Multiple choice

The Gutenberg discontinuity is between

  1. the upper and the mantle

  2. the outer core and the lower mantle

  3. the crust and the mantle

  4. the inner and outer cores
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The Gutenberg discontinuity is located at a depth of about 2,900 km, marking the boundary between the Earth's lower mantle and the outer core. It is where seismic S-waves stop traveling, indicating the outer core is liquid.

Keep practicing — related questions