Ocean Observing Systems (OOS) and Tsunami Warnings

Ocean Observing Systems (OOS) have many sensors. One function is to detect earthquales using seismometers and hydrophones, and tsunamis using bottom pressure recorders. A massive 8.9 magnitude earthquake hit the Pacific Ocean nearby Northeastern Japan at around 2:46pm on March 11 (JST) causing damage with blackouts, fire and tsunami. These videos give some background information. […]
Ocean Observing Systems (OOS) have many sensors. One function is to detect earthquales using seismometers and hydrophones, and tsunamis using bottom pressure recorders. A massive 8.9 magnitude earthquake hit the Pacific Ocean nearby Northeastern Japan at around 2:46pm on March 11 (JST) causing damage with blackouts, fire and tsunami. These videos give some background information. http://www.youtube.com/user/NOAAPMEL?feature=mhum#p/c/0/2mKbFORiDzg http://www.bbc.co.uk/news/world-asia-pacific-12709598