Earthquakes

What are earthquakes?

Forces that cause earthquakes

Waves earthquakes generate

• Primary waves
• Secondary waves
• Surface waves

Earthquake history of the Philippines

• Most active fault lines : Marikina fault line and central Philippine fault line

MOnitoring and locating earthquake epicenters

• Richter scale
• Seismic networks
• Seismographs

What is engineering?

reduce loss of life through engineering

Preventative measures to reduce loss of life

• Monthly drills in major cities
• Message boards on major highways
• Rebuild for safer structures

Prediction