ahmadajah03 Thu Jan 2021 2 years ago

An earthquake 7.1 SR shakes the North Sulawesi Talaud Islands, BMKG calls no tsunami potential

TRIBUN-VIDEO.COM - An earthquake shook Melonguane, Talaud Islands, North Sulawesi, Thursday (1/21/2021).



The 7.2 magnitude earthquake was centered at 134 kilometers from Melonguane.


According to BMKG, the big earthquake has no tsunami.


Dicated from Kompas.com, the 7.1 magnitude earthquake center is at a depth of 154 kilometers.


According to BMKG, the earthquake occurred at around 19:23 WIB.


Areas that feel earthquake shocks
Namely Melonguane, Tahuna, Ondong, Manado, Bitung, Bolaang Uki, Gorontalo, North Halmahera, and Galela.


BMKG said, the epicenter was at 4.98 North Latitude (LU), 126.38 East Longitude (BT).


The earthquake has no tsunami potential.


The earthquake vibrations are known to be measured on the MMI scale.


Based on the MMI scale quoted from the BMKG page, the following MMI info can be learned.


I MMI


Earthquake vibrations cannot be felt except in external conditions by some people.


II MMI


Earthquake vibrations or shocks were felt by several people, light objects that were hung like the chandelier swayed.


III MMI


Earthquake vibrations are felt in the house.


The vibration felt as if there was a rise in a running truck.


IV MMI


During the daytime can be felt by many people in the house, outside the house by some people, earthenware broken, windows/doors swaying until they are dotted and the walls sound.


V MMI


Earthquake vibrations can be felt by almost everyone, people running around, broken pottery, items bounced, pillars and large objects appear to sway, the bell pendulum can stop.


VI MMI


Earthquake vibrations were felt by everyone.


Most people are surprised and run out, wall plaster falls and chimney at the factory is damaged, mild damage.


VII MMI


Everyone at home came out.


Light damage to the house with buildings and good construction.


Whereas in buildings with unfavorable construction there are cracks and even destroyed, chimney broke.


And vibrations can be felt by people who are riding a vehicle.


VIII MMI


Light damage to buildings with strong construction.


Crush in buildings with poor construction, walls apart from house frames, factory chimneys and collapsed monuments, water turns turbid.


IX MMI


Damage to buildings with strong construction, the frame of the house becomes not straight, many cracks occur.


The house seemed to shift from the initial foundation. The cheeks in the house broke up.


X MMI


Strong wooden buildings are damaged, the frame of the house is free from the foundament, the land is split in curved rails, landslides in each river and in steep lands.


XI MMI


The small buildings are still standing.


Bridge is damaged, a valley occurs.


The pipe in the soil cannot be used at all, the soil is split, the rail is very curved.


XII MMI


Totally destroyed, waves appear on the surface of the ground.


The view turned dark, objects were thrown into the air.




(Tribun-video.com/tribunnews)




This article has been aired on Tribunnews.com with the title of the magnitude 7.1 earthquake shocking the North Sulawesi Talaud Islands, felt to Manado, https://www.tribunnews.com/nasional/2021/01/21/galang-magnitudo
Author: Wahyu Gilang Putranto
Editor: Sri Juliati
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