|Ecuador : Volcanic Eruption : 1999/10|
|Outline||Guagua Pichincha volcano, 13 km west of Quito, capital of Ecuador begun a period of abnormal volcanic activity a year ago. Since the end of September, the volcano increased sharply its level of activity. Based on this premonitory signs and following the advice of the Geophysical Institute, the mayor of Quito established the orange alert on 28 September 1999. Since the beginning of August 1999, Tungurahua volcano, 150 km SE of Quito, has also been experiencing very high and abnormal activity.
|Human Impact||Physical Impact||Others|
|OCHA Situation Report No.2 1999/10/11|
|Guagua Pichincha volcano：
On 5 October, a big explosion led to ash fall over the city of Quito and other towns in a radius of about 150 km. Between 2-3 mm of ash accumulated were recorded in Quito. Another relatively strong explosion occurred on 7 October resulting in amount of ash fall over the city of Quito.
Three relatively large phreatic explosions occurred on 5 October. Emission of sulphur dioxide increased to values between 9,000 to 10,000 MT per day and dropped to approximately 6,000 MT per day on 7 October.
|CNN 1999/10/05 1:46GMT|
|A man and three women were hurt when they fell from the roofs of their homes trying to clean. An elderly man with respiratory problems died.||Authorities warned the city's inhabitants not to wash off the ash that had accumulated on sidewalks because the mix of water and ash produces a cement-like substance that could clog the city's drains||Quito's airport shut down at night of Oct.5 and remained closed on Oct.6. All flights, both domestic and foreign, were canceled. The government closed all schools on Oct. 5 and the schools remain closed until the ash threat passes.|