Other Gravitational Wave Observatories
Below is a list of other GW detectors and observastories, in alpahbetical order.
GEO
The German/United Kingdom collaboration 600 m detector located in Hanover, Germany.
KAGRA
The Japanese 3 km detector located in the Kamioka mine, Japan.
LIGO-India
The LIGO-India detector.
LISA
The NASA/ESA space-based detector.
Virgo
The Italian/French collaboration 3 km detector located outside of Pisa, Italy.