JAKARTA - Deli Serdang Geophysical Station noted that in the last week or the period from 13 to 19 November 2020, there were 31 earthquakes in North Sumatra and Aceh.
"The earthquake that occurred with varying magnitudes, namely the smallest magnitude 2.1 and the largest 5.2," said Head of Geophysical Station Deli Serdang, Teguh Rahayu in Medan, reported by Anatar, Saturday, November 21.
The depth of the earthquake ranged from 2 km to 87 km, with the epicenter of the earthquake being on land and sea, namely 16 events centered on land, and 15 events at sea.
Of the 31 earthquake events, there were earthquakes that were felt by the community.
Earthquake shocks were felt with the greatest magnitude occurring on Saturday, November 14 2020 at 01:33:08 WIB, with M = 5.2.
The epicenter is located at the coordinates of 5.58 North Latitude and 95.59 East Longitude, precisely located in the sea at a distance of 28 km northeast of the city of Banda Aceh at a depth of 10 km.
By paying attention to the location of the epicenter and the depth of the hypocenter, the earthquake that occurred was a shallow earthquake due to the activity of the Sumatran Fault, precisely in the Seulimeum segment.
The result of the analysis of the source mechanism shows that the earthquake has a strike-slip fault mechanism.
Earthquake shocks were felt in the Banda Aceh IV MMI area and in Lhokseumawe II-III MMI.
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