【美国新闻速递】阿拉斯加讯
阿拉斯加南部海域本周一（19日）发生7.4级地震，目前引发两个5级余震以及海啸预警。
阿拉斯加地震中心表示，阿拉斯加南部海域19日中午12点54分发生7.4级地震。当地包括沙角（Sand Point），奇格尼克（Chignik），乌纳拉斯卡（Unalaska）和基奈半岛（Kenai Peninsula）等社区普遍有震感。
Preliminary M7.4 SE of Sand Point, AK. See @NWS_NTWC for tsunami warning info. We will have a reviewed solution out shortly. This may be an aftershock of the July 22, 2020 #SimeonofEQ. Felt reports as far as Anchorage. https://t.co/JXgMlmM8L1
— Alaska Earthquake Center (@AKearthquake) October 19, 2020
Our reviewed solution of the M7.5 event at 12:54 pm. There have been 2 M5+ aftershocks to this event so far. Please fill out DYFI reports, & find more details on the main event at https://t.co/6P13ouE0gH. For updated tsunami info, please @NWS_NTWC or https://t.co/nbvKXs5FJk
— Alaska Earthquake Center (@AKearthquake) October 19, 2020
阿拉斯加地震中心说，据报地震11分钟后又发生了5.2级余震，大致集中在同一地区。
美国国家海啸预警中心在地震后发布海啸预警警告。
国王湾的公共安全官员也发出警报，敦促沿海地区的居民向内陆转移。
TSUNAMI WARNING 2: See https://t.co/npoUHxEZLS for alert areas. M7.5 055mi SE Sand Point, Alaska 1255AKDT Oct 19:
— NWS Tsunami Alerts (@NWS_NTWC) October 19, 2020
Mon Oct 19 22:08:01 UTC 2020 event picture pic.twitter.com/KO4amMiiXJ
— NWS Tsunami Alerts (@NWS_NTWC) October 19, 2020
