News & activity updates:
Bromo Volcano Volcanic Ash Advisory: CONTINUOUS VA TO FL080 OBS AT 28/0420Z OBS VA DTG: 28/0445Z to 8000 ft (2400 m)
The full report is as follows:
FVAU03 at 04:46 UTC, 28/07/19 from ADRM
VOLCANO: TENGGER CALDERA 263310
PSN: S0757 E11257
SUMMIT ELEV: 2329M
ADVISORY NR: 2019/110
INFO SOURCE: HIMAWARI-8, WEBCAM, CIMMS VOLCAT
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: CONTINUOUS VA TO FL080 OBS AT 28/0420Z
OBS VA DTG: 28/0445Z
OBS VA CLD: SFC/FL080 S0759 E11257 - S0758 E11252 - S0743
E11233 - S0739 E11238 - S0756 E11300 MOV NW 15KT
FCST VA CLD +6 HR: 28/1045Z SFC/FL080 S0759 E11258 - S0750
E11232 - S0740 E11240 - S0756 E11301
FCST VA CLD +12 HR: 28/1645Z SFC/FL080 S0759 E11259 - S0757
E11235 - S0747 E11237 - S0742 E11244 - S0755 E11300
FCST VA CLD +18 HR: 28/2245Z SFC/FL080 S0758 E11300 - S0801
E11236 - S0750 E11237 - S0755 E11300
RMK: CONTINUOUS VA EMISSION OBS ON SATELLITE IMAGERY, LOW
ALTITUDE ASH PLUME OBS ON WEBCAM. MET CLOUD PARTLY OBSCURES
PLUME. HEIGHT BASED ON IR TEMP OF 16C WHICH MATCHES MODEL
GUIDANCE AT 8000FT. FORECAST MOV BASED ON MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20190728/1045Z
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.