LIGO Classroom Notes

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[edit] Earthquake Studies

A number of earthquake studies are possible with the E-Lab data. From what epicenter distance can LIGO detect earthquake waves? How fast do earthquake waves travel? Are P and S waves distinguishable in the data? If so, what can we learn about how these waves travel through the earth?

[edit] Frequency Band Studies

LIGO's Data Monitoring Tool data channels (DMT channels) are segregated by frequency ranges. Students can study similar time periods and/or similar seismic events by looking at different frequencies of seismic vibrations.

[edit] Microseismic Studies

Microseisms provide a constant low-frequency seismic signal in the ground that is related to ocean wave activity. What environmental factors can cause microseisms to vary in strength?

[edit] Studies of Human-induced Seismic Activity

Humans do things that make the ground shake. What types of human activity can show up in LIGO data? What effect do these activities exert on LIGO's interferometers?

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