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.
The 2004 Tsunami. The 2004 Tsunami, referred to as the 2004 Indian Ocean Tsunami, the 2004 Indonesian Tsunami or the 2004 Boxing Day Tsunami, was one of the worst natural disasters in recorded history. It was triggered by an undersea earthquake with an estimated magnitude of between 9.1 to 9.3, making it the third most powerful quake ever recorded.