On 13 January 2018 at 4:21 PM, Mayon Volcano generated a phreatic eruption (steam-driven) that propelled a grayish steam and ash plume approximately 2500 m high that was drifted to the southwest. Based on seismic records the activity lasted approximately 1 hour and 47 minutes.
Alert status was raised to level 4 (hazardous eruption imminent) on January 22 at 1:00 PM by DOST-PHIVOLCS due to the phreatomagmatic eruption (increased seismic unrest, lava fountaining and summit explosion).
Source: DOST-PHILVOCS (Philippine Institute of Volcanology and Seismology)
1. Status of Affected Families / Persons
21,390 families or 82,114 persons in 61 barangays in Albay are affected by the phreatomagmatic eruption of Mount Mayon (see Table 1).
2. Status of Displaced Families
a. Inside Evacuation Centers
19,115 families or 72,464 persons are taking temporary shelter in 75 evacuation centers (see Table 2).
b. Outside Evacuation Centers
2,245 families or 9,562 persons are staying with relatives in Camalig, Daraga, Malilipot, and Santo Domingo (see Table 3).
3. Cost of Assistance
₱81,092,059.82 worth of assistance has been provided to affected families; of which, ₱18,927,024.72 came from DSWD, ₱2,849,124.62 came from LGUs, ₱532,626.00 came from NGOs, and ₱58,783,284.48 came from other humanitarian assistance providers including NGAs (see Table 4).