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How to spot signs of potential landslides Updated: 2022-08-09 17:08:57 KST

Heavy rainfall raises the risk of landslides in a mountainous country like Korea.
And while landslides generally cannot be prevented, if you live in a high-risk area, you need to keep an eye on your surroundings and evacuate as quickly as possible if you spot some potential warning signs.
Lee Seung-jae has the details.

A massive landslide can be seen wiping out trees. This is the site of an apartment complex located in Geoje, Gyeongsangnam-do Province in September 2020.
The apartment complex was built after excavating the side of a hill. But the area was not designated as being at risk from landslides.

"A large rock fell. And then every ten minutes there was a landslide before trees began falling."
This is a village, where a landslide occurred after 350 millimeters of rain fell in a two-day period last year.
Due to the construction of housing nearby, there were fears that a landslide would occur.
When there's torrential rain during the night, a landslide could occur as soon as early morning.
While landslides are hard to prevent, experiments show that good observation of mountains can reduce damage.
An experiment mimicked the effects of 50 millimeters of rain per hour being applied to terrain with an inclination of 35 degrees.
This caused the area to break up, and a landslide was observed after just 10 hours.
It's important to see if there are any rocks rolling down, or cracks on the slopes, as that could be the early signs of a landslide.
And, if you spot trees tilted despite there being no strong winds present, a landslide could occur in the area.
There are other signs of landslides people should watch out for.
These include, large amounts of water gushing down slopes, or if you hear tremors or the sound of moving earth.
Such signs could mean that sloped areas are on the brink of collapsing, and hasty evacuation is needed.
It's also important to know that landslides can occur even in cities.
When it rains, also check the latest information from the Korea Forest Service and know evacuation routes and sites in advance.
Also, when evacuating, shut off gas and electricity to prevent secondary damage from fire.
Lee Seung-jae, Arirang News.
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KOGL : Korea Open Government License
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