Residents in&nbsp;Innaarsuit&nbsp;are&nbsp;on standby for evacuation because a giant iceberg is looming over the island community in northwestern Greenland.

The iceberg is so big it's grounded on the sea floor.

At least 4 feared dead after tsunami in Greenland

Four people are feared dead after tsunami waves struck the coast of Greenland on Saturday night.

A still from a video shot on the shoreline of Nuugaatsiaq after tsunami waves struck the coast of Greenland on Saturday.

Greenland Flooding

A still from a video shows the shoreline of Nuugaatsiaq after tsunami waves struck the coast of Greenland on Saturday.

Glacier half the size of Manhattan breaks off Greenland

All was quiet on June 22 as Canadian scientists David and Denise Holland settled in for the night off Greenland’s Helheim Glacier. But within minutes, five to eight billion tons of ice had broken off into the water.

Helheim Glacier in southeast Greenland is visible during an Operation IceBridge flight on Sept. 11, 2016. 

Helheim Glacier Greenland

A picture taken during a NASA Operation IceBridge flight in 2016 shows Helheim Glacier in southeast Greenland.

On Tuesday a small section of it collapsed and caused&nbsp;large waves. Residents are afraid a tsunami will occur if the iceberg calves. Rivers near the community could also experience a water surge.

"There are 180 inhabitants and we are very concerned and are afraid," said Karl Petersen, chair for the local council in Innaarsuit.

Residents in houses near the shore are prepared for an evacuation.

Massive iceberg threatens tiny Greenland community

Residents fear iceberg may collapse and cause severe damage to coastal town

Petersen said&nbsp;Greenland's emergency responders are closely monitoring&nbsp;the iceberg. A Danish Royal Navy ship is also standing by.

Another concern is that the community's power plant is near the ocean, and large waves could destroy it. Rain in the forecast could also precipitate calving.

Petersen said everyone is hoping a strong wind will dislodge the iceberg and move it farther away from the community.

Innaarsuit is an island settlement in northwestern Greenland.

Innaarsuit Greenland

Innaarsuit, an island community in northwestern Greenland, is on standby for evacuation because a giant iceberg is looming over the community. 

Greenland community on high alert as massive iceberg looms

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