Reports until 17:27, Thursday 20 April 2017
H1 SEI
patrick.thomas@LIGO.ORG - posted 17:27, Thursday 20 April 2017 (35698)
Earthquake Report
5.4 Pangai, Tonga

Was it reported by Terramon, USGS, SEISMON? Yes, Yes, No

Magnitude (according to Terramon, USGS, SEISMON): 5.4, 5.4, NA

Location: 112km SE of Pangai, Tonga; 20.568°S   173.644°W

Starting time of event (ie. when BLRMS started to increase on DMT on the wall): ~23:44 UTC

Lock status? L1 remained locked. H1 remained locked, but looked on the verge of losing lock. Large glitches and corresponding ring ups of PI mode 23.

EQ reported by Terramon BEFORE it actually arrived? Not sure
Images attached to this report