MO
New Madrid, Missouri
SN
Northern Sonora, Mexico
AK
Yakutat Bay, Alaska
Southeast Alaska
AR
Northeast Arkansas
CA
Near San Francisco, California
South of Bakersfield, California
North of San Fernando, California
Near Cape Yakataga, Alaska
Prince William Sound, Alaska
Owens Valley, near Lone Pine, California
Imperial Valley, near El Centro, California
PQ
Saint Lawrence River valley region, Quebec, Canada
HI
Near south coast of Hawaii
MT
Hebgen Lake, Montana
BN
Baja California, Mexico
NF
Grand Banks of Newfoundland, Canada
NV
Pleasant Valley, Nevada
Cedar Mountain, Nevada
Dixie Valley-Fairview Peak area, Nevada
Dixie Valley-Fairviw Peak area, Nevada
SC
Charleston, South Carolina
Near Islands, Aleutian Islands, Alaska
Near Fort Tejon, California
Near Hayward, California
Near Round Valley, California
Near Vacaville, California
Near Winters, California
Hemet-San Jacinto, California
Near San Jacinto, California
Cholame Valley area, California
Near Santa Barbara, in the Santa Barbara Channel, California
Imperial Valley area, on the Baja Calif., Mexico-California
Northeast of Santa Cruz and about 7 km south of Loma Prieta
Landers, California
Probably in the Saint Lawrence River valley, Quebec, Canada
Saint Lawrence River valley, Quebec, Canada
Kaimu, Hawaii
ID
Borah Peak, Idaho
Fallon-Stillwater area, Nevada
Fallon-Stillwater, Nevada
WA
Near Lake Chelan, Washington
Northridge, California
PR
Northwestern Mona Passage
Southern California
Chirikof Island, Alaska
Sitka, Alaska
Kodiak Island region, Alaska
Prince William Sound region, Alaska
Central Alaska
Fairbanks area, Alaska
Kenai Peninsula, Alaska
Andreanof Islands, Aleutian Islands, Alaska
BC
Strait of Georgia, B.C., Canada
Los Angeles region, California
San Francisco, California
Southwest San Bernardino County, California
West of Ventura in Santa Barbara Channel, California
San Francisco Bay area, California
San Francisco area, California
Near San Gabriel, California
Near San Bernardino, California
Near Dublin, California
Santa Cruz Mountains, California
Near Crescent City, California
Near Corralitos, California
Near Napa, California
California-Mexico border
Near Newhall, California
Near Gilroy, California
Southern Sonoma County, California
Near Greenwood, California
Lytle Creek Canyon, California
Near Parkfield, California
Near los Alamos, California
Near Brawley, California
Near Scotia, California
Near Coyote, California
Near Los Alamos, California
North of Calexico, Imperial Valley, California
Near Indlewood, California
Off the coast of Humboldt County, California
Imperial Valley, California
Off the coast of Santa Barbara County, west of Lompoc, Calif
Off the coast of Humboldt County, west of Eureka, California
Southeast of Long Beach, near Newport Beach, California
Near Santa Barbara, California
Near Gardena, California
Near Calipatria, California
East of Bakersfield, California
East of Watsonville, California
Near Santa Rosa, California
Near Oroville, California
Near Coalinga, California
Near Morgan Hill, California
Near Whittier Narrows, California
Island of Hawaii
Near Lanai, Hawaii
Kona, Hawaii
Kau District, Island of Hawaii
Near Napoopoo, Hawaii
Near northeast coast of island of Hawaii.
Southeast coast of island of Hawaii
Eastern Idaho
MA
East of Cape Ann, Massachusetts
MI
Houghton, Michigan
Near Charleston, Missouri
Clarkston Valley, north of Gallatin County, Montana
Helena, Montana
Southwest Montana
Near Carson City, Nevada
Excelsior Mountains, Nevada
NY
Attica, New York
Between Cornwall, Ontario, Canada and Massena, New York
OH
Near Anna, Ohio
TX
Near Valentine, Texas
UT
Southern Utah
Pine Valley, Utah
Elsinore, Utah
Near Kosmo, Hansel Valley, Utah
VA
Giles County, Virginia
Puget Sound area, Washington
Virgin Islands
Santo Domingo, Dominican Republic
Near Coast of Northern Calif.
Shumagin Island-Kodiak Island region, Alaska
Kodiak Island, Alaska
Priblof Islands, Alaska.
