Shiveluch (Kamchatka): (1 Aug) Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report: VA IS NOT IDENTIFIABLE IN SATELLITE IMAGERY.
Mayon (Luzon Island, Philippines): Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report: ERUPTION AT 20230801/1525Z VA CLD UNKNOWN REPORTED OBS VA DTG:01/1530Z
…1 Aug:
Several new ash eruptive stages at the volcano commenced at 18:00 local time yesterday.
Intermittent periods, lasting from 1 to 43 minutes, consisted of 16 events accompanied by low-frequency (long-period) earthquakes with a duration ranging between 30 seconds and 1 minute.
… [read more]
Ulawun (New Britain, Papua New Guinea): (1 Aug) Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 10000 ft (3000 m) altitude or flight level 100 and is moving at 05 kts in N direction.
The full report is as follows: CONTINUOUS VA EMISSION TO FL100 EXT N OBS VA DTG:01/0400Z to 10000 ft (3000 m)
Semeru (East Java, Indonesia): (31 Jul) Volcanic Ash Advisory Center Darwin (VAAC) issued the following report: VA REPORTED TO FL150 AT 31/2215Z OBS VA DTG:31/2215Z
Santiaguito (Guatemala): (1 Aug) Volcanic Ash Advisory Center Washington (VAAC) issued the following report: VA NOT DETECTED
Fuego (Guatemala): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 16000 ft (4900 m) altitude or flight level 160 .
The full report is as follows: VA CLD OBS to 16000 ft (4900 m)
Nevado del Ruiz (Colombia): Volcanic Ash Advisory Center Washington (VAAC) issued the following report: VA EMS HAS DISP
Sangay (Ecuador): Volcanic Ash Advisory Center Washington (VAAC) issued the following report: VA EMS HAS DISP IN STLT IMAGERY
Reventador (Ecuador): (31 Jul) Volcanic Ash Advisory Center Washington (VAAC) issued the following report: VONA RPTS VA EM 31/2236Z.
Sabancaya (Peru): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Buenos Aires warned about a volcanic ash plume that rose up to estimated 23000 ft (7000 m) altitude or flight level 230 and is moving at 05 kts in S direction.
The full report is as follows: continuous ash emissions to 23000 ft (7000 m)
Ubinas (Peru): (1 Aug) Volcanic Ash Advisory Center Buenos Aires (VAAC) issued the following report: PSBL LGT EMISSIONS
