This document summarizes different types of natural and man-made disasters. It describes natural disasters such as tornadoes, lightning, earthquakes, cyclones, and tsunamis. It provides details on the causes and characteristics of each type of natural disaster. The document also summarizes some common man-made disasters including war, viruses, factory waste, bacteria, and crime. It briefly explains each type of man-made disaster and its impacts.

1. ON
DISTER
MANAGEMENT

2. TWO TYPES OF DISASTER
ATURAL
AN-MADE

3. NATURAL
DISASTERS

4. TORNADO

5. TORNADO
A tornado is a violently rotating column
of air that is in contact with both the surface of
the earth and a cumulonimbus cloud or, in rare
cases, the base of a cumulus cloud. They are
often referred to as twisters or cyclones,[1]
although the word cyclone is used in
meteorology, in a wider sense, to name any
closed low pressure circulation. Tornadoes
come in many shapes and sizes, but they are
typically in the form of a visible condensation
funnel, whose narrow end touches the earth
and is often encircled by a cloud of debris and
dust.

6. LIGHTNING

7. LIGHTNING
 Lightning is a massive electrostatic discharge
between electrically charged regions within clouds,
or between a cloud and the Earth's surface. The
charged regions within the atmosphere temporarily
equalize themselves through a lightning flash,
commonly referred to as a strike if it hits an object on
the ground. There are three primary types; from a
cloud to itself (intra-cloud or IC); from one cloud to
another cloud (CC) and finally between a cloud and
the ground (CG). Although lightning is always
accompanied by the sound of thunder, distant
lightning may be seen but be too far away for the
thunder to be heard.

8. EARTH QUAKE

9. EARTH QUAKE
 An earthquake (also known as
a quake, tremor or temblor) is the result of a sudden
release of energy in the Earth'scrust that creates
seismic waves. The seismicity, seismism or seismic
activity of an area refers to the frequency, type and size
of earthquakes experienced over a period of time.
 Earthquakes are measured using observations from
seismometers. The moment magnitude is the most
common scale on which earthquakes larger than
approximately 5 are reported for the entire globe. The
more numerous earthquakes smaller than magnitude 5
reported by national seismological observatories are
measured mostly on the local magnitude scale, also
referred to as the Richter scale

10. TYPES OF EARTH QUAKE

11. CYCLONE

12. CYCLONE
 In meteorology, a cyclone is an area of closed, circular
fluid motion rotating in the same direction as the Earth
. This is usually characterized by inward spiraling winds
that rotate anti-clockwise in theNorthern Hemisphere
and clockwise in the Southern Hemisphere of the Earth.
Most large-scale cyclonic circulations are centered on
areas of low atmospheric pressure. The largest low-pressure
systems are cold-core polar cyclones and
extratropical cyclones which lie on the synoptic scale.
According to NHC glossary, warm-core cyclones such as
tropical cyclones and subtropical cyclones also lie within
synoptic scale. Mesocyclones, tornadoes and dust devils
lie within the smaller mesoscale

13. TSUNAMI

14. TSUNAMI
 A tsunami (plural: tsunamis or tsunami; from
Japanese: 津波, lit. "harbour
wave"; English pronunciation: /suːˈnɑːmi/ soo-
NAH-mee or /tsuːˈnɑːmi/ tsoo-NAH-mee) is a
series of water waves caused by the
displacement of a large volume of a body of
water, generally an ocean or a large lake.
Earthquakes, volcanic eruptions and other
underwater explosions(including detonations
of underwater nuclear devices), landslides,
glacier calvings, meteorite impacts and other
disturbances above or below water all have
the potential to generate a tsunami.

15. MAN-MADE
DISASTERS

16. CONTENTS
WAR
VIRUS
FACTORY WASTE
BACTERIA
CRIME

17. WAR
WAR IS A MAJOR PROBLEM NOW A
DAYS.
DURING WAR PEOPLE FROM BOTH
SIDE ARE DIED.
DURING WAR PEOPLE USE GUNS
AND CANNON TO KILL OTHERS.

18. VIRUS
A virus is a small infectious agent that replicates
only inside the living cells of other organisms.
Viruses can infect all types of life forms, from
 animals and plants to bacteria and archaea.[1]

19. FACTORY WASTE
FACTORY waste is the waste produced by
industrial activity which includes any material that
is rendered useless during a manufacturing process
such as that of factories, mills and mines. It has
existed since the outset of the industrial revolution.

20. BACTERIA
Bacteria (i/bækˈtɪəriə/; singular: bacterium)
constitutealarge domain of prokaryotic
microorganisms. Typically a
few micrometres in length, bacteria have a
number of shapes, ranging from spheres to
rods and spirals.
BACILLI

21. CRIME
In ordinary language, the term crime denotes an
unlawful act punishable by a state.[1] The term
crime does not, in moderncriminal law, have any
simple and universally accepted definition,
[2] though statutory definitions have been provided
for certain purposes.