Kodiak Island
Unalaska Island, Alaska
Prince William Sound Region, Alaska
Yakutat Bay,Alaska
Gulf of Alaska, Alaska
Cook Inlet, Alaska
AL
Irondale, Alabama
Near Rison and Warren, Arkansas
Marked Tree, Arkansas
AZ
Flagstaff, Arizona
Coconino National Forest, near Flagstaff, Arizona
Northern Arizona
Near San Juan Bautista, California
San Diego region, California
San Louis Obispo, California
South of San Francisco in San Mateo County, California
North of San Jose, California
Near Eureka, California
Near San Diego, California
Bennett Valley, California
Near Ukiah, California
Near Santa Cruz, California
Near Mattole, California
Near Petrolia, California
North of Imusdale, California
Santa Cruz area, California
Near Susanville, California
South of Hollister
Southern San Benito County, California
Near Halfway House, California
Near Cromberg, California
West of Antioch, California
North of Susanville, California
Near Ferndale, California
East of Santa Rosa, California
Southern Humboldt County, California
Near Watsonville, California
Near San Francisco, in northern San Mateo County, California
Northeast of Watsonville, California
South of Elmira, California
Near San Jose, California
Near Willows, California
Honey Lake region, California
Upper Mattole, California
South of Downieville, California
Lake Elsinore region, California
Santa Clara County, California
Near Whitmore, California
Near Paicines, California
Near Lebec, California
Near Avila, California
Downieville, California
Near Maricopa, California
Hot Springs, California
Near Redlands, California
Off the coast of Monterey County, California
Near Whittier, California
Southeast of Aberdeen, California
Near Summit, California
Near Westmorland, California
Santa Monica Bay, west of the Los Angeles Basin, California
Near Niles, California
San Francisco Bay region, California
Southwest of Hollister, California
North of Paradise, California
North of Walker Pass, California
Near Manix, California
Near Desert Hot Springs, California
West of Reno, Nev.
Northwest of Hollister, California
Near Herlong, California
Off Cape Mendocino, California
Kern County, California
Southwest of Petrolia, California
Near Bryson, California
Brawley area, California
West of Wheeler Ridge, California
Near Eureka-Arcata, California
East of San Jose, California
Concord-Walnut Creek area, California
West of Daly City, California
Southwest end of Salton Sea, California
Northeast of Loyalton, California
South of Hollister, California
Near Lakeport, California
Southeast of Newberry, California
Near Boca, California
Borrego Mountain, near Ocotillo Wells, California
Near Borrego Springs, California
Lytle Creek area, California
Near San Fernando, California
Off the coast of Ventura County, near Point Mugu, California
Galway Lake area, California
Near Fontuna, California
Near Willits, California
Near Goleta, California
Near Landers, California
North of Livermore Valley, California
Near Livermore, California
Mammoth Lakes area, California
Near North Palm Springs, California
West of Westmorland, California
Near Redwood Estates, California
Off coast of Northern California
CO
Near Denver, Colorado
CT
Near Moodus, Connecticut
DE
Near New Jersey border, Deleware
Near the island of Hawaii
Hilo, Hawaii
Mauna Loa, Hawaii
Kilauea, Hawaii
Honolulu, Hawaii
North of island of Maui, Hawaii
Near Kilauea caldera, Hawaii
Near Kalapana, Puna District, Hawaii
Paris, Idaho
Near Shoshone, Idaho
Boise, Idaho
Near Sheep Mountain, southwest Idaho
IL
Southern Illinois
Wabash River valley, Illinois
Near Mount Vernon, Illinois
Mississippi River Valley, Illinois
Aurora, Illinois
Between Havana and Petersburg, Illinois
Mississippi River valley, southern Illinois
Near Eldorado, Illinois
Southwest Illinois
IN
Near Vincennes, Indiana
Wabash River valley, between Terre Haute and Vincennes, Indi
KS
Manhattan, Kansas
KY
Near Sharpsburg, Kentucky
Northern Cape Ann region, east of Newbury, Massachusetts
ME
Southeast Maine
Southern Maine
Calumet, Michigan
Charleston, Missouri
Mississippi River valley near the Illinois border, Missouri
Near Three Forks, Montana
Northwest Montana
NC
Near Waynesville, North Carolina
Southern Mitchell County area, North Carolina
NE
Between Lincoln and Columbus, Nebraska
Near Merriman, Nebraska
NH
Near Ossipee Lake, New Hampshire
NJ
Near Asbury Park, New Jersey
NM
Socorro area, New Mexico
Los Lunas, New Mexico
Near Cerrillos, New Mexico
Near Dulce, New Mexico
Near Virginia City, Nevada
Western Nevada
Near Elko, Nevada
Esmeralda County, Nevada
Near Reno, Nevada
Dixie Valley, Nevada
New York City area, New York
Northern New York
Near New York City, New York
Lake George area, New York
Western Ohio
Near Pomeroy, Ohio
Anna, Ohio
Near Anna and Sidney, Ohio
OK
El Reno, Oklahoma
West of Catoosa, Oklahoma
ON
Ontario, Canada
OR
Milton-Freewater, Oregon
PA
Wilkes-Barre, Pennsylvania
Ontario border, Quebec, Canada
Summerville, South Carolina
Union County, South Carolina
TN
Near Memphis, Tennessee
Near Knoxville, Tennessee
Near Goshen, Utah
Hansel Valley, Utah
Salt Lake City, Utah
Ogden, Utah
Near Kosmo, Utah
Cache Valley, Utah
Central Utah
Central Virginia
North of Portland, Oregon (in Washington)
British Columbia border, Washington
Southern Puget sound, Washington
Near North Bend, Washington
Clark County, near the Oregon-Washington border (in Washingt
WY
Canby, Washington
Klamath Falls, Oregon
Auburn, Wyoming
Eureka, California
St. Thomas, V.I.
