Avianca announces the cancellation of 33 flights into and out of the country . This is the first eruption of Chaparrastique in 37 years . El Salvador 's president says authorities do n't know if the volcano will erupt again . Chaparrastique sent a plume of gas and ash about 3 miles high , environmental ministry says . Comment:
Avianca announces the cancellation of 33 flights into and out of the country . El Salvador 's president says authorities do n't know if the volcano will erupt again . Chaparrastique sent a plume of gas and ash about 3 miles high , environmental ministry says . Comment: