Mount Bromo volcano steaming at sunrise in Java, Indonesia
Photo:Faris Hadziq

Java & Sunda Strait

Home to 150+ million people, Java is exposed to deep megathrust ruptures in the Java Trench and shallow crustal ruptures near major cities, like the 2006 Yogyakarta (M6.3) and 2022 Cianjur (M5.6) disasters.

Danger Level (72h)

72-hour composite hazard forecast

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Recent Quakes (14d)

Recorded in the selected 14d period

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Max Magnitude (14d)

Largest earthquake in the selected 14d period

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Tectonic Profile

Seismotectonic hazard assessment, structural exposure & historical context

Associated Faults4

Click to locate on map

Regional PopulationLandScan

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Living within seismically active radius (~300 km)

Building VulnerabilityModerate

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Mixed construction stock with regional engineering standards

Tectonic Setting

Convergent Margin

Critical Hazard

Major plate boundary with high strain accumulation

Seismically Stable Period

No significant earthquakes recorded in the selected 14d period.

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Oct 22, 08:35:04 PM
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Seismic Activity

Every recorded earthquake in this area — filter by time range and sort by time or severity.

No earthquake activity data available for this period.

Regional Volcanism & Monitored Vents

Active vents and Holocene volcanic structures within the monitored boundary (Java & Sunda Strait) · 32

2024
Krakatau
Caldera
Details
0.3 km
2026
Merapi
Stratovolcano
Details
2.9 km
2026
Semeru
Stratovolcano
3.7 km
2025
Dieng Volcanic Complex
Complex volcano
2.6 km
2025
Raung
Stratovolcano
3.3 km
2023
Tengger Caldera
Stratovolcano
2.3 km
2019
Tangkuban Parahu
Stratovolcano
2.1 km
2014
Slamet
Stratovolcano
3.4 km
2014
Kelud
Stratovolcano
1.7 km
2002
Papandayan
Stratovolcano
2.6 km
1999
Ijen
Stratovolcano
2.8 km
1984
Galunggung
Stratovolcano
2.2 km
1971
Sundoro
Stratovolcano
3.1 km
1957
Gede-Pangrango
Stratovolcano
3.0 km
1952
Arjuno-Welirang
Stratovolcano
3.3 km
1951
Ciremai
Stratovolcano
3.0 km
1939
Perbakti-Gagak
Stratovolcano
1.7 km
1938
Salak
Stratovolcano
2.2 km
1898
Lamongan
Stratovolcano
1.6 km
1847
Guntur
Complex volcano
2.3 km
1797
Merbabu
Stratovolcano
3.1 km
1730
Sumbing
Stratovolcano
3.4 km
—
Pulosari
Stratovolcano
1.3 km
—
Karang
Stratovolcano
1.8 km
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Patuha
Stratovolcano
2.4 km
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Tampomas
Stratovolcano
1.7 km
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Talagabodas
Stratovolcano
2.2 km
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Lawu
Stratovolcano
3.3 km
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Kawi-Butak
Stratovolcano
2.7 km
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Penanggungan
Stratovolcano
1.6 km
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Iyang-Argapura
Complex volcano
3.1 km
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Baluran
Stratovolcano
1.2 km
Catalogue: Smithsonian Institution, Global Volcanism Program.Volcanoes of the World