Big Taiwan Earthquake Begins with Another Big Earthquakes

JAKARTA, POTRETKITA.net - A large earthquake with a magnitude of 6.9 that damaged many buildings in Taiwan, Sunday (18/9), was preceded by a series of other large earthquakes in the same area over the previous 17 hours.

FOCUSTAIWAN.TW

Head of the BMKG Earthquake and Tsunami Center, Dr. Daryono explained, the M6.9 earthquake started with M6.5 and there were seven recorded M 5.0 and larger earthquakes, respectively (as of 18 Sep 2022 at 3:00 WIB). So this type of earthquake: Opening Earthquake–Main Earthquake–Aftershock.

"The active Chihshang fault, which triggered the M6.9 earthquake, extends about 35 km from Yuli in the north to Kuanshan in the south. This fault creeps and continues to create cracks along its fault line, with a fairly high shear rate, which is about 2-3 cm/ years," he said on his personal twitter account.

It was explained that the active Chihshang fault that triggered the destructive earthquake was in a north-northeast-south-southwest direction, located between the Central Mountains and the Hai'an Mountains. This active fault zone is located in the collision system between the Philippine Sea Plate and the Eurasian Plate.

As reported, the destructive earthquake in Taiwan occurred on Sunday, September 18, 2022, at 14:44 local time or 13:44 WIB with Mag. 6.9 is centered southeast of Lugu, Taiwan, and triggered by active Chihshang fault activity with a horizontal mechanism at a shallow depth of 10 km.

The online media focustaiwan.tw reported that the train service between Hualien and Taitung Stations had been suspended due to a series of trains derailed due to the earthquake. All fast train services operate normally again at around 05.00 PM local time.

In addition to causing the collapse of several buildings and the cessation of fast train services, this earthquake also triggered the issuance of a tsunami warning. (*/mus/GOOGLE TRANSLATE)