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megimoo
10-30-2008, 04:37 PM
Iran may have tested a series of nuclear weapons underground. The Israel Insider reported:

Israel Insider exclusively reports that a seismic event this weekend in southern Iran may in fact have been a massive underground nuclear bomb test. According to the USGS, the tremor measuring 5.0 on the Richter scale took place Saturday night, October 25 just before midnight Iran time, with its epicenter at 26.70°N, 55.02°E, just north of the strategic straits of Hormuz, opposite Abu Dhabi.

The claim that the tremor was in fact a nuclear test came from an Iranian nuclear scientist who claims to be working in uranium enrichment for the project. A report published by Israel Insider on Friday, October 24 included a captionless map that portrayed the area of the seismic event that occurred the following night, based on location information previously provided by the Iranian source.

Israel Insider’s source reports that the test is in fact the second in a series. A 4.8 Richter scale event occurred on October 21 with an epicenter (26.70N, 54.96E) within 5 km (3 miles) of the October 25 tremor.

Israeli and foreign sources have long speculated that Iran has been in possession of ready nuclear bombs but would only begin testing them when a full production line for nuclear weapons is in place.

The source indicated that Iran is being assisted by China and North Korea. Israel Insider’s Iranian source reports that two “nuclear rockets” have been completed and are intended for use against the Jewish State in the coming months.

The site of the test and the development facility are believed to be in close proximity. The location appears to have been carefully selected. The area is exposed to significant seismic activity, which could serve to mask nuclear tests, although the recent spike in activity in that specific area significantly deviates from historical trends. A tremor measuring 6.2 struck the area on September 10, 2008 (its epicenter was 80km or 50 miles due west), the largest seismic event in the area in more than 33 years.

http://frontpage.americandaughter.com/?p=2125

LogansPapa
10-30-2008, 05:19 PM
Do natural seismic activities have the same frequency and duration on instrument readouts as nuclear weapons testing, or are they easily detectable and different?

MrsSmith
10-30-2008, 05:58 PM
Do natural seismic activities have the same frequency and duration on instrument readouts as nuclear weapons testing, or are they easily detectable and different?

Maybe...


SPECTRUM: What's the relationship between seismic readings and explosive yield of a nuclear detonation?

RICHARDS: Essentially, you look at the seismic magnitude of the signals. There are a number of different scales that are used for that purpose. One of the common ones is to look at the size of the P waves recorded at great distance and then, in practice, look at the largest amplitude of those P waves and work out what the ground motion at that distant station must have been, taking the logarithm of measured ground motion and making a correction for the distance. That is traditionally how the Richter body wave seismic magnitude is calculated from an observation, and it’s long been known that there’s a linear relationship between the magnitude and the logarithm of the yield in kilotons.

For example, for explosions conducted in hard rock the yield is a linear relationship for the magnitude against the logarithm of the yield. The relationship is slightly different for soft rock. There’s some scatter in the data points about a straight line fit, but that’s the type of relationship that’s long been used to get an approximation of the yield from a seismic signal.

SPECTRUM: Was your team able to make a conclusion about the physical explanation of the 9 October explosion and, if so, when?

RICHARDS: Well, we didn’t detect it with our own instruments, but we simply used data that other organizations had gathered, first of all to get information on the source of the event, and the U.S. Geological Survey did that work. But just a few hours after the event happened, we did our own work getting the data from the station operating in southeast China and drawing our own conclusions to identify the signals as indeed having come from an explosion. So we did that work ourselves, although it wasn’t done with our own instruments.

http://www.spectrum.ieee.org/nov06/4711/2

megimoo
10-30-2008, 08:06 PM
Iranian Nuke Scientist: Weekend Quake was a Nuclear Test

(IsraelNN.com) A weekend 5.0 Richter earthquake in Iran was actually a nuclear bomb test, says an Iranian nuclear scientist claiming to be working on the project.

The report is an Israel Insider exclusive.

This past Saturday night, southern Iran experienced what was reported as a significant earthquake - a seismic event measuring 5.0 on the Richter scale. Its epicenter was just north of the strategic Straits of Hormuz, which separates Iran from Abu Dhabi and Oman and which is the gateway to the Persian Gulf.

The report quotes an Iranian nuclear scientist who claims to be working in uranium enrichment for the project, and who said that the "quake" was acutally an undergound nuclear bomb test.

Israel Insider adds that the test/quake was actually the second in a series. Nine days ago, a 4.8 Richter scale event occurred, with its epicenter only five kilometers away from the weekend tremor.

The Israel Insider source reports that two nuclear rockets are currently ready - and are intended for use against Israel in the coming months.

If the report is correct, it would belie previous speculation that Iran would not begin nuclear testing until it had more nuclear-bomb production capability.

The geographical location of the test has several advantages. It is exposed to significant seismic activity, which could serve to mask nuclear tests; it is believed to be close to Iran's nuclear development facility; delivery and transport of material and personnel can be effected easily through the Hormuz Strait; and Iranian enemies would hesitate to bomb the area because that would threaten the flow of a substantial percentage of the world's oil.

Reuters reports Thursday morning that Iran has begun building a line of naval bases along its southern coast and up to the Straits of Hormuz.

http://www.israelnationalnews.com/News/News.aspx/128151

Nubs
10-30-2008, 08:35 PM
Do natural seismic activities have the same frequency and duration on instrument readouts as nuclear weapons testing, or are they easily detectable and different?


Siesmic activity and nuclear detonations have very different signitures. They are easily dicernable by differences in the S and P wave patterns. Also, the depth of the "activity" can be determined. If this event occured within 5,000 ft of the surface, it is highly probable it was a man made detonation and based on energy involved, it would have been nuclear. Even large quarry/mine detonations are sequenced in such a way as not to appear as a nuclear test.

There are many siesmologists that know what it was.

Analysis from University of Tehran saya lication was 20+ km below the surface.

megimoo
10-30-2008, 09:15 PM
Siesmic activity and nuclear detonations have very different signitures. They are easily dicernable by differences in the S and P wave patterns. Also, the depth of the "activity" can be determined. If this event occured within 5,000 ft of the surface, it is highly probable it was a man made detonation and based on energy involved, it would have been nuclear. Even large quarry/mine detonations are sequenced in such a way as not to appear as a nuclear test.

There are many siesmologists that know what it was.

Analysis from University of Tehran saya lication was 20+ km below the surface.

By using the simple 'Gun Type' warhead design and about a 10,000-20,000 ft. AirBurst IRAN can expect a yield similar to these if they launch at Tel Aviv !

What was the yield of the Hiroshima,Nagasaki bombs ?
Hiroshima 15 kt,15,000 tons. Nagasaki 21 kt ,21,000 tons .

The outside limits of uncertainties in these values are believed to be 20 percent for Hiroshima and 10 percent for Nagasaki. [In other words, the Hiroshima bomb has an outside range of 12-18 KT, and the Nagasaki bomb an outside range of 18.9-23.1 KT.]

Nagasaki - Fat Man Bomb
http://www.youtube.com/watch?v=2B5CYlizb9c&feature=related

Hiroshima- Little boy bomb
http://www.youtube.com/watch?v=K4O-zAL18hM&feature=related

Israeil's warheads are much larger and well into the 100 megaton range Or 100,000,000 tons !

noonwitch
10-31-2008, 08:18 AM
Even in an underground explosion, wouldn't there be a way to detect the radiation from a nuclear test?

I'm not a scientist and I can't do math, so maybe I'm just asking a stupid question.