It looks like you're using an Ad Blocker.
Please white-list or disable AboveTopSecret.com in your ad-blocking tool.
Some features of ATS will be disabled while you continue to use an ad-blocker.
That USG/EMSC 5.1 is mb
Peru have 4.8ML
25/03/2014 09:38:26 -17.80 -70.81 67 Km 4.8 ML III Tacna II Moquegua, Arequipa
5.1mb = 674 TTNT energy released
4.8ML = 239 TTNT energy released
435 TTNT difference, equal to another 4.97ML on top of the 4.8ML
That is why magnitude and type are important, and why all networks need to give the ML.
Mw seems to be the accepted standard after M6 because ML goes fuzzy, well OK, but these are borderline each side of M5
where is the ML???
What use is comparing Mw with mb and ML all in the same series
As I have only published one graph for the Chile series so far outside of ATS, I think I will go back and alter them to reflect this, ie all in ML, it will give a truer picture. This would bring the Mainshock in the offshore Tarapaca series up to 7.0ML (IRIS calculation) GUC didn't give an ML for that first one.edit on 03000000838314 by muzzy because: (no reason given)
Experts analyzing this flood of data are worried the increased seismic activity could be a sign the region is about to experience its first devastating quake in 137 years. The last event, a magnitude-8.5 quake in 1877, killed thousands of people and created a deadly tsunami that reached Hawaii and Japan.
"It is very unusual activity and we are trying to find out what is causing it," said Mario Pardo, deputy head of the seismology center at the University of Chile.
"We usually get around 10 earthquakes per day in this area [many of them very small], but now we have been getting up to 100 per day," he told NBC News via telephone from the country's capital Tuesday.
Pardo told NBC News that seismologists are particularly concerned about this cluster of quakes because press reports following the 1877 event said there was a similar "swarm" of tremors beforehand.
"This is already unusual," said Mario Pardo, a director at the University of Chile's seismic center, on Tuesday. "There are too many aftershocks to be only associated with the 6.7 quake."
I guess one of the reasons ATS members like yourself get onto stuff like this odd series of events so quickly and suggest things the official experts don't want to come out and say, is that you are not beholden to any govt's or organization's current policy on what may or may not be said.
"We usually get around 10 earthquakes per day in this area (many of them very small), but now we have been getting up to 100 per day," he told NBC News via telephone from the country's capital Tuesday."
M 4.9 - 38km SSE of Pucallpa, Peru
DYFI? - III
2014-03-27 18:59:12 UTC+01:00
M 5.5 - 63km SW of Vinchina, Argentina
PAGER - GREENShakeMap - VIIDYFI? - IV
2014-03-28 00:50:52 UTC+01:00
M 5.4 - 72km SW of Vinchina, Argentina
DYFI? - I
2014-03-28 01:10:37 UTC+01:00
reply to post by TrueAmerican
Thanks for your response. I didn't refer to USGS or in any way target them, but all the same I'm glad to hear that they can be free and open without any official policies restricting them. I just have my doubts that the freedoms USGS staff enjoy exist everywhere. Frankly I was more concerned with what the situation may be in the Sth American region we're looking at, as it's the focus of this thread.
But whatever. I was just giving my opinion. No-one is obliged to agree with me. However, I try to avoid posting idiocies in serious threads like this one and also prefer to avoid paranoia, so I hope my own comments didn't fall into those categories or the other negative ones you noted.
What bugs me is if a megathrust quake should occur in this thread's region of interest, either in the very near future or somewhere further down the line, we will doubtless see threads (here and on other sites) where the OP will claim the huge quake was caused by HAARP or a secret nuclear blast -- or some other half-baked "theory". Now, that's idiocy at its finest, and the disturbing thing is that not only do those absurd "causes" for huge quakes have their followers, they often seem impervious to all attempts to make them see reason.
As time goes on, the more this looks like a classic Mainshock and Aftershock series.........