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Saturday, December 28, 2019

California Earthquakes, Vancouver Earthquakes and Seattle has darkest day on record -- unusual events in the past ten days !

No major 
earthquake 
disaster 
in a 
long time.

So no one cares.

But there were 
more than 
1,200 earthquakes 
in the United States 
in seven days,
most in California.







CALIFORNIA:
There was a swarm 
of earthquakes 
on Christmas Eve 
and Christmas Day, 
after quakes rattled 
the Ridgecrest area 
on the prior Thursday 
and Friday.

At least nine 
earthquakes 
in 24 hours,
reaching up to 
3.2 magnitude, 
shook California 
from the 
Los Angeles area 
north to Chico, 
the U.S. Geological 
Survey reports.

These happened 
five months 
after the biggest 
earthquake 
in two decades.

A swarm of 
smaller quakes 
rattled a secret 
Navy base in the 
Mojave Desert 
Thursday afternoon, 
and before dawn 
on Friday, 
according to the 
US Geological Survey.

Five quakes 
with magnitudes 
over 2.5 struck 
Naval Air Weapons 
Station China Lake 
between 3 p.m. 
Thursday and 
3.30 a.m. Friday 
in Ridgecrest, CA.

That same area had two 
large earthquakes that made 
national headlines last July
( preceded by a series 
of alarming foreshocks ).



VANCOUVER
There were no reports 
of damage or injuries 
after five earthquakes 
struck within seven hours 
off the northwest end 
of Vancouver Island 
on the Monday 
before Christmas.

They began 
as minor quakes, 
but grew stronger 
as the morning 
turned to afternoon.

According 
to the CBC, 
those five 
large earthquakes 
ranged in size from 
magnitude 4.8 
to magnitude 6.0:
5.1 (8:44 a.m. PT).
5.6 (11:13 a.m.).
5.8 (11:49 a.m.).
6.0 (12:56 p.m.).
4.8 (3:38 p.m.).



There were more
than 30 significant 
earthquakes over 
last 30 days,
in the vicinity 
of Mt. Rainier.



SEATTLE:
On Friday,
before Christmas, 
Seattle experienced 
“its darkest day 
in recorded history”,
due to several factors, 
including shorter days 
and dense cloud coverage.

Pyranometers
are devices installed 
in buildings 
on campus at the 
University of Washington 
that help scientists gauge 
just how dark the days 
actually get in the city.

Scientists there monitor 
how much solar radiation 
reaches the ground 
during a 24-hour span.