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This activity was also accompanied by increased tremor.

Seismic tremor had decreased over the subsequent weeks with the last observation of seismic tremor on December 29, 2019.

61 events long period (LP), 74 explosions (EXP), 17 episodes of tremor emission (TRE) and two episodes of harmonic tremor (TA) were recorded.

Volcanic tremor: During the week in question, the average amplitude of volcanic tremor showed fluctuations around high values.

A total of 19 events of long period (LP), 16 explosions, 9 episodes of harmonic tremor and 22 episodes of tremor of emission has been entered.

The internal activity of the volcano remains at moderate levels.

The volcano continues to have an elevated level of volcanic tremor.

Volcanic seismic tremor remained at moderate levels.

Seismicity remains elevated with continuous tremor.

Volcanic tremor: The temporal trend of the mean amplitude of volcanic tremor showed no significant change and remained at an average level.

Volcanic Tremor: During the week in question, the average amplitude of volcanic tremor showed modest fluctuations around high values.

Continuous tremor with a dominant amplitude of 3 mm

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