Two Mag 6.0 earthquakes off NE coast, Iwate, Japan

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Discussion Overview

The discussion centers around the occurrence of two magnitude 6.0 earthquakes off the northeastern coast of Iwate, Japan, and whether there is an unusual frequency of earthquakes currently. Participants explore statistical data on earthquake occurrences and express concerns about the availability of updated information.

Discussion Character

  • Exploratory
  • Debate/contested
  • Technical explanation

Main Points Raised

  • One participant reports on the occurrence of the earthquakes and provides links to USGS data.
  • Another participant questions whether the current number of earthquakes is unusual.
  • A participant responds that they do not see evidence of an unusual number of earthquakes based on available statistics.
  • There are inquiries about the availability of more recent statistical data, as some provided data stops at 2012.
  • One participant humorously suggests that the lack of updated statistics might be due to a lack of government funding affecting the USGS website.
  • Another participant notes that the yearly averages for earthquakes have not changed significantly over the last four years when viewed over the long term.

Areas of Agreement / Disagreement

Participants express differing views on the availability and relevance of earthquake statistics, with some questioning the data's recency and others asserting that the averages have remained stable. The discussion does not reach a consensus on whether the number of earthquakes is unusual.

Contextual Notes

There are limitations regarding the availability of updated earthquake statistics, with some participants noting that the USGS website has not been as effective since 2012. This may affect the analysis of current earthquake trends.

Astronuc
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Strong 6.0 quake hits northern Japan: USGS
https://www.yahoo.com/news/japan-hit-6-0-magnitude-quake-no-tsunami-095210913.html
The shallow 6.0 magnitude quake hit at 00:58 am (1558 GMT Saturday) 170 kilometres (105 miles) east-northeast of Miyako city, the US Geological Survey said. It was followed by a 5.3 aftershock.

The two Mag 6 earthquakes were preceded by a mag 5.3 and followed by two Mag 5.3 earthquakes.

Two Mag 6.0
http://earthquake.usgs.gov/earthquakes/eventpage/us10006fdp#executive
http://earthquake.usgs.gov/earthquakes/eventpage/us10006ffg#executive

Mag 5.3
http://earthquake.usgs.gov/earthquakes/eventpage/us10006ffj#executive
http://earthquake.usgs.gov/earthquakes/eventpage/us10006ffr#executive
 
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Are we getting an unusual number of earthquakes right now?
 
jedishrfu said:
Are we getting an unusual number of earthquakes right now?

not that I can see from the numbers.

see here for yearly averages for the different magnitude ranges
http://earthquake.usgs.gov/earthquakes/eqarchives/year/eqstats.php Dave
 
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Is there a more recent page of stats than the one you presented as it stops at 2012 curiously?

(or maybe we're just past the end of the world as we know it)
 
jedishrfu said:
Is there a more recent page of stats than the one you presented as it stops at 2012 curiously?
Their web administrator might be a Mayan :smile:
 
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jedishrfu said:
Is there a more recent page of stats than the one you presented as it stops at 2012 curiously?

(or maybe we're just past the end of the world as we know it)

I just grabbed that page to show you the numbers ( note the comments in the red box near the top of the page)
The yearly averages haven't changed in the last 4 years when looked at over the long term

Unfortunately the USGS www site is not as good as it was prior to 2012 and many features have either disappeared or are there but no longer work. I guess the lack of govt funding has hit home

the list at the top of this page goes to 2015 for world wide events
http://earthquake.usgs.gov/earthquakes/browse/stats.php

Dave
 

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