Thursday, August 29, 2019

6.3R off coast of Oregon

The United States Geological Survey says a 6.3 magnitude earthquake has struck roughly 170 miles off the coast of Oregon, in the western United States, as shown in location in the above map.
The earthquake was detected south of Portland, in an area that has a relatively small population.
The National Oceanic and Atmospheric Administration's Tsunami Warning Centre did not immediately issue a tsunami warning for the area after the earthquake was detected.
The tremor comes just after the Pacific Northwest Seismic Network reported detecting more than 4,500 small earthquakes over a two week span, deep underneath the Olympic Peninsula and outer Vancouver Island. The areas impacted by those tremors also included an area spanning from near Eugene, Oregon — close to where the Thursday earthquake was seen — down to the Siskiyou Mountains in northern California.Those earthquakes were part of a phenomenon known to scientists as "episodic tremor and slip" or "slow slip", which apparently happens on a regular basis along Cascadia's tectonic plate boundary.The earthquake, while large, is unlikely to cause much harm, as the closest population centres are likely too far to be significantly impacted.
Below we see our prediction for the region, shown the activation expected in the last part of this month.

MagnitudeMw 6.3
Date time2019-08-29 15:07:57.8 UTC
Location43.64 N ; 128.07 W
Depth2 km
Distances730 km SW of Vancouver, Canada / pop: 1,838,000 / local time: 08:07:57.8 2019-08-29
427 km W of Salem, United States / pop: 155,000 / local time: 08:07:57.8 2019-08-29
319 km W of Coquille, United States / pop: 3,900 / local time: 08:07:57.8 2019-08-29
302 km W of Bandon, United States / pop: 3,100 / local time: 08:07:57.8 2019-08-29

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