Science is the poetry of Nature.

Contributing Authors

On The Necessity of Geology

There is an urgent need for talking and teaching geology.

Many people don’t know it. They think geology is rocks, but if they’re not rock aficionados, it’s nothing to do with them. So our K-12 schools inadequately teach the earth sciences. People don’t learn about geology, and they grow up to move to hazardous areas without being aware of the risks. They grow into politicians who feel it’s smart to sneer at volcano monitoring. They become people who don’t understand what geologists can and cannot do, and imprison scientists who couldn’t predict the unpredictable.

So we need to talk geology, anywhere and everywhere we can.

A while ago at work, we got on the subject of earthquakes. I don’t remember how it happened, but suddenly, I was surrounded by a gaggle of people whilst I pulled up a diagram of the local subduction zone and delivered a mini-lecture on how it works.

You’d think such pontification would drive people away. It didn’t. They were riveted.

Granted, it’s a fascinating subject. But there’s a huge amount of misinformation floating about in the aether. I had to do some gentle correction – and a bit of putting the fear of Cascadia into folks. It reminded me how critical it is to be aware of what’s going to hapen here – and how few people realize it.

One of my coworkers had vaguely heard that there was a dangerous fault that could lead to a big earthquake near Oregon. He didn’t realize Washington was also at risk – and we’re not ready for something so huge. Everyone I was speaking to looked extremely surprised when I told them we will get hit with a subduction zone earthquake on the order of the Tōhoku Earthquake that devastated Japan in March 2011 – and that we are far more vulnerable than Japan was, because we haven’t done what they have to prepare.

That’s when the fear started. It’s a healthy fear, a realistic one I wish more citizens shared. We don’t need paralyzing fear, but the galvanizing kind, the kind that forces us to get informed and do what it takes to prepare for the inevitable.

We discussed some of the risk we’d face here in our particular corner of the Seattle area. We’re far enough inland and high enough in elevation that we won’t have to worry about being washed away by a tsunami. But some folks were under the impression we’d be safe from earthquake damage here. That’s not true. We won’t suffer the worst of it, unlike the coast, but a look at the shake map shows we’re going to get a shaking strong enough to cause damage; we’ll experience several minutes of severe shaking, and those earthquake waves have a terrible potential to get trapped and amplified by the basin we’re in, making that shaking worse. We are going to get hit: that’s a certainty. It could be today, tomorrow, months or years, but the Cascadia subduction zone will eventually slip catastrophically. And many of the residents don’t even know it’s there. Most of our emergency services aren’t prepared for an event of that magnitude. They don’t realize that “The Big One” isn’t going to be a single event, but a series of severe shocks that could go on for years after the 9.0. Ignorance of geology will lead to a greater catastrophe, because we didn’t know enough to prepare our cities against seismic threats.

Ordinary people who are not rock-obsessed have a need for geology. It’s a necessity, not a luxury. Here’s what a basic knowledge of geology can do for a person:

  • It allows you to make wiser choices in deciding where to live. You may not buy that beautiful house on the unstable hill, and end up losing everything in a landslide, for instance. You’ll be able to figure out what geological problems you should be on the lookout for in your area.
  • It alerts you to the necessity of determining geologic hazards, and how to prepare for and/or mitigate them. In earthquake country, you’ll know to get your structures retrofitted, and what to do in case an earthquake hits. In karst country, you’ll know to watch for the signs that a sinkhole may be opening beneath your property. You’ll ensure you know evacuation routes in case of tsunami warnings.
  • You’ll be better able to assess the importance of government programs for geological hazards monitoring, and know to scream at politicians when they do asinine things like cut 74% of the state geological survey budget, or hack and slash at the USGS Natural Hazards budget.
  • You’ll be prepared to participate in municipal, state, and federal land use decisions. You’ll know when plans to mine could contaminate a national treasure, or if a planned action could pollute the groundwater in your region. All that, plus more, and your appreciation for Earth will be enhanced!

Those of us who know geology need to talk about it, write about it, wax lyrical over it and fight for it. And for those of us who’ve given it short shrift in the past, it’s time to reassess our relationship to the rocks beneath our feet. It’s never been more important than now.

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    I feel like geology is the most overlooked and exceedingly important ‘Earth-science’ other than Ecology in the modern...
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