“The earthquake has been felt as far afield as Sumatra, Bali and Lombok, because it is a deep fault earthquake. In this case, it occurred at a depth of 578 kilometers.”
Indonesia is long known to be vulnerable to earthquakes, volcanic activity, and other natural disasters due to its geographical location in the Pacific Ring of Fire.
(Writers: Hendrik Yanto Halawa, Luthfia Ayu Azanella, Sabrina Asril, Gloria Setyvani Putri| Editors: Abba Gabrillin, Rizal Setyo Nugroho, Sabrina Asril, Gloria Setyvani Putri)
Sources:
https://regional.kompas.com/read/2020/07/08/12260801/rabu-siang-gempa-bumi-terjadi-di-nias-utara.
https://www.kompas.com/tren/read/2020/07/07/145700265/5-gempa-berkekuatan-40-61-m-yang-guncang-wilayah-indonesia-hari-ini?page=all#page2.