Guided Practice 1 Directions: Determine whether the following statements describe intensity or magnitude. 1. Represented by Roman Numerals. 2. Represented by Arabic Numbers. 3. Determined by observing the effects of the earthquake on different places. 4. The measured energy released by the fault. 5. Determined by scientists using a seismograph. 6. To determine this, people are interviewed on what they saw, how they felt, and what they did. 7. A measure of the earthquake's strength.