IMPERIUMDAILY.COM-JAKARTA – Magnitude 6.1 tectonic earthquake in the Indian Ocean region of the West Coast of Sumatra on Tuesday, January 7, 2020, the shock was felt as far as Medan in North Sumatra.
The exact earthquake point is located 19 kilometers south of Sinabang City, Simeulue District, Aceh.
“Earthquake shaking was also felt as far as Medan II-III MMI, West Nias and Meulaboh, West Aceh District II. MMI or vibrations were felt by some people, some objects hanging and swaying,” BMKG Earthquake and Tsunami Center Chief Rahmat Triyono said in his statement. received in Jakarta, Tuesday afternoon.
Besides, earthquake shocks were felt in Simeulue IV MMI or felt by many in the house, in Tapak Tuan, South Aceh District, Singkil, North Nias and Gunung Sitoli III MMI ie vibrations felt real in the house, felt vibrations as if a truck would pass.
Until now there has been no report of the impact of damage caused by the earthquake.
Based on BMKG monitoring results, it shows that aftershock with a magnitude of 3.3 SR occurred once.
Rahmat explains that the earthquake which, after an upgrade of magnitude 6.1, was due to the subduction of the Indo-Australian Plate which sank beneath the Eurasian Plate in West Sumatra.
The earthquake that occurred on Tuesday at 13.05.18 West Indonesia Time was located at coordinates 2.3 LU and 96.32 East, or rather located at sea at a distance of 19 km south of Sinabang City, Simeulue Regency, Aceh at a depth of 20 km.
“By considering the location of the epicenter and the depth of the hypocenter, the earthquake that occurred was a type of shallow earthquake. The results of the analysis of the source mechanism showed that the earthquake had a mechanism of movement of the fault up (Thrust Fault),” he said.
For this reason, the public is advised to remain calm and not be affected by issues that cannot be accounted for and to avoid buildings that are cracked or damaged by the earthquake.
“Check and make sure the building where you live is quite earthquake resistant, or there is no damage due to earthquake vibrations that endanger the stability of the building before you return to the house,” Rahmat said. (ant / yos)