For 12 Hours, 46 Earthquakes on Mount Anak Krakatau

author surabayapagi.com

- Pewarta

Senin, 07 Jan 2019 08:51 WIB

For 12 Hours, 46 Earthquakes on Mount Anak Krakatau

SURABAYAPAGI.com, Bandar Lampung - Mount Anak Krakatau in the Sunda Strait, South Lampung Regency, Lampung Province, experienced as many as 46 eruptions for 12 hours. The observation time starts from Sunday (6/1) in the morning until near Monday (7/1) in the morning. According to reports of volcanic activity delivered by Windi Cahya Untung, Staff of the Ministry of Energy and Mineral Resources, Badan Geologi, Center for Volcanology and Geological Disaster Mitigation (PVMBG) Observation Post of Gunung Anak Krakatau, in release received in Bandarlampung, Monday morning, for the observation period January 6 2019, 00.00 up to 24.00 WIB, Gunung Anak Krakatau (GAK) experienced 46 eruptions, 15-30 mm amplitude, 35-105 seconds duration Sunny and cloudy weather conditions. The wind blew weakly towards the northeast and east. The air temperature is 25-32 degrees Celsius and air humidity is 66-83 percent. Visual clear mountain to 0-III fog. Medium-pressure crater smoke is observed in white and gray with thick and high intensity 800-1,000 meters above the top of the crater. There was no thud. Based on data taken from Sertung Station in the Sunda Strait, South Lampung, it was concluded that the level of activity of Gunung Anak Krakatau Level III (Standby), and recommended by the community / tourists is not allowed to approach the crater within a 5 km radius of the crater. Previously, PVMBG delivered in the observation period January 5, 2019 at 18.00 WIB up to 24.00 WIB, visually a mountain of mist 0-III. Crater smoke is not observed. There was no thud. Eruption Seismic Activity 19 times, amplitude 20-24 mm, duration 51-121 seconds. The gust is 6 times, the amplitude is 12-14 mm, the duration is 35-42 seconds. Continuous tremor (Microtremor) recorded with an amplitude of 2-17 mm (dominant 8 mm). Throughout observation, sunny and cloudy weather. The wind blew weakly towards the northeast and east. The air temperature is 27-29 degrees Celsius and humidity is 71-79 percent. The data was taken from Sertung Station in the Sunda Strait, near Mount Anak Krakatau. PVMBG of the Ministry of Energy and Mineral Resources Geological Agency also said that from morning to Saturday (5/1) afternoon, Gunung Anak Krakatau experienced 24 times the earthquake eruption, 4 times the seismic gusts, and continuous tremors. PVMBG states that during the observation period of January 5, 2019, at 06.00 to 12.00 WIB, Gunung Anak Krakatau was recorded as experiencing 24 times of seismic eruption, amplitude of 18-25 mm, duration of 52-114 seconds. Bucket seismicity 4 times, amplitude 18-22 mm, duration 46-110 seconds. Then the Continuous Tremor (Microtremor) is recorded with an amplitude of 2-17 mm (dominant 7 mm). The volcano inside the sea, now its height has shrunk from 338 meters above sea level (masl) to 110 meters above sea level or has been partially reduced by landslides into the sea, so it is thought to have triggered the Sunda Strait tsunami on Saturday (22/12) two weeks ago. rk

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