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October 22, 2020
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“The Department of Geosciences” noted “Giant Rock Collapse” as a 260 million year old limestone broken due to loss of stability. Warn tourists not to approach
October 22, 2020 The Department of Mineral Resources supports geological data and monitors the situation if it occurs.WhyCollapse of giant rocks “on the island via In Hat Nopparat Thara National Park Area – Phi Phi Islands, Krabi Province Posting via Facebook The Department of Mineral Resources stated that
Of the event A giant rock that weighs 3,000 tons and collapses into the sea. In Koh Talu (Koh Mae Urai), Hat Nopparat Thara National Park – Phi Phi Islands, Ao Nang Subdistrict, Mueang Krabi District, Krabi Province on October 17, last The incident occurred during whichDepression Continuous rain Strong wind in the area. Krabi Province and surroundings
Koh Talu Situated inHat Nopparat Thara National Park – Phi Phi Islands, Ao Nang Sub-district, Mueang Krabi District, Krabi Province It has a limestone geology. The Permian period was around 260 million years old and the area had the appearance of a mold. Cracked limestone – many fissures When the rain is strong and the waves are strong Water will penetrate into the crevices. Until the rocky massif loses its stability In addition, the lower part of the mountain was eroded by ocean waves, creating a notch. Reduces the weight bearing capacity of limestone. In this way, the limestone breaks, moves and collapses according to the gravity of the land in the sea. This is a natural rock collapse event that can occur both on land and at sea. Especially on molten ground
During the past, the area has been influenced by the southwest monsoon. That swept over the Andaman Sea Resulting in heavy rain to very strong and strong wind waves which is a major factor causing the rocky landslide, however the same event occurred in Ang Thong National Marine Park. Surat Thani Province on September 19 during “No Eul Storm” Blowing through Thailand
