On 9/20/2026 9:17:35 AM, an earthquake occurred in Papua New Guinea potentially affecting 6 thousand in MMI V. The earthquake had Magnitude 6.4M, Depth:104.329km.
Green earthquake (Magnitude 6.4M, Depth:104.329km) in Papua New Guinea 20/09/2026 09:17 UTC, 50 thousand in MMI V.
Green notification for tropical cyclone ODALYS-26. Population affected by Category 1 (120 km/h) wind speeds or higher is 0 (0 in Tropical Storm).
Lewotolo Volcanic Ash Advisory: ash plume to 7,000 ft (2,100 m) as of Sep 20, 04:40 UTC
Satellite image of Lewotolo volcano on 20 Sep 2026
Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Darwin warned of a volcanic ash plume rising to an estimated 7000 ft (2100 m), or flight level 070, and moving at 05 kts in NW direction.
Original VAAC bulletin:
FVAU04 at 05:01 UTC, 20/09/26 from ADRM
VA ADVISORY
DTG: 20260920/0500Z
VAAC: DARWIN
VOLCANO: LEWOTOLOK 264230
PSN: S0816 E12330
AREA: INDONESIA
SOURCE ELEV: 1423M AMSL
ADVISORY NR: 2026/256
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL070 OBS 20/0440Z EXT NW
OBS VA DTG: 20/0440Z
OBS VA CLD: SFC/FL070 S0814 E12332 - S0819 E12332 - S0804
E12307 - S0753 E12320 MOV NW 05KT
FCST VA CLD +6 HR: 20/1040Z SFC/FL070 S0814 E12332 - S0819
E12332 - S0815 E12305 - S0756 E12315
FCST VA CLD +12 HR: 20/1640Z SFC/FL070 S0814 E12332 - S0819
E12332 - S0821 E12304 - S0804 E12307
FCST VA CLD +18 HR: 20/2240Z SFC/FL070 S0814 E12332 - S0819
E12332 - S0824 E12304 - S0806 E12306 - S0754 E12319
RMK: CONTINUOUS VA IDENTIFIABLE ON SATELLITE IMAGERY. HEIGHT
AND MOVEMENT BASED ON SATELLITE IMAGERY, GROUND REPORTS AND
MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260920/1100Z=
Sakurajima Volcano Volcanic Ash Advisory: ERUPTED AT 20260920/0038Z FL090 EXTD SW OBS VA DTG: 20/0030Z
The Volcanic Ash Advisory Center (VAAC) Tokyo issued the following bulletin.
Original VAAC bulletin:
FVFE01 at 00:49 UTC, 20/09/26 from RJTD
VA ADVISORY
DTG: 20260920/0049Z
VAAC: TOKYO
VOLCANO: SAKURAJIMA [AIRA CALDERA] 282080
PSN: N3136 E13039
AREA: JAPAN
SOURCE ELEV: 1117M AMSL
ADVISORY NR: 2026/205
INFO SOURCE: JMA HIMAWARI-9
ERUPTION DETAILS: ERUPTED AT 20260920/0038Z FL090 EXTD SW
OBS VA DTG: 20/0030Z
OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND FL090 020/19KT
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=