0
Magnitude 9.2 including Alaska and 9.0 in the lower 48 states.
According to USGS National Earthquake Information Center it was magnitude 9.2 on March 28, 1964 in Prince William Sound, Alaska.
On January 26, 1700.was the largest known earthquake (magnitude 9.0) to have occurred in the "lower 48" United States that rocked Cascadia, a region 600 miles long that includes northern California, Oregon, Washington, and southern British Columbia
Still curious? Ask our experts.
Chat with our AI personalities
Lao
Fran
ViviAlaska - 1964 - Magnitude 9.2. The 3rd largest earthquake ever recorded on earth.
The earthquake that caused the greatest number of casualties in US history however was the 1906 San Francisco earthquake (it is estimated that over 3,000 people were killed).
Add your answer:
Earn +20 pts
What was the biggest earthquake?
The most recent large earthquake of magnitude 9.0 or larger was a 9.0 magnitude earthquake in Japan in 2011 (as of March 2011), and it was the largest earthquake since records began. No, it wasn't. The largest earthquake ever recorded was the Chilean earthquake on May 20th, 1960. It measured 9.5 magnitude on the Richter's scale.
What was the magnitude of the largest earthquake in the US and where did it occur and how many were there?
I know the largest and strongest earthquake in the US as in Anchorage Alaska, not positive, I think it was just one. It was early 1900's or late 1800's and destroyed the city.
When and where was the most powerful earthquake recorded?
In Chile on the 22 May 1960. The city of Valdivia was the worst effected. Please see the related link for more information
Was the Haitian Earthquake the largest ever recorded?
No, the Haitian earthquake had a magnitude of 7.0 (on the moment magnitude scale) whereas the largest recorded earthquake had a magnitude of 9.5. This occurred on the 22nd of May, 1960 and affected Chile in South America. Please see the related link.
How does 8.9 rank out of the most powerful earthquakes?
The biggest reported earthquake had a magnitude of 9.5. The earthquake in Japan had a magnitude of 8.9, and that's the 5th largest earthquake reported.
