Measuring and Locating Earthquakes

Ava, William, and Kai are discussing earthquakes. They want to know which scale measures the earthquake's amplitude. Can you help them?

• Mercalli Scale

• Richter Scale

Ava, William, and Arjun are discussing earthquakes. They want to know which scale measures the intensity of an earthquake, but they also know that witnesses may not accurately describe intensity. Can you help them out?

• Mercalli Scale

• Richter Scale

During a thrilling geography class, Sophia, Grace, and Elijah discover a fascinating theory that explains how plates “float” and their interactions are linked to earthquakes, volcanic activity, and the formation of mid-ocean ridges, trenches, mountains, and chains of volcanic islands. Can you guess the name of this captivating theory?

• Pangea

• Plate Tectonics

• Fault Zone

• Earthquake Theory

Tags

NGSS.MS-ESS2-3

NGSS.MS-ESS3-2

While exploring a mysterious cave, David, Abigail, and Mason stumbled upon a fracture in bedrock, along which blocks of rock on opposite sides of the fracture move. What is this phenomenon called?

• fault

• focus

• epicenter

Arjun, Grace, and Kai are on a field trip to learn about earthquakes. They come across a term that describes the location where the rupture of an earthquake begins and energy is released. What is this term called?

• fault

• focus

• epicenter

Jackson, Avery, and Aria are curious scientists trying to determine the distance of the _____________. To do this, they need to use the arrival times of primary and secondary waves. Can you help them figure out what they're measuring?

• focus

• earthquake

• epicenter

Maya, Abigail, and Scarlett are on a mission to locate the epicenter of an earthquake! They decide to triangulate data from different seismographs, using the _________ of each circle, which represents the distance from the seismograph to the epicenter. Can you help them figure out what they should use?

• arrival

• radius

• magnitude

• intensity

During a class discussion on earthquakes, Ava, Luna, and Oliver were discussing the different types of earthquake waves. They came across a wave that follows the main shock of an earthquake. What is this wave called?

• Aftershock

• Primary Wave

• Secondary Wave

• Fault

Sophia and Noah are on a treasure hunt and they stumble upon a paper printout that records earthquake waves. What is this paper printout called?

• seismograph

• seismogram

Abigail, Charlotte, and Liam are on a mission to find out which scale can accurately measure Earthquakes with a magnitude of 8+. Can you help them out?

• Richter Scale

• Moment Magnitude Scale

• Mercalli Scale