Posts

Showing posts from February 12, 2014

nine orcas killed by seaquake

Image
On Tuesday, 11 February 2014, nine orcas (killer) whales swam into the rocky shore inside Te Waewae Bay, South Island New Zealand In my opinion, formed after 50 years of trying to understand mass beachings, the biosonar system these orcas use to echonavigate was disabled by sinus barotrauma induced by disturbances in the surrounding water pressure generated above the epicenter of an extremely shallow earthquake off the west coast of South Island. The quake occurred at  8:54 pm local time on January 28th, 2014. The European-Mediterranean Seismology Group listed this event at 4.7 magnitude , focused only 2 kilometers below the ocean's surface . Other seismic stations reported this quake at 5+ mag. New Zealand GeoNet reported it as a strong earthquake at 5.4 magnitude; however, they listed the depth at 33 km, which is the standard default depth used by GeoNet for submarine earthquakes. As you can see at the bottom of GeoNet's page, most reporting stations indicated a depth