/// <summary>
        /// Calls the service to get the earthquake data
        /// </summary>
        /// <returns></returns>
        private static List <EarthquakeData> GetEarthquakeActivity()
        {
            var response =
                EarthquakeManagerService.GetEarthquakeActivity(
                    GetEarthquakeActivityRequest.Create(StartTime.ToString("yyyy-MM-ddTHH\\:mm\\:ss"), EndTime.ToString("yyyy-MM-ddTHH\\:mm\\:ss")));

            if (response == null)
            {
                return(null);
            }
            return(response.Data);
        }
        /// <summary>
        /// Get earthquake activity
        /// </summary>
        /// <param name="request"></param>
        /// <returns></returns>
        public GetEarthquakeActivityResponse GetEarthquakeActivity(GetEarthquakeActivityRequest request)
        {
            var feedUrl = "http://earthquake.usgs.gov/fdsnws/event/1/query?format=geojson&starttime=" + request.StartTime + "&endtime=" + request.EndTime;

            return(GetEarthquakeActivityUtil(feedUrl));
        }