Overall Green Earthquake alert in Canada on 21 Nov 2017 09:47 UTC

GDACS is a cooperation framework between the United Nations, the European Commission and disaster managers worldwide to improve alerts, information exchange and coordination in the first phase after major sudden-onset disasters.

M 4.7 in Canada on 21 Nov 2017 09:47 UTC

2017-11-21 23:03 message from NTWC

Key information extracted from original GTS message :

Evaluation

There is no TSUNAMI danger from this earthquake
Preliminary earthquake parameters
The following parameters are based on a rapid preliminary assessment and changes MAY occur
Magnitude 4.7
Origin time 0047 akst nov 21.2017 0147 pst nov 21 2017 0947 UTC nov 21
Coordinates 49.5 north 129 2 west
Depth 17 miles
Location 100 miles sw of port alice BRITISH columbia 335 miles s of prince rupert BRITISH columbia additional information and next update
Further information will be issued by the UNITED STATES geological survey (earthquake
Usgs
Gov) or the appropriate regional seismic network
This will be the only u s national TSUNAMI warning center message issued for this event unless additional information becomes available

Measurements Levels

SOURCE	GAUGE LOCATION	LAT	LON	TIME (UTC)	HEIGHT (m)	PERIOD (min)

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