stdClass对象 （ [类型] => FeatureCollection [元数据] => stdClass对象 （ [生成] => 1593668059000 [url] => https://earthquake.usgs.gov/fdsnws/event/1/query?format=geojson&starttime=2020-01-15T00:00:00&endtime=2020-01-15T12:00:00 [title] => USGS地震 [状态] => 200 [api] => 1.10.1 [count] => 262 ）
[features] => Array
(
[0] => stdClass Object
(
[type] => Feature
[properties] => stdClass Object
(
[mag] => 1.1
[place] => 16km NNE of Angwin, CA
[time] => 1579089438160
[updated] => 1579831863096
[tz] => -480
[url] => https://earthquake.usgs.gov/earthquakes/eventpage/nc73327781
[detail] => https://earthquake.usgs.gov/fdsnws/event/1/query?eventid=nc73327781&format=geojson
[felt] =>
[cdi] =>
[mmi] =>
[alert] =>
[status] => reviewed
[tsunami] => 0
[sig] => 19
[net] => nc
[code] => 73327781
[ids] => ,nc73327781,
[sources] => ,nc,
[types] => ,geoserve,nearby-cities,origin,phase-data,scitech-link,
[nst] => 23
[dmin] => 0.0876
[rms] => 0.09
[gap] => 147
[magType] => md
[type] => earthquake
[title] => M 1.1 - 16km NNE of Angwin, CA
)
[geometry] => stdClass Object
(
[type] => Point
[coordinates] => Array
(
[0] => -122.4113333
[1] => 38.7173333
[2] => 8.02
)
)
[id] => nc73327781
)