Alert! Mount Semeru Erupted Again This Morning (Thursday, 21 May 2026)
- A Small
- A Medium
- A Bigger
Mount Semeru in East Java erupted again on Thursday (21/5/2026) at 06:17 WIB. In the past week, Mount Semeru has erupted 18 times.
According to eruption data from the Center for Volcanology and Geological Hazard Mitigation (PVMBG) via the MAGMA Indonesia app, the observed ash column reached 700 meters above the crater, or 4376 meters above sea level.
The thick grey ash column drifted towards the southwest and west. This eruption was recorded on seismographs with maximum amplitude 22 mm and total duration 117 seconds.
(Read: 5.3 M Magnitude Earthquake Strikes 17 Km West of Pasuquin)
Per MAGMA Indonesia volcanic activity reports, Mount Semeru remains at Activity Level III (Alert Status). Seismic monitoring between 00:00 - 06:00 WIB on 21 May 2026 recorded 17 eruption earthquakes (amplitude 15-22 mm, duration 108-175 seconds), 1 rockfall earthquake (2 mm amplitude, 53 seconds) and 2 degassing tremors (1-2 mm amplitude, 48-61 seconds).
PVMBG prohibits all activities in the southeast sector along Besuk Kobokan river within 13 km from the summit. Outside this zone, people must avoid a 500 meter buffer zone along Besuk Kobokan river banks, as pyroclastic flows and lahars may reach up to 17 km from the crater.
As of 2026, MAGMA Indonesia has logged 2081 volcanic eruptions nationwide. Mount Semeru is the most active volcano with 1047 recorded eruptions.
(Read: Latest Five Earthquakes Recorded by BMKG (Saturday, 19 July 2025 18:25:55 WIB))
"Disclosure: This is an AI-generated translation of the original article. We strive for accuracy, but please note that automated translations may contain errors or slight inconsistencies."
Related Data
Latest Data Stories
Market Data
| Name | Value | % | |
|---|---|---|---|
| Economic growth | 5,11% | +0.08 | |
| Gini rasio (Sem2) | 0,38 | 0.00 | |
| PDB ADHK (Q1) | 3.447,70 | -0.77 | |
| Nilai Tukar USDIDR | 18 | +0.30 | |
| Neraca perdagangan (Mar) | 3,32 | +160.82 | |
| Ekspor Migas (Mar) | 1,28 | +18.60 | |
| Impor Migas (Mar) | 3,17 | +58.74 | |
| Ekspor (Mar) | 22,53 | +1.62 | |
| Impor (Mar) | 19,21 | -8.08 | |
| Kunjungan Wisman (Feb) | 1,16 | -2.42 | |
| Inflasi yoy (Apr) | 2,42% | -1.06 | |
| Inflasi mom (Apr) | 0,13% | -0.28 | |
| Persentase kemiskinan (Des) | 7,50% | -0.75 | |
| NTP (Apr) | 112,29 | +0.43 |
Trending Topics
Popular Data
