New Madrid

Science / Earthquakes
3:09 pm
Tue February 21, 2012

A second earthquake of the day occurs in southeastern Missouri

A map highlighting the two separate earthquakes that occurred today in southeast Missouri. The two incidences are represented by the two blue squares on the map.
(USGS website)

The U.S. Geological Survey is reporting that, in addition to the 4.0 magnitude earthquake centered near East Prairie, Mo. early this morning, a second, smaller earthquake originated today near the same location in the New Madrid Seismic Zone

The second earthquake happened around 11:05 a.m.

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Emergency Preparedness - Earthquakes
5:51 pm
Tue February 7, 2012

Central U.S. marks 200th anniversary of New Madrid quakes with earthquake drill

A U.S. Geological Survey map of the United States showing zones of seismic hazard.
(USGS)

The Great Central U.S. ShakeOut is an annual event intended to raise awareness about what to do in the event of a major earthquake.

Steve Besemer of the Missouri Emergency Management Agency says in Missouri and Illinois, more than 900,000 people, most of them students, participated in today's drill.

He says if an earthquake hits, there are three simple steps people should follow.

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Earthquakes - New Madrid
4:00 pm
Thu December 15, 2011

200 years after the New Madrid earthquakes, the legends live on

Caption: This photo, taken in Blytheville, Missouri, in 1904, shows sand blows (lighter patches) resulting from the New Madrid earthquakes.
(M.L. Fuller, image 137/USGS)

Friday, Dec. 16, marks the 200th anniversary of the first of the New Madrid earthquakes, a series of large tremors centered in northeastern Arkansas and southeastern Missouri.

The earthquakes of 1811 and 1812 were so big, legend has it, they made the Mississippi River run backwards.

Seismologist Susan Hough of the U.S. Geological Survey in Pasadena, Calif., says that’s actually true – at least where the fault crosses underneath the river channel.

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New Madrid Fault / Earthquakes
4:37 am
Sat August 27, 2011

At New Madrid fault, shaky guesses on next quake

The New Madrid earthquakes broke up rock like this section of rock face, which was later filled with sand. This photo, from Mississippi County, Mo., was taken in 1904.
M.L. Fuller (Image 336) USGS

Originally published on Sat August 27, 2011 9:53 am

The magnitude-5.8 earthquake that rattled the eastern U.S. on Tuesday took everyone — even geologists — by surprise. But even when there are reasons to think an earthquake could be around the corner, scientists still can't make good predictions.

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Emergency Preparedness - Earthquakes
5:28 pm
Thu May 19, 2011

Missouri participates in national earthquake drill

USGS 2008 earthquake hazard map showing a high risk zone along the new Madrid fault (PGA, 2% in 50 years).
(U.S. Geological Survey)

The Federal Emergency Management Agency is holding drills across six states this week to see how prepared they are for a major earthquake along the New Madrid fault.

FEMA is teaming up with the military, as well as local hospitals, shelters and morgues for the simulation.

Beth Freeman is the FEMA regional administrator for Missouri and several neighboring states.

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Great ShakeOut
4:39 pm
Thu April 28, 2011

SLPS students use Great ShakeOut to practice earthquake preparedness

Education secretary Arne Duncan, Gov. Jay Nixon, Homeland Security secretary Janet Napolitano and Congressman Russ Carnahan watch students at Carnahan High School participate in the "Great ShakeOut" earthquake drill.
(UPI/Bill Greenblatt)

Students at Carnahan High School of the Future in south St. Louis were front and center today in a national earthquake preparedness drill.

Governor Jay Nixon, Congressman Russ Carnahan, and two members of President Obama's cabinet - education secretary Arne Duncan and Homeland Security chief Janet Napolitano - watched as the 19 students in Lucy Duffey's class dropped to the ground, covered their heads, and held onto tables in the library.

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Earthquakes & St. Louis Region
4:38 pm
Fri February 11, 2011

Threat of earthquakes to St. Louis region "real," says FEMA's Fugate

A woodcut depicting damage from the New Madrid series of earthquakes in 1811 and 1812. FEMA Administrator Craig Fugate says the threat of earthquakes on the New Madrid fault remain. (Via Wikimedia Commons)

Some scientists say risks of another major earthquake from the New Madrid fault are minimal.

But FEMA Administrator Craig Fugate insists the threat to the St. Louis region is real.

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from St. Louis on the Air
8:48 am
Thu February 10, 2011

200 years later, what's shaking in the New Madrid Seismic Zone?

a portion of Geologic Investigations Map I-2812 (US Geological Survey) / Wheeler R.L.

Tomorrow marks the St. Louis kickoff of the bicentennial events commemorating the earthquakes that struck the New Madrid Seismic Zone in 1811-12.  You’ve probably heard stories about those quakes: that church bells rang in Boston, that the Mississippi River ran backwards. Much of that, it turns out, is legend.  So what do we know about the New Madrid fault and the risk it poses to the modern Midwest?

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