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Are there more earthquakes, or are we just noticing them more?
Straight Arrow News
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4 weeks ago
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00:00
We got an earthquake.
00:05
A 7.0 magnitude earthquake rocks Alaska the morning of December 6th.
00:12
More than 20 aftershocks followed.
00:15
Two days later, a quake measuring 7.5 in Japan generates massive tsunamis.
00:21
Earthquakes are not uncommon along what's referred to as the ring of fire.
00:24
But should we all be worried?
00:26
Typically, we think of earthquakes of magnitude 5 and greater as being hazardous.
00:33
And in any given year in the continental United States, there's about 10 of those sized magnitude earthquakes.
00:39
According to the United States Geological Survey, there are approximately 20,000 earthquakes around the globe each year.
00:46
That is approximately 55 per day.
00:49
In 2025, we're actually sitting at approximately 1,800 quakes for the year.
00:54
But what causes them?
00:55
In any given year, you're sort of pulling that rubber band apart slowly.
00:59
And eventually, you get to the point where the rubber band doesn't move anymore or won't stretch anymore.
01:04
An earthquake happens right at the point where you would stretch it just a little bit more and that rubber band would break.
01:10
In parts of the world with active fault lines like Alaska and Japan, building codes are often designed to withstand seismic movement.
01:17
But that's not true everywhere.
01:19
To feel an earthquake, often you feel a little dizzy.
01:21
You're not quite sure what's going on because the seismic waves are whizzing by so fast.
01:26
If you're inside when an earthquake occurs, drop to the ground, cover your head, and hold on to a sturdy structure.
01:33
Try to avoid areas near glass windows and don't use building elevators.
01:37
If you're outside, stay away from buildings or trees that could fall.
01:41
For Straight Arrow News, I'm Diane Duenez.
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