Elevated thermal signals from Cleveland Volcano, July 10, 2012

Elevated thermal signals from Cleveland Volcano seen in two AVHRR scenes from 13:18 and 14:41 UTC on July 10, 2012

13:18 UTC

MIR channel = 11.2 C

background TIR = 3.98 C

MIR elevated above background = 7.22

Instant effusion rate = 0.3 m³/s

Time averaged 5 day effusion rate = 4.8 m ³/s (1 obs)

13:18 UTC - MIR AVHRR data

40 x 40 region

14:41 UTC

MIR channel = 13.11 C

background TIR = 3.56 C

MIR elevated above background = 9.55

Instant effusion rate = 0.6 m³/s

Time averaged 5 day effusion rate = 2.6 m ³/s (2 obs)

14:41 UTC - MIR AVHRR data

40 x 40 region