May 12, 2015 5:52 PM

Joe Knows: Another earthquake strikes Nepal, but why?

NH1 Chief Meteorologist -

Another huge earthquake with a magnitude of 7.3 rocked Nepal Tuesday.

The epicenter of the quake was to the east of the more powerful magnitude-7.8 earthquake on April 25 that killed more than 8,000 people.

The earthquakes are happening along the boundary of the Asian and Indian plates.

About 50 million of years ago, the continent of India collided into Asia. As these plates collide, the crust is forced up by enormous pressure helping to form the huge jagged peaks of the Himalayan Mountains chain which continues to grow today.

Some experts compare this fault line to a zipper, which is mostly locked in place. If earthquakes release enough stress built up with in the fault the land can begin to split apart. The concern is for more quakes to happen. They can be several smaller quakes, or another large event. It is impossible to know.

One of the largest hazards for the Nepal area remains to be landslides especially in the mountainous areas hardest hit by the quake, with valleys affected and vital roads being blocked from supplies.


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