On 8/20/2026 6:00:15 PM, an earthquake occurred in Peru potentially affecting 10 thousand in MMI>=V. The earthquake had Magnitude 6.7M, Depth:99km.
Telica Volcanic Ash Advisory: ash plume to 4,000 ft (1,200 m) as of Aug 20, 14:40 UTC
Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Washington warned of a volcanic ash plume rising to an estimated 4000 ft (1200 m), or flight level 040.
Original VAAC bulletin:
FVXX21 at 15:19 UTC, 20/08/26 from KNES
VA ADVISORY
DTG: 20260820/1516Z
VAAC: WASHINGTON
VOLCANO: TELICA 344040
PSN: N1236 W08650
AREA: NICARAGUA
SOURCE ELEV: 3399 FT AMSL
ADVISORY NR: 2026/044
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: LIGHT VA EMS OBSD
OBS VA DTG: 20/1440Z
OBS VA CLD: SFC/FL040 N1236 W08650 - N1235 W08649
- N1232 W08653 - N1234 W08655 - N1236 W08650 MOV
SW 30KT
FCST VA CLD +6HR: 20/2030Z SFC/FL040 N1236 W08650
- N1235 W08650 - N1231 W08655 - N1233 W08657 -
N1236 W08650
FCST VA CLD +12HR: 21/0230Z NO VA EXP
FCST VA CLD +18HR: 21/0830Z NO VA EXP
RMK: VA EMS LIKELY SEEN IN STLT IMG MOVNG SW FROM
SUMMIT. LGT VA EMS SEEN IN WEBCAM. NWP MDLS FCST
INDICATE CONT TO MOVE SW THRU T+6. HGT BASED ON
WEBCAM, MOVMT, NWP MDLS. ...BUTLER
NXT ADVISORY: WILL BE ISSUED BY 20260820/2115Z
Green notification for tropical cyclone TWO-C-26. Population affected by Category 1 (120 km/h) wind speeds or higher is 0 (0 in Tropical Storm).
From 20/08/2026 to 20/08/2026, a Tropical Depression (maximum wind speed of 111 km/h) TWO-C-26 was active in CentralPacific. The cyclone affects these countries: [unknown] (vulnerability [unknown]). Estimated population affected by category 1 (120 km/h) wind speeds or higher is 0 (0 in tropical storm).
Semeru Volcanic Ash Advisory: ash plume to 15,000 ft (4,600 m) as of Aug 20, 10:10 UTC
Satellite image of Semeru volcano on 20 Aug 2026
Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Darwin warned of a volcanic ash plume rising to an estimated 15000 ft (4600 m), or flight level 150.
Original VAAC bulletin:
FVAU02 at 10:12 UTC, 20/08/26 from ADRM
VA ADVISORY
DTG: 20260820/1030Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SOURCE ELEV: 3657M AMSL
ADVISORY NR: 2026/949
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL150 REP AT 20/0217Z MOV NW
OBS VA DTG: 20/1010Z
OBS VA CLD: SFC/FL150 S0809 E11258 - S0810 E11252 - S0750
E11241 - S0744 E11252 - S0748 E11304 MOV N 10KT
FCST VA CLD +6 HR: 20/1610Z SFC/FL150 S0808 E11253 - S0750
E11241 - S0744 E11252 - S0748 E11304 - S0807 E11258
FCST VA CLD +12 HR: 20/2210Z SFC/FL150 S0809 E11252 - S0750
E11241 - S0744 E11252 - S0748 E11304 - S0808 E11259
FCST VA CLD +18 HR: 21/0410Z SFC/FL150 S0808 E11259 - S0809
E11252 - S0751 E11241 - S0744 E11252 - S0749 E11303
RMK: VA CURRENTLY OBSCURED BY MET CLOUD. GROUND REPORT
CONFIRM INTERMITTENT ERUPTION CONTINUING. VA HEIGHT AND MOV
BASED ON SATELLITE IMAGERY, GROUND REPORTS AND MODEL
GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260820/1630Z=
Ibu Volcanic Ash Advisory: ash plume to 7,000 ft (2,100 m) as of Aug 20, 07:50 UTC
Satellite image of Ibu volcano on 20 Aug 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.
Original VAAC bulletin:
FVAU03 at 08:05 UTC, 20/08/26 from ADRM
VA ADVISORY
DTG: 20260820/0810Z
VAAC: DARWIN
VOLCANO: IBU 268030
PSN: N0129 E12738
AREA: INDONESIA
SOURCE ELEV: 1325M AMSL
ADVISORY NR: 2026/942
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL070 REP AT 20/0710Z MOV S
OBS VA DTG: 20/0750Z
OBS VA CLD: SFC/FL070 N0131 E12739 - N0116 E12754 - N0108
E12747 - N0107 E12736 - N0130 E12735 MOV SE 10KT
FCST VA CLD +6 HR: 20/1350Z SFC/FL070 N0131 E12739 - N0118
E12755 - N0109 E12750 - N0107 E12739 - N0130 E12735
FCST VA CLD +12 HR: 20/1950Z SFC/FL070 N0131 E12739 - N0118
E12755 - N0109 E12750 - N0107 E12739 - N0130 E12735
FCST VA CLD +18 HR: 21/0150Z SFC/FL070 N0131 E12739 - N0118
E12755 - N0109 E12750 - N0107 E12739 - N0130 E12735
RMK: VA CURRENTLY NOT IDENTIFIABLE ON SATELLITE IMAGERY DUE
TO MET CLOUD, HOWEVER ASH STILL EXPECTED IN AREA. VA HEIGHT
AND MOVEMENT BASED ON SATELLITE IMAGERY, GROUND REPORTS AND
MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260820/1410Z=