News & activity updates:

Updated: Sep 28, 2021 11:55 GMT

Bromo Volcano Volcanic Ash Advisory: ONGOING ERUPTION TO FL100 LAST REPORTED 22/1024Z

Fri, 22 Mar 2019, 20:00
20:00 PM | BY: VN
Volcanic Ash Advisory Center Darwin (VAAC) issued the following report:

FVAU02 at 19:50 UTC, 22/03/19 from ADRM
VA ADVISORY
DTG: 20190322/1955Z
VAAC: DARWIN
VOLCANO: TENGGER CALDERA 263310
PSN: S0757 E11257
AREA: INDONESIA
SUMMIT ELEV: 2329M
ADVISORY NR: 2019/51
INFO SOURCE: HIMAWARI-8, GROUND REPORT
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: ONGOING ERUPTION TO FL100 LAST REPORTED
22/1024Z
EST VA DTG: 22/1955Z
EST VA CLD: SFC/FL100 S0758 E11255 - S0823 E11339 - S0757
E11346 - S0754 E11256 MOV E 20KT
FCST VA CLD +6 HR: 23/0155Z SFC/FL100 S0758 E11255 - S0754
E11256 - S0757 E11343 - S0820 E11337
FCST VA CLD +12 HR: 23/0755Z SFC/FL100 S0758 E11255 - S0813
E11339 - S0752 E11343 - S0754 E11256
FCST VA CLD +18 HR: 23/1355Z SFC/FL100 S0758 E11255 - S0754
E11256 - S0751 E11347 - S0813 E11343
RMK: VA UNIDENTIFIABLE ON SAT IMAGERY DUE TO MET CLOUD
OBSCURATION. GROUND REPORT OF ONGOING ERUPTION AT 22/1024Z.
VA LAST OBS ON SAT IMAGERY EXT E/SE AT 22/0200Z. HEIGHT AND
FORECAST BASED ON SAT IMG, SURABAYA 22/1200Z SOUNDING AND
MODEL DATA.
NXT ADVISORY: NO LATER THAN 20190323/0155Z

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Background:

Updated: Sep 28, 2021 11:55 GMT

Gunung Bromo (Mount Bromo) volcano is a small, but active volcanic cinder cone on the Indonesian island of Java. Bromo is located in the center of the Sandsea Caldera, itself only a portion of the larger Tengger Caldera. The Sandsea caldera formed around 8,000 years ago, in what must have been a massive eruption. Subsequent volcanic activity formed the cluster of cinder cones in the caldera's center, including Bromo.
The historical record indicates eruptions of Bromo every few years since 1804, and geologic evidence indicates eruptions at least several hundred years earlier. The most recent eruption occured in 2004, and tragically killed two tourists.


The image above shows most of the Sandsea Caldera, along with Gunung Bromo and the older volcanoes on the caldera floor. A small plume of steam is visible rising out of Mt. Bromo. Space Imaging's IKONOS satellite, capable of 4-meter per-pixel color imagery, and 1-meter per-pixel resolution panchromatic imagery, acquired the data on July 8, 2001.


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