JAKARTA - The Meteorology, Climatology and Geophysics Agency (BMKG) updated the Meteorology, Climatology and Geophysics Agency (BMKG) to M 5.1.
The earthquake occurred Saturday, March 12, at 12.31 WIB. The point of the earthquake was in the sea at a distance of 28 kilometers south of Cihara, Lebak Regency with a depth of 10 kilometers.
"The southern Lebak earthquake is a shallow earthquake caused by active fault activity on the seabed," said BMKG Earthquake and Tsunami Mitigation Coordinator Daryono in a written statement, Saturday, March 12.
Daryono explained that the earthquake had a left shear movement mechanism (sinistral strike-slip).
If you look at the mechanism of the source of the Lebak earthquake which was triggered by a sinistral strike-slip fault, he continued, it is suspected that the earthquake generator was a continuation of the Cimandiri Fault in the sea with the characteristics of the left-sliding mechanism as well.
Although the earthquake was shallow in depth and centered at sea, the modeling results showed that the earthquake did not have the potential for a tsunami because the magnitude was relatively small so that the deformation that occurred was not able to disturb the seawater column.
The earthquake was felt in Malingping, Cinangka, Bayah, Pelabuhan Ratu on the MMI III-IV intensity scale. In the city of Lebak, Panggarangan, Labuan, it was felt on the MMI III intensity scale.
In Munjul, Tanara, Anyer, Cianjur, Sukabumi City, the earthquake was felt on the MMI II-III intensity scale, while in Serang City, Tangerang, Serpong, Jakarta the tremor was felt on the MMI intensity scale II.
Until now, there have been no reports of the impact of the damage caused by the M5,1 Lebak earthquake.
As of 13.25 WIB, the results of BMKG monitoring showed that there had been six aftershocks with a magnitude of 2.9 to 4.4.
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