LANDSLIDE and PREPARATIONS FOR DRRR.....

paolonotsohigh 289 views 26 slides May 09, 2024
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About This Presentation

This is for DRRR subject


Slide Content

LANDSLIDE

DEFINITION is a ground movement on sloping terrain. do not happen in a flat surface angle of the ground, gravity induces the land to move downward

DEFINITION Water is natural agent for erosion. Loosened the ground, too saturated.

RAINFALL INDUCED LANDSLIDE steep slope dense population, denuded ground. Prolonged rain fall can saturate the topsoil and bedrock.

DEFINITION IMPORTANCE OF TREES

DISCUSSION MANILA, Philippines - At least 14 people have died while 13 are missing due to floods and landslides triggered by heavy rains which have been pounding some areas of Mindanao since Friday, a regional disaster report showed yesterday. The Office of Civil Defense (OCD) in Davao said five persons were buried alive in a landslide in Barangay Tubaon , Tarragona, Davao Oriental.

DISCUSSION Davao-OCD regional director Loreto Rirao identified the fatalities as Misael Cabales , Ramil Legaspi, Madindin , Alfredo Moses and Roy Baron. In Monkayo , Compostela Valley, 6-year-old Jenemae Gonzales was buried under tons of rocks and mud that fell on her family house in gold-rich Barangay t. Diwata.

CAN LANDSLIDE BE USED AS A SIGN FOR A BIGGER GEOLOGICAL EVENT?

Areas that are generally prone to landslide hazards On existing old landslides. On or at the base of slopes. In or at the base of minor drainage hollows. At the base or top of an old fill slope. At the base or top of a steep cut slope. Developed hillsides where leach field septic systems are used.

PLACES THAT ARE HIGHLY VULNERABLE

LANDSLIDE PREPAREDNESS Public information

LANDSLIDE PREPAREDNESS Engineering intervention measures or slope protection measures

LANDSLIDE PREPAREDNESS Engineering intervention measures or slope protection measures

LANDSLIDE PREPAREDNESS Hazard mapping

BEFORE Know Your Area’s Risk for Landslides You can’t predict big rainfall or earthquake, but you can learn about your area’s risk for landslides. Landslides are more likely to happen in places where they’ve happened before. If your area has experienced landslides in the past, you should be prepared since it’s likely to happen again.

BEFORE ⛔Prepare a Landslide Disaster Plan When a landslide happens, you need to evacuate quickly. Having an evacuation plan that you’ve practiced with your family will help you act fast when every minute counts, providing priority assistance to the PWD, pregnant, elderly and children family members. You should also be familiar with your area’s evacuation routes to help your evacuation go smoothly.

BEFORE ⛔Have an emergency preparedness kit ready. This kit should be easy to grab quickly or should stay in your car’s trunk. Your kit may include: First aid kit Flashlights and batteries Non-perishable snacks Water

BEFORE ⛔Have an emergency preparedness kit ready. This kit should be easy to grab quickly or should stay in your car’s trunk. Your kit may include: First aid kit Flashlights and batteries Non-perishable snacks Water

DURING Know the Warning Signs If you’re having a major or heavy, pounding rain, you may be at risk for a landslide. Keep an eye on hilled areas that are more likely to fall, as well as any streams or creeks near you. If the water increases suddenly or goes from clear to muddy, a landslide may be on its way.

DURING

DURING You can also listen for sounds of a landslide, including cracking trees, rushing water, rumbling or the sounds of rocks hitting each other. Listen to the radio or news to stay on top of the latest weather. Evacuate Immediately. If you know a landslide is happening, evacuate immediately. After you’re on the road, another family member can call and warn neighbors and friends.

DURING Be especially careful when driving. Landslides can block roadways or sweep away pavement. Keep your eyes on the road and watch for debris and falling rocks.

AFTER Wait for the All Clear

AFTER Don’t return to the area where a landslide happened until authorities tell you it’s safe. These areas are more likely to experience a slide again immediately after an event. Flooding is also more likely, so seek shelter on higher ground.

AFTER Listen to emergency broadcasts and pay attention to authorities.  Focus on helping your neighbours and family as much as you can, but don’t get in the way of emergency professionals. You can also help authorities by reporting any dangers you see, such as: Broken power lines People in need of rescue Ruptured gas lines

AFTER If you or a loved one are injured in a landslide, go to the nearest emergency department (BHC or RHU).
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