According to the Central Weather Bureau (CWB), eastern Taiwan was hit by earthquakes of magnitude 6.2 and 5.8 at intervals of three minutes on Sunday evening (April 18).
The first earthquake with a magnitude of 5.8 occurred at 22:11 and occurred 19.2 km southwest of Hualien County, at a shallow source depth of 15 km. Taiwan uses an intensity scale of one to seven, which measures the sensation of an earthquake at a specific location.
The quake intensity was five in Hualien County, four in Nantou County, Yilan County and Changhua County, and three in Taichung County, Yunlin County, Chiayi County, Miaoli County and New Taipei, intensity level two. was recorded in Taoyuan, Hsinchu, Kaohsiung, Hsinchu, Chiayi, Taipei, Tainan and Pingdong counties, while less intensity was felt in Keelung and Penghu cities.
The second earthquake measuring 6.2 on the Richter scale occurred just three minutes later at 10:14. The epicenter of the second strike was 20.2 km southwest of the Hualien County building at a shallow depth of 13.9 km.
The earthquake was 6 in Hualien County, 4 in Nantou County, Taichung City, Yilan County, Taitung County, Yunlin County, Changhua County, Chiayi County and Miaoli County. Intensity level three was reported in Taoyuan City, Hsinchu County, New Taipei, Xinchu City, Chiayi City, Taipei City, Kaohsiung City and Tainan City, while Intensity Level two was experienced in Keelung City, Pingdong County and Penghu County.
Many people in Taiwan reported that they received an emergency text message from the CWB on their phones warning them of the 10:11 pm earthquake and “watch out for possible shocks.” At the time of publication, there were no reports of earthquake victims.