Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report:
FVFE01 at 00:51 UTC, 20/04/26 from RJTD VA ADVISORY DTG: 20260420/0051Z VAAC: TOKYO VOLCANO: MAYON 273030 PSN: N1315 E12341 AREA: PHILIPPINES SOURCE ELEV: 2462M AMSL ADVISORY NR: 2026/512 INFO SOURCE: HIMAWARI-9 PHIVOLCS ERUPTION DETAILS: ERUPTION AT 20260420/0034Z VA CLD UNKNOWN REPORTED OBS VA DTG: 20/0030Z OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND FL180 070/4KT FCST VA CLD +6 HR: NOT AVBL FCST VA CLD +12 HR: NOT AVBL FCST VA CLD +18 HR: NOT AVBL RMK: WE WILL ISSUE FURTHER ADVISORY IF VA IS DETECTED IN SATELLITE IMAGERY. NXT ADVISORY: NO FURTHER ADVISORIES=
Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 7000 ft (2100 m) altitude or flight level 070 . The full report is as follows:
FVAU01 at 00:21 UTC, 20/04/26 from ADRM VA ADVISORY DTG: 20260420/0000Z VAAC: DARWIN VOLCANO: IBU 268030 PSN: N0129 E12738 AREA: INDONESIA SOURCE ELEV: 1325M AMSL ADVISORY NR: 2026/446 INFO SOURCE: HIMAWARI-9 CVGHM ERUPTION DETAILS: VA TO FL070 OBS ON SAT 19/2340Z MOV S OBS VA DTG: 19/2340Z OBS VA CLD: SFC/FL070 N0132 E12735 – N0132 E12741 – N0100 E12753 – N0054 E12743 – N0101 E12730 – N0113 E12726 MOV S 05KT FCST VA CLD +6 HR: 20/0540Z SFC/FL070 N0132 E12741 – N0107 E12749 – N0104 E12733 – N0115 E12724 – N0132 E12734 FCST VA CLD +12 HR: 20/1140Z SFC/FL070 N0131 E12740 – N0116 E12743 – N0105 E12740 – N0103 E12726 – N0116 E12718 – N0131 E12736 FCST VA CLD +18 HR: 20/1740Z SFC/FL070 N0133 E12736 – N0131 E12742 – N0103 E12741 – N0101 E12726 – N0113 E12717 RMK: CONTINUOUS VA EMISSIONS IDENTIFIABLE ON VISIBLE AND RGB SAT IMAGERY MOV S AND SE. VA HEIGHT AND MOVEMENT BASED ON SAT IMAGERY, GROUND REPORTS AND MODEL GUIDANCE. NXT ADVISORY: NO LATER THAN 20260420/0600Z=
Dukono (Halmahera): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 8000 ft (2400 m) altitude or flight level 080 . The full report is as follows: VA TO FL080 OBS AT 19/1550Z MOV SE OBS VA DTG:19/1550Z to 8000 ft (2400 m)
Santiaguito (Guatemala): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 14000 ft (4300 m) altitude or flight level 140 . The full report is as follows: VA EMS OBS to 14000 ft (4300 m)
Fuego (Guatemala): Volcanic Ash Advisory Center Washington (VAAC) issued the following report: NO VA EM DETECTED
Sangay (Ecuador): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 23000 ft (7000 m) altitude or flight level 230 . The full report is as follows: VA EMS OBS to 23000 ft (7000 m)
Reventador (Ecuador): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 15000 ft (4600 m) altitude or flight level 150 . The full report is as follows: VA EMS OBS to 15000 ft (4600 m)
Sabancaya (Peru): Volcanic Ash Advisory Center Buenos Aires (VAAC) issued the following report: EMISSION OF POSSIBLE VA
On 4/19/2026 5:34:47 PM, an earthquake occurred in Tonga potentially affecting 190 thousand in MMI>=III. The earthquake had Magnitude 6.1M, Depth:36km.
