据该国气象局报道,两起地震在早上清晨在东日本三小时内袭击,震动千叶和茨城县,但均未引发海啸。
Two earthquakes struck eastern Japan within three hours early Thursday, shaking Chiba and Ibaraki prefectures, but neither triggered a tsunami, according to the country's weather agency.
第一起地震,初步震级为4.8级,于当地时间上午4点13分(星期三格林尼治时间19点13分)袭击日本东北部的千叶县,据京都新闻引述日本气象厅(JMA)的数据。
The first earthquake, with a preliminary magnitude of 4.8, struck northeastern Chiba Prefecture at 4.13 am local time (1913GMT Wednesday), Kyodo News reported, citing the Japan Meteorological Agency (JMA).
该地震震源深度约50公里(31英里),在日本七级地震烈度 scale上的Asahi市烈度为4。震感也波及到邻近地区,包括茨城县。
The quake originated at a depth of approximately 50 kilometers (31 miles) anded 4 on Japan's seven-point seismic intensity scale in the city of Asahi. Tremors were also felt in neighboring areas, including Ibaraki Prefecture.
大约三个小时后,第二起震级4.0的地震在茨城县发生,在Hitachiomiya的烈度为3,据该机构报道。该机构表示,两次地震均未引发海啸。
Around three hours later, a second earthquake measuring 4.0 in magnitude jolted Ibaraki,ing an intensity of 3 in Hitachiomiya, according to the agency. Neither earthquake generated a tsunami, the agency said.
第二次地震发生在上午7点14分(星期三格林尼治时间22点14分),震源深度约60公里(37英里)。
The second tremor occurred at 7.14 am (2214 GMT Wednesday), at a depth of approximately 60 kilometers (37 miles).
日本近期经历了多次地震。10月1日,千叶东北部发生5.1级地震,紧随在9月29日东日本发生的4.9级地震之后。此前,8月23日,该地区发生5.9级地震,在东京造成40多人受伤。
Japan has experienced several recent earthquakes. A magnitude 5.1 quake struck northeastern Chiba on Oct. 1, following a magnitude 4.9 tremor in eastern Japan on Sept. 29. Earlier, a magnitude 5.9 earthquake struck the region on Aug. 23, injuring more than 40 people in Tokyo.