Kategorie: News

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:

FVAU05 at 14:44 UTC, 26/10/26 from ADRM
VA ADVISORY
DTG: 20261026/1445Z
VAAC: DARWIN
VOLCANO: KARANGETANG 267020
PSN: N0247 E12524
AREA: INDONESIA
SOURCE ELEV: 1797M AMSL
ADVISORY NR: 2026/20
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL070 OBS AT 26/1420Z MOV W
OBS VA DTG: 26/1420Z
OBS VA CLD: SFC/FL070 N0245 E12527 - N0245 E12517 - N0251
 E12517 - N0249 E12527 MOV W 05KT
FCST VA CLD +6 HR: 26/2020Z SFC/FL070 N0245 E12527 - N0231
 E12509 - N0256 E12503 - N0249 E12527
FCST VA CLD +12 HR: 27/0220Z SFC/FL070 N0245 E12526 - N0231
 E12509 - N0256 E12503 - N0249 E12527
FCST VA CLD +18 HR: 27/0820Z SFC/FL070 N0245 E12527 - N0237
 E12520 - N0241 E12502 - N0306 E12513 - N0250 E12526
RMK: DISCRETE VA EMISSION IDENTIFIABLE ON SATELLITE IMAGERY.
 REGULAR GROUND REPORTS INDICATE INTERMITTENT ERUPTIONS ARE
 ONGOING. HEIGHT AND MOVEMENT BASED ON SATELLITE IMAGERY AND
 MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20261026/1930Z=

Wrapped interferometric phase at Kīlauea, Hawaiʻi, from a Sentinel-1D VV pair spanning 24 September – 6 October 2026 (12-day temporal baseline). Inset: wrapped phase along a profile across the fringe pattern; the sawtooth shows three full phase wraps over the readable section, giving a total phase difference of 22.2 rad, equivalent to 9.8 cm of relative line-of-sight displacement. (image: Sentinel-1, processed by Martin Kelko)

The interferometric Sentinel-1D pair in VV polarisation of the volcano, acquired on 24 September and 6 October 2026, shows a compact set of concentric fringes confined to the summit caldera, superimposed on broad, long-wavelength phase gradients across the wider scene.

The displacement corresponds to 9.8 cm of relative displacement in the satellite line of sight over the 12-day interval. One full colour cycle corresponds to 2.77 cm of displacement in the satellite line of sight. Concentric fringes within the summit caldera indicate a localised deformation source. The broad, long-wavelength colour gradients elsewhere in the scene are consistent with tropospheric delay rather than ground motion, and the speckled areas are decorrelated, mainly over vegetated terrain

Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Washington warned of a volcanic ash plume rising to an estimated 20000 ft (6100 m), or flight level 200.
Original VAAC bulletin:

FVXX24 at 05:29 UTC, 26/10/26 from KNES
VA ADVISORY
DTG: 20261026/0526Z

VAAC: WASHINGTON

VOLCANO: SANGAY 352090
PSN: S0200 W07820

AREA: ECUADOR

SOURCE ELEV: 17342 FT AMSL

ADVISORY NR: 2026/717

INFO SOURCE: GOES-19. VONA. WEBCAM. NWP MODELS. 

ERUPTION DETAILS: ONGOING VA EMS

OBS VA DTG: 26/0500Z

OBS VA CLD: SFC/FL200 S0200 W07820 - S0201 W07820
- S0213 W07826 - S0208 W07832 - S0200 W07820 MOV
SW 10KT 

FCST VA CLD +6HR: 26/1100Z SFC/FL200 S0200 W07820
- S0201 W07820 - S0219 W07829 - S0211 W07838 -
S0200 W07820 

FCST VA CLD +12HR: 26/1700Z SFC/FL200 S0201 W07820 -
S0219 W07829 - S0211 W07838 - S0201 W07821 -
S0201 W07820 

FCST VA CLD +18HR: 26/2300Z SFC/FL200 S0201
W07820 - S0219 W07829 - S0211 W07839 - S0201
W07820 - S0201 W07820 

RMK: VA DETECTED ON STLT MOVG SW OF SUMMIT. STG
HOTSPOT ON SWIR. VONA INDICATES VA EMS. NO CHG
FCST TO MDL WINDS AT FL NXT 18 HR. ...KONON

NXT ADVISORY: WILL BE ISSUED BY 20261026/1130Z