[1] Before moving to Columbia in 2012, he was the director of the Department of Terrestrial Magnetism at the Carnegie Institution in Washington, D.C. His research area is in geophysics, including the fields of planetary geology, seismology, marine geophysics, and geodynamics.

[3] He is also a team member on the Gravity Recovery and Interior Laboratory mission and the Plume-Lithosphere Undersea Melt Experiment (PLUME).

For the next 20 years he was Director of the Department of Terrestrial Magnetism of the Carnegie Institution of Washington.

Solomon is the recipient of the 1999 G. K. Gilbert Award from the Geological Society of America and the Arthur L. Day Prize and Lectureship from the National Academy of Sciences also in 1999.

In 2005, Solomon was awarded the Harry H. Hess Medal by the American Geophysical Union.