快訊/加州再發生規模7.1強震 震源深度0.9公里…1700起餘震侵擾
美國南加州當地時間5日晚間8時19分許再發生規模6.9強震,震央位於裡奇克萊斯特(Ridgecrest)東北邊10公里處,震源深度0.9公里,未來可能還會再有多起餘震。稍早美國地質調查局(USGS)把規模7.1下修到6.9,不過該網站疑似故障,隨後又把規模調整爲7.1。
▲南加州當地時間5日晚間再度發生強震。(圖/翻攝自歐洲-地中海地震中心)
An earthquake with a preliminary magnitude of 6.9 jolted Southern California, but there are no immediate reports of damage or injuries. The quake was centered 11 miles from Ridgecrest, where a magnitude 6.4 quake struck on Thursday. https://t.co/PIZGTfqrOy
當地警方已在推特發出警示訊息,除非需要醫療協助、發生火災、天然氣外泄等需要緊急服務時,民衆請勿隨意撥打911。
根據多家外媒報導,洛杉磯市中心感受到至少30秒晃動,此外,內華達州拉斯維加斯(Las Vegas)也有感到搖晃。USGS指出,甚至墨西哥也有感。
南加州當地時間4日上午10時33分發生規模6.4大地震,震央位在洛杉磯北方150英里(約240公里)的莫哈維沙漠(Mojave Desert),震源深度僅8.7公里,當時這起地震爲南加州20年以來規模最大的。科學家5日表示,南加州4日發生地震後,已經再有1700多次餘震。
Prelim M7.1 Earthquake 35.767, -117.605 Jul-06 03:19 UTC, updates https://t.co/uVJBfBodUN
According to USGS that was a M7.1 Earthquake! Lights are swinging in the restaurant here in Redlands. pic.twitter.com/DpIHB4cCKU
Just felt the 7.1 in Ridgecrest, CA over 140 miles away!!! We are all safe, with a clean pool deck now... @NBCLA pic.twitter.com/fuAaOh8i6V
The 6.9 earthquake was felt County wide around 8:19pm. OCSD Dispatch would like to remind you unless you have damage, need medical aid, have a fire, a gas leak, down power lines, or need emergency services. PLEASE DO NOT call 9-1-1. #OCSD #Earthquake #OrangeCounty #Sheriff pic.twitter.com/CWXcuQr9q8