James River Water Levels

Westham Gauge
Gauge Height: 4.96'
Flow: 4700 cfps

Trail Conditions: Richmond

@rvatrailreport
  • Very hot and humid today so fill that Camelbak and bring an extra water bottle. All local trails are open.

Todays Tides: Richmond Locks

High Tide: 8:36am
Low Tide: 3:54pm

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‘Frost quakes’ rock Canada

Ever ahead of the cold-weather curve, Canadians are now reporting the occurrence of “frost quakes” around Toronto and Ontario. The frost quakes make their presence known in the form of a loud booming sound that can be mistaken for an explosion.

Cold grips Toronto. Credit: Cary Westfall/Shutterstock.com

Cold grips Toronto. Credit: Cary Westfall/Shutterstock.com

Also known as a “cryoseism,” a frost quake occurs when water penetrates the soil and then rapidly freezes. With temperatures in the area reaching minus four degrees Fahrenheit, the quakes are becoming more frequent.

“Water expands when it freezes and when it expands in frozen soil it literally puts a lot of stress on that dirt and will release that energy all of a sudden, very much like an earthquake releases that energy and shifts the ground,” says meteorologist Natasha Ramsahai.

Although frost quakes can be startling, they are not a threat to people or even structures. According to the Maine Geological Survey, cryoseisms release very little energy compared to a true earthquake and their vibrations tend to dissipate after a just a few hundred yards.

Nonetheless, they are still very rare. The Toronto Star spoke to Environment Canada Meteorologist Geoff Coulson, who said that this was his first experience with the phenomenon in nearly 30 years.


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