Map of the Day: What do San Francisco and Oklahoma City Have in Common?

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Here is today’s mystery map. Can you guess what it is?

This map comes from a team of researchers writing in Seismological Research Letters, and it shows the 2017 earthquake risk in various parts of the country. You probably aren’t surprised to see either California or Seattle in dark orange. If you’re familiar with the New Madrid fault, you’re not surprised by the blotch on the border of Arkansas and Tennessee. But Oklahoma City?

Yep. It’s all because of fracking:

Most of the induced earthquake activity in the central and eastern United States (CEUS) is caused by deep wastewater disposal. Injected wastewater causes pressure changes that can weaken (unclamp) a fault and therefore bring it closer to failure. Seismicity rates in Oklahoma increased exponentially beginning in 2009.

….In Oklahoma, during 2016, a 13 February [magnitude] 5.1 earthquake near Fairview, a 3 September magnitude 5.8 earthquake near Pawnee, and a 7 November magnitude 5.0 earthquake near Cushing caused damaging ground shaking. These damaging events are thought to be the result of  wastewater injection, and the potential for future large earthquakes causes concern to officials responsible for public safety and welfare.

That magnitude 5.8 earthquake in Pawnee is the largest ever recorded in Oklahoma. However, thanks partly to reduced demand for oil and partly to new regulations, the earthquake risk in Oklahoma has decreased a bit in the past year. For now, though, it’s still pretty high. I knew all about the seismic danger from fracking before I read this, but I didn’t realize that, for now anyway, Oklahoma City is literally as earthquake prone as San Francisco.

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SIX TRUTHS

Reclaiming power from those who abuse it often starts with telling the truth. And in "This Is How Authoritarians Get Defeated," MoJo's Monika Bauerlein unpacks six truths to remember during the homestretch of an election where democracy, truth, and decency are on the line.

Truth #1: The chaos is the point.

Truth #2: Team Reality is bigger than it seems.

Truth #3: Facebook owns this.

Truth #4: When we go to work, we're in the fight.

Truth #5: It's about minority rule.

Truth #6: The only thing that can save us is…us.

Please take a moment to see how all these truths add up, because what happens in the weeks and months ahead will reverberate for at least a generation and we better be prepared.

And if you think journalism like Mother Jones'—that calls it like it is, that will never acquiesce to power, that looks where others don't—can help guide us through this historic, high-stakes moment, and you're able to right now, please help us reach our $350,000 goal by October 31 with a donation today. It's all hands on deck for democracy.

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