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Magnitude 7.1 Earthquake in the Talaud Islands of North Sulawesi, This is the Trigger Source

BMKG Head of Earthquake and Tsunami Mitigation Division, Daryono, said that this earthquake, including a large earthquake, usually occurs in the plate

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Earthquake Illustration 

TRIBUNBATAM.id - An earthquake with a magnitude of 7.1 shook Melonguane, Talaud Islands, North Sulawesi and its surroundings on Thursday (21/1/2021) at around 19.23 WIB.

The Meteorology, Climatology and Geophysics Agency (BMKG) said that this earthquake was centered at 134 kilometers from Melonguane. 

The epicenter was 154 kilometers deep. 

According to BMKG, this earthquake did not have the potential to cause a tsunami

The following are the latest facts regarding the earthquake

Occurs in the plate induction zone

BMKG Head of Earthquake and Tsunami Mitigation Division, Daryono, said that this earthquake, including a large earthquake, usually occurs in the plate junction zone.

The magnitude 7.1 earthquake generator, said Daryono, is rock deformation in the slab section of the Philippine Sea Plate which is subducted under the Talaud and Miangas Islands. 

The elastic nature of this rock makes the rock not brittle, so aftershocks rarely occur.

Based on BMKG monitoring results, during the last few years there has been an increase in seismicity activity in this area, especially for moderate earthquake activity at a depth of about 100 kilometers.

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Penulis: Lia Sisvita Dinatri
Editor: Lia Sisvita Dinatri
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