News & activity updates:

Bromo Volcano Volcanic Ash Advisory: VA REPORTED TO FL090 AT 27/2250Z OBS VA DTG: 28/0300Z

Mon, 28 Dec 2020, 03:15
03:15 AM | BY: VN
Volcanic Ash Advisory Center Darwin (VAAC) issued the following report:

FVAU01 at 03:02 UTC, 28/12/20 from ADRM
VA ADVISORY
DTG: 20201228/0300Z
VAAC: DARWIN
VOLCANO: TENGGER CALDERA 263310
PSN: S0757 E11257
AREA: INDONESIA
SUMMIT ELEV: 2329M
ADVISORY NR: 2020/1
INFO SOURCE: HIMAWARI-8, CVGHM
AVIATION COLOUR CODE: YELLOW
ERUPTION DETAILS: VA REPORTED TO FL090 AT 27/2250Z
OBS VA DTG: 28/0300Z
OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WINDS
SFC/FL090 240/10KT SFC/FL090 240/10KT
FCST VA CLD +6 HR: 28/0900Z NOT AVBL
FCST VA CLD +12 HR: 28/1500Z NOT AVBL
FCST VA CLD +18 HR: 28/2100Z NOT AVBL
RMK: CVGHM REPORTED ERUPTION TO 500M ABOVE SUMMIT AT
27/2250Z [VONA RECEIVED 28/0217Z]. VA UNIDENTIFIABLE ON
SATELLITE IMAGERY DUE TO MET CLOUD. HEIGHT AND WINDS BASED
ON VONA AND MODEL GUIDANCE. ADVISORY WILL BE REISSUED IF NEW
INFORMATION IS RECEIVED.
NXT ADVISORY: NO FURTHER ADVISORIES=

Previous news


Background:

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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