The Larsen C ice shelf has released an enormous iceberg

Larsen C is the fourth largest ice shelf in Antarctica. It has an area of about 50,000 sq km

5,800 sq km

iceberg

Antarctica

Larsen C

ice shelf

Estimated final

trajectory of

the rift

5,800 sq km

iceberg

Jun ‘17

25km

Jun ‘16

May ‘16

Larsen C ice shelf

How the rift advanced

It’s unknown how the rift spreads between observations

Jun ‘17

As the rift forked a new branch took the lead

 

180 km

The spreading of the rift slows when passing through softer ice that’s less likely to shatter

 

155

Jun ‘16

130

Steep jumps indicate the rift grew quickly

 

May ‘16

105

80

2011

2013

2015

2017

To illustrate the size of the iceberg, we overlaid it on the New York area

100 km

100 miles

Connecticut

Long

Island

New York City

Area of

5,000 sq km

Larsen C is the fourth largest ice shelf in Antarctica. It has an area of about 50,000 sq km

Estimated final

trajectory of

the rift

Jun ‘17

5,800 sq km

iceberg

Weddell Sea

Jun ‘16

May ‘16

25km

Larsen C ice shelf

How the rift advanced

Jun ‘17

Steep jumps indicate the rift grew quickly

 

180 km

As the rift forked a new branch took the lead

 

155

The spreading of the rift slows when passing through softer ice that’s less likely to shatter

 

Jun ‘16

130

May ‘16

It’s unknown how the rift spreads between observations

105

80

2011

2013

2015

2017

5,800 sq km

iceberg

To illustrate the size of the iceberg, we overlaid it on the New York area

Massachusetts

Connecticut

Antarctica

Long

Island

New York City

Larsen C

ice shelf

Area of

5,000 sq km

100 km

Pennsylvania

100 miles