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.
Seen safely from high ground, a wave of the 1960 Chilean tsunami pours into Onagawa, Japan. Actions that saved lives, and actions that cost lives, as recounted by eyewitnesses to the tsunami from the largest earthquake ever measuredâthe magnitude 9.5 earthquake in Chile on May 22, 1960.