicate economic impact at most of $15 million USD or so.  It was even felt in Miami …

Leave a Reply

This site uses Akismet to reduce spam. Learn how your comment data is processed.