Circles of investigation used for prediction of magnitude 8.0+ earthquakes
Number Latitude   Lontitude   Flinn-Enghdal Region F-E #

1

15.00

S

175.00

W TONGA ISLANDS

173

2

17.50

S

174.00

W TONGA ISLANDS

173

3

20.00

S

175.00

W TONGA ISLANDS

173

4

22.50

S

176.00

W SOUTH OF FIJI ISLANDS

171

5

25.00

S

177.00

W SOUTH OF FIJI ISLANDS

171

6

27.50

S

177.50

W KERMADEC ISLANDS REGION

177

7

30.00

S

178.00

W KERMADEC ISLANDS, NEW ZEALAND

178

8

32.50

S

179.00

W SOUTH OF KERMADEC ISLANDS

179

9

35.00

S

180.00

E EAST OF NORTH ISLAND, N.Z.

688

10

37.00

S

178.00

E OFF E. COAST OF N. ISLAND, N.Z.

160

11

39.00

S

176.00

E NORTH ISLAND, NEW ZEALAND

159

12

2.00

S

136.00

E IRIAN JAYA REGION, INDONESIA

196

13

2.25

S

138.50

E IRIAN JAYA, INDONESIA

201

14

2.50

S

141.00

E NEAR NORTH COAST OF IRIAN JAYA

197

15

3.75

S

143.50

E NEAR N COAST OF NEW GUINEA, PNG.

200

16

5.00

S

146.00

E EASTERN NEW GUINEA REG., P.N.G.

207

17

5.00

S

149.00

E BISMARCK SEA

203

18

5.00

S

152.00

E NEW BRITAIN REGION, P.N.G.

