EARTHQUAKE!

Moles?

Earthquake of October 15, 1979, El Centro, California. Magnitude 6.9

Did the science experiment go wrong?

Earthquake of March 28, 1964, Prince William Sound, Alaska. Magnitude 8.5

Now that really is a block of flats!

Earthquake of June 16, 1964, Niigata, Japan. Magnitude 7.4

New roller-coaster at Ocean Park?

Earthquake of April 29, 1965, Seattle, Washington. Magnitude 6.5

What happens when too many people move to one side of the house?

Earthquake of July 29, 1967, Caracas, Venezuela. Magnitude 6.6

What is the connection?

Same street before / after Earthquake of May 31, 1970, Huaraz, Peru. Magnitude 7.8

Fly-over or

fall-over?

Earthquake of January 17, 1995, Kobe, Japan. Magnitude 7.3

TSUNAMI!

How many?

There are around 500,000 detectable earthquakes in the world each year.

100,000 of those can be felt.

100 of them cause damage.

Location Date UTC Magnitude

1.Chile 1960 9.5

2.Alaska 1964 9.2

3.Sumatra 2004 9.1

4.Kamchatka 1952 9.0

5.Ecuador 1906 8.8

6.Alaska 1965 8.7

7.Sumatra 2005 8.6

8.Assam – Tibet 1950 8.6

9.Alaska 1957 8.6

10.Indonesia 1938 8.5

10 Largest recorded.

Where?

The majority of the earthquakes and volcanic eruptions occur along plate boundaries.

The most active plate boundaries are around the massive Pacific Plate commonly referred to as the Pacific Ring of Fire.

How deadly?

1. 1556 China, Shansi 830,000 8.0 2. 2004 Sumatra 283,106 9.03. 1976 China, Tangshan 255,000 7.5 4. 1138 Syria, Aleppo 230,000 ?5. 1927 China, near Xining 200,000 7.96. 856+ Iran, Damghan 200,000     ?7. 1920 China, Gansu 200,000 8.6   8. 893+ Iran, Ardabil 150,000     ?9. 1923 Japan, Tokyo 143,000 7.910. 1948 Turkmenistan 110,000 7.3  

The Earth’s Plates