Question

base your answers to questions 31 through 33 on the passage and map below and on your knowledge of earth science. the passage describes the march 11, 2011, earthquake that occurred off the coast of japan and the tsunami that it generated. the map shows the location of the earthquake epicenter and the tsunami travel times across the pacific ocean. earthquake and tsunami rattle the pacific at 2:46 p.m., in japan, on friday, march 11, 2011, a magnitude 9.0 earthquake occurred below the ocean floor, at a depth of 18.6 miles under the ocean surface. the epicenter was located approximately 80 miles off japans eastern coast at the approximate coordinates of 38°n 142°e. the earthquake shook buildings across japan and generated a 7 - meter - high tsunami that killed thousands of people as it engulfed towns on the northern coast of japan. the tsunami also occurred along the coasts of other countries and islands in the pacific ocean. the tsunami first arrived at the hawaiian island of maui seven hours after the earthquake occurred. 31. identify one safety precaution that residents of maui could have undertaken in response to the tsunami warning. 1 32. identify the type of seismic wave traveling through earths crust that was the first to arrive at earthquake recording stations located in japan. 1 33. identify the type of plate boundary where the earthquake occurred. 1

Explanation:

Question 31

To respond to a tsunami warning, residents of Maui could evacuate to higher ground (like hills or mountains) to avoid the incoming tsunami's floodwaters. Moving inland and to elevated areas is a key safety measure as tsunamis cause coastal flooding, and higher ground is safer from the water's impact.

Seismic waves have two main types: body waves (P - waves and S - waves) and surface waves. P - waves (primary waves) are longitudinal waves that travel the fastest through Earth’s crust and are the first to arrive at recording stations. They can move through solids, liquids, and gases, and their speed makes them the initial arrivals at stations close to the epicenter (like in Japan here).

The earthquake off Japan’s coast occurred at a convergent plate boundary (specifically an ocean - ocean convergent boundary, where the Pacific Plate is subducting beneath the North American Plate or the Okhotsk Plate). Convergent boundaries involve plates colliding, and subduction (one plate going under another) occurs here, which is typical for earthquake - prone regions like Japan (part of the Ring of Fire, where subduction zones are common).

Answer:

One safety precaution is evacuating to higher ground (e.g., moving to a hill, mountain, or an elevated area away from the coast).

Question 32