Gary, who works at the Mercure Hotel in Broome, added: "It started off with a shake, it was not too insane and then it developed into quite a shake".
Derby resident Jody Gaunt was having a beer with friends when they felt the quake. "My first quake, pretty scary", he said.
"We were sitting outside and our chairs were rocking", she said.
"I just told him I think this is an quake and we were both quite shocked", Mr Wepener said.
Over in Port Hedland, The Walkabout Hotel employee Shelley told AAP it felt like being on a vibrating machine.
"It came like three waves, quite strong, it's been like 20 years since I've felt one". It was a bit scary.
"This is the first time I've experienced anything like that.it's a bit frightening when the ground around you is moving and you can actually feel yourself and everything around you moving with the Earth".
Stock at a number of stores was damaged when goods fell to the floor during the tremor. One person said on Facebook the intensive care ward at Sir Charles Gairdner Hospital shook for a full minute, local paper The West Australian wrote.
"It started off with a shake, it was not too insane and then it developed into quite a shake", he told AAP, after experiencing his first natural disaster. We made our way outside.
"There's been over 1000 felt reports all the way from Darwin to Perth and there have been preliminary reports of some damage".
"Broome just had a massive natural disaster that was unbelievable", a man wrote on Facebook. The whole house was shaking and it went for ages. "Never experienced anything like it before - quite wonderful!"
The national broadcaster ABC said there were some reports of minor damage from the quake, and no injuries.