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br0ker
reply to post by Conspiracyskeptic
Ice caps are melting fast! Trillions upon trillions of tonnes of weight is shifting. The plates are bound to move. You will see earthquakes more frequent and bigger. You will also see vulcanoes going off, climate change with more superweather.. Etc etc
aLLeKs
I am pretty sure if muzzy, puterman or trueamerican will see this thread, they will post their evidence, that there are not more earthquake this year than last year.
It just appears to you that it is more, because we did not have a 7+ for a too long time and this stress gets released now.
This can happen.
Date, Lat, Lon, Mag, Depth, Location
1977-04-20T23:13:10.400Z, -9.828, 160.323, 6.7 Ms, 33.0, Solomon Islands
1977-04-20T23:42:50.500Z, -9.890, 160.348, 7.5 Ms, 19.0, Solomon Islands
1977-04-20T23:49:13.100Z, -9.844, 160.822, 7.5 Ms, 33.0, Solomon Islands
1977-04-21T00:02:49.000Z, -9.673, 160.132, 6.1 Mb, 33.0, Solomon Islands
1977-04-21T04:24:09.600Z, -9.965, 160.731, 7.5 Ms, 33.0, Solomon Islands
1977-04-21T07:18:51.100Z, -10.245, 160.728, 6.0 Ms, 33.0, Solomon Islands
1977-04-22T03:11:00.200Z, -10.168, 160.657, 6.0 Ms, 51.0, Solomon Islands
Date, Lat, Lon, Mag, Depth, Location
1978-11-04T22:29:22.100Z, -11.230, 162.176, 6.9 Ms, 33.0, Solomon Islands
1978-11-04T22:51:54.600Z, -11.178, 162.085, 6.0 Ms, 33.0, Solomon Islands
1978-11-05T22:02:07.100Z, -11.132, 162.136, 7.1 Ms, 33.0, Solomon Islands
1978-11-07T17:33:59.500Z, -10.996, 162.221, 6.1 Ms, 33.0, Solomon Islands
br0ker
reply to post by Conspiracyskeptic
Ice caps are melting fast! Trillions upon trillions of tonnes of weight is shifting. The plates are bound to move. You will see earthquakes more frequent and bigger. You will also see vulcanoes going off, climate change with more superweather.. Etc etc
Happy1
reply to post by violet
I wonder what it must be like to live in the Soloman Islands? The pictures look beautiful.
The above link merely provides a nice graph to express the numbers.
www.earth.webecs.co.uk...
However, this trend needs to be understood in relation to the increase in seismographs. Certainly, in the last 25 years, more lower intensity earthquakes have been noticed because of a general increase in the number of seismograph stations across the world and improved global communications. This increase has helped seismological centres to locate many small earthquakes which were undetected in earlier decades. Therefore, an upward trend is not unexpected in the graph, although the rise in the number of large earthquakes will be of more significance to our assessment of the trend.
PlanetXisHERE
br0ker
reply to post by Conspiracyskeptic
Ice caps are melting fast! Trillions upon trillions of tonnes of weight is shifting. The plates are bound to move. You will see earthquakes more frequent and bigger. You will also see vulcanoes going off, climate change with more superweather.. Etc etc
This has no basis in science, think about it. We have only heard about much melting of ice in the Arctic, and what is Arctic ice on top of? Water. There has been some melting on Greenland but not enough to affect tectonic plates, and there has been little melting in the Antarctic where the largest ice cap in the world is.
The have been many more large earthquakes over the past decade or so starting with the Indonesian one in 2004, but the are not due to melting ice.
Does the rise in earthquakes have anything to do with the rise in other phenomenon like the rise in fireballs, sinkholes, strange trumpet noises..........
We have analyzed records of these sounds and found that most of their spectrum lies within the infrasound range, i.e. is not audible to humans. What people hear is only a small fraction of the actual power of these sounds. They are low-frequency acoustic emissions in the range between 20 and 100 Hz modulated by ultra-low infrasonic waves from 0.1 to 15 Hz. In geophysics, they are called acoustic-gravity waves; they are formed in the upper atmosphere, at the atmosphere-ionosphere boundary in particular. There can be quite a lot of causes why those waves are generated: earthquakes, volcanic eruptions, hurricanes, storms, tsunamis, etc. However, the scale of the observed humming sound in terms of both the area covered and its power far exceeds those that can be generated by the above-mentioned phenomena.
Phage
reply to post by FriedBabelBroccoli
The above link merely provides a nice graph to express the numbers.
From your source:
www.earth.webecs.co.uk...
However, this trend needs to be understood in relation to the increase in seismographs. Certainly, in the last 25 years, more lower intensity earthquakes have been noticed because of a general increase in the number of seismograph stations across the world and improved global communications. This increase has helped seismological centres to locate many small earthquakes which were undetected in earlier decades. Therefore, an upward trend is not unexpected in the graph, although the rise in the number of large earthquakes will be of more significance to our assessment of the trend.
So has there been an increase in large earthquakes? Here is a chart of earthquakes greater than 6.9, 1900-2013.
There seems to be a slight downward trend.
Data Source
edit on 4/13/2014 by Phage because: (no reason given)
-OP
Why are all these earthquakes happening recently?
Really not sure what your point is, care to expand?
Phage
reply to post by FriedBabelBroccoli
Really not sure what your point is, care to expand?
My point is that the data does not really show an upward trend.edit on 4/14/2014 by Phage because: (no reason given)
The Centennial Catalog (Engdahl and Villaseñor, 2002) (2.75MB PDF) is a global catalog of locations and magnitudes of instrumentally recorded earthquakes from 1900 to 2008. It is being periodically updated as new arrival time data for recent years become available.
. . .
For recent years (1964–present) a cut-off magnitude of 5.5 has been chosen for the catalog, and the catalog is complete down to that threshold. For the period prior to 1964 (also referred to as "historical instrumental" or simply "historical" period) the cut-off considered is magnitude 6.5. Between the 1930's and 1963 the catalog is complete to te magnitude 6.5 threshold, but prior to that, the catalog is only complete down to magnitude 7.0.