1) Aftershock 2) Earth tremor 3) Foreshock
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https://www.crosswordclues.com/clue/microseism
1) Earth tremor 2) Earthquake 3) Quake 4) Seism 5) Temblor 6) Tremor
Found on
https://www.crosswordclues.com/clue/microseism
A more or less continuous motion in the Earth that is unrelated to an earthquake and that has a period of 1.0 to 9.0 seconds. It is caused by a variety of natural and artificial agents.
Found on
http://earthquakescanada.nrcan.gc.ca/info-gen/glossa-eng.php
In seismology, a microseism is defined as a faint earth tremor caused by natural phenomena. The term is most commonly used to refer to the dominant background seismic noise signal on Earth, which are caused by water waves in the oceans and lakes. Because the ocean wave oscillations are statistically homogenous over several hours, the microseism si...
Found on
http://en.wikipedia.org/wiki/Microseism
• (n.) A feeble earth tremor not directly perceptible, but detected only by means of specially constructed apparatus.
Found on
http://thinkexist.com/dictionary/meaning/microseism/
(from the article `seismograph`) Seismographs sometimes detect small and long-continuing oscillations of the ground, called microseisms, that do not originate as earthquakes. The ... Small ground motions known as microseisms are commonly recorded by seismographs. These weak wave motions are not generated by earthquakes, and they ... ...
Found on
http://www.britannica.com/eb/a-z/m/86
A weak vibration of the ground that can be detected by seismographs and which is caused by waves, wi
Found on
http://www.encyclo.co.uk/local/22392
Mi'cro·seism noun [
Micro- + Greek ... an earthquake, from ... to shake.] A feeble earth tremor not directly perceptible, but detected only by means of specially constructed apparatus. --
Mi`cro*seis'mic ,
*seis'mic*al adjective Found on
http://www.encyclo.co.uk/webster/M/63
A weak vibration of the ground that can be detected by seismographs and which is caused by waves, wind, or human activity, but not by an earthquake.
Found on
http://www.scientificpsychic.com/etc/geology-glossary.html
microseism, microseismic An almost imperceptible earth tremor caused by a violent sea storm or an earthquake and detected only by a microseismometer.
Found on
http://www.wordinfo.info/words/index/info/view_unit/2656/2
A motion in the Earth that is unrelated to an earthquake. It is caused by a variety of natural and artificial agents, for example wave action, wind, traffic and industrial noise.
Found on
https://www.encyclo.co.uk/local/23001
No exact match found.
