Shallow earthquake measuring 5.7 in magnitude hits off Vanuatu

New Zealand Herald
Mon, 17 Apr 2017 18:24 UTC

An earthquake with a magnitude of 5.7 has struck northwest of the South Pacific island nation of Vanuatu, the US Geological Survey says.

The quake today was initially reported with a magnitude of 6.0 but was later downgraded by the USGS.

It was recorded at a depth of 20km and was located around 250km northwest of Vanuatu's Santo island, the USGS said.

There was no immediate tsunami warning or any reports of damage or casualties.

Source: AAP

Comment: Earthquake Track took note of a strong follow on tremor less than an hour later (even shallower):

2017-04-17 02:21:32 UTC 5.7 magnitude, 20 km depth
Sola, Torba, Vanuatu

Aftershocks:

2017-04-17 03:10:03 UTC 5.1 magnitude, 10 km depth
Sola, Torba, Vanuatu