TB 144 TSUNAMI RESPONSE PLAN

Question 1

TB 144 TSUNAMI

Tsunamis are typically classified as either local or distant.

The travel time of the locally generated tsunami, from initiation at the source to arrival at coastal communities may be within 5 to 30 minutes.

The time required for a distant tsunami to reach the Hawaiian and mainland coasts will vary between 5 1⁄2 to 18 hours,

Tsunamis from distant sources are the most common type observed along the Pacific Coast of the United States.

Answer 1

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Question 2

TB 144 TSUNAMI

A strong earthquake felt along the coastal areas of the City lasting longer than 20 seconds, should be considered a warning sign of a potential near source tsunami.

Answer 2

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Question 3

TB 144 TSUNAMI

In the event of a local source tsunami, the first wave will be the largest wave.

Answer 3

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Question 4

TB 144 TSUNAMI

In the event of a confirmed tsunami warning, evacuation of Los Angeles Fire Department (LAFD) resources from fire stations within the tsunami inundation zone and establishment of a Unified Command Post in affected Battalions are of the highest priority.

Answer 4

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Question 5

TB 144 TSUNAMI

Tsunami Warning 0 to 4 hours – Level III Tsunami Mode:

Tsunami Warning 4 to 8 hours – Level II Tsunami Mode:

Tsunami Warning 4 to 8 hours – Level II Tsunami Mode:

Answer 5

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Question 6

TB 144 TSUNAMI

Tsunamis may reach speeds of 600 miles per hour in deep water.

Answer 6

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Question 7

TB 144 TSUNAMI

The WC/ATWC updates messages every 30 minutes. Updated messages will be continued, expanded or restricted, upgraded or downgraded, or canceled. There are currently 7 types of tsunami alerts:

Tsunami Warning
Tsunami Watch
Tsunami Advisory
Tsunami Information Bulletin
Tsunami Information Message
Tsunami Cancellation
Tsunami Communication Test

Answer 7

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