Where Do Most Earthquakes Occur?

Earthquakes are natural disasters that no one can predict when they will happen, but experts are doing their best to give people the needed information about the Earthquake. That people can prepare for it. They urge everyone to participate in an earthquake drill.

Where do most earthquakes occur? Earthquakes occur the most along the edge of the oceanic and continental plates. Meaning an earthquake occurs the most at the fault line that separates the Pacific plates from its neighbors.

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In this article, I will explain why earthquakes mostly happen along the fault line. I will also list different types of faults.

The Ring Of Fire: Explained

According to researchers, earthquakes happen whenever the plates meet as they rub against each other or past each other. That’s why they say that earthquakes most commonly occur where these plates meet.

They call this a fault line, which is unfortunately invisible to our eyes. The zone where the earthquakes are most common is called the Ring Of Fire.

Meaning approximately 90% of all earthquakes happen along this fault line. Among the most active parts of the Ring of Fire is on the west coast of the US, which they called the San Andreas fault.

In this fault, the North American plate meets the Pacific plate and has a 1,287 km long with 16km in depth. It was the cause of the San Francisco Earthquake in 1906, wherein 3,000 people died as a result of fires.

The Ring of Fire was also the cause when an earthquake in Peru in 1970. Also, aside from the Ring Of Fire, a section of a belt called Alpide is said to be devastating. That experts say at around 5-6% of the world’s earthquake occurs here.

Different Types Of Faults

1. Normal Faults – are the cracks wherein one block of rock is sliding down from the other block of rock. These faults occur in areas where two plates are pulling away from each other or slow splitting apart.

2. Reverse Faults – are cracks that are formed whenever one plate is pushing into the other plate. They usually occur when a plate is folding up because it’s being compressed by another plate that pushes against it.

3. Strike-slip faults – are the cracks between the two plates sliding past each other. These kinds of faults are found in California, like The San Andreas fault, which was considered the most famous and powerful earthquakes that ever occurred in California.

Effects Of Earthquakes

Impacts of Earthquakes are categorized in 3 ways: the social impact, economic impact, and environmental impacts. With these impacts, we will list a specific effect on each and has long and short term impacts.

Social Impacts (The effect on local people)

Short term

  • injury and death
  • power shortage
  • Interrupted communication lines
  • Home and business are damaged
  • Contamination of water and foods and shortages
  • Mode of transportation damaged

Long Term

  • Sickness and diseases
  • People’s home and business are lost
  • possible refugee camps

Economic Impact (The effect on the wealth in a local area)

Short Term

  • Looting of Shops
  • Trade is difficult

Long Term

  • Loss of all the property
  • Loss of income
  • Investments are focused on repair rather than the economic growth

Environmental Impacts (The effect on the landscape)

Short term

  • Establishment destroyed
  • Fires
  • Landslides
  • Tsunamis
  • Flooding

Long Term

  • Historic and significant landmarks are lost

Conclusion

In general, an earthquake usually happens along the fault line in which experts say the Ring Of Fire. There are different types of fault lines that explain each definition along with its movement. And in this article, we also learned that there are three effects of an earthquake that may cause short and long term secondary effects.