問題一覧
1
It is a catastrophic mudflow on the slopes of volcanoes
Lahar
2
This part of an earthquake is located beneath the earth
Hypocenter
3
Landslide is also known as?
Mass wasting
4
These are an essential part of subdividing the geologic time
Fossils
5
Tsunamis are created by weather disturbances such as an ______, _______, _____, or ______
Earthquake, Landslide, Volcanic eruption, Meteorite
6
It is the point on the Earth's surface directly above the focus
Epicenter
7
It is the discharge of materials and gas from the interior of the volcano to the surface and to the atmosphere
Volcanic eruptions
8
These are marker fossils used to define periods of Geologic Time.
Index fossils
9
It is dense mixture of gas, ash, and volcanic rocks
Basal flow
10
It includes pyroclastic surges and columns of ash
Turbulent ash cloud
11
The time line of the history of the earth based from the rock record
Geologic time scale
12
This is the sudden movement of the earth's crust that results from the release of accumulated strain from tectonic and volcanic activities
Earthquake
13
This refers to the actual location of the first motion that causes the earthquake
Hypocenter
14
These are planes of fracture in rock bodies
Faults
15
Movements of materials: volcanic eruptions
Basal flow, Turbulent ash cloud, Lahar
16
Effects of an earthquake
Ground shaking, Liquefaction, Surface faulting
17
It is the general term that refers to the movement of earth material down slopes
Landslides
18
Landslide types
Rockfall, Earthflows, Mudflows
19
Parts of an earthquake
Hypocenter, Epicenter, Faults
20
It is an important tool used to portray the history of the Earth-a standard timeline used to describe the age of rocks and fossils, and the events that formed them
Geologic time scale
21
It is a geologic hazard where series of waves are formed
Tsunami
22
Was assigned numerical dates through the radiometric dating of rocks
Geologic time scale
23
True or false The movement of tectonic plates can also cause tsunami.
True
24
A sub-discipline of stratigraphy which deals with the use of fossils in correlation and establishing the relative ages of rocks
Biostratigraphy
25
Hypocenter also called as?
Focus
26
4 types of geologic hazards
Earthquake, Landslide, Volcanic eruptions, Tsunami
27
It is where soil loses strength temporarily and behaves as a liquid
Liquefaction
28
Volcanic eruptions may cause _________, ______, and may release _________
Pyroclastic flows, Lahar, Toxic gases
29
Are composed of a mixture of water and volcanic materials
Mudflows
30
It is the fall of unconsolidated material
Rockfall
31
The vibration of the ground during an earthquake
Ground shaking
32
These are naturally occuring conditions that can cause immense damage to properties and loss of lives
Geologic hazards
33
It is the tearing of the ground surface caused by displacement along faults during earthquakes
Surface faulting
34
Evolution of earth's history
Fossils, Biostratigraphy, Index fossils, Geologic time scale
35
It occur when water seeps into the soil and bedrock causing breakage and flow
Earthflows
36
Geologic time scale is seperated in 4 major divisions
Eons, Era, Period, Epoch