A yellow alert has been issued for Sunday in Wayanad, Kozhikode, Malappuram, Ernakulam, Idukki, Kottayam, Pathanamthitta and Kollam districts.
The rescue operation, being carried out jointly by the NDRF, the ITBP and the members of local police and home guards, resumed at 6 am on Thursday.
Several vehicles, including a Himachal Road Transport Corporation (HRTC) bus carrying over 40 passengers, are buried under the debris.
The landslide struck the four labour quarters, locally known as 'layam', in the Nayamakkad Estate near to the Devikulam National Park on the night of August 6, 2020.
Heavy boulders fell on a tempo traveller carrying 11 people, killing nine and injuring two.
The rainfall is likely to taper off by Tuesday. Though a fresh low-pressure area is expected to form over the Bay of Bengal around July 28, Kerala is likely to see only below normal rainfall then.
Kerala has been experiencing heavy rainfall due to the formation of a low-pressure area over the Bay of Bengal as well as over the Arabian sea.
Idukki residents here are wary of too much rain. Memories of what happened at Pettimudi in Munnar are still very raw in many people's minds.
The shocking incident took place in the small Talai village near Mahad town in the hilly stretch of Maharashtra's Raigad district.
The study carried out by experts of Kerala and US universities has also found that 17 per cent of the area has become dangerously disaster-prone.