Probably North of Puerto Rico
Puerto Rico and Virgin Island
Arecibo, P.R.
Near Coast Of Northern Calif.
Near Coast Northern California
Near Birmingham, Alabama
Hazel Green, Alabama
Palmerdale, Alabama
Near Littleville, Alabama
Between Cairo, Illinois, and Memphis, Tennessee (in Arkansas
Between Jonesboro and Marked Tree, Arkansas
Arkansas-Tennessee border (in Arkansas)
Central Arkansas
Western Arkansas
Area of Enola-Naylor, Arkansas
Yuma, Arizona
Nogales, Arizona
Wellton, Ariozona
Grand Canyon, Arizona
Apache County, Arizona
Arizona-Utah border (in Arizona)
Southern Arizona
Western Arizona
Vancouver Island region, Canada
Lily Park, Colorado
Near Ridgway, Colorado
Near Basalt, Colorado
Lake City, Colorado
Near Montrose, Colorado
Near Trinidad, Colorado
Cripple Creek, Colorado
Moodus-East Haddam, Connecticut
Near Stamford, Connecticut
FL
Northwest Florida
Near Saint Augustine, Florida
GA
Northern Georgia
Near Savannah, Georgia
Northern Grorgia, south of Conasauga, Tennessee
Near Ringgold, Georgia
Hilo, Hawii
Island of Maui, Hawaii
Island of Hawaiii
Off island of Oahu, Hawaii
Hawaii Volcanoes National Park
Near island of Molokai, Hawaii
North-central Idaho
Near Wardboro, Idaho
Idaho City, Idaho
Northern Idaho
Near Soda Springs, Idaho
Clayton, Idaho
Central Idaho
Ketchum, Idaho
Cascade, Idaho
Southeast Idaho
Fort Dearborn (Chicago), Illinois
Wabash River Valley, Illinois
LaSalle, Illinois
Cairo, Illinois
Near Aurora, Freeport, Morris, and Yorkville, Illinois
Near Rock Island, Illinois
Waterloo-Dupo, Illinois, area, south of Saint Louis, Missour
West of Sparta, Illinois
Southeast Illinois, near Indiana border
Northern Illinois
Southeast Illinois
Near Olney, Illinois
Near New Harmony, Indiana
Evansville, Indiana
Near Terre Haute, Indiana
Wabash River valley, near Princeton, Indiana
Near Merriam, Kansas
South-central Kansas
Mahaska, Kansas
Line Shore, Kentucky
Columbus, northwest Hickman County, Kentucky
Mississippi River valley, Kentucky
Hickman, Kentucky
Near Henderson, Kentucky
Southeast Kentucky
Near Sharpsburg, northeast Kentucky
LA
Near Napoleonville, Louisiana
Essex, Massachusetts
Near Salem, Southern Cape Ann region, Massachusetts
Off the coast of Massachusetts
Eastern Massachusetts
Northeast Massachusetts
Near Harwich, Massachusetts
Near the coast of Massachusetts
Northeast of Peabody, Massachusetts
Near Lewiston, Maine
Bay of Fundy, Maine
Milo, Maine
Near coast of Maine
Southern Michigan
MN
Long Prairie, Minnesota
Stables, Minnesota
Western Minnesota
Near Saint Louis, Missouri
Missouri
Mississippi River valley, near Finley, Tennessee
Wayne County, Missouri
New Madrid area, near Catron and Marston, Missouri
Near Poplar Bluff, Missouri
Eastern Missouri
New Madrid region, Missouri
Cape Girardeau region, Missouri
Near Steele, Missouri
New Madrid, Missouri?
