The country’s meteorology agency said rivers could be blocked by landslides or rubble and spark flash floods in Cianjur.
Indonesia experiences frequent seismic and volcanic activity due to its position on the Pacific "Ring of Fire", where tectonic plates collide.
Monday's tremor was the deadliest in the archipelago nation since a 2018 quake and resulting tsunami killed more than 4,000 people on the island of Sulawesi.
But for a few women there was joy on the sidelines of the disaster.
At least three babies were born in the same evacuation tent a day after the disaster, according to West Java governor Ridwan Kamil.
He posted a video Wednesday of his visit to the tent where he named one of the children Gempita -- which means “shaking”, after the earthquake.
As he uttered her new name, smiling friends and relatives of mother Dewi shouted in jubilation: “Thank God!”
Source: Agence France-Presse
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