TB 144 - Tsunami Response Plan Flashcards
(19 cards)
Tsunamis can reach speeds of how many miles per hour in deep water?
600 mph
What are 2 types of classified tsunamis?
Local and distant
What type of tsunami usually results from earthquakes occurring off nearby coasts?
Local
The travel time of the locally generated tsunamis may be within how many minutes?
5 to 30 minutes
For local tsunami events, members assigned to fire stations housing fire boats are advised to loosen moorings and self evacuate to where?
Higher ground without delay
What are key components to saving lives when trying to plan for local tsunamis?
Preparation, public outreach and safety
Which type of tsunami are the most common type observed along the pacific coast?
Distant
The time required for a distant tsunami to reach the Hawaiian and mainland coasts will vary between how many hours?
5 1/2 to 18 hours
In 2010, the state of California provided inundation mapping for what battalions?
4, 6, and 9
The inundated maps for battalions 4, 6, and 9 indicate the predicted what scenario?
Worst case
A strong earthquake felt along the coastal areas of the City, lasting longer than how many seconds should be considered a warning sign of potential tsunami?
20 seconds
Any LAFD member who defects an earthquake anywhere near LA shall immediately notify who?
MFC or MFC flood captain
The first visible indication of an approaching local source tsunami is often a recession of what?
Water
There are currently 7 types of tsunami alerts, updated messages from the WC/ATWC are every how many minutes?
30 minutes
Which tsunami alert is the highest level alert?
Tsunami warning
Which tsunami alert is the second highest alert?
Tsunami watch
For earthquake magnitudes between what, a tsunami warning is issued to areas within 217.5 miles along coast?
7.1 and 7.5
Earthquake magnitudes greater than what m, a tsunami warning is issued to areas within a 3 hour tsunami travel time zone?
7.5
Upon receiving notification of a tsunami warning with an estimated arrival time of how many hours, MFC will immediately place the department in level 3 tsunami mode?
0 to 4 hours
