Solve the Problem $1,258,925$ Times More Powerful Than a Reference Level Earthquake, Or

question 426

Multiple Choice

Solve the problem.
-An earthquake was recorded with an intensity which was $1,258,925$ times more powerful than a reference level earthquake, or $1,258,925 \cdot \mathrm { I } 0$ . What is the magnitude of this earthquake on the Richter scale (rounded to the nearest tenth) ? Intensity on the Richter scale is $\log _ { 10 } ( \mathrm { I } / \mathrm { I } 0 )$ .

• A) \(14.0\)
• B) \(0.6\)
• C) \(6.1\)
• D) \(5.1\)

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Definitions:

Steep Slopes

Steep slopes are areas of land with a sharp inclination, often leading to rapid erosion, landslides, or provide distinctive habitats for flora and fauna.

Flood Basalts

Vast areas covered by large volumes of basalt lava, which erupt during major volcanic episodes.

Siberia

A vast geographic region, covering most of North Asia, known for its harsh climate, extensive boreal forests, and significant mineral resources.

Ocean Plateaus

Large, elevated areas on the ocean floor, generally volcanic in origin, rising several hundred meters above the surrounding seafloor.