Tag Archive | Australia

MAGNITUDE 2.8 WESTERN AUSTRALIA


Depth: 10 km

Distances: 311 km N of Perth, Australia / pop: 1,447,000 / local time: 13:23:00.0 2017-04-16
116 km S of Melville, Australia / pop: 4,900 / local time: 13:23:00.0 2017-04-16

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MAGNITUDE 4.5 NORTHERN TERRITORY, AUSTRALIA


Depth: 11 km

Distances: 1326 km NW of Adelaide, Australia / pop: 1,075,000 / local time: 02:31:21.4 2017-04-14
456 km SW of Alice Springs, Australia / pop: 26,200 / local time: 02:31:21.4 2017-04-14

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MAGNITUDE 4.2 NEW SOUTH WALES, AUSTRALIA


Depth: 13 km

Distances: 194 km N of Canberra, Australia / pop: 328,000 / local time: 02:31:06.2 2017-04-14
128 km W of Katoomba, Australia / pop: 18,600 / local time: 02:31:06.2 2017-04-14
24 km SW of Millthorpe, Australia / pop: 1,300 / local time: 02:31:06.2 2017-04-14

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Thousands of dead fish washing up on beaches in Victoria and NSW, Australia

Thousands of dead fish have been washing ashore on Mallacoota beaches and parts of the NSW and Victoria east coast since the weekend.
 
Leatherjackets measuring up to 10cm were sprawled across Quarry Beach, while small numbers of whiting have also been reported.
 
Environment Protection Authority Victoria said the fish kill was likely caused by recent changes in current patterns and drops in water temperatures measuring 6 to 7 degrees over the past week.
 
EPA Gippsland manager Stephen Lansdell said Fisheries Victoria and Parks Victoria were in Mallacoota on Wednesday to confirm fish kill estimates.
 
“It’s definitely not a trawler dump due to the spread, location and the way they’re appearing on the beach,” Mr Lansdell said.
 
“From an EPA perspective the fact it’s not regarding pollution lowers our main concern, but any fish kill event is still concerning.”
 
Mr Lansdell said he was first notified of the event about 5pm on Tuesday from a local authority.
 
“It ​would have helped us to understand what was going on if we found out earlier,” he said.
 
“We rely on eyes and ears from the community.”
 
A similar fish kill event happened on Queensland’s Sunshine Coast last month when thousands of beached leatherjackets were found between Coolum and Cooloola.
 
Mr Lansdell said it was likely the big drops in water temperature have been tracking south along the Australian east coast.
 
Mallacoota residents reported some fish were still alive and carrying eggs, while a turtle was also found.
 
Beached leatherjacket sightings have also been spotted as far north as Tura Beach.
 
Mallacoota and District Angling Club president Col Gilchrist said it was the largest local report of fish kill he had heard of.
Courtesy of naroomanewsonline.com.au

MAGNITUDE 2.4 WESTERN AUSTRALIA


Depth: 2 km

Distances: 530 km NE of Perth, Australia / pop: 1,447,000 / local time: 11:47:53.0 2017-04-08
287 km NW of Boulder, Australia / pop: 36,900 / local time: 11:47:53.0 2017-04-08

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MAGNITUDE 2.9 NORTHERN TERRITORY, AUSTRALIA

http://www.emsc-csem.org/Earthquake/earthquake.php?id=581506

Subject To Chang


Depth: 10 km

Distances: 1342 km NW of Adelaide, Australia / pop: 1,075,000 / local time: 19:40:07.0 2017-04-04
456 km SW of Alice Springs, Australia / pop: 26,200 / local time: 19:40:07.0 2017-04-04
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MAGNITUDE 4.0 WESTERN AUSTRALIA

http://www.emsc-csem.org/Earthquake/earthquake.php?id=581456

Subject To Chang


Depth: 20 km

Distances: 1948 km S of Dili, Timor-Leste / pop: 150,000 / local time: 12:55:55.0 2017-04-04
2207 km NW of Canberra, Australia / pop: 328,000 / local time: 13:55:55.0 2017-04-04
2664 km SW of Port Moresby, Papua New Guinea / pop: 284,000 / local time: 13:55:55.0 2017-04-04
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5,000 goldfish found dead in a lagoon in Western Australia

The investigation into a fish kill incident which resulted in the death of 3000 to 5000 goldfish in a Vasse estuary lagoon on Friday has been closed.
 
The Department of Water found that in the recent kill of feral goldfish species, it was likely caused by an increase in salinity when seawater was let in through gates on the surge barrier.
 
The department reported the increase was detected from last Thursday, whereby salinity rose from 12 grams per litre (parts per thousand) to 35 grams per litre (parts per thousand).  
 
Department of Water district manager Dr Kath Lynch reported last Friday that the dead fish were mostly identified as goldfish and no other species had been observed to be affected. 
 
“There will be no pathology as the samples were too decomposed and not suitable,” the department reported.
 
“Given the dead fish were exclusively goldfish our scientists are confident the salinity contributed to their deaths.” 
 
Ms Lynch said while the numbers of dead fish were significant, the incident didn’t involve native fish populations and was a positive from an environmental management perspective. 
 
“Goldfish are a feral fish species and large numbers are a concern to the ecology of the system,” she said.
 
“It is likely that letting in seawater through the gates on the surge barrier contributed to these fish deaths as goldfish are freshwater species and intolerant to elevated salinity. 
 
“This is the first time this action has resulted in fish deaths as native fish are estuarine species and tolerant to changes in salinity as normally occurs when water levels are low in the estuary.
 
“It is likely that the higher water levels and longer periods of freshwater in the system favoured the goldfish population, before seawater was able to mix back into the estuary.”
 
Ms Lynch said fish kills had been recorded at the Vasse estuary prior to the installation of floodgates and it was normal practice to open and close the gates to allow seawater back into the estuary to maintain minimum water levels over summer periods. 
 
“Using the gates in this way allows passage of fish between the freshwater side of the gates and the seawater side of the gates when the water quality is poor and can also improve oxygen levels in the freshwater side in these instances.” 
 
The floodgates were installed in 1908 to stop flooding of adjacent, low-lying agricultural land with salty seawater and the current barriers were replaced in 2004.
Courtesy of busseltonmail.com.au

MAGNITUDE 2.1 WESTERN AUSTRALIA

http://www.emsc-csem.org/Earthquake/earthquake.php?id=581026

Subject To Chang


Depth: 9 km

Distances: 191 km E of Perth, Australia / pop: 1,447,000 / local time: 10:10:19.0 2017-04-02
44 km W of Merredin, Australia / pop: 2,700 / local time: 10:10:19.0 2017-04-02
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