The epicentre of the earthquake was said to be in Namche Bazar, Nepal. USGS upgraded the magnitude of the earthquake to 7.3 on the Richter scale.
Also read: Quake hits Nepal again: 4 dead
Indian Embassy Helpline numbers in Nepal: (+977) 9851107021, (+977) 9851135141
9: 10 pm: Toll in fresh earthquake rises to 57. It includes 37 in Nepal, 10 in India
7: 37 pm: Reportedly, the toll rises to 42 in Nepal quake.
5:30 pm: 17 people were killed in India after the fresh earthquake. 16 out of the 17 were from Bihar, informed Home Ministry.
5:12 pm: Nepal's Home Ministry raises the death toll from the latest earthquake to at least 36.
5:05 pm: IAF choppers sent to survey quake-hit areas.
5:03 pm: Round-the-clock control room opened at West Bengal secretariat in Nabanna. The numbers are 1070 and 22143526.
5:00 pm: School railing collapses due to earthquake, 14 students injured in South Dinajpur in West Bengal.
4:33 pm: As we felt fresh tremor today, we stopped metro services in Kolkata, says RN Mahapatra, the CPRO, Eastern Railway.
3.50 pm: West Bengal CM Mamata Banerjee urged the residents to stay calm in the wake of earthquake .
3.45 pm: People evacuate a building after tremors were felt in Kathmandu, Nepal
3.18 pm: At least five killed, 300 injured in new 7.4-magnitude earthquake in Nepal.
3.04 pm: Exams in Siliguri (WB) disrupted, students vacate exam halls.
3.00 pm: IAF launches Mi 17 helicopter in Kathmandu for damage assessment. Team to film damage and report relief teams to be dispatched
2.55 pm: Home Minister Rajnath Singh speaks to Indian envoy in Nepal.
2.48 pm: NDRF teams put on alert in Ghaziabad, Guwahati, Patna, Kolkata and Bhatinda
2.45 pm: Power supply disrupted in Kathmandu; phone and internet services working
2.37 pm: Prime Minister Narendra Modi takes stock of situation following fresh earthquake felt in Nepal and parts of India.
PM took stock of the situation following the fresh major earthquake felt in Nepal and parts of India, at a high-level meeting.— PMO India (@PMOIndia) May 12, 2015
PM directed all concerned authorities to be on alert for carrying out rescue and relief operations, as required.— PMO India (@PMOIndia) May 12, 2015
2.33 pm: Ministry of Home Affairs is in constant touch with the States.There is no loss of life or property reported so far: Government of India
2.28 pm: Jet Airways 9W266 flight to Kathmandu diverted to Lucknow.
2.25 pm: One labourer dies after a wall collapses at an under construction site due to earthquake in Patna
2.23 pm: Sixth aftershock again felt at 1:51 pm
2.20 pm: UP CM Akhilesh Yadav evacuated building after tremors were felt in Lucknow
2.15 pm: Union Home Minister Rajnath Singh briefs PR Narendra Modi.
2.12 pm: First pictures from Kathmandu, location-Soaltee hotel
2.10 pm: At least 4 dead in building collapse, 12 injured in landslide after earthquake strikes Nepal
2.00 pm: USGS reports 4 quakes in quick succession
1.57 pm: 4 dead in Nepal according to Reuters, Kathmandu airport has been shut.
1.50 pm: NDRF teams have been put on stand by even as reports of building collapse in Nepal, people admitted to hospitals
1.30 pm: Second earthquake measured 5.6, epicenter 25km SE of Kodari, Nepal: USGS
1.26 pm: US Geological Survey upgrades Nepal quake to 7.4 magnitude with a depth of 19 km
1.23 pm: Home Ministry spoke to Home Secretary LC Goyal and India's ambassador in Nepal Ranjeet Ray. NDRF has been placed on alert: Rajnath Singh
1.20 pm: Two earthquakes struck India with epicentres in Nepal (7.1 in Richter scale) and Afghanistan (6.9 in Richter scale): MHA.
The tremors were felt in Delhi, NCR, Patna, Bihar, West Bengal, Orissa and Assam. Metro services as well as mobile services were disrupted in Kolkata. Metro services were also disrupted in Delhi.
Offices and commercial establishments have been evacuated in several parts where the tremors were felt. Delhi continued to feel the after shocks even after the first tremor was felt.
The earthquake comes after 18 days of the devastating earthquake measuring 7.9 that jolted Nepal and killed thousands.