The top of Mauna Kea has no visible central caldera.
The last time Mauna Kea erupted was about 3600 years ago
The phonolite rock near the top was the last fluid flow .
Many years earlier.
The flanks may issue some more surprises at some point in time.
The last time Mauna Kea erupted was about 3600 years ago
The phonolite rock near the top was the last fluid flow .
Many years earlier.
The flanks may issue some more surprises at some point in time.
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