Alton, Missouri?
MS
Charleston, Mississippi
Near Greenville, Mississippi
Western Montana
Near Dillon, Montana
Crater Lake, Montana
Craig, Montana
Trident, Montana
Southern Sheridan County, Montana
Seeley Lake, Montana
Flathead lake area, Montana
Southwest Broadwater County, Montana
Northwest of West Yellowstone, Montana
Near Lincoln, Montana
NB
New Brunswick, Canada
Near Wilkesboro, North Carolina
Near Woodlawn, North Carolina
Buncombe County area, North Carolina
Northwest Jackson County, North Carolina
Hendersonville, North Carolina
ND
Montana-Saskatchewan border region, North Dakota
Battle Creek, Nebraska
Chadron, Nebraska
Tecumseh, Nebraska
Near Bartlett, Nebraska
Between Portsmouth and Hampton, New Hampshire
Near Lake Winnipesaukee, eastern New Hampshire
Near Warner, New Hampshire
Quebec border area, New Hampshire
Near Concord, New Hampshire
Near Laconia, New Hampshire
Near Berlin, New Hampshire
West of New York City, New York in New Jersey
Near High Bridge, New Jersey
Long Valley area, New Jersey
Pompton Lakes area, New Jersey
Near Ridgefield, New Jersey
Cimarron, New Mexico
Belen, New Mexico
Albuquerque, New Mexico
Near Bernardo, New Mexico
Balen, New Mexico
Near the Continental Divide, southwest New Mexico
Southwest New Mexico
San Antonito area, New Mexico
Near Lojoya, New Mexico
Amistad area, New Mexico
Near Albuquerque, New Mexico
Grants area, New Mexico
Near Crownpoint, New Mexico
Near Socorro, New Mexico
Austin, southern Lander County, Nevada
Near Eureka, Nevada
Near Wonder, Nevada
Southeast of Goldfield, Nevada
Near Lake Tahoe, Nevada
Fernley, Nevada
Near Gardnerville, Nevada
Near Boulder City, southern Nevada
Northeast of Mina, Nevada
Near Mount Montgomery, Nevada
Hoover Dam area, Nevada
Near Boulder City, Nevada
Near Hawthorne, Nevada
Boulder City area, Nevada
Dixie Valley area, Nevada
Near Schurz, northeast Mineral County, Nevada
Dyer area, Nevada
South of Luning, Nevada
Near Lowville, New York
Hudson River valley area, New York
Near Buffalo, New York
Flushing, New York
Northeast New York
Schenectady, New York
Saranac Lake, New York
Adirondack Mountains area, near Lake Champlain, New York
Near Attica, New York
Wappingers Falls area, New York
Near Lagrangeville, New York
Blue Mountain Lake area, New York
Southeast New York
Near the Muskingum River, Ohio
Near Lima, Ohio
Berea, Ohio
Near Portsmouth, Ohio
Lake Erie area, Ohio
Near Zanesville, Ohio
Northwest Ohio
Northeast Ohio
Southeast Oklahoma
Concho, Oklahoma
Southwest Oklahoma
Durant, Oklahoma
Umatilla, Oregon
Lakeview, southern Lake County, Oregon
Near Perrydale, Oregon
Portland, Oregon
Northwest of Salem, Oregon
Northwest Oregon
Southern Oregon
Northern Oregon
Near York, Pennsylvania
Allentown, Pennsylvania
Southern Blair County, Pennsylvania
Sinking Spring, Pennsylvania
Cornwall, Pennsylvania
Lancaster County, Pennsylvania
RI
Near Newport, in southeast Rhode Island
Lexington, South Carolina
Camden, South Carolina
Charleston-Summerville, South Carolina
Chesterfield, South Carolina
Near Newry, South Carolina
Northwest South Carolina
SD
Near Nebraska border, South Dakota
Near Winner, South Dakota
Wessington, South Dakota
Pierre, South Dakota
Southwest South Dakota
Near Fort Thompson, South Dakota
Knoxville, Tennessee
Memphis, Tennessee
Southern Appalachians, Tennessee
Near Dyersburg, Tennessee
Finley, Tennessee
Dyersburg, Tennessee
Eastern Tennessee
Northwest Tennessee
Western Tennessee
Near Greenback, Tennessee
Rusk, Texas
Panhandle area, Texas
Wortham, Texas
Near Pampa, Texas
