Earthquake M 4.5 Guncang Sampit Central Kalimantan Has No Tsunami Potential, Triggering Active Fault Activities

Earthquake illustration. (Pixabay)

An earthquake with a magnitude (M) of 4.5 struck Sampit, Central Kalimantan (Central Kalimantan). East Asan Kotawaringin Hajj Meteorological Station shocks the earthquake has no potential for a tsunami. "We urge the public to remain calm. The earthquake that occurred has no potential for a tsunami and monitoring results have not shown any aftershock activity," said Head of Haji Asan Meteorological Station, Musuhanaya in Sampit, Monday, October 30, was confiscated by Antara. The M 4.5 earthquake occurred at 01.21.44 WIB, Monday, October 30. The results of the BMKG analysis said the epicenter of the earthquake was located at coordinates 2.31 South Latitude (LS) and 113.02 East Longitude (BT), precisely on land at a distance of 25 km northeast of Sampit, Central Kalimantan, at a depth of 13 km. Taking into account the location of the epicenter and the depth of the hypocenter, the earthquake was a shallow crustal earthquake of shallow eyebrows of shallow crustal earthquake and triggered the activity of the inactive fault. Based on the results of modeling the shock map (shakemap), this earthquake was felt in Baamang District and Mentawa Baru District in Ketapang with an intensity scale of III MMI (The vibration was felt to be real in the house. It was felt as if a truck had passed).

The modeling results show that this earthquake has no Tsunami Potential. "We urge the public to remain calm and not be influenced by issues that cannot be justified," said Musarianaya.

People are asked to avoid buildings that are cracked or damaged by the earthquake. "Check and make sure the residential buildings are earthquake-resistant enough, or there is no damage due to earthquake vibrations that endanger the stability of the building before residents return to their homes," he said. The earthquake had shocked residents because the tremors were felt in a number of areas of East Kotawaringin Regency. "It was also shocked because the vibrations were quite pronounced. I thought there was a large truck passing by, but it turned out to be an earthquake. Fortunately it was only for a short time that it didn't cause any damage," said Rahmadi, one of the residents.

Gempa ini membuat warga takut karena selama ini belum pernah ada gempa yang benar-benar terasa. Warga yang terbangun pun banyak memilih keluar rumah karena khawatir gempa meruntuhkan bangunan.Gempa cukup terasa di sebagian pusat Kota Sampit yang meliputi Kecamatan Mentawa Baru Ketapang dan Baamang. Selain itu gempa juga dirasakan warga di kecamatan lainnya seperti Seranau, Kota Besi dan Cempaga.Dari beberapa rekaman kamera tersembunyi yang dibagikan warga, getaran gempa mampu membuat barang dagangan jatuh dari rak etalase.Bahkan di salah masjid di Desa Sungai Paring Kecamatan Cempaga, getaran gempa membuat kipas angin yang dipaku di tembok berjatuhan dan rusak.