Graciosa Island is the northernmost of the Central Group of islands in the Azores. It is approximately 10 km x 7 km in area. The island is volcanic and its geography is dominated by a 1.6 km wide central caldera. The population of the island is just less than 5,000 and all inhabitants are considered citizens of the largest town, Santa Cruz da Graciosa.

For more information about Graciosa Island see link)

To read the news item about the first MSI trip to the Azores see link)

The construction of the mid-latitude chain of SuperDARN radars is supported by the National Science Foundation under the Mid-Sized Infrastructure (MSI) program.