Hartley County in northwest Texas
Kermit, Texas
Moroni, northern Sanpete County, Utah
Kanab, Utah
Saint George, southern Washington County, Utah
Northern Utah
Richfield, Utah
Provo, Utah
Parowan, Utah
Cedar City, Utah
Near Salt Lake City, Utah
South-central Utah
North-central Utah
Panguitch, western Garfield County, Utah
Near Ephraim, Utah
Midway, Utah
Northeast Utah
Magna, Utah
Orem, Utah
Southwest Utah
Near Clawson, Utah
Northeast of Logan, Utah
Near Salina, Utah
Near Petersburg, Virginia
Near Wytheville, Virginia
Southwest Virginia
Pulaski, Virginia
Near Arvonia, Virginia
Luray, Virginia
Near Front Royal, Virginia
Charlottesville, Virginia
VT
Burlington, Vermont
Near Olympia, Washington
Near Port Angeles, Washington
Northeast Washington
Strait of Georgia, northwest Washington
Near Bellingham, Washington
Startup, southern Snohomish County, Washington
Near the forks of Tolt River, Washington
Seattle, Washington
Near Okanogan, north-central Washington
Near Aberdeen, Washington
Near Langley, Washington
Near Lake Stevens, Washington
Northwest Washington
North-central Washington
Willapa Bay, Washington
Near Chelan, Washington
Near Seattle, Washington
Near Berkley, Washington
Near Maple Valley, Washington
Southwest Washington
Central Washington
Near Okanogan, Washington
WV
Southern West Virginia
Casper, Wyoming
Grover, northern Lincoln County, Wyoming
Western Wyoming
Yellowstone National Park, Wyoming
Eastern Wyoming
Andreanof Island, Aleutian Islands
Sand Point, Alaska
Wheaton, Minnesota
Naalehu, Hawaii
False Pass, Unimak Island
Norwood, Colorado
Fort Davis, Texas
Alpine, Texas
Honokaa, Hawaii
Mayaguez, P.R.
Dominican Republic
Puerto Rico Region
Probably Mona Passage
Near Foster, Oklahoma
Near Chattanooga, Tennessee, northwest Georgia
Kenai, Alaska
Rampart, Alaska
Southern Alaska
Shumagin Island region, Alaska
Southeast of Scotch Cap Lighthouse, Unimak Island region, Al
Rat Islands, Aleutian Islands, Alaska
Alaska Peninsula area, Alaska
Gulf of Alaska
Cape Girardeau, Missouri
New Mexico
Southern Quebec
Central California
Missouri-Arkansas Border
Southwest Illinois?
Tiptonville, Tennessee
Clawson, Utah
Western Washington
Pepeekeo, Hawaii
Wayan, Idaho
Holualoa, Hawaii
Campbellton, Texas
Valle, Arizona
Andreanof Islands, Aleutian Islands
Cayey, Puerto Rico
Npaierville, Quebec
Beatty, Oregon
Moose, Wyoming
Reading, Pennsylvania
Honomu, Hawaii
Afton, Wyoming
Grover, Wyoming
Challis, Idaho
Baring, Washington
Mona Passage, Puerto Rico
Keaau, Hawaii
Larkspur, Colorado
Maysville, Oklahoma
Tacoma, Washington
Green River, Wyoming
Afton, wyoming
Dinosaur, Colorado
Tuasayan, Arizona
Kalispell, Montana
Ashford, Washington
Alva, Oklahoma
VI
Punta Hiquero, P.R.
Northwest of Puerto Rico
North of Puerto Rico
Eastern Dominican Republic
Virgin Island Region
Near North Coast of Haiti
Mona Passage
Guayanilla, P.R.
Puerto Rico
Salinas, P.R.
Cidra, P.R.
Near Unalaska Island, Alaska
South-central Alaska
Near Chirikof Island, Alaska
Southern Indiana
Hawaii
Tennessee
Kentucky
Colorado
Southern New England
MD
Chesapeake Bay region
South Dakota
South Carolina
Oklahoma
Indiana
Chespeake Bay Region
Nevada
Ohio
Virginia
Utah
Washington
New York
Off Coast Of Oregon
Pennsylvania
Western Idaho
Montana
Yellowstone Region, Wyoming
Washington-Oregon Border
Wyoming
Near the Copper River delta, Alaska
Fox Islands, Aleutian Islands, Alaska
Aleutian Islands, Alaska
Near Islands area, Aleutian Islands, Alaska
Fox Islands, Andreanof Islands, Alaska
Adreanof Islands, Aleutian Islands, Alaska