<p>Accelerometers, preferably triaxial (i.e., those that record horizontal and vertical motion). Beyond that your question is indeed a bit too open-ended. Some use many cheap MEMS (<a href="http://onlinelibrary.wiley.com/doi/10.1029/2008GL036572/epdf" rel="nofollow noreferrer">http://onlinelibrary.wiley.com/doi/10.1029/2008GL036572/epdf</a>; <a href="https://www.theverge.com/circuitbreaker/2017/7/13/15963996/raspberry-pi-seismograph-early-warning-earthquakes" rel="nofollow noreferrer">https://www.theverge.com/circuitbreaker/2017/7/13/15963996/raspberry-pi-seismograph-early-warning-earthquakes</a>; these are similar to those found in phones), some use more expensive but reliable equipment (<a href="https://kinemetrics.com/post_products/episensor-es-t/" rel="nofollow noreferrer">https://kinemetrics.com/post_products/episensor-es-t/</a>)...</p>

CC BY-SA 3.0
2018-03-08T21:08:21.553Z
2018-03-08T21:08:21.553Z
Erik
<p>As I'm a newbie in seismology and related area, I would like to know which type of seismic sensors usually used in earthquake early warning systems?</p>

CC BY-SA 3.0
2018-03-06T16:41:46.983Z
Welcome! I recommend starting with some reading about early warning systems for earthquakes. Then you can ask a more pointed question, as this one is rather open-ended.
Matt Hall
<earthquakes><seismology><seismic><instrumentation><environmental-sensors>
Which type of seismic sensors usually used in Earthquake Early Warning?
Ehsan Maiqani
# Which type of seismic sensors usually used in Earthquake Early Warning?

(Asked by: username_0 on 2018-03-06)

As I'm a newbie in seismology and related area, I would like to know which type of seismic sensors usually used in earthquake early warning systems?

**Tags:** earthquakes, seismology, seismic, instrumentation, environmental-sensors

> **Comments:**
> **username_1**: Welcome! I recommend starting with some reading about early warning systems for earthquakes. Then you can ask a more pointed question, as this one is rather open-ended.  

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## 1 answers

### Answer by username_2 on 2018-03-08. Score: 4 | Accepted answer

Accelerometers, preferably triaxial (i.e., those that record horizontal and vertical motion). Beyond that your question is indeed a bit too open-ended. Some use many cheap MEMS (<http://onlinelibrary.wiley.com/doi/10.1029/2008GL036572/epdf>; <https://www.theverge.com/circuitbreaker/2017/7/13/15963996/raspberry-pi-seismograph-early-warning-earthquakes>; these are similar to those found in phones), some use more expensive but reliable equipment (<https://kinemetrics.com/post_products/episensor-es-t/>)...


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