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Magnitude 7 earthquake rocks Alaska

Magnitude 7 earthquake rocks Alaska

A7.0 magnitude earthquakehas rocked Alaska on Saturday, Dec. 6, according to theUnited States Geological Survey(USGS).

The earthquake occurred in northeast of Yakutat, Alaska, the USGS said.

According to the U.S. Census Bureau, Yakutat had a total population of about 657 in 2020 and 332 housing units in 2023. Yakutat is over 300 miles from Anchorage, where the earthquake was also felt, the USGS's interactive map shows.

Officials of the Banda Aceh prison examine the damage to a wall a day after an 8.6 magnitude earthquake hit the west coast of Indonesia in Banda Aceh on April 11, 2012. The 1906 Ecuador–Colombia Earthquake was recorded as a 8.8 magnitude earthquake. A magnitude 8.7 earthquake in the Rat Islands, which is part of the Aleutian Islands in southwestern Alaska struck on Feb. 4, 1965. The Maule Earthquake struck Chile on Feb. 27, 2010. It was measured as a 8.8 magnitude earthquake. The 1952 Severo-Kurilsk earthquake struck off the coast of the Kamchatka Peninsula. The 9.0 magnitude earthquake resulted in a tsunami. This image shows a flooded Street on Midway Island. Two women walk through the rubble and devastation on March 20, 2011, in Rikuzentakata, Japan, after the Tohoku Earthquake. On March 11, 2011, the 9.1 magnitude earthquake struck and triggered a tsunami wave of up to 10 meters which engulfed large parts of north-eastern Japan. The 2004 Sumatra Earthquake and Tsunami, also called the Indian Ocean Earthquake, is the third largest earthquake ever recorded. This aerial view shows Meulaboh, Indonesia, under water on Dec. 28, 2004, after a 9.1 magnitude earthquake and tidal waves hit Aceh province early on Dec. 26, 2004. The 1964 Great Alaska Earthquake, also known as the Prince William Sound Earthquake, struck Alaska on March 28, 1964. The 9.2 magnitude earthquake originated in Prince William Sound and is the second largest earthquake ever recorded. This photo shows the damage to Seward, Alaska, as a result of the earthquake and the resulting tsunamis that also spread burning oil throughout the town. A boat and the roofs of homes are seen sitting on the ground. Valdivia Earthquake was a 9.5 magnitude earthquake that rocked Chile on May 22, 1960. It is the most powerful earthquake ever recorded. This image from June 5, 1960, shows the remains of Corral harbour, in the province of Valdivia, Chile, after the earthquake and the tidal waves that struck the area.

8.8 Russia earthquake one of the biggest ever recorded. See the full list of megaquakes

What does magnitude mean in an earthquake?

Magnitude is a measurement of the strength of an earthquake. Officially, it's called themoment magnitude scale. It's alogarithmic scale, meaning each number is 10 times as strong as the one before it. So a 5.0 earthquake is 10 times stronger than a 4.0.

The magnitude and effect of an earthquake, according toMichigan Technological University:

  • Below 2.5: Generally not felt

  • 2.5 to 5.4: Minor or no damage

  • 5.5 to 6.0: Slight damage to buildings

  • 6.1 to 6.9: Serious damage

  • 7.0 to 7.9: Major earthquake. Serious damage.

  • 8.0 or greater: Massive damage, can destroy communities

This article originally appeared on USA TODAY:Magnitude 7 earthquake rocks Alaska

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