Earthquake Presentation by Paris_Girl_123

Earthquake Definition and Fact

carissagurka — 2025-04-23 12:38:44 UTC

FUN FACT: The Valdivia Earthquake, which struck Chile on May 22, 1960, is the largest earthquake ever recorded, with a magnitude of 9.5. It's also known as the Great Chilean Earthquake

DEFINITION: A sudden and violent shaking of the ground, sometimes causing great destruction, as a result of movements within the earth's crust or volcanic action.

Shear Stress

carissagurka — 2025-04-23 12:50:28 UTC

Shear force is a term used in engineering to describe the force that acts parallel or tangential to a surface, causing it to deform or slide, during earthquakes.

The Quaker App

carissagurka — 2025-04-23 13:04:26 UTC

The Quaker app is a digital platform and app designed for Quaker meetings and groups to connect, share information, and manage their online activities

My Shake App

carissagurka — 2025-04-23 13:07:55 UTC

The MyShake app is a free earthquake early warning app available on both iPhone and Android

Compression V.S. Tension

carissagurka — 2025-04-23 13:12:28 UTC

Tension refers to a force that stretches or pulls on an object, while compression is a force that squeezes or pushes on an object. Tension is characterized by forces pulling away from each other.

While compression is the act of pressing something into a smaller space or putting pressure on it from different sides until it gets smaller: Tectonic forces caused compression in the earth's crust.

carissagurka — 2025-04-23 13:15:27 UTC

Definitions: Strain, Ductility, Elasticity, Brittle, Brittle Fracture

carissagurka — 2025-04-23 13:23:05 UTC

To be strained means to be in a state of tension, either physical or emotional, and often involving an unnatural or forced effort.
Ductility is a material's ability to deform plastically before breaking.
Elasticity refers to a material's ability to return to its original shape after stress is removed.
Brittle describes a material that fractures with little deformation before failure.
Brittle fracture is a type of fracture characterized by little or no plastic deformation before fracture.

Joints V.S. Faults

carissagurka — 2025-04-23 13:33:43 UTC

Faults and joints are both types of rock fractures, but they differ in the presence of displacement. Faults are fractures where rocks on either side of the break have moved past each other, while joints are fractures where little to no movement has occurred. Joints are natural fractures in rock where little to no displacement has occurred.

San Andres Fault

carissagurka — 2025-04-23 13:36:40 UTC

The San Andreas Fault is a major strike-slip fault where the Pacific Plate and North American Plate slide past each other horizontally. It's located in California and is known for causing earthquakes. The plates are moving about 2 inches per year.

Earthquake Damage And Safety Tips

carissagurka — 2025-04-23 13:41:24 UTC

DAMAGE: Earthquakes primarily cause damage through ground shaking, which can lead to structural failure, ground rupture, and secondary hazards like landslides and tsunamis.

SAFETY TIPS:

1. If you are inside, stay and do not run outside and avoid doorways.

If you are in bed, turn face down and cover your head and neck with a pillow.
If you are in a car, pull over and stop. Set your parking brake.
If you're outside, stay there.

Reflection

carissagurka — 2025-04-23 13:44:44 UTC

From a Christian worldview, natural disasters are often viewed as a consequence of the fall of humanity into sin, and they can be seen as both a reminder of the world's brokenness and an opportunity for spiritual growth and service.

Psalm 28:7 states, "The Lord is my strength and my shield; my heart trusts in him, and he helps me. My heart leaps for joy, and with my song I praise him."