Quaking house

Concept check -
Quaking house

Definition of epicenter

How earthquakes radiate

Magnitude scales

Mercalli intensity scale

Marathon analogy

Travel-time graph

S-P lagtime graph

Circles

Circle questions

Trilateration

Map of faults and geology - California

Activity - Seismogram
Fix in progress: Data entry on fullscreen.

Earthquakes used in this activity & Google Earth locations

Shake map example
Northridge earthquake, 1994

Summary of trilateration method

Practice: Reading analog clocks

Practice: Conceptualizing timelag on a clock

How rocks are distorted when seismic waves move through them

Static seismograms

Location of Seismic Stations - ANZA Seismic Network

Plate motion measured by GPS

How scientists think the ground will shake if there's an earthquake east of San Diego