Scientists plan to take measurements to determine the epicenter of a series of moderate tremors along the Alaskan coast. Which tool would be most appropriate for the scientists to use?

seismograph

Explanation:

The epicenter is a point on the earth's surface vertically above the hypocenter or the focus of an earthquake.

A seismograph is an instrument that can be used to detect, record, and take measurements to determine the epicenter of a series of moderate tremors including earthquakes, volcanic eruptions, and explosions.

A seismograph comprises a mass attached to a fixed base.

answers.com says temperate reagions

river is shown in this type of map