john's picture

Magnitude 6.5 Earthquake Strikes Cook Strait, NZ, July 21, 2013

A M6.5 earthquake has just struck the Cook Strait, NZ, between North and South Island, about 50 km from Wellington, about 1 hour ago.  No word on damage or injuries.  Depth was shallow about 14.7 km, according to USGS data.  A screenshot from the Open Hazards hazard viewer ( is reproduced here. 

john's picture

On My Way to Sendai, Japan for the APRU Disaster Summer School

I'm sitting at the San Francisco airport on my way to Sendai, Japan to lecture at the Association of Pacific Rim summer school on disasters.  Sendai as most people know was the primary city affected by the March 11, 2011 M9.1 earthquake. 

As usual, my United flight is delayed.  So to pass the time, I decided to check our personal earthquake forecast tool ( to see what it might say about the chance of a major earthquake there.  Screenshot is below.  Hmmmm...

Steve's picture

A Dry Sea

Did you know that six million years ago the entire Mediterranean Sea nearly dried up?

“Big Stuff” like that is always hard to imagine, even for an earth scientist. I’ve seen dry rivers, dry lakes, and maybe a dry reservoir, but how can a whole sea 4000 meters deep and a couple 1000 km long vanish?


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