theinbetweenismine

just a girl living the expat life

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What I do…

March 21, 2011 filed under: career stuff, my so-called life

Today I’ll be participating in “Take a Blogger to Work Day”, initiated by the lovely Gina at hiyaluv.com.
I have a degree in Geography, English and Physical Education and was heading for a career as a teacher, when my life’s path got diverted by an exchange semester and eventually a move from Germany to California.
Now I work as a geologist and data processing specialist for a big government agency. Below, I am going to share on of my more exiting work days.

* * *

… or at least, what I should be doing occasionally anyway. Most of the time, I am stuck in the office behind a computer just processing  data (which sounds more boring than it actually is, believe me!)

So, my boss took me on a field trip Monday and Tuesday. FINALLY. I had been hoping to go in the field – to feel like a REAL geologist, you know – for a while, but it hadn’t worked out so far. But I finally got to see a site, actually two sites, that I have been working on pretty much since the day I set foot in this office as an intern 4,5 years ago!
Does the name “Parkfield” ring a bell for anyone?

It’s a teeny-tiny community, with a population of mind-boggling 18 people, in the middle of nowhere in Central California, well-known in the seismic community for it is located in the Tremblor (Spanish for earthquake) Range between the San Joaquin Valley and the Central Coast.

Parkfield - Earthquake Capitol of the World
Courtesy of Google Maps

Parkfield lies along the San Andreas Fault, one of the most famous faults in the world. In case you didn’t know, and you probably don’t, I wrote my Master’s thesis about the San Andreas Fault, so I have personal interest in this study area.
The San Andreas Fault is a continental transform fault that runs a length of roughly 800 miles (1,300 km) through California. The fault’s motion is right-lateral strike-slip ( relative horizontal motion). It represents the tectonic boundary between the Pacific Plate (moving north) and the North American Plate (moving south).

Sanandreas
Courtesy of: Nationalatlas.gov

Parkfield lies at the southern end of the central segment of the San Andreas fault which is generally considered to exhibit ‘aseismic creep”, horizontal movement without causing notable earthquakes. Parkfield however has documented evidence since 1857 of moderate-size earthquake of about magnitude 6 on average of every 22 years.
The last, slightly overdue 6.0 earthquake (which should have taken place by 1993) took place in September 2004 and I have worked on two surveyed sites in Parkfield since that earthquake:

a) Carr Hill – it’s a depression representing the San Andreas Fault, which is instrumented with a cross array of cylindrical posts, a video camera (which, triggered by an earthquake, records real-time motion) and a creep meter (an instrument that monitors the slow surface displacement (aseismic creep) of an active geologic fault).
Unfortunately, this experimental array will be removed soon, since it was set up on privately owned land and sadly, the owner has withdrawn his permission to use his land any longer.
It’s really too bad because this was such an interesting study site.

Carr Hill
See how all the posts are in a straight line and then all of a sudden they start moving to the left (south)?
The San Andreas Fault is – of course – not a straight line like this, but in this area the movement narrows down to the line between the 3rd and 4th post.

b) Parkfield Bridge – a bridge across the San Andreas fault, which runs through a (often dry) creek bed, whose piers on either side have shifted over time.

Parkfield Bridge
Do you see the bend in the bridge? The San Andreas Fault is running right underneath this bridge.
The Pacific Plate (far side of the bridge) is moving north (to the right) and the North American Plate (near side of the bridge) is moving south (to the left),  bending and twisting this bridge almost in the middle over time.

Over the last 5 years we’ve measured displacement (we’re talking decimeters) on both research sites that accounts for the aseismic creep that has occurred since the last earthquake in 2004. Eventually, the bridge will snap into two pieces, one side moving to the north and the other side moving to the south.
Can you wrap your heads around this? It’s sounds somehow unbelievable, but this is that would happen if the bridge wasn’t worked on constantly.

The two days in the field were both exciting and awesome and long and exhausting. It was hot and dusty, 95°F and even though I had enough to drink and we were sporting a fancy umbrella to shade our sensitive instrument (and ourselves ), I had a dizzy spell just 2 hours into our field work. Just lovely! It was kind of embarrassing and I  just hoped the earth would open and swallow me up at that point.
It didn’t last long though and I was OK for the rest of the field trip.

We headed out Monday morning at 6:30 a.m., worked a 12,5 hour-day (including the drive), had dinner, went to bed, started working again at 6:30 a.m. and made it home by 8 p.m.
As I said, it was a LONG, but absolutely FANTASTIC experience.

If you made it all the way down here, I applaud you. You haven’t fallen asleep yet.
But honestly, come on, you cannot tell me that this is not HOT STUFF and truly fascinating! I assure you, seeing science in the field just blows your mind!

{originally posted on August, 27, 2009}

27

Comments

  1. Kat says

    March 21, 2011 at 4:47 pm

    I am a total science geek, and this was super interesting to read! I can never wrap my head around the fact that some people actually have interesting jobs and do what they love on a day-to-day basis. :) I am always fascinated by the range our world operates on – like, those ginormous plates moving North/South opposed to the tiny town with that small bridge and the, comparatively, “gentle” bend of a once straight line. It’s mind-blowing to me!

    … and then I get into the whole I CANNOT BELIEVE HOW PERFECT OUR WORLD IS AND HOW SMOOTHLY IT RUNS AND HOW MANY TINY LITTLE FACTORS INTERACT EVERY SECOND OF EVERY DAY fascination. But enough from me for now. :P

    Reply
  2. gina says

    March 21, 2011 at 4:54 pm

    wow! such an interesting post. i usually can’t be bothered with science however you got my attention when you spoke of central california and the san andreas fault and then you showed pics!! that bridge is really creepy-i have to be honest, i am not sure i would have seen the bend had you not pointed it out to me!
    great post, i totally loved it;)
    gina

    Reply
  3. Susan says

    March 21, 2011 at 4:57 pm

    That is probably to coolest job description I have ever read. Seeing the evidence of the plate movement is fascinating! Loved reading this – thanks for sharing!

