The earthquake prompted a tsunami warning in the area, with authorities urging coastal residents to immediately evacuate to higher grounds.

In the aftermath, the earthquake damaged a total of 505 structures across Banten and West Java.

The epicentre was located 147 km off the coast of Sumur, an area which had been previously destroyed by another tsunami in December 2018.

[4] According to experts from the Indonesian BMKG, the earthquake wasn't caused by Sunda megathrust, but rather from a nearby fault, indicated by its north–south motion of the rupture.

In Jakarta, office workers and apartment residents were evacuated from high rise buildings, citing "strong shaking".

[2] A tsunami warning was issued for Lampung and Banten, with an expected maximum height of 3 m.[8][9] Residents in coastal areas, especially those in Southern Lampung and Pandeglang Regency, were urged by authorities to evacuate to higher grounds.

[16] Preliminary reports showed that dozens of structures across Banten and West Java had been either damaged or destroyed by the earthquake.

[20] A total of 505 structures, including schools, mosques and public institution, were damaged in the quake.

[25] The Ministry of Social Affairs stated that it had dispatched personnel of Tagana (Taruna Siaga Bencana) to the affected areas.