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Earthquake in Idaho Panhandle
felt by many in Boundary County |
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April 23, 2015 |
The U.S. Geological Survey is reporting what
many people in Boundary County and elsewhere in
the Idaho Panhandle felt earlier this evening:
an earthquake. In fact, two earthquakes.
(Update as of 3:00 a.m. on Friday,
April 24---now earthquake #3 at
1:29 a.m., early hours of Friday, April 24).
The USGS is reporting two earthquakes occuring
this evening. The first occurred at 7:32 p.m., a
magnitude 4.1 earthquake occurred, with its
epicenter at a location 14 miles southeast of
Sandpoint and a depth of 3.1 miles. About three hours later, at 10:43
p.m. a second earthquake of magnitude 4.2
occurred with its epicenter a little farther
north, about 9 miles east-southeast of Ponderay,
depth again at 3.1 miles.
(Update as of 3:00 a.m. on Friday,
April 24---Earthquake #3 reported
by USGS to have its epicenter 8 miles
east-southeast of Sandpoint, magnitude 3.3,
depth 12.8 miles).
The USGS website has a page called "Did You Feel
It?" where people can fill out a quick form
indicating whether they felt the earthquake or
not. At the time of this posting (about 11:45
p.m.), over 350 people have filed responses about
having felt the first tremor at 7:32 p.m. There
were 544 people who filled out the form
indicating how strongly they felt the second
Idaho Panhandle earthquake at 10:43 p.m. On the
USGS survey scale of rating the shaking felt
from 1-10, the responses all cluster around
scores of 2, 3, or 4, in the "weak" shaking to
"light" shaking range.
Many in Boundary County are reporting on social
media sites their having felt the shaking of
these quakes.
You can go to the USGS "Did You Feel It?" page and fill out the
USGS survey at
http://earthquake.usgs.gov/earthquakes/eventpage/us200028q3#impact_dyfi
The following map (Source: website of the
U.S. Geological Survey) shows where shaking from
the later, 10:43 p.m. earthquake was felt, and
clearly shows shakes felt throughout Boundary
County.
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