🏙️ Yogyakarta

Indonesia · Population 422,732 · Elevation 113 m · Airport YIA

Volcanic Risk Profile

Yogyakarta — Java's cultural capital — sits 28 km south of Mount Merapi, one of Indonesia's most active volcanoes. The city's historic Kraton (Sultan's palace) lies on a north–south axis aligned with Merapi, reflecting centuries of cultural integration with the volcano. PVMBG monitors Merapi continuously from the Babadan and Selo observatories.

Nearby Active Volcanoes

🌋 Mount Merapi28 km away

View live Volcash score and eruption history →

Distance from city center to Mount Merapi crater: 30 km (great-circle).

Notable Eruptions Affecting Yogyakarta

2010

Merapi

VEI-4 eruption; 353 deaths; pyroclastic flows reached 18 km; 350,000 evacuated; Jogja airport closed for 3 days.

2018

Merapi

Phreatic explosions; airport ash closure; 120 km plume.

2021

Merapi

Ongoing dome growth; pyroclastic avalanches affect southern slopes.

Evacuation & Civil Protection

BNPB (national) + BPBD-DIY (provincial) coordinate. 4-tier alert system (Normal/Waspada/Siaga/Awas). At Awas (Level 4), 8 km exclusion zone enforced; ~50,000 residents relocate to barracks. YIA airport (Kulon Progo) is the alternate when ash closes Adisutjipto.

Health & Air Quality

Sardjito Hospital coordinates pulmonary triage. Indonesian Red Cross (PMI) distributes N95s within 24 hours of any Merapi alert escalation.

Current Conditions

View real-time volcanic ash levels for Yogyakarta on the interactive 3D map.

Check Live Volcash Score →

Activity Safety Thresholds

Volcash score limits beyond which each activity is no longer recommended for Yogyakarta residents:

Running≤ 50

3–5× breathing volume

Cycling≤ 50

High respiratory load

Hiking≤ 50

Mountain ash accumulation

Children outdoors≤ 30

Higher intake per body weight

Driving≤ 150

Visibility-limited

General outdoors≤ 100

Walking, shopping, commuting