Tracking the next pandemic: Avian Flu Talk |
motors behind earthquakes |
Post Reply |
Author | |
Dutch Josh
Adviser Group Joined: May 01 2013 Location: Arnhem-Netherla Status: Offline Points: 95377 |
Post Options
Thanks(0)
Posted: May 23 2015 at 2:11am |
http://www.princeton.edu/main/news/archive/S43/04/11E77/index.xml?section=topstories
During the past decade, Antarctica's massive ice sheet lost twice the amount of ice in its western portion compared with what it accumulated in the east, according to Princeton University researchers who came to one overall conclusion — the southern continent's ice cap is melting ever faster. The researchers "weighed" Antarctica's ice sheet using gravitational satellite data and found that from 2003 to 2014, the ice sheet lost 92 billion tons of ice per year, the researchers report in the journal Earth and Planetary Science Letters. If stacked on the island of Manhattan, that amount of ice would be more than a mile high — more than five times the height of the Empire State Building. |
|
We cannot solve our problems with the same thinking we used when we created them.
~Albert Einstein |
|
Dutch Josh
Adviser Group Joined: May 01 2013 Location: Arnhem-Netherla Status: Offline Points: 95377 |
Post Options
Thanks(0)
|
http://www.zerohedge.com/news/2015-02-21/usgs-confirms-oklahoma-quakes-are-due-fracking
The debate about the cause of the exponential rise in the frequency of earthquakes in Oklahoma has really heated up in the last year, but as KFOR4 reports, The United States Geological Survey (USGS) appears to have put any doubt firmly to rest. In a strongly-worded press release, the USGS states, "...Large areas of the United States that used to experience few or no earthquakes have, in recent years, experienced a remarkable increase in earthquake activity.. This rise in seismic activity, especially in the central United States, is not the result of natural processes... Instead, the increased seismicity is due to fluid injection associated with new technologies that enable the extraction of oil and gas from previously unproductive reservoirs." For some, that could end the debate; but Kim Hatfield, with the Oklahoma Independent Petroleum Association, is not so sure, "I don’t think it’s particularly helpful because basically, it says we’ve come to a conclusion, but we don’t have the science to back it up."
|
|
We cannot solve our problems with the same thinking we used when we created them.
~Albert Einstein |
|
Dutch Josh
Adviser Group Joined: May 01 2013 Location: Arnhem-Netherla Status: Offline Points: 95377 |
Post Options
Thanks(0)
|
http://www.iflscience.com/environment/report-warns-human-induced-earthquakes
A report on United States earthquake risk areas reveals what seismologists have gradually come to suspect: The interior states are now more likely to experience earth tremors than the famously quake-prone cities of the West Coast. Most of the time, human activity is to blame, but the question remains—how much damage can human-induced earthquakes do? The U.S. Geological Survey (USGS) has for the first time attempted to estimate the scale of earth movement that human activities generate. It acknowledges that oil and gas drilling operations are setting off thousands of earthquakes. So far, however, these have done little damage, often being too small to even detect without sensitive equipment. However, the USGS warns that there is a danger of human-induced quakes with magnitudes as large as 7, the size of the 1989 disaster that killed 63 San Franciscans and did more than $5 billion dollars in damage. Oklahoma, a fracking center, has seen magnitude 3 and larger earthquakes increase from1.5 a year to 2.5 a day, and the increase shows no sign of slackening. |
|
We cannot solve our problems with the same thinking we used when we created them.
~Albert Einstein |
|
Dutch Josh
Adviser Group Joined: May 01 2013 Location: Arnhem-Netherla Status: Offline Points: 95377 |
Post Options
Thanks(0)
|
https://www.rsmas.miami.edu/news-events/press-releases/2011/research-study-show-link-between-earthquakes-and-tropical-cyclones
SAN FRANCISCO — Dec. 8, 2011 — A groundbreaking study led by University of Miami (UM) scientist Shimon Wdowinski shows that earthquakes, including the recent 2010 temblors in Haiti and Taiwan, may be triggered by tropical cyclones (hurricanes and typhoons). Wdowinski will discuss his findings during a presentation at the 2011 AGU Fall Meeting in San Francisco. “Very wet rain events are the trigger,” said Wdowinski, associate research professor of marine geology and geophysics at the UM Rosenstiel School of Marine and Atmospheric Science. “The heavy rain induces thousands of landslides and severe erosion, which removes ground material from the Earth’s surface, releasing the stress load and encouraging movement along faults.” Wdowinski and a colleague from Florida International University analyzed data from quakes magnitude-6 and above in Taiwan and Haiti and found a strong temporal relationship between the two natural hazards, where large earthquakes occurred within four years after a very wet tropical cyclone season. |
|
We cannot solve our problems with the same thinking we used when we created them.