192

19

6.25

S

154.00

E SOLOMON ISLANDS

193

20

7.50

S

156.00

E SOLOMON ISLANDS

193

21

8.75

S

158.00

E SOLOMON ISLANDS

193

22

10.00

S

160.00

E SOLOMON ISLANDS

193

23

10.50

S

162.50

E SOLOMON ISLANDS

193

24

11.00

S

165.00

E SANTA CRUZ ISLANDS

184

25

13.00

S

166.25

E VANUATU ISLANDS

186

26

15.00

S

167.50

E VANUATU ISLANDS

186

27

17.50

S

168.25

E VANUATU ISLANDS

186

28

20.00

S

169.00

E VANUATU ISLANDS

186

29

21.25

S

170.75

E LOYALTY ISLANDS REGION

189

30

11.00

N

93.00

E ANDAMAN ISLANDS, INDIA

703

31

9.50

N

93.75

E NICOBAR ISLANDS, INDIA

704

32

7.00

N

94.50

E NICOBAR ISLANDS, INDIA

704

33

5.00

N

95.75

E NORTHERN SUMATERA, INDONESIA

706

34

3.00

N

97.00

E NORTHERN SUMATERA, INDONESIA

706

35

2.00

N

98.50

E NORTHERN SUMATERA, INDONESIA

706

36

1.00

S

100.00

E SOUTHERN SUMATERA, INDONESIA

274

37

3.00

S

101.50

E SOUTHERN SUMATERA, INDONESIA

274

38

5.00

S

103.00

E SOUTHERN SUMATERA, INDONESIA

274

39

6.50

S

105.00

E SUNDA STRAIT

276

40

8.00

S

107.00

E JAWA, INDONESIA

277

41

8.50

S

109.50

E JAWA, INDONESIA

277

42

9.00

S

112.00

E SOUTH OF JAWA, INDONESIA

282

43

9.25

S

114.50

E SOUTH OF BALI, INDONESIA

284

44

9.50

S

117.00

E SUMBAWA REGION, INDONESIA

285

45

9.50

S

119.50

E SUMBA REGION, INDONESIA

287

46

9.50

S

122.00

E SAVU SEA

288

47

8.25

S

124.50

E TIMOR REGION, INDONESIA

289

48

7.00

S

127.00

E BANDA SEA

280

49

6.00

S

129.00

E BANDA SEA

280

50

5.00

S

131.00

E BANDA SEA

280

51

3.50

S

129.25

E SERAM, INDONESIA

272

52

2.00

S

127.50

E CERAM SEA

270

53

1.00

S

125.25

E SOUTHERN MOLUCCA SEA

269

54

0.00

S

123.00

E MINAHASSA PENINSULA, SULAWESI

265

55

0.00

S

120.50

E MINAHASSA PENINSULA, SULAWESI

265

56

1.50

N

125.00

E MINAHASSA PENINSULA, SULAWESI

265

57

3.00

N

127.00

E TALAUD ISLANDS, INDONESIA

263

58

5.25

N

126.50

E MINDANAO, PHILIPPINE ISLANDS

259

59

7.50

N

126.00

E MINDANAO, PHILIPPINE ISLANDS

259

60

9.75

N

125.50

E MINDANAO, PHILIPPINE ISLANDS

259

61

12.00

N

125.00

E LEYTE, PHILIPPINE ISLANDS

256

62

13.50

N

123.00

E LUZON, PHILIPPINE ISLANDS

249

63

15.00

N

121.00

E LUZON, PHILIPPINE ISLANDS

249

64

35.00

N

136.00

E NEAR S. COAST OF WESTERN HONSHU

233

65

34.00

N

134.00

E SHIKOKU, JAPAN

236

66

33.00

N

132.00

E KYUSHU, JAPAN

235

67

31.00

N

132.00

E SOUTHEAST OF SHIKOKU, JAPAN

237

68

29.00

N

131.00

E SOUTHEAST OF RYUKYU ISLANDS

239

69

27.00

N

129.00

E RYUKYU ISLANDS

238

70

26.00

N

127.00

E RYUKYU ISLANDS

238

71

25.00

N

124.50

E NORTHEAST OF TAIWAN

245

72

25.00

N

122.00

E TAIWAN

244

73

22.50

N

121.50

E TAIWAN REGION

243

74

20.00

N

121.50

E PHILIPPINE ISLANDS REGION

248

75

17.50

N

121.00

E LUZON, PHILIPPINE ISLANDS

249

76

45.50

N

150.50

E KURIL ISLANDS

221

77

44.00

N

148.00

E EAST OF KURIL ISLANDS

222

78

43.50

N

145.50

E HOKKAIDO, JAPAN REGION

224

79

43.00

N

143.00

E HOKKAIDO, JAPAN REGION

224

80

41.00

N

141.00

E NEAR EAST COAST OF HONSHU, JAPAN

228

81

39.00

N

142.00

E NEAR EAST COAST OF HONSHU, JAPAN

228

82

36.50

N

141.00

E NEAR EAST COAST OF HONSHU, JAPAN

228

83

35.00

N

139.00

E NEAR S. COAST OF HONSHU, JAPAN

230

84

33.00

N

141.00

E SOUTH OF HONSHU, JAPAN

211

85

31.00

N

142.00

E SOUTH OF HONSHU, JAPAN

211

86

29.00

N

142.50

E SOUTH OF HONSHU, JAPAN

211

87

27.00

N

143.00

E BONIN ISLANDS REGION

212

88

25.00

N

143.00

E VOLCANO ISLANDS REGION

213

89

23.00

N

143.00

E VOLCANO ISLANDS REGION

213

90

21.00

N

144.50

E MARIANA ISLANDS REGION

215

91

19.00

N

146.00

E MARIANA ISLANDS

216

92

16.50

N

147.00

E MARIANA ISLANDS REGION

215

93

14.00

N

146.00

E SOUTH OF MARIANA ISLANDS

210

94

12.00

N

144.00

E SOUTH OF MARIANA ISLANDS

210

95

12.00

N

141.00

E SOUTH OF MARIANA ISLANDS

210

96

46.00

N

152.00

E KURIL ISLANDS

221

97

48.50

N

155.50

E KURIL ISLANDS

221

98

51.00

N

158.00

E NEAR EAST COAST OF KAMCHATKA

218

99

53.50

N

160.00

E NEAR EAST COAST OF KAMCHATKA

218

100

56.50

N

161.50

E NEAR EAST COAST OF KAMCHATKA

218

101

55.00

N

166.50

E KOMANDORSKY ISLANDS REGION

4

102

53.00

N

171.00

E NEAR ISLANDS, ALEUTIAN ISLANDS

5

103

51.50

N

176.00

E RAT ISLANDS, ALEUTIAN ISLANDS

6

104

51.00

N

178.50

W ANDREANOF ISLANDS, ALEUTIAN IS.

7

105

51.50

N

173.00

W ANDREANOF ISLANDS, ALEUTIAN IS.

