What magnitude was the 1964 Alaska earthquake?
What magnitude was the 1964 Alaska earthquake?
magnitude 9.2
On March 27, 1964, at 5:36 p.m. (03:36 3/28 UTC), a great earthquake of magnitude 9.2 (moment magnitude) occurred in the Prince William Sound region of Alaska. The epicenter was about 10 km east of the mouth of College Fiord, approximately 90 km west of Valdez and 120 km east of Anchorage.
What was remarkable about 1964 Alaska earthquake?
The 1964 Alaska earthquake, the strongest earthquake ever recorded in North America, struck Alaska’s Prince William Sound, about 74 miles southeast of Anchorage. The quake also led to significant scientific breakthroughs in subduction earthquakes and how to minimize their destruction.
What was the largest earthquake in Alaska?
At 10:15pm Alaska time on July 28, a magnitude 8.2 earthquake struck offshore of the Alaska Peninsula, the largest U.S. earthquake in 50 years. The Chignik Earthquake depth was approximately 28.5 miles, an intermediate-depth earthquake.
What earthquake happened 50 years ago?
Fifty Years Ago, A Major Earthquake Shifted the Course of Seismology in SoCal. February 9 marks 50 years since the devastating 1971 San Fernando earthquake that rocked Los Angeles. The magnitude-6.6 temblor was the worst the region had experienced for decades.
What caused the tsunami in 1964?
On March 28, 1964, at 03:28 GMT, an earthquake occurred in Prince William Sound of Alaska triggering a Pacific-wide tsunami. The earthquake, local tsunamis due to landslides, and the regional tsunami were responsible for taking the lives of more than 122 people and causing over $106 million in damage.
How many people were killed in the 1964 Alaska earthquake?
Facts About the 1964 Alaska Earthquake. This year marks the 50th anniversary of the 1964 Great Alaska Earthquake, an event that transformed how geologists view the Earth. Here are 11 interesting facts and figures about this historic earthquake. Of the 131 people killed during the earthquake, 119 died in tsunamis.
What day did the 1964 earthquake hit Alaska?
On March 27, 1964 at 5:36pm local time (March 28 at 3:36 UTC) a great earthquake of magnitude 9.2 occurred in the Prince William Sound region of Alaska.
How long did the 1964 Alaska earthquake last?
Four minutes may not seem like a long time, but when it comes to earthquakes, it’s an eternity, and tremors during the Great Alaska Earthquake of 1964 lasted at least four minutes .
What was the magnitude of the earthquake in Alaska 1964?
The 1964 Alaska Earthquake, also known as the Great Alaska Earthquake and the Good Friday Earthquake, was a megathrust quake that began at 5:36 P.M. AST on March 27, 1964. It had a moment magnitude of 9.2, making it the second largest earthquake on record.