Logo

6.2 magnitude earthquake strikes off Hualien

6.2 magnitude earthquake strikes off Hualien

2023-10-24

A magnitude 6.2 earthquake struck off Hualien County Tuesday morning. The shaking was felt islandwide, at a maximum intensity of 3 on a 7-tier scale. Seismologists say that in the Taipei area, the seismic waves were amplified by the geography and tall buildings, making the quake feel stronger than it was. They warn that aftershocks of up to magnitude 6 may occur within the next five days.

An earthquake rocked Taiwan at 7:05 a.m. on Tuesday. This cashier at an Yilan supermarket was startled by the shaking, raising a hand to shield his head. The Central Weather Administration issued an earthquake warning for Yilan.

Supermarket employee
The alert went off, and everything started shaking. There was a customer, so I just kept attending to her.

Supermarket employee
The ground shook quite violently. I rushed out to check on the store to see if anything fell to the ground.

The earthquake’s epicenter was located off the coast of Hualien. With a magnitude of 6.2, it is the biggest earthquake recorded in Taiwan so far this year. It was relatively shallow, at just 5.7 kilometers deep. In Yilan, Hualien, New Taipei and Hsinchu, the earthquake measured 3 on Taiwan’s 7-tier intensity scale. In Taipei, Taitung, Nantou and Taichung, it was felt at an intensity rating of 2. Even in the offshore county of Penghu, the earthquake registered an intensity level of 1. The shaking woke up many residents in greater Taipei.

Wu Chien-fu
CWA Seismological Center
In the Taipei basin or in taller buildings, the basin and the buildings resonate with the rocking, making the earthquake feel bigger. Since many people were still sleeping and everything was still quiet, the quake may have been more noticeable.

Chen Wen-shan
NTU Department of Geosciences
The direction of the seismic waves varies, and each earthquake may result in different intensities of swaying at the same spot. It’s all because of the path of the seismic waves. These factors are called seismic site effects.

On average, Taiwan gets hit with two to three earthquakes with magnitudes of 6 or above every year. The temblor on Tuesday was the first one in 2023. So far this year, there have been 24 earthquakes with magnitudes of 5 or above, which is not far from the yearly average of 25. The CWA says this year’s seismic activity is within the normal range.

Wu Chien-fu
CWA Seismological Center
Based on the data we have, we don’t rule out the possibility of aftershocks ranging from 5.5 to 6 in magnitude within the next five days.

The earthquake was also felt in Japan’s Yonaguni Island, where it registered an intensity of 3, according to the Japan Meteorological Agency. Even as far as Ishigaki Island, the temblor reached an intensity of 2.

For more Taiwan news, tune in:
Sun to Fri at 9:30 pm on Channel 152
Tue to Sat at 1 am on Channel 53

今年規模最大!花蓮外海6.2地震 5天內恐有5.5餘震

2023-10-24

今天(24日)早上7點5分地牛翻身,這起地震發生在花蓮外海,規模達6.2,是今年最大的一起,最大震度達3級,由於深度只有5.7公里,屬於極淺層地震,全台有感,氣象署提醒,不排除在五天內,還會有規模5.5到6.0的餘震發生。

24號上午7點5分地牛翻身,宜蘭的超市內,原本在結帳的店員,都被嚇了一跳,下意識舉手護住頭部。氣象署也針對宜蘭發布國家級警報。

[[宜蘭超市店員]]
“(警報)馬上響,馬上搖,我還有客人,我也沒辦法,我就只好繼續算(帳)。

[[宜蘭超市店員]]
“搖得蠻大力,趕快出去看一下賣場,有沒有東西掉落。”

這起地震發生在花蓮外海,規模達6.2,是今年觀測範圍內最大的一起,而且深度只有5.7公里,屬於極淺層地震,宜蘭、花蓮、新北、新竹等地,最大震度達3級,台北、台東、南投、台中等地則是2級,連離島澎湖都有1級。大台北地區有不少民眾,都感受到相當劇烈的搖晃,從睡夢中被驚醒。

[[氣象署地震測報中心主任 吳健富]]
“台北盆地或是比較高的樓層,會有一些盆地的效應,跟大樓的效應,會有一些共振,所以你感覺會比較大,而且這時候可能有人還在睡夢當中,因為環境場比較安靜,所以你感覺到的震動會更明顯。”

[[台大地質系教授 陳文山]]
“地震波傳達的方向,其實方向不一樣,同一個地點,搖晃的程度就會不一樣,可能跟它的震波行經的路線,是有關係的,我們稱為,場址效應。”

台灣一年平均會發生2到3個,規模6以上的地震,週二這起是今年第一個,而規模5以上的地震則已經有25個,和平均值24個相近,氣象署認定今年的地震仍在平均值內。

[[氣象署地震測報中心主任 吳健富]]
“根據資料研判,大概5天內,我們不排除會有規模5.5到6.0的餘震會發生。”

這起地震,震央臨近日本的與那國島,日本氣象廳在當地測得3級震度,石垣島也有2級,都能感受到地牛翻身的威力。

更多新聞內容,請鎖定:
民視台灣台(152頻道)週日至週五晚上9:30
民視新聞台(53頻道)週二至週六凌晨1:00

Related News

Lithuania-Taiwan partnership ‘must become a success story’: Lithuania speaker

2023-10-24

A refresher on earthquake safety: Forget the ‘Golden Triangle’ theory

2023-10-24

Taiwanese celebs walk red carpet at Tokyo International Film Festival

2023-10-24

Spotlight: Taiwanese korfball player-turned-model Chien Wan-yun

2023-10-24

Hong Kong immigrant becomes pillar of community on Nantou’s Bagua Mountain

2023-10-24

Taekwondo practitioner Xiao Xiang-wen wins Taiwan’s first Asian Para Games gold

2023-10-24