Hazard Comparisons, NSHM23 vs NSHM18

This page compares NSHM23 and NSHM18 hazard maps, computed externally with nshmp-haz. Each individual ERF contributor to hazard changes are plotted separately, but GMMs are held constant.

Download map CSVs: maps_TWO_IN_50.csv maps_TEN_IN_50.csv

Table Of Contents

Full Model Comparison

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Full model comparison, including fault, gridded, and subduction model changes.

Full Model Comparison, 2% in 50 year

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NSHM23NSHM18
MapMap

Ratio

Difference

MapMap

Full Model Comparison, 10% in 50 year

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NSHM23NSHM18
MapMap

Ratio

Difference

MapMap

Fault-Only Comparison

(top)

Fault-only comparison, holding gridded and subduction sources constant (using those from NSHM23).

Fault-Only Comparison, 2% in 50 year

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NSHM23NSHM18
MapMap

Ratio

Difference

MapMap

Fault-Only Comparison, 10% in 50 year

(top)

NSHM23NSHM18
MapMap

Ratio

Difference

MapMap

Gridded-Only Comparison

(top)

Gridded-only comparison, holding fault and subduction sources constant (using those from NSHM23).

Gridded-Only Comparison, 2% in 50 year

(top)

NSHM23NSHM18
MapMap

Ratio

Difference

MapMap

Gridded-Only Comparison, 10% in 50 year

(top)

NSHM23NSHM18
MapMap

Ratio

Difference

MapMap

Subduction-Only Comparison

(top)

Subduction-only comparison, holding fault and gridded sources constant (using those from NSHM23).

Subduction-Only Comparison, 2% in 50 year

(top)

NSHM23NSHM18
MapMap

Ratio

Difference

MapMap

Subduction-Only Comparison, 10% in 50 year

(top)

NSHM23NSHM18
MapMap

Ratio

Difference

MapMap