The following information obtained from UNAVCO's online DOI system: (https://www.unavco.org/data/doi/search/search.html) Afar GPS Network - DALE-Erta Ale P.S. Start: 26-Feb-2009 End: 04-Oct-2009 Calais, Eric, 2009, Afar GPS Network - DALE-Erta Ale P.S., UNAVCO, GPS/GNSS Observations Dataset, https://doi.org/10.7283/T5RN35ZZ