Induced Seismicity and Energy Technologies - Induced Seismicity Potential in Energy Technologies - page 3

²

Activity
( Oil/Gas Extraction
( Secondary Recovery
( Wastewater Injection
( Reservoir Induced
( Geothermal
(

Mmax
< 3.0
3.0 - 4.0
4.0 - 5.0
5.0 - 6.0
6.0 - 7.0
>7.0

Hydraulic Fracturing (Shale Gas)

(

Other

Figure 1 Worldwide locations of seismicity reported in the technical literature caused by or likely related to
human activities, with the maximum magnitude reported to be induced at each site.

Activity
Oil/Gas Extraction
Secondary Recovery
Wastewater Injection
Reservoir Induced
Geothermal
Hydraulic Fracturing (Shale Gas)
Other

Mmax
< 3.0
3.0 - 4.0
4.0 - 5.0
5.0 - 6.0
6.0 - 7.0
>7.0

Figure 2 Locations of seismic events caused by or likely related to human activities within the coterminous
United States and portions of Canada as documented in the technical literature.