On 11 October 2018, the Costa Rica Government reported recent heavy rain affected a total of 240 communities in 20 Cantons near the Zelaya, San Rafael, Guarial, and Grande rivers. Currently, two shelters are providing assistance to 100 people. In addition, 22 aqueduct and sanitary sewer systems (ASADAS) were affected, of which 10 aqueducts have not been enabled. The report is available in Spanish at: Gobierno del Bicentenario.
On 11 October 2018, the Peru National Emergency Operations Center (COEN) reported that the Sabancaya volcano, located 70 kilometers northwest of Arequipa Department, generated an average of 24 explosions per day from 1-7 October 2018. Ash columns reached a maximum height of 3,000 meters above the crater and dispersed an approximate radius of 50 kilometers toward the southwest, south, and southeast. Ash falls were reported in the Huanca area, Junin Region. The complete report is available in Spanish at: COEN.