7

106

52.50

N

167.50

W FOX ISLANDS, ALEUTIAN ISLANDS

9

107

54.00

N

162.50

W ALASKA PENINSULA

12

108

55.50

N

157.50

W ALASKA PENINSULA

12

109

56.50

N

152.00

W KODIAK ISLAND REGION

13

110

60.00

N

153.00

W SOUTHERN ALASKA

2

111

63.00

N

151.00

W CENTRAL ALASKA

1

112

62.00

N

145.00

W CENTRAL ALASKA

1

113

60.50

N

140.00

W SOUTHEASTERN ALASKA

19

114

47.50

N

122.50

W WASHINGTON

29

115

44.50

N

130.00

W OFF COAST OF OREGON

30

116

43.00

N

126.00

W OFF COAST OF OREGON

30

117

40.50

N

128.00

W OFF COAST OF NORTHERN CALIFORNIA

34

118

40.50

N

123.00

W NORTHERN CALIFORNIA

36

119

38.00

N

119.00

W CALIFORNIA-NEVADA BORDER REGION

40

120

37.50

N

122.00

W CENTRAL CALIFORNIA

39

121

35.00

N

118.50

W CENTRAL CALIFORNIA

39

122

37.00

N

118.00

W CALIFORNIA-NEVADA BORDER REGION

40

123

32.00

N

115.00

W CALIF.-BAJA CALIF. BORDER REGION

45

124

29.00

N

112.50

W BAJA CALIFORNIA, MEXICO

48

125

23.00

N

108.00

W GULF OF CALIFORNIA

49

126

20.00

N

109.00

W REVILLA GIGEDO ISLANDS REGION

53

127

18.50

N

106.00

W OFF COAST OF JALISCO, MEXICO

54

128

19.00

N

103.50

W JALISCO, MEXICO

524

129

17.00

N

100.00

W NEAR COAST OF GUERRERO, MEXICO

58

130

16.00

N

97.00

W NEAR COAST OF OAXACA, MEXICO

66

131

15.00

N

94.00

W OFF COAST OF CHIAPAS, MEXICO

68

132

14.00

N

91.00

W NEAR COAST OF GUATEMALA

71

133

12.00

N

88.00

W NEAR COAST OF NICARAGUA

74

134

10.00

N

85.00

W COSTA RICA

78

135

8.00

N

82.50

W SOUTH OF PANAMA

83

136

5.00

N

82.50

W SOUTH OF PANAMA

83

137

6.00

N

76.00

W NORTHERN COLOMBIA

99

138

8.00

N

73.00

W NORTHERN COLOMBIA

99

139

10.00

N

70.00

W VENEZUELA

101

140

13.00

N

60.00

W WINDWARD ISLANDS

95

141

16.00

N

61.00

W LEEWARD ISLANDS

92

142

19.00

N

63.00

W LEEWARD ISLANDS

92

143

19.50

N

66.50

W PUERTO RICO REGION

90

144

16.00

N

88.00

W CARIBBEAN SEA

94

145

3.00

N

78.00

W NEAR WEST COAST OF COLOMBIA

102

146

0.00

S

80.00

W NEAR COAST OF ECUADOR

105

147

3.00

S

81.50

W NEAR COAST OF ECUADOR

105

148

5.00

S

77.00

W NORTHERN PERU

111

149

6.00

S

81.00

W NEAR COAST OF NORTHERN PERU

109

150

8.00

S

74.00

W PERU-BRAZIL BORDER REGION

112

151

9.00

S

79.00

W NEAR COAST OF NORTHERN PERU

109

152

11.00

S

74.00

W CENTRAL PERU

116

153

12.00

S

77.50

W NEAR COAST OF PERU

115

154

15.00

S

75.00

W CENTRAL PERU

116

155

17.50

S

71.00

W NEAR COAST OF PERU

115

156

20.50

S

69.00

W NORTHERN CHILE

123

157

22.00

S

67.00

W CHILE-BOLIVIA BORDER REGION

124

158

23.50

S

70.00

W NEAR COAST OF NORTHERN CHILE

122

159

25.00

S

68.00

W CHILE-ARGENTINA BORDER REGION

127

160

27.00

S

71.00

W NEAR COAST OF NORTHERN CHILE

122

161

28.00

S

69.00

W LA RIOJA PROVINCE, ARGENTINA

138

162

30.00

S

71.50

W NEAR COAST OF CENTRAL CHILE

135

163

31.00

S

70.00

W CHILE-ARGENTINA BORDER REGION

127

164

33.00

S

72.50

W OFF COAST OF CENTRAL CHILE

134

165

34.00

S

71.00

W NEAR COAST OF CENTRAL CHILE

135

166

36.00

S

73.00

W OFF COAST OF CENTRAL CHILE

134

167

39.00

S

73.50

W OFF COAST OF CENTRAL CHILE

134

168

56.00

S

27.00

W SOUTH SANDWICH ISLANDS REGION

153

169

57.00

S

25.00

W SOUTH SANDWICH ISLANDS REGION

153

170

58.50

S

25.50

W SOUTH SANDWICH ISLANDS REGION

153

171

46.13

N

12.68

E NORTHERN ITALY

545

172

45.68

N

16.32

E NORTHWESTERN BALKAN REGION

383

173

45.23

N

