Ryzyko trzęsienia ziemi w Kalifornii?

sdsw · Dołączył: 16 Mar 2008 Posty: 60 Post zebrał 0 sat Podarowałeś sat

Mialem to samo - od 4 do 6 nie moglem spac, obudzilem sie strasznie wkurzony... dziwna sprawa...

killuminati

Hehehe, też nie mogłem spać. Właśnie się dowiedziałem, że i moja siostra także miała nieprzespaną noc.

wtf?

Kacper

No to ja wam ostudzę emocje, bo ja spałem tej nocy jak zabity (za to w poprzednią noc nie mogłem spać, bo było mi strasznie gorąco), ale to niczego nie zmienia - dzisiaj spałem Smile

I jestem z siebie dumny, bo cierpię na tzw "bezsenność" (bo sny mam, ale spać nie mogę Smile

).

killuminati

Cytat:

No to ja wam ostudzę emocje, bo ja spałem tej nocy jak zabity

Lepiej sie przyznaj ile butelek żeś wypił Laughing

Kacper

wystarczyło, że w poprzednią noc nie spałem, potem do roboty, a potem o 20:00 do wyra i sen murowany Smile

mikke28

A mnie zastanawia epicentrum trzęsienia ziemi.Między Malmo a Ystad 4.7-5.3 , takie trzęsienie w miejscu gdzie nie ma płyt tektonicznych?? Jak dla mnie to ktoś majstrował coś u wybrzeża Szwecji, albo jakieś próby(jądrowe?) albo może jakaś łódź podwodna z silnym ładunkiem wywaliła, albo jakieś testy ? Zauważcie jak są położone płyty tektoniczne.....

Co o tym sądzicie? Do tego dochodzi wieczorny "dziwny księżyc" i to co pisałem w poprzednich postach.

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http://dlaczegotakjest.blogspot.com

rEvolution

szczegóły eventu:

http://hisz.rsoe.hu/alertmap/seism_read.php?rid=138725&lang=eng

chociaż to nie California.

mikke28

Mi te szczególny wiele nie mówią. Czy naprawdę nie jest dla was dziwne to że w miejscu dalekim od płyt(można powiedzieć na środku płyty) następuje tak silne trzęsienie ziemi. Ja bywam często w Szwecji i znam świetnie ten rejon. W Karlskronie jest duży port wojenny, jak się płynie na wyspę Aspo widać doskonale na wysepkach radary, i statki wojenne, maszynki jak z kosmosu, pomalowane tak że ciężko chwilami odróżnić je od wody.Cały ten region łacznie z Ystad, Trelleborgiem , Malme, to rejony obrony sił morskich Szwecji. Być może Szwecja coś testuje, sam nie wiem.Jedno jest pewne tam przez dziesiątki lat żadnych trzęsień nie było, a takie wartości wstrząsów to raczej spotykane są na granicy płyt tektonicznych.

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http://dlaczegotakjest.blogspot.com

DarkTech

HAARP?
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Prawda nieraz jest bardzo trudna do ustalenia, ale nigdy nie jest tak niedostępna jak wówczas kiedy jest niewygodna.

Loko

Cytat:

Sejsmolodzy z U.S. Geological Survey (USGS) zarejestrowali silne trzęsienie ziemi w odległości 90 mil od zachodniego wybrzeża Japonii.
Jak podaje CNN, wstrząsy miały siłę 6,5 w skali Richtera, ale nie spowodowały poważnych zniszczeń.

Hipocentrum trzęsienia zostało zlokalizowane na głębokości 6.2 mil pod ziemią i 105 mil na wschód od Mito, na jednej z głównych japońskich wysp Honsiu. Tokio znajduje się na południowy zachód od miejsca, gdzie miało miejsce trzęsienie.

http://wiadomosci.onet.pl/1884764,441,item.html

http://earthquake.usgs.gov/eqcenter/recenteqsww/Quakes/us2008avan.php
Może im się ten miernik Depth popsuł. Znowu 10km

Prrivan

Przez ostatnie kilka dni Kalifornia jest bardzo niespokojna sejsmicznie,rosną obawy że są to pierwsze objawy nadchodzącego wielkiego trzęsienia

http://www.latimes.com/news/local/la-me-.....5730.story

Cytat:

4.8 quake rattles Salton Sea area
No damage is reported, but seismologists are watching the area closely because a large jolt on the San Andreas fault could set off a major earthquake.
By Ruben Vives
March 25, 2009
Another moderate earthquake struck Tuesday near the San Andreas fault in Imperial County, seismologists said.

The magnitude 4.8 quake hit at 4:55 a.m. two miles south of Bombay Beach on the eastern shore of the Salton Sea, according to the U.S. Geological Survey website.

The quake occurred at a depth of 3.5 miles.

"The only interesting thing about this one is that it occurred at the end of the San Andreas fault," said Kate Hutton, a seismologist at Caltech. "Bombay Beach is considered the southern end of the San Andreas fault. The last swarm of earthquakes similar to this was in 2001. We're watching it closely. We'll be analyzing everything."

There have been at least 23 aftershocks, the largest a 3.1, which struck at 6:52 a.m. in the same area, Hutton said. No damage was reported in the thinly populated area.

Over the weekend, the Salton Sea was struck by 42 smaller quakes during a 48-hour period beginning Saturday morning and tapering off early Monday.

Scientist have been keeping a close watch on the region because they believe an earthquake there could set off fault movements leading to a major earthquake that would devastate Los Angeles.

Prrivan

Rejon jeziora Salton:200 trzęsień ziemi od soboty.

http://www.latimes.com/news/local/la-me-quake-swarm26-2009mar26,0,2661746.story

Cytat:

Salton Sea is swarming with earthquake data

As seismologists sharpen their focus on the desert region, which has had more than 200 temblors since Saturday, they're learning more about how quakes in one area can affect activity on nearby faults.