    Reply
  4. Sarah says

    March 21, 2011 at 6:12 pm

    I never thought a science job could ever be THAT fascinating and exciting, but there you have it! You proved me wrong :)

    PS: nice to “meet” you through Gina’s blog hop!

    Reply
  5. Emily Jane says

    March 21, 2011 at 6:15 pm

    I LOVED this post. Honestly I didn’t know in too much detail what you did for work and I love that it’s so science geeky!! Amazing job – and fascinating to learn this about you :)

    Reply
  6. Susanne says

    March 21, 2011 at 8:29 pm

    Haha, I knew this sounded familiar (until I saw the posted date :-)). But so interesting! We miss you San!

    Reply
  7. mandy says

    March 21, 2011 at 8:30 pm

    This is a great post, I really like learning (in more detail) what my friends do in their professional lives. I think its awesome that you get to go out into the field and conduct tests. What a cool job!

    Reply
  8. Tanja says

    March 21, 2011 at 9:26 pm

    Wow that sounds really interesting! Now I want to go to Parkfield one day! Thanks for sharing!

    Reply
  9. Steffi says

    March 22, 2011 at 12:11 am

    I am with Kat: “I can never wrap my head around the fact that some people actually have interesting jobs and do what they love on a day-to-day basis.”

    If only I could find such a job.

    Loved reading the post – and it IS very interesting. Your job sound great!

    Reply
  10. Deia says

    March 22, 2011 at 12:52 am

    It’s clear that you really love your job and it really sounds interesting. I did my Abitur in Geography so to read this was superinteresting…

    Reply
  11. Maribeth says

    March 22, 2011 at 4:46 am

    This is wonderful! I never was interested until I grew up and then it seemed I was more aware of earthquakes, Tsunami’s, etc. I’ve always thought people in CA were a little nuts to live with the possibility of “the big one” hanging over their heads. But then, we have earthquakes here in New Hampshire too.
    What a great thing, to be doing work you love.

    Reply
  12. Kristy says

    March 22, 2011 at 4:56 am

    How cool! I just watched a big documentary on this kind thing. Its so fascinating! It must be really cool working where you do even if data entry does suck but at least you get an idea of what’s going on! Thanks for sharing!

    Reply
  13. Nilsa @ SoMi Speaks says

    March 22, 2011 at 6:55 am

    I think I like your summary of the details better than I’d like being in the field measuring the details. But, that’s a good thing. Job security and no competition from me. hahaha. Seriously, though, thanks for writing this – it is cool to hear about at a high level!

    Reply
  14. Ute says

    March 22, 2011 at 7:30 am

    hi love, soooo interesting! I miss being in college some days, especially my geology class, loved it! So it is even more interesting to me!! Thanks for writing about it. hope all is well? Big hugs!!

    Reply
  15. Antje says

    March 22, 2011 at 7:39 am

    Your job sounds so interesting and you are so passionate about it :)

    I never liked the theoretical geology classes in college so much but did love the fieldwork. Would have loved to go on excursion to California ;-)

    Reply
  16. nicole says

    March 22, 2011 at 10:35 am

    i’m a nerd, but this is fascinating! i used to live in mission viego but never made it to see the fault!

    Reply
  17. Manderz says

    March 22, 2011 at 11:00 am

    I had no idea you were a geologist – but that’s so COOL!!

    Reply
  18. Claire says

    March 22, 2011 at 1:45 pm

    i actually found this really interesting!

    Reply
  19. Jackie says

    March 22, 2011 at 9:35 pm

    Hi San
    Your job is fascinating! I was fixed all the way to the end and actually felt like I had learned something by the time I finished. What an amazing job you have!

    I came to your post through Gina’s “Take Your Blogger To Work Day”. So great sharing stories.

    Reply
  20. kim says

    March 23, 2011 at 9:06 am

    while i only understand about 20% of what you just wrote, i find it awesome time and time again how much you love your job. it makes me smile :)

    Reply
  21. Stefanie says

    March 23, 2011 at 10:23 am

    I love this stuff! Science is magical!

    Reply
  22. dramaqueensmum says

    March 24, 2011 at 8:38 am

    Very interesting work.

    Reply
  23. lauryn says

    March 24, 2011 at 9:47 am

    I actually think this is very interesting! I had no idea that you were in that line of work. Feel free to share more little geology gems (bad pun!) anytime!

    Reply
  24. steph anne says

    March 24, 2011 at 3:57 pm

    18 people!?!?! Jeez. I really enjoyed getting to know what you do since I don’t know of anyone else who’s in the geology field. Woo!

    Reply
  25. Rachel (RooPaprika) says

    March 25, 2011 at 1:13 am

    You’re a geologist! That is so cool. I am (trying to) doing a degree in Geosciences at the moment. I am seriously seriously envious of you being able to work in California, it’s my dream job.

    Please share some more, I love this feature.

    Reply
  26. terra says

    March 25, 2011 at 8:37 am

    This is absolutely fascinating! I knew that you worked in geology, but it’s great to hear more about it.

    Reply
  27. Polin says

    April 18, 2011 at 6:34 pm

    I had no idea this was what you do. It does sound fascinating… and you get to do it, yay! :)

    Reply

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Hi, I am San – German native, dual-citizen living in beautiful Northern California. Runner. Knitter. Crafter. Reader. Writer. Proud aunt, sister, and friend.

I’ve been blogging since 2004 and don’t intend to stop any time soon. If you are looking for personal content and making a  genuine connection, you’ve come to the right place.

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