The European Space Agency (ESA) is Europe’s gateway to space. Its mission is to shape the development of Europe’s space capability and ensure that investment in space continues to deliver benefits to the citizens of Europe and the world.
Find out more about space activities in our 23 Member States, and understand how ESA works together with their national agencies, institutions and organisations.
Exploring our Solar System and unlocking the secrets of the Universe
Go to topicProtecting life and infrastructure on Earth and in orbit
Go to topicUsing space to benefit citizens and meet future challenges on Earth
Go to topicMaking space accessible and developing the technologies for the future
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The upward and downward displacement of the seafloor during the 28 December 2004 earthquake caused a change in the Earth¹s geoid.
The surface moved by around six metres and this caused the geoid to change by 18 millimetres.
The changes to the geoid are shown here with upward geoid movements in red and
downward ones in blue.