c41ba6f4_Bulusan_Volcano_Alert_Signals__ALERT_LEVEL
[CRITERIA] Elevated levels of any of the following: volcanic earthquake, steam/gas emission, ground deformation and hot spring temperature. Intermittent steam/ash explosion and above baseline Sulfur Dioxide2 (SO2) emission rates. Increased swelling of volcanic edifice. Probable intrusion of magma at depth, which can lead to magmatic eruption. Entry within PDZ must be prohibited. Other areas within five (5) kilometers of the active vent may be included in the danger zone. [ALERT LEVEL] 
2 Moderate Level of Volcanic Unrest
Bulusan Volcano Alert Signals
ALERT LEVEL