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.
Related. 1  Boxing Day tsunami: How 2004 Indian Ocean earthquake became the deadliest in history. 2  Indian Ocean Tsunami 10th anniversary: 5 biggest 'megathrust earthquakes' recorded in modern history. 3  Indian Ocean 2004 tsunami: Incredible then and now photos from December 26 disaster.