🏥 Hospital · MA · Boston, MA
Massachusetts General Hospital MA
Mass General Brigham · Hurricane / Storm Surge / Noreaster
7/10
High
⚠ Superfund · KY · Hillsboro, KY
Maxey Flats Nuclear Waste KY
EPA Superfund · Low-Level Radioactive Waste / Groundwater Contamination / Tritium / Plutonium / Superfund
8/10
High
⚔ Military · AL · Montgomery, AL
Maxwell Air Force Base AL
US Air Force · Tornado / Flash Flooding / Severe Storm
6/10
Moderate
🏥 Hospital · MN · Rochester, MN
Mayo Clinic Rochester MN
Mayo Clinic · Tornado / Blizzard / Mass Casualty
7/10
High
⚔ Military · OK · McAlester OK
McAlester Army Ammunition Plant OK
US Army Joint Munitions Command · Munitions / Explosives / Strategic Military Supply
9/10
Critical
⚠ Superfund · CA · Fullerton, CA
McColl Superfund Site CA
Various / EPA · Toxic Contamination / Groundwater / Chemical Exposure
7/10
High
⚔ Military · KS · Wichita
McConnell Air Force Base KS
US Air Force / 22nd Air Refueling Wing
6/10
Moderate
⚠ Superfund · OR · Portland, OR
McCormick and Baxter Superfund OR
Various / EPA · Toxic Contamination / Groundwater / Chemical Exposure
7/10
High
☢ Nuclear Power Plant · NC · Huntersville
McGuire Nuclear Station NC
Duke Energy Carolinas
7/10
High
🏟 Stadium · TX · Waco, TX
McLane Stadium Waco TX
Baylor Bears / NCAA · Mass Casualty / Natural Disaster / Active Threat / Crowd Crush
6/10
Moderate
🌊 Dam · OR · Umatilla, OR
McNary Dam OR/WA
US Army Corps of Engineers · Dam Failure / Flash Flooding / Structural Risk
7/10
High
🏭 Food Processing · IN · Evansville, IN
Mead Johnson Reckitt Infant Formula Plant IN
Mead Johnson Reckitt · Contamination / Terrorism / Infant Formula / Supply Chain Concentration / Deliberate Poisoning
7/10
High
🏥 Hospital · TX · Houston, TX
Memorial Hermann Hospital Houston TX
Memorial Hermann Health System · Mass Casualty / Natural Disaster / Infrastructure Failure
7/10
High
🏥 Hospital · IN · South Bend, IN
Memorial Hospital South Bend IN
Beacon Health System · Mass Casualty / Natural Disaster / Infrastructure Failure
6/10
Moderate
🏥 Hospital · IL · Springfield, IL
Memorial Medical Center Springfield IL
Memorial Health · Mass Casualty / Natural Disaster / Infrastructure Failure
6/10
Moderate
🏟 Stadium · IL · Champaign, IL
Memorial Stadium Champaign IL
Illinois Fighting Illini / NCAA · Mass Casualty / Natural Disaster / Active Threat / Crowd Crush
6/10
Moderate
🏟 Stadium · NE · Lincoln, NE
Memorial Stadium Lincoln NE
Nebraska Cornhuskers / NCAA · Mass Casualty / Terrorism / Natural Disaster / Crowd Crush
6/10
Moderate
🌊 Dam · MO · St. Louis, MO
Meramec River Levee System MO
US Army Corps of Engineers · Levee Failure / Flash Flooding / Inundation
7/10
High
🏟 Stadium · GA · Atlanta, GA
Mercedes-Benz Stadium Atlanta GA
Atlanta Falcons / NFL · Mass Casualty / Terrorism / Natural Disaster / Crowd Crush
7/10
High
🏥 Hospital · OH · Toledo, OH
Mercy Health St. Vincent Toledo OH
Mercy Health · Mass Casualty / Natural Disaster / Infrastructure Failure
6/10
Moderate
🏥 Hospital · IA · Des Moines, IA
MercyOne Des Moines Medical Center IA
MercyOne · Mass Casualty / Natural Disaster / Infrastructure Failure
6/10
Moderate
⚡ Power Plant · CA · Menlo Park, CA
Meta Menlo Park CA Headquarters
Meta Platforms Inc. · Cyberattack / Economic Disruption / Natural Disaster / Fire
7/10
High
⚡ Power Plant · CA · Coyote, CA
Metcalf Substation CA
PG&E · Physical Attack / EMP / Cyberattack / Wildfire
9/10
High
⚡ Power Plant · CA · Coyote, CA
Metcalf Transmission Substation San Jose CA
PG&E Pacific Gas and Electric · Terrorism / Sniper Attack / Grid Failure / Silicon Valley Power / San Andreas
9/10
Critical
🏟 Stadium · NJ · East Rutherford, NJ
MetLife Stadium East Rutherford NJ
New York Giants New York Jets / NFL · Mass Casualty / Terrorism / Natural Disaster / Crowd Crush
8/10
High
🏥 Hospital · OH · Cleveland, OH
MetroHealth Medical Center Cleveland OH
MetroHealth System · Mass Casualty / Natural Disaster / Infrastructure Failure
7/10
High
💧 Water Treatment · CA · Los Angeles, CA
Metropolitan Water District of Southern California CA
Metropolitan Water District
8/10
High
💧 Water Treatment · FL · Miami, FL
Miami Dade Water Chlorine Storage FL
Miami-Dade Water and Sewer Department · Terrorism / Chlorine Release / Dense Population / Sleeper Cell / South Florida
8/10
High
📡 Telecom · FL · Miami, FL
Miami FL Submarine Cable Landing Station
Various · Cable Cut / Cyberattack / Natural Disaster
9/10
High
🏟 Stadium · FL · Miami, FL
Miami International Airport FL
Miami-Dade County · Hurricane / Storm Surge / Flooding
8/10
High