REPUBLIKA.CO.ID, JAKARTA -- An earthquake measuring 7.0 on Ricther scale rocked West Nusa Tenggara (NTB) at 6.46 Western Indonesian Standard Time (WIB) on Sunday. The Meteorology, Climatology and Geophysics Agency (BMKG) immediately issued a tsunami early warning.
The epicenter of the earthquake was located at 8.37 degrees southern latitude and 116.48 degrees eastern longitude at a depth of 15 kilometers.
"We continue to monitor its progress. Lombok is in a tsunami warning status," said Head of Earthquake and Tsunami Center of the Meteorology, Climatology and Geophysics Agency (BKMG), Rahmat Triyono, who was contacted in Jakarta on Sunday.
Residents affected by Sunday's earthquake evacuated to temporary shelter in Lombok, West Nusa Tenggara, Sunday (Aug 5).
He explained that the alert status warning meant that the wave height was less than 50 centimeters. After the earthquake, tsunamis were detected in four spots.
The first tsunami was detected with a height of 0.135 m in Carik at 6:48 p.m. WIB. The second occured in Badas with an altitude of 0.100 m at 6:54 p.m. WIB.
The third wave came to Beno at 19.27 p,m with a hight of 9 cm. It was followed by the last tsunami at 19.58 p.m with an altitude of 2 cm.
Tsunami warning finally revoked at around 20.25 p.m. BMKG noted that 24 aftershocks occured and its magnitude has been gradually decreasing.
Minor damage occured at Ngurah Rai International Airport, Denpasar, Bali following 7-magnitude earthquake that jolted West Nusa Tenggara on Sunday (Aug 5).
"We have been checking for 10 minutes at the airside to ensure the realibility of our flight facilities and we assure that the condition is safe for flights," Communication & Legal Section Head Bandara International I Gusti Ngurah Rai, Arie Ahsanurrohim told Republika.co.id, on Sunday.
Earlier, a quake hit Lombok and Sumbawa Islands on last Sunday (July 29) at 6:47 a.m. local time but did not have the potential to trigger a tsunami. The death toll from the 6.4-magnitude earthquake has reached 20 as of Sunday (Aug 5).
Meanwhile, a total of 8,919 families, or 23 thousand residents, of North Lombok District remained displaced. As of Wednesday, many of them still stay outside their houses in the aftermath of the 6.4-magnitude earthquake that hit their villages.