A magnitude 5.3 earthquake occurred at 01:28:26 (UTC) on 22 July 2021, 65.9 km (40.9 mi) SW of San Rafael del Sur, Nicaragua; 84.6 km (52.6 mi) WSW of Diriamba, Nicaragua and 88.0 km (54.7 mi) WSW of Jinotepe, Nicaragua. Initial estimates from the United States Geological Survey (USGS) located the epicentre of the event at 11.482°N, 86.915°W, and at a depth of 35.0 km