A 6.0 magnitude earthquake struck Alaska’s Anchorage metropolitan area on Thursday morning. According to the US Geological Survey, the epicenter of this earthquake, which occurred at 8:11 am local time, was about 12 kilometers west-northwest of Susitna and it was recorded at a depth of about 69 kilometers from the earth’s surface.
Most intense earthquake after 2021
USGS said that no major damage or loss of life was immediately reported after the earthquake. At the same time, the US Tsunami Warning System has clarified that there is no danger of tsunami from this earthquake. The Alaska region of America is counted among the most earthquake-prone areas in the world, where a major earthquake of magnitude 7.0 is felt almost every year. According to experts, Thursday’s tremor is the most intense earthquake to hit South Central Alaska since 2021. Although the tremors were strong, it is a matter of relief that there has been no news of any major devastation.
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Why do earthquakes occur?
There are 7 plates inside the Earth, which keep rotating continuously. The zone where these plates collide is called fault line. The corners of the plates bend due to repeated collisions. When too much pressure builds up, the plates start breaking. The energy below finds a way out and after the disturbance an earthquake occurs.
Know what is the meaning of the center and intensity of earthquake?
The epicenter of an earthquake is the place just below which geological energy is released due to movement in the plates. Earthquake vibrations are more severe at this place. As the frequency of vibration increases, its effect decreases. However, if there is an earthquake with a magnitude of 7 or more on the Richter scale, the tremors are felt within a radius of 40 km. But it also depends on whether the seismic frequency is upward or downward. If the frequency of vibration is higher then less area will be affected.
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How is the intensity of earthquake measured and what is the measuring scale?
Earthquakes are measured using the Richter scale. It is called Richter Magnitude Test Scale. Earthquakes are measured on the Richter scale from 1 to 9. An earthquake is measured from its center i.e. epicenter. The intensity of the energy released from within the earth during an earthquake is measured by it. This intensity determines the magnitude of the earthquake.
