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EDIT: Right now I'm concerned about Bolivia. Just saying. (Gut feeling. That's all.)
edit on 17/11/11 by JustMike because: Fixed link and mentioned Bolivia
Originally posted by JustMike
reply to post by PuterMan
Now thinking out loud: were there any large events down on the relatively nearby coastal subduction zone regions within (say) a few days to maybe a couple of weeks of those deep quakes?
That is one big quake. And the biggest sub-300km quake ever recorded.
It is also the largest earthquake ever recorded with a focal depth greater than 300 km
Maybe it's from a parallel universe they deserve a chance to know of our brothers from other peaceful worlds(Orson Welles)
Originally posted by PuterMan
reply to post by diamondsmith
What is this?
It is nothing. That site is very similar to the EMSC site and is very error prone, as we discussed before.
You can pretty much guarantee that the data is an erroneous pick of the Bolivia quake.
Date, Lat, Lon, Mag, Mag Type, Depth, Location
1903-01-04, -20.0, -175.0, 8.0, UK, 400.0, Tonga Islands, Tonga
1906-01-21, 34.0, 137.0, 7.70, mB, 350.0, Japan - Daini Atsumi Knoll
1909-02-22, -18.0, -179.0, 7.60, mB, 550.0, Salia, Fiji
1954-03-29, 37.032, -3.513, 7.90, M, 627.30, Dúrcal, Spain
1963-08-15, -13.742, -69.332, 7.70, Mw, 552.10, Provincia de Sandia, Peru
1963-11-09, -9.017, -71.601, 7.70, Mw, 585.60, Seringal São Francisco, Brazil
1970-07-31, -1.486, -72.563, 8.0, M, 644.60, Sacanía, Colombia
1972-06-11, 3.864, 124.234, 7.80, Mw, 330.70, Celebes Sea
1973-09-29, 41.907, 130.975, 7.80, Mw, 569.60, Mys Sesura, Russia
1994-03-09, -17.950, -178.417, 7.60, Mw, 563.0, Bacon Island, Fiji
1994-06-09, -13.856, -67.489, 8.20, M, 631.0, Quebrada Tareni, Bolivia
1996-06-17, -7.122, 122.536, 7.90, Mw, 589.70, Pulau Kakabia, Indonesia
Originally posted by JustMike
reply to post by muzzy
What I meant was that in repect of the historical list of larger, very deep quakes, were there major events in the stated subduction regions in the days to couple of weeks following them? (Not necessarily the very rare mag 8 or bigger, but say in the mag 7 range.)
Originally posted by TrueAmerican
Hmm, just received a quake in GEE at Yellowstone... Lake area, or close to there.
Waiting on USGS. Again.
Nothing major, 3.0 or less probably...edit on Tue Nov 22nd 2011 by TrueAmerican because: (no reason given)
event has been reviewed by a seismologist.
Tuesday, November 22, 2011 at 18:09:41 UTC
Tuesday, November 22, 2011 at 11:09:41 AM at epicenter
Time of Earthquake in other Time Zones
4.2 km (2.6 miles)
YELLOWSTONE NATIONAL PARK, WYOMING
25 km (15 miles) SSE (156°) from West Yellowstone, MT
29 km (18 miles) E (99°) from Island Park, ID
47 km (29 miles) NE (35°) from Warm River, ID
419 km (260 miles) N (10°) from Salt Lake City, UT
horizontal +/- 0.4 km (0.2 miles); depth +/- 1.5 km (0.9 miles)
Nph= 29, Dmin=11.2 km, Rmss=0.17 sec, Gp= 90°,
M-type=local magnitude (ML), Version=1
University of Utah Seismograph Stations
Date-Time Tuesday, November 22, 2011 at 14:20:02 UTC Tuesday, November 22, 2011 at 07:20:02AM at epicenter Time of Earthquakein otherTimeZones
Location 36.985°N, 104.952°W
Depth 5 km (3.1 miles) set by location program
Region NEW MEXICO
Distances 45 km (27 miles) WSW of Trinidad, Colorado 46 km (28 miles) WNW of Raton, New Mexico 73 km (45 miles) SSW of Walsenburg, Colorado 170 km (105 miles) NNE of SANTA FE, New Mexico
Location Uncertainty horizontal+/- 6.6km (4.1miles);depth fixed by location program
Parameters NST= 16, Nph= 16, Dmin=263.9 km, Rmss=0.93 sec, Gp= 61°, M-type=local magnitude (ML), Version=A
Source USGSNEIC (WDCS-D)
Event ID us2011tpaq
TextEarthquakes associated with a collision boundary define shallow, broad zones of seismic activity that form in complex fault systems along the suture zone. Earthquake patterns in subduction zones are more complex. As the oceanic crust begins to descend, it begins to break into blocks because of tension stress. Shallow earthquakes in the upper part of the subduction zone are a result of shallow-angle thrust faults, in which slices of plates slide like cards in a deck that is being shuffled. Earthquakes also periodically occur as the plate continues to subduct up to a depth of about 670 kilometers (400 miles). First-motion studies of these earthquakes suggest they result from both compressional and tensional forces on the subducting plate.
TextChile's Puyehue volcano: Ash halts flights in Uruguay and Argentina - 22nd Nov 2011 Flights were cancelled for several hours in Uruguay and Argentina Tuesday due to volcanic ash from the four-month-long eruption of the Puyehue volcano in Chile, airport authorities said. Laura Vanoli, Uruguay's chief aeronautic meteorologist, said the country was almost entirely covered by an ash cloud. "It's remnants of ash," she said, adding that there will be a risk of disruption as long as the volcano remains active.