Alofaaga Blowholes, Natural blowhole formation in Taga village, Savai'i Island, Samoa.
Alofaaga Blowholes is a coastal natural formation on the island of Savai'i in Samoa, where seawater is pushed through underground lava tubes and forced upward through openings in the rock. Several vents run along the cliff edge, and the height of each water jet varies depending on the strength of the waves hitting the shore.
The lava tubes beneath the site formed thousands of years ago when volcanic activity on Savai'i created large tunnel systems under the coastal cliffs. The sea gradually eroded these passages over time, opening the vents that are visible today.
The people of the nearby village of Taga receive visitors directly at the site and are often present when tourists arrive. It is common to see locals bring coconuts to toss into the openings as a way of showing the power of the water below.
The rock surface near the vents is uneven and often wet, so sturdy footwear is a good idea before approaching the edge. The water shoots highest when the sea is rough, so a visit after stormy weather tends to offer the most activity.
Coconuts thrown into the vents sometimes fly higher than the water jets themselves, which gives a clear sense of how strong the underground pressure really is. This simple test with a coconut has become a regular part of how visitors experience the site.
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