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Table 7 Interpretation of the Mount Baker volcanic hazard map by response professionals and laypeople

From: Household preparedness motivation in lahar hazard zones: assessing the adoption of preparedness behaviors among laypeople and response professionals in communities downstream from Mount Baker and Glacier Peak (USA) volcanoes

 

Response professional

Laypeople

Which hazards impact the Skagit Valley? (n = 455)

 Thick tephra*

55%

41%

 Lava

30%

27%

 Lahar a

96%

95%

 Pyroclastic flow*

38%

25%

 Rock Fall

29%

25%

Does the hazard from Mount Baker increase, decrease, or remain the same with distance downstream? (n = 454)

 Increase

33%

28%

 Decrease

58%

60%

 Remain the same

10%

12%

Overall map interpretation

 Correctly identify hazard

37%

45%

 Correctly identify directionality of hazard

58%

60%

 Correctly interpret both hazard map Questions

27%

29%

  1. *Response frequencies significantly different at the p < 0.05 based on chi-square tests
  2. a 1 of 4 cells has minimum expected value less than 5