A Titer is a blood test that checks your immune status to vaccinations or diseases you may have received in the past. There are two types of immunity a person can have: 1. Titers are blood tests that check your immune status to vaccinations or diseases you may have received in the past. 2  If youâre titers results are positive, it means that you have adequate immunity to a particular infectious disease.
All rights reserved. More from OurAmazingPlanet. VANCOUVER, British Columbia â In 2011, Japan was one of the most prepared countries in the world for a massive earthquake. Yet when a mega-quake hit Japan last March, sparking a huge tsunami, it was shockingly devastating.
BY Jenny Marder March 11, 2011 at 1:47 PM EDT. The 8.9-magnitude earthquake that struck coastal Japan on Friday, devastating large swaths of the coast and spawning a powerful tsunami, was caused by the Pacific tectonic plate thrusting underneath the country, and forcing the seabed and ocean water upward.isplacement of the fault by a magnitude 7.2 earthquake two days ago triggered aftershocks, including, in this case, the big earthquake. And since this morningâs quake, the area has had 100 magnitude 5 aftershocks, nearly 20 magnitude-6 aftershocks and one magnitude 7 aftershock.