Aftershocks possible following 5.7 magnitude earthquake: CWB

09/26/2021 02:56 PM
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From the Central Weather Bureau website
From the Central Weather Bureau website

Taipei, Sept. 26 (CNA) Following a major earthquake in Hualien County on Sunday morning, the Central Weather Bureau (CWB) warned of possible aftershocks in the region over the next two days.

The magnitude 5.7 quake occurred at 6:21 a.m., with the epicenter located in Xiulin Township -- 37.1 kilometers north northeast of the county hall -- at a depth of 45 kilometers.

The earthquake's intensity, which gauges its actual effect, was highest in Hualien, Yilan and Hsinchu counties, where it measured 4 on Taiwan's 7-tier intensity scale, the CWB said.

From the Central Weather Bureau website
From the Central Weather Bureau website

Chen Kuo-chang (陳國昌), director of the CWB's Seismological Center, said initial observations suggest the quake took place within a subduction zone.

Since monitoring began in 1973, subduction zone earthquakes have been rare in Haulien and the quake on Sunday was the strongest one ever registered in the region, he added.

While subduction zone earthquake aftershocks seldom occur, the possibility cannot be ruled out over the next two days, Chen said.

No damage or injuries from the quake were reported.

In related news, the earthquake caused delays to local railway schedules. Taiwan Railways Administration announced on Sunday that a total of 4,800 passengers were affected as a number of trains temporarily stopped running out of safety concerns.

(By Yu Hsiao-han, Chang Hsiung-feng and James Lo)

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