[dirtboy]

Seriously, these maps aren't some AGW computer model hooey not supported by observations. These are actual quakes.

Oklahoma quake maps by year

[thackney]

Seriously, hydraulic fracturing and waste water disposal started a several decades earlier in that area.

[thackney]

Geologist: History shows Oklahoma earthquakes not new phenomenon
http://newsok.com/geologist-history-shows-oklahoma-earthquakes-not-new-phenomenon/article/4983503

Brown found a similar earthquake outbreak in the 1950s, when Oklahoma did not have equipment to properly measure seismic activity.

He also said those quakes may have been related to activity around the world, noting a similar spike in massive earthquakes worldwide since 2002.