Earthquake in Indonesia: 'Doublet Earthquakes' in South Lampung, BMKG Ask the Public to Be Alert

TRIBUNBATAM.id - Two earthquake shocks with a strength above magnitude 5 occurred in the waters southwest of Pesisir Barat, Lampung, today, Saturday (13/2/2021) at 11.18 WIB and 11.30 WIB.

Not only time, referring to information conveyed by the Meteorology, Climatology and Geophysics Agency (BMKG) via Twitter, the two earthquakes occurred at points that were also close together.

The first earthquake was at the point of 6.81 South Latitude, 103.30 East Longitude or 193 km southwest of Pesisir Barat, Lampung. 

Meanwhile, the second earthquake was at 6.34 South Latitude, 103.57 East Longitude or 134 km southwest of the west coast of Lampung. 

The epicenter of each earthquake occurred at a depth of 10 km. 

Head of the BMKG Earthquake and Tsunami Disaster Mitigation Division, Daryono, called it a doublet earthquake. 

He said that two earthquakes can be called a twin earthquake or a doublet earthquake must fulfill 3 aspects, namely time, location and strength. 

The two earthquakes that rocked the south of Lampung filled all three, occurred at a location and time that were almost close together, and had almost the same strength.

Daryono explained that the two earthquakes that occurred in southern Lampung were still the concern of BMKG, because previously the earthquake activity in Enggano, Bengkulu, had not been completed since last January. 

In the megathrust zone

Seeing the point of occurrence, it is in the megathrust zone, he is worried, the two earthquakes that occurred earlier are only the opening for another earthquake in the future.

For that, all parties are asked to be more vigilant.

BMKG issued information that these earthquakes didn't have the potential to cause a tsunami even though the depth was quite shallow.  

Daryono appealed to the public to be more vigilant and to immediately stay away from the coastal area if a big earthquake occurs. (*) 

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