User Tools

Site Tools


messageearthquake

Tsunami Messaging Project

Note: if you are just landing on this page for the first time, you will find the background explanation, linked here helpful in understanding what this project intends to do and is about.

Table 11: Earthquake Shaking - Nature's Clue at the Beach

Backgrounder from Lori Dengler – article in the Time-Standard/Humboldt Beacon of March 9, 2014
Quite a great reminder: When in doubt, drill it out

Informative research:
Estimating the duration of an earthquake: Some shaky field observations

Things to consider: location, strength, length of time; ground shaking vs. earthquake

MessageSource
Ground shaking Living on Shaky Ground (Humboldt Earthquake Education Center-2011)
An earthquake in your area Tsunami Safety Rules (IOC-ITIC-NOAA 2013)
If you are on the beach or in a harbor and feel an earthquake - no matter how small How to Survive a Tsunami (CalOES 2009)
If you are in a coastal area and feel a strong earthquake Tsunami Awareness and Safety Fact Sheet (NTHMP-2014)
Strong ground shaking NTHMP Media Guide
Severe ground shaking from local earthquakes PTWC FAQ
A strong earthquake felt in a low-lying coastal area NTWC Tsunami Safety
A strong earthquake, felt in a coastal area, that causes difficulty standing Tsunami Zone brochure (2010)
Strong local earthquakes…. If the shaking causes you to fall or have difficulty standing Hawaii Hazard Information (NOAA/PSC, HI)
Very strong earthquake (it is difficult to walk, there are falling objects, damage to structures) Tsunami Safety Rules (UPRM)
A strong earthquake, or one that persists 2014 Tsunami Preparedness Week Story
the ground shakes strongly or for a long time under your feet Tsunami -- The Great Waves (IOC-ITIC-NOAA 2012)
If you are at the beach or near the ocean and you feel the earth shake strongly or for a long time Tsunami -- The Great Waves (IOC-ITIC-NOAA 2012)
Specific Length of Time
A strong earthquake lasts 30 seconds or longer and causes difficulty in standing. Readying Californians for a Tsunami: The Great ‘Harbor Wave’ (Caltrans - California Transportation Journal 2011)
If shaking lasts longer than 30 seconds Tsunami Evacuation Map (City of Seaside, OR 2013)
Hard ground shaking for 20+ seconds near the coast Tsunami FAQ (NTWC)
A strong earthquake lasting 20 seconds or more near the coast Tsunami Safety Checklist (Red Cross 2010)
If you feel more than 20 seconds of very strong ground shaking and are in a tsunami hazard zone How to Survive a Tsunami (CalOES 2009)
If you count 20 seconds or more of ground shaking and are located in a tsunami hazard zone How to Survive a Tsunami in Sausalito (Humboldt Earthquake Education Center 2011)
A strong earthquake lasting 20 seconds or more near the coast Tsunami Safety Checklist (Red Cross 2010)
Long duration earthquake (about 1 minute or more) Tsunami Safety Rules (UPRM)
messageearthquake.txt · Last modified: 2014/05/29 09:21 by rocky