~Albert Einstein |
|
Dutch Josh
Adviser Group Joined: May 01 2013 Location: Arnhem-Netherla Status: Offline Points: 95377 |
Post Options
Thanks(0)
|
Climate change, melting of (land)ice-thereby redistrubuting pressure (by water from molten ice and less ice-pressure on the earth), melting of permanent frozen landmass (perma-frost), severe landslides (due to climate change causing storms and flooding) and fracking are human-related causes of earthquakes.
Earthquakes cause other earthquakes, volcanic eruption is relaese of pressure influencing earthquakes. The "official" story:http://en.wikipedia.org/wiki/Earthquake
|
|
We cannot solve our problems with the same thinking we used when we created them.
~Albert Einstein |
|
Dutch Josh
Adviser Group Joined: May 01 2013 Location: Arnhem-Netherla Status: Offline Points: 95377 |
Post Options
Thanks(0)
|
http://www.adn.com/article/20150124/tides-suggest-where-big-earthquakes-may-strike
A scientist once noticed a connection between the stress that tides inflict on the planet and the number of small earthquakes that happen in some areas when that pressure is greatest. She saw a pattern to these earthquakes leading up to great tsunamis. A graduate student is now looking for a similar signal in Alaska. Yen Joe Tan of Columbia University is combing through a database of offshore Alaska earthquakes to see if there is any link between the number of small earthquakes triggered by tides and great earthquakes that send tsunamis racing thousands of miles. How might tides cause earthquakes? At high tide, more water piles on top of geological faults, adding to the stress already there. If the fault is close to slipping, tides can trigger small tremors. Solid ground also responds to the gravitational pulls of the moon and sun. Joe Tan is looking at the combined effects of ocean and Earth tides. A Japanese researcher has studied the relationship between tides and earthquakes. Sachiko Tanaka of the National Research Institute for Earth Science and Disaster Prevention in Tsukuba, Japan, found that tidally triggered earthquakes were common off the northeast coast of Japan several years before the magnitude-9 earthquake that triggered the tsunami in 2011. She found similar results when she went back and looked at data from around Sumatra before the 2004 tsunami. "A small nudge by tidal stress can push it over the limit," Joe Tan said. Using records of past earthquakes, Joe Tan wants to see if any parts of the Aleutian Arc are giving the same signals. Though his data is much more sparse than that available to Tanaka, he has seen three areas that seem to increase in seismicity when tidal forces are high. Those zones are southeast of Kodiak, south of Tanaga in the central Aleutians and south of Buldir in the western Aleutians. "They might be critically stressed," he said of these areas. The potential for a giant earthquake along the sweep of the Aleutians is no secret. When U.S. Geological Survey scientists and others last year imagined an earthquake/tsunami scenario that would affect millions on the anniversary of the 1964 Good Friday earthquake, they chose a fictional magnitude-9.1 epicentered just south of Sand Point. The Alaska effects would be terrifying and deadly, and researchers estimated the resulting tsunami would inundate the ports of Los Angeles and Long Beach, crippling a supply system we all depend upon. Joe Tan hopes to see if his approach of using statistics could be useful in improving forecasting earthquakes in great subduction zones, such as the one where southern Alaska meets the sea. Ned Rozell is a science writer with the University of Alaska Fairbanks Geophysical Institute. Used with permission. |
|
We cannot solve our problems with the same thinking we used when we created them.
~Albert Einstein |
|
Post Reply | |
Tweet
|
Forum Jump | Forum Permissions You cannot post new topics in this forum You cannot reply to topics in this forum You cannot delete your posts in this forum You cannot edit your posts in this forum You cannot create polls in this forum You can vote in polls in this forum |