A 5-magnitude earthquake strikes the US state of Alaska
The US Geological Survey explained that The earthquakeoccurred 250 kilometers east of the city "Chinyak"And at a depth of 8.7 kilometers.
There have been no reports so far of human casualties or material damage as a result of the earthquake. Alaska is located above the Pacific Ring of Fire, an area where tectonic plates meet, the friction of which leads to strong seismic and volcanic activity.
Increasing frequency of earthquakes
Different types of earthquakes
Earthquakes are classified based on their causes into several types, the most prominent of which are:
1. Tectonic earthquakes: They occur as a result of the movement of tectonic plates and their sliding along faults.
2. Volcanic earthquakes: They result from volcanic activity, where the movement of magma generates vibrations.
3. Induced earthquakes: resulting from human activities such as building dams or extracting natural resources.
Studies indicate that the number of Large earthquakes “magnitude 7 and above” have remained relatively constant over the decades. However, the increase in modern media and technology has contributed to increasing awareness and media coverage of earthquakes when they occur.
As for less powerful earthquakes, there is a noticeable increase in them and their causesHumanitarian activity relatedto road building, construction and exploratory blasting, oil and gas extraction, etc.
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