Rarotonga, Cook Islands

IU RAR commences operations on: 1992,067

Host Institute of Geological and Nuclear Sciences
Network IU
Latitude -21.212
Longitude -159.773
Elevation 28
Datalogger Q330
Broadband KS-54000
Accelerometer FBA_ES-T_EpiSensor_Accelerometer
Telemetry Status at the NEIC Pending


Site Photo Site Photo Site Photo


Station Heliplot


Station Latency


Past 30 Days

Station Availability - Past 30 Days

Past 365 Days

Station Availability - Past Year


Station Availability - Yearly

Vault Condition

Borehole for Z, N, and E channels. The STS-1/VBB seismometers are located in a small concrete building approximately 20 x 12 feet. Piers are not isolated from the floor, but are attached to surface rock. A small air conditioner inside the building controls temperature and humidity.

Site Geology

To about 85 meters geology is an alternating series of hard basalt and unstable flowing material, scoria, gravels and sands. Below 85 meters there is a consistent sequence of basalts.