Below is the information we have on event 615491 (JSON):

id
615491
mag
4.2
time
2019-03-12 18:31:58 UTC
url
/event/tdmt.php?LANG=en&_id=20190312183100
source
www.fnet.bosai.go.jp
latitude
38.3697
longitude
142.1765
depth
42.49
retrieved
2019-03-15 04:09:53 UTC