Earth­quake recorded off the North West coast

Pilbara News - - News - Ali­cia Perera

An earth­quake of 3.5 mag­ni­tude on the Richter scale was recorded in wa­ters off the North West coast, near Bar­row Is­land, last week.

Geo­science Aus­tralia re­ported the quake oc­curred at 10.02am on Mon­day, Oc­to­ber 24, about 300km off the main­land coast­line and at a depth of 20km.

Duty seis­mol­o­gist Dr Marco Mal­doni said the quake’s ra­dius of im­pact was about 40km and be­ing so far away from land, there was “no way in the world” land tremors would have been felt.

As a deeper quake, there was also no tsunami risk.

“That’s about as deep as Aus­tralian earth­quakes get — they’re usu­ally quite shal­low,” Dr Mal­doni said.

He said Geo­science Aus­tralia recorded earth­quakes off­shore from North West WA “from time to time”, though they were usu­ally not dis­rup­tive, be­ing so far out to sea.

There have been sev­eral earth­quakes off the North West coast in re­cent years, mostly around a mag­ni­tude of 4.

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