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Creepycrawler
Is that big enough to create a taunami
The study links the tsunami to a known Jan. 8, 1817, earthquake. The temblor shook the East Coast from Virginia south to Georgia, where the seismic waves made the State House bell ring several times. Based on archival accounts of the 1817 shaking, geologists had gauged the quake's size at magnitude 4.8 to magnitude 6. Now, with new geologic detective work and computer modeling of the tsunami, researchers have considerably revised the earthquake's size. A magnitude-7.4 quake releases almost 8,000 times more energy than a magnitude-4.8 earthquake.
The foot-high tsunami wave started about 800 miles (1,300 kilometers) south of Delaware Bay and 400 to 500 miles (650 to 800 km) offshore of South Carolina, according to the study, published in the September/October issue of the journal Seismological Research Letters. That's smack on the northwestern limb of the so-called Bermuda Triangle.
East Coast tsunami risk
However, Hough's goal isn't to solve the mystery of the Bermuda Triangle, but rather to fill in the gaps in the East Coast's earthquake history. Before the new study of the 1817 earthquake, the only other big offshore temblor in recorded history was the 1929 Grand Banks quake, a magnitude-7.2 off the south coast of Newfoundland that unleashed a deadly tsunami.
"Grand Banks has been seen as an outlier or a fluke event," Hough said. "If our interpretation is correct, it points to a more distributed [seismic] hazard. Maybe we should expect this kind of earthquake all along the continental shelf."
Creepycrawler
Is that big enough to create a taunami
MariaLida
reply to post by MariaLida
We had a some stronger seismic activity, but think stronger activity and EQ's still to come soon in this month and time ahead ..
Probably some EQ or EQ's stronger of M 7.4 + somewhere at sensitive areas worldwide
2013-10-12 13:11:54.0 35.56 N 23.31 E 47 6.4 CRETE, GREECE
2013-10-12 02:10:29.0 10.86 N 62.37 W 75 6.0 OFFSHORE SUCRE, VENEZUELA
2013-10-11 23:05:36.0 40.91 N 124.73 W 10 5.0 OFFSHORE NORTHERN CALIFORNIA
2013-10-11 21:24:57.0 30.79 S 178.39 W 132 6.2 KERMADEC ISLANDS, NEW ZEALAND
Also EQ swarm today in S California, Salton sea area..
3.0 15km WSW of Niland, California 2013-10-14 14:39:20 UTC+02:00 0.9 km
3.6 15km WSW of Niland, California 2013-10-14 14:38:23 UTC+02:00 1.5 km
2.7 15km WSW of Niland, California 2013-10-14 14:38:17 UTC+02:00 2.1 km
2.6 16km WSW of Niland, California 2013-10-14 10:39:02 UTC+02:00 1.1 km
2.7 16km W of Niland, California 2013-10-14 10:38:34 UTC+02:00 0.0 km
2.9 15km WSW of Niland, California 2013-10-14 09:16:15 UTC+02:00 2.0 km
2.5 21km ESE of Salton City, California 2013-10-14 09:09:05 UTC+02:00 3.1 km
2.7 11km WSW of Niland, California 2013-10-14 09:07:42 UTC+02:00 6.3 km
3.0 15km WSW of Niland, California 2013-10-14 08:43:34 UTC+02:00 1.3 km
2.5 15km WSW of Niland, California
earthquake.usgs.gov...edit on 14-10-2013 by MariaLida because: (no reason given)
Thorneblood
reply to post by IandEye
The link you offered doesn't work, so it must be true.