Key:monitoring:seismic_activity
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 monitoring:seismic_activity
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Seismograph 
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| Used on these elements |
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| Requires |
| Useful combination |
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| Status: in use |
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| Tools for this tag |
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| Wikidata |
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Seismometers are instruments that measure motion of the ground, including those of seismic waves generated by earthquakes, volcanic eruptions, and other seismic sources. Records of seismic waves allow seismologists to map the interior of the Earth, and locate and measure the size of these different sources.
How to Map
Add a node 
or draw its outline 
and add man_made=monitoring_station + monitoring:seismic_activity=yes.
Type of monitoring
There are different types of seismometers. Most are broadband seismometers but you can also monitor ground motion with e.g. GPS.
Useful combination
- ref=*
- display:analog=yes
- display:digital=yes
- recording:manually=yes
- recording:automated=yes
- recording:remote=yes
Examples
Seismographic building at the Loomis Museum
An ocean floor seismometer
Astronomical horizontal seismograph of the Wiechertian earthquake
Triaxial Broadband Seismometer Model CMG-40T
