The document discusses geology, emphasizing the study of Earth's materials, structures, and processes, alongside geologic hazards which threaten life and property, such as earthquakes and volcanic eruptions. It outlines the distinction between geologic processes that shape the Earth and geologic hazards that pose risks to humans and the environment, highlighting various natural phenomena. Furthermore, it provides statistical information on the provinces in the Philippines that are at risk for earthquakes, volcanic eruptions, and landslides, and suggests community awareness activities regarding tsunami hazards.

2. Geologic Processes
and Hazards

7. GEOLOGY
- the study of the Earth and its history.
It involves studying the materials that
make up the earth, the features and
structures found on Earth, as well as the
processes that act upon them. It also deals
with the study of the history of all life
living on the earth now.

8. GEOLOGIC HAZARDS are extremely natural event that
are naturally occuring events in the crust of the Earth
that poses threat to life and property.
-earthquakes, volcanic eruptions, tsunami or
tidal waves, and landslides.
GEOLOGICAL PROCESSES are naturally occuring events
that directly or indirectly impact the geology of the
Earth.
-Plate tectonics, weathering, earthquakes,
volcanic eruptions, mountain formation, deposition,
erosion, drought, flooding, landslide.

9. Key Difference:
Geologic processes are the natural events that shape
the Earth’s surface, whereas geologic hazards are the
dangerous events that can arise from these processes
and have the potential to cause harm to people and the
environment.

11. is the minimal to rapid shaking
of the ground due to the
movement of rocks along faults
on Earth’s crust.
-it is a wave-like movement of
the earth’s surface.
a.Earthquake

12. A. Ground Shaking- vibration of the ground during
earthquake. Most obvious hazard earthquake cause.
B. Surface Faulting- displacement that reaches the
-breaking of the ground
C. Landslide-movement of a mass of rock, debris, or earth
down a slope. downward movement of the soil
D. Liquefaction- saturation of soil with water
E. Tsunamis-when shaking happens on the seafloor
Earthquake Hazards

16. Volcanic eruptions occur when molten
material from the Earth's interior is extruded
to the surface.
Volcanic
Eruption
Avalanches of hot materials, release of toxic
gas, and lava flows make volcanic eruptions
dangerous.

17. Volcanic Hazards
Volcanic Eruption occurs
when magma is released
from a volcano
A, Tephra- consist of pyroclastic fragments
B. Pyroclastic Flow- dense, fast moving flow of
solidified lava pieces, volcanic ash, and hot gases.
C. Lahar- mixture of rock and water that flows
down the slope of a volcano.
D. Lava flows and domes- composed of viscous
magma/lava being erupted onto the surface.
E. Poisonous Gases are gases released during
volcanic eruption.

18. Tephra pyroclastic Flow
Poisonous Gases
Lahar
Lava flows and dome
Flood

19. Hazards
are phenomena (natural or
man-made) which poses threat
to humans, animals, properties
and environment

20. • Natural
• Earthquakes
• Volcanic eruptions
• Landslides
• Tsunamis
• Climate/Weather hazards
Anthropogenic
• Deforestation
• Mining
• Landslides
Classification of
Hazards

22. is the movement of rock
down a slope
Landslide
• this is a natural hazard
but human activities may
speed up or trigger its
occurences.

26. • property damage, injury & death
• Affects- water supplies, fisheries, sewage
disposal systems, forests, dams roadways
• Negative Economic Effects- cost to repair
structures, loss of property value, disruption
of transpo routes, medical cost, indirect cost
(lost of timber and lost of fish stock)
Effects of Landslides

28. 1.Surigao Del Sur
2. La Union
3.Benguet
4.Pangasinan
5.Pampanga
6.Tarllac
7.Ifugao
8.Davao Oriental
9. Nueva Viscaya
10.Nueva Ecija
Top 10 Provinces
at Risk of Earthquakes
1.Camiguin
2.Sulu
3.Biliran
4.Albay
5.Bataan
6.Sorsogon
7.South Cotabato
8.Laguna
9.Camarines Sur
10.Batanes
Top 10 Provinces
at Risk of Volcanic Eruptons
1.Marinduque
2.Rizal
3.Cebu
4. La Union
5.Southern Leyte
6. Benguet
7.Nueva Viscaya
8.Batangas
9.Mountain Province
10.Romblon
Top 10 Most Landslides
Prone Provinces in the Phils.

29.  illustrates areas that are exposed or prone
to a particular hazard
 used to mitigate the potential negative
effects of hazards
Hazard Map

40. Thank You!

41. Activity: Tsunami Awareness Campaign
-Make a public awareness campaign aimed
at a coastal community about tsunamis. Create
a slogan on how you educate them.
Rubric:
Content: 10pts
Creativity-5pts
Presentation-5pts

42. Assessment:
Check Me Out
1. In the table below, put a check on the hazards that
you have experienced in your locality. Then explain
why these hazards happened to or country.
2. Why is the Philippines prone to geologic hazard?

43. Assignments
List down the several geologic
hazards that happened in our
country and explain how these
affect the people and the
environment.

44. 1
2
3
Does your area
experience any natural
hazards?
What are the damages
incurred when a natural
hazard hits the area?
Identify what time of the
year is the area at the
greatest risk.
Try It!