The presence of these antibodies can tell your doctor or healthcare provider if you have been exposed to hepatitis B, if you have a chronic infection, or if you have previously received the hepatitis B vaccine.he presence of these antibodies can tell your doctor or healthcare provider if you have been exposed to hepatitis B, if you have a chronic infection, or if you have previously received the hepatitis B vaccine.
April 1, 1946: The April Fools tsunami, triggered by an earthquake in Alaska, killed 159 people, mostly in Hawaii. July 9, 1958: Regarded as the largest recorded in modern times, the tsunami in Lituya Bay, Alaska was caused by a landslide triggered by an 8.3 magnitude earthquake.
History of Recent Tsunamis. 22nd May 1960, 9.5 Magnitude Earthquake along subduction zone of South America. 15 minutes after the earthquake, 5 metre high waves hit the coast of Chile. Around an hour later, another series of waves hit measuring 8 and 11 metres high.