The Meteorology, Climatology and Geophysics Agency (BMKG) noted that in these two days, Thursday and Friday 15-16 April 2021, there had been 6 tectonic earthquakes in the Megathrust zone of Sumba in southern Lombok and Sumbawa. Berita Hari Ini
The main earthquake (mainshock) as well as the earthquake that occurred for the first time had a magnitude of 5.5, occurred at 17.36.22 WIB. The epicenter of this earthquake is located at coordinates 10.69 South Latitude and 116.94 East Longitude, to be precise at sea at a distance of 216 Km south of Taliwang City, West Sumbawa Regency, NTB at a depth of 44 km.
BMKG’s Head of Earthquake and Tsunami Mitigation, Daryono said, this earthquake was a shallow earthquake triggered by the subduction of the Indo-Australian Plate under the Eurasian Plate, to be precise at the contact pieces between the plates or commonly known as the megathrust zone. Berita Terkini
“This earthquake shock was felt in the areas of Mataram, Lombok, and West Sumbawa on the MMI III intensity scale. This earthquake, although the depth is shallow, does not have the potential for a tsunami because of its relatively small magnitude to become a tsunami-potential earthquake, “said Daryono via his personal social media, Friday (16/4/2021).
BMKG monitoring results until today, Friday 16 April 2021 at 10.42.05 WIB, there have been 5 aftershocks. So that if you add the main earthquake to 6 times the earthquake in this zone. Berita politik
The biggest aftershock occurred today at 10.42.05 WIB with a magnitude of 5.4 with a depth of 21 km. This aftershock was felt in Sumbawa on the MMI III intensity scale. Meanwhile, in Mataram and Denpasar, the intensity scale was II MMI. Avril Lavigne Fanpage