By Jia-Rui Chong
9:50 PM PDT, March 25, 2009

It's one of the great mysteries of Southern California seismology: Every couple of years, the remote desert area around the Salton Sea is shaken by swarms of small to moderate earthquakes that often last several days.

The swarms returned this week, with the area recording more than 200 temblors since Saturday -- including several that were felt Wednesday. But this time, scientists had sophisticated instruments in the ground to record the activity, helping them to better understand the swarms and how they can affect seismic risk elsewhere.

Scientists have noticed that the quakes appear to have a pattern, moving southeast as the days progress. But a bigger question remains: Can the quakes trigger larger -- and potentially more destructive -- quakes along the San Andreas fault, which terminates at the shore of the Salton Sea?

A creep meter on the San Andreas just north of the Salton Sea area, operated by the University of Colorado, found a 0.002-inch slip on the fault right after the largest earthquake in the swarm -- a magnitude 4.8 on Tuesday.

Experts say that's a tiny slip for a fault so large, but the novelty of having that kind of data is tantalizing for scientists.

"If you look at the statistics, they say the odds of something bigger happening is on the order of 1%," said Susan Hough of the U.S. Geological Survey in Pasadena. "It raises your blood pressure as a seismologist, but we're trying to read the tea leaves."

Seismologists have long suspected that quakes in the Salton Sea area can trigger movement on other nearby faults, including the San Andreas. The strongest evidence of this occurred in 1987, when a magnitude 6.2 earthquake near the Salton Sea triggered a magnitude 6.6 quake 12 hours later on the Superstition Hills fault to the south.

Experts are still trying to figure out why the hard-scrabble landscape of desert expanse and small struggling towns around the sea is so seismically active.

The sea sits atop a very thin crust that is being constantly stretched as the North American and Pacific plates grind against each other. The area is also veined by dozens of fault lines that run parallel to and criss-cross one another.

The area experienced regular quake swarms until 1979, when a large temblor just south of the U.S.-Mexico border seemed to curb activity, said Doug Given, a U.S. Geological Survey scientist.

But this quiet period appears to have ended.

"Over the last few years, we seem to be returning to a more normal pattern of swarms," he said.

Because the area is sparsely populated, it hasn't traditionally gotten much attention from quake safety experts. But that's changed in recent years as researchers have come to better understand how overdue the area is for a major rupture on the southern San Andreas fault and how earthquakes on one fault can trigger earthquakes on another.

In recent years, scientists have added many seismometers and other instruments to the area, said Duncan Agnew, a professor of geophysics at UC San Diego.

"There had been other things to do, like understand earthquakes in Los Angeles," Agnew said. "This is the next thing on the list."

The more detailed mapping now available shows this week's swarm of earthquakes drifting about two miles southeast in three days, suggesting that a flow of hot materials under the crust could be sparking some of these swarms, said Debi Kilb, a UCSD seismologist.

Scientists believe that because of the thinness of the crust, hotter material can get closer to the surface and cause temblors. Regular seismic activity in the Mammoth Lakes area is believed to occur for the same reason, Kilb said.

"We've always thought that swarms have something to do with fluid migration," Kilb said. "But we didn't have a way to prove that. Now we have an amazing data set."

Scientists aren't sure what the swarms add up to or what the drift means. Stress may be relieved on some faults, but build up on others.

"Clearly [this week's swarm] wasn't sufficient" to trigger an event on the San Andreas, Given said. "Does it mean that a San Andreas event will happen sooner? We don't know."

Prrivan

6,9 na Półwyspie Kalifornijskim w meksykańskiej jego części...

http://www.alertnet.org/thenews/newsdesk/N03528903.htm

Cytat:

Strong earthquake hits off northwest Mexico
03 Aug 2009 19:03:15 GMT
Source: Reuters
(Adds detail, changes dateline, pvs WASHINGTON)

TIJUANA, Mexico, Aug 3 (Reuters) - A strong 6.9-magnitude earthquake struck off Baja California in northwestern Mexico on Monday, shaking buildings as far away as San Diego, California, and raising fears of a small tsunami.

The U.S. Geological Survey said the quake struck inside the Sea of Cortez, 76 miles (122 km) from the town of Santa Isabel on the Baja California peninsula and was 6.2 miles (10 km) deep. The figures were revised from its initial estimates.

There were no initial reports of deaths or serious damage. Baja California, home to desert and mountains, is sparsely populated.

The quake was felt strongly in San Diego just across the border from Mexico and City Hall was evacuated, local media said.

"It felt very calm, there was barely a vibration," said hotel receptionist Graciela Alvarado at a motel in the town of Caborca, in the Mexican state of Sonora, across from Baja California.

Local authorities and the USGS warned there was a risk of a small, localized tsunami in the area but no official tsunami warning for the main Pacific coastline.

"There's a very high risk this could occur," said Baja California emergency services director Alfredo Escobedo.

The area attracts U.S. tourists. (Reporting by Lizbeth Diaz in Tijuana and Cyntia Barrera in Mexico City)

Goniec Króla

Trzęsienie ziemi w jakimś zakątku. Zdjęcia ratowników wyciągających kilkuletniego chłopca spod masy gruzu.
Przeleżał tam bez wody i jedzenia s-i-e-d-e-m- d n i.
Przeżył jako jedyny ze swej rodziny. Komentator - z powagą, nazywa go DZIECKIEM SZCZĘŚCIA. Oniemiałem. Coś tu nie gra, myślę sobie.
To właśnie cechuje dziennikarzy: nie potrafią spojrzeć na sprawę z szerszej perspektywy.
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