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Entries in Montana earthquakes (6)

Monday
Jun252012

Quake hits near Seeley Lake

USGS map shows quake's epicenter NE of Seeley Lake(SEELEY LAKE)- A relatively strong quake rumbled underneath the Bob Marshall Wilderness late Sunday night. 

According to the initial computer-generated data, the quake measured a magnitude 3.2 and was centered between Alloy and Black Mountain, which is 21-miles northeast of Seeley Lake. That’s along the headwaters of the South Fork of the Flathead in a very remote area.

The quake happened just a few minutes after 10 p.m. and was quite deep, just over 9-miles beneath the surface of the Earth.

A handful of people reported to the U.S. Geological Survey that they had felt the quake in the Seeley Lake area, with another report coming in from Ovando, which is about 24-miles from the epicenter.

The quake was the first sizable quake in Western Montana since last winter. 

Monday
May072012

Small quake recorded near Ovando

(OVANDO)- It doesn’t look like anyone reported feeling the shake, but a small earthquake did rattle the Upper Blackfoot Valley early Monday morning.

The U.S. Geological Survey reports the quake, which initially measured a 2.8 magnitude, happened just after 1:22 a.m. Monday morning with the epicenter about 10-miles east of Ovando. The quake was fairly deep at 8.3-miles, which likely limited how noticeable the event would have been, especially at that time of the day.

The U.S.G.S. site doesn’t show anyone reporting they felt the quake, which is another example of the regular seismic activity Western Montana is known for. 

Tuesday
Feb072012

Small quake rumbles under Seeley Lake

(SEELEY LAKE)- It wasn't strong enough for people to notice, but a small quake near Seeley Lake Monday proves once more how seismically active Western Montana can be.

KPAX TV reports this latest quake registered 1.3 magnitude and happened just after midnight. The epicenter was about 24-miles northeast of Seeley Lake in the Bob Marshall Wilderness area. The U.S.G.S. says the quake was fairly shallow and close to the surface. 

It was just three weeks ago that the last noticible quake hit the area, a 3.2 magnitude shake near Clinton, where a series of quakes have been recorded since last September. 

Friday
Dec302011

Latest small quake in MT reported near Dixon

USGS map shows recent quake activity- red dot is Dixon quake(DIXON)- A small earthquake this morning shakes the lower part of the Flathead River Valley, measuring 2.3 magnitude.

KPAX TV reports the quake's epicenter was about five miles north, northwest of Dixon in Sanders County. 

The U.S. Geological Survey has received reports of people feeling the brief shake from Ronan to Arlee, St. Ignatius and other parts of the lower Mission Valley shortly after 9am.

The quake is another in an on-going series of smaller quakes reported in Western Montana in recent weeks. Two larger quakes were reported near Clinton and small quakes have also been recorded near Polson and Thompson Falls over the past month. Just this week a quake of 2.2 magnitude was recorded outside of Columbia Falls early Thursday morning with a 2.9 quake Christmas morning near East Glacier. 

 

Thursday
Aug252011

Clinton quake was a little stronger than we thought

(CLINTON)-  It turns out that small earthquake that rattled Clinton to start the week was larger, and deeper than the first readings indicated.

The quake that hit at 6:21 Monday morning was enough to wake people up, although it didn’t cause any damage. Initially, readings from the U.S. Geological Service had the quake at 2.4 magnitude and relatively shallow at 1.9-miles beneath the Earth’s surface.

But a compilation of all the readings now has the quake at 2.8 magnitude, and 4.3 miles deep. That may explain why more people noticed the shake, but even at that magnitude an earthquake can be mistaken for something else.

The quake was a little further away from Clinton, at 6-miles instead of 5, and just 6-miles southeast of Bonner.