National Geographic USA – June 2019

Surabaya

2,922,000

Semarang

1,833,000

Cirebon

317,000 people

Bandung

2,558,000

Tasikmalaya

1,000,000

Purwokerto

234,000

Bogor

1,137,000 people

Salak Satu

Gede

Perbakti

Cereme

Ungaran

Welirang

Tampomas

Galunggung

Slamet

Merbabu

Merapi

Semeru

Guntur

Tangkubanperahu

JAVA

Madura

PACIFIC

OCEAN

Jakarta Semarang

Surabaya

ENLARGED

AT LEFT

Direction of view

Volcano

Ring

of Fire

Yogyakarta

434,000

FIERY RING

BY MANUEL CANALES AND MATTHEW W. CHWASTYK

triggering huge quakes and eruptions—and threatening millions.