These Are the World's Largest Calderas

Hawaii's Kilauea Caldera at Twilight
Kevin Thrash/Moment/Getty Images

 The Biggest of the "Supervolcanoes"

What is a caldera?

Caldera nameCountryLocationSize
(km)
Most
recent
eruption*
La PacanaChile23.10 S
67.25 W
60 x 35Pliocene
Pastos
Grandes
Bolivia21.45 S
67.51 W
50 x 408.3 Ma
Kari KariBolivia19.43 S
65.38 W
30Unknown
Cerro GalanArgentina25.57 S
65.57 W
322.5 Ma
AwasaEthiopia7.18 N
38.48 E
40 x 30Unknown
TobaIndonesia2.60 N
98.80 E
100 x 3574 ka
TondanoIndonesia1.25 N
124.85 E
30 x 20Quaternary
Maroa/
Whakamaru
New
Zealand
38.55 S
176.05 E
40 x 30500 ka
TaupoNew
Zealand
38.78 S
176.12 E
351,800 yr
Yellowstone1USA-WY44.58 N
110.53 W
85 x 45630 ka
La GaritaUSA-CO37.85 N
106.93 W
75 x 3527.8 Ma
EmoryUSA-NM32.8 N
107.7 W
55 x 2533 Ma
BursumUSA-NM33.3 N
108.5 W
40 x 3028-29 Ma
Longridge
(McDermitt)1
USA-OR42.0 N
117.7 W
33~16 Ma
SocorroUSA-NM33.96 N
107.10 W
35 x 2533 Ma
Timber
Mountain
USA-NV37 N
116.5 W
30 x 2511.6 Ma
Chinati
Mountains
USA-TX29.9 N
104.5 W
30 x 2032-33 Ma
Long ValleyUSA-CA37.70 N
118.87 W
32 x 1750 ka
greater Maly
Semiachik/Pirog2
Russia54.11 N
159.65 E
50~50 ka
greater Bolshoi
Semiachik2
Russia54.5 N
160.00 E
48 x 40~50 ka
greater
Ichinsky2
Russia55.7 N
157.75 E
44 x 40~50 ka
greater
Pauzhetka2
Russia51 N
157 E
~40300 ka
greater
Ksudach2
Russia51.8 N
157.54 E
~35~50 ka

* Ma is million years ago, ka is thousand years ago, Pliocene is 5.3-1.8 Ma, Quaternary is 1.8-0 Ma. 

1 Yellowstone and Longridge are the ends of a chain of several large calderas extending beneath the Snake River Plain, each comparable in size.

2 The Russian calderas are informally named here for the smaller modern calderas and active volcanoes that lie within them.

Source: Cambridge Volcanology Group caldera database

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Alden, Andrew. "These Are the World's Largest Calderas." ThoughtCo, Sep. 20, 2016, thoughtco.com/worlds-largest-calderas-4090141. Alden, Andrew. (2016, September 20). These Are the World's Largest Calderas. Retrieved from https://www.thoughtco.com/worlds-largest-calderas-4090141 Alden, Andrew. "These Are the World's Largest Calderas." ThoughtCo. https://www.thoughtco.com/worlds-largest-calderas-4090141 (accessed September 20, 2017).