9.92

E NORTHERN ITALY

545

174

43.43

N

12.09

E CENTRAL ITALY

381

175

43.43

N

17.05

E NORTHWESTERN BALKAN REGION

383

176

42.08

N

19.22

E ALBANIA

391

177

41.63

N

14.10

E SOUTHERN ITALY

390

178

40.73

N

25.67

E AEGEAN SEA

365

179

40.73

N

29.21

E TURKEY

366

180

40.73

N

32.75

E TURKEY

366

181

40.28

N

16.23

E SOUTHERN ITALY

390

182

40.28

N

22.72

E GREECE

364

183

40.28

N

36.29

E TURKEY

366

184

39.83

N

20.36

E GREECE-ALBANIA BORDER REGION

392

185

38.93

N

26.97

E AEGEAN SEA

365

186

38.48

N

16.25

E SOUTHERN ITALY

390

187

38.48

N

37.91

E TURKEY

366

188

38.03

N

31.07

E TURKEY

366

189

37.58

N

21.38

E SOUTHERN GREECE

368

190

36.68

N

28.28

E DODECANESE ISLANDS

369

191

36.23

N

35.56

E TURKEY

366

192

35.33

N

23.38

E CRETE

370

193

35.33

N

31.08

E CYPRUS REGION

372

194

34.88

N

26.68

E CRETE

370

195

34.43

N

33.28

E CYPRUS REGION

372

196

42.53

N

46.06

E EASTERN CAUCASUS

337

197

41.18

N

48.90

E EASTERN CAUCASUS

337

198

40.73

N

43.96

E NORTHWESTERN CAUCASUS

362

199

39.83

N

41.01

E TURKEY

366

200

39.83

N

51.63

E CASPIAN SEA

338

201

38.93

N

54.81

E TURKMENISTAN

340

202

38.48

N

45.89

E ARMENIA-AZERBAIJAN-IRAN BORD REG

344

203

38.03

N

43.04

E TURKEY

366

204

37.58

N

48.74

E NORTHWESTERN IRAN

345

205

37.58

N

57.29

E TURKMENISTAN-IRAN BORDER REGION

341

206

36.68

N

51.24

E NORTHERN IRAN

348

207

36.23

N

45.08

E IRAN-IRAQ BORDER REGION

346

208

36.23

N

54.04

E NORTHERN IRAN

348

209

35.78

N

59.68

E NORTHERN IRAN

348

210

34.43

N

46.48

E WESTERN IRAN

347

211

32.63

N

48.50

E WESTERN IRAN

347

212

32.63

N

56.98

E NORTHERN IRAN

348

213

32.18

N

60.16

E NORTHERN IRAN

348

214

30.38

N

50.18

E NORTHERN IRAN

348

215

29.93

N

57.46

E NORTHERN IRAN

348

216

29.93

N

60.06

E SOUTHWESTERN PAKISTAN

354

217

28.13

N

51.77

E SOUTHERN IRAN

353

218

27.68

N

56.87

E SOUTHERN IRAN

353

219

27.23

N

59.93

E SOUTHERN IRAN

353

220

26.78

N

53.75

E SOUTHERN IRAN

353

221

42.98

N

78.43

E LAKE ISSYK-KUL REGION

330

222

42.08

N

74.73

E KYRGYZSTAN

716

223

41.63

N

81.30

E SOUTHERN XINJIANG, CHINA

321

224

40.28

N

64.02

E NORTHWESTERN UZBEKISTAN

339

225

40.28

N

70.51

E TAJIKISTAN

715

226

40.28

N

78.18

E SOUTHERN XINJIANG, CHINA

321

227

39.83

N

67.56

E SOUTHEASTERN UZBEKISTAN

714

228

39.83

N

73.46

E TAJIKISTAN-XINJIANG BORDER REG.

719

229

39.83

N

75.82

E SOUTHERN XINJIANG, CHINA

321

230

38.93

N

71.63

E AFGHANISTAN-TAJIKISTAN BORD REG.

717

231

38.48

N

73.82

E TAJIKISTAN-XINJIANG BORDER REG.

719

232

38.03

N

69.83

E AFGHANISTAN-TAJIKISTAN BORD REG.

717

233

38.03

N

84.65

E SOUTHERN XINJIANG, CHINA

321

234

36.68

N

71.40

E AFGHANISTAN-TAJIKISTAN BORD REG.

717

235

36.68

N

76.44

E KASHMIR-XINJIANG BORDER REGION

324

236

36.68

N

82.60

E XIZANG

306

237

36.23

N

68.60

E HINDU KUSH REGION, AFGHANISTAN

718

238

35.78

N

73.43

E PAKISTAN

710

239

35.78

N

79.48

E KASHMIR-XIZANG BORDER REGION

304

240

34.43

N

70.68

E AFGHANISTAN

709

241

34.43

N

82.23

E XIZANG

306

242

33.53

N

73.17

E PAKISTAN

710

243

33.08

N

75.87

E EASTERN KASHMIR

302

244

32.18

N

82.95

E XIZANG

306

245

31.73

N

78.18

E XIZANG-INDIA BORDER REGION

305

246

30.83

N

66.30

E AFGHANISTAN

709

247

30.38

N

69.42

E PAKISTAN

710

248

29.93

N

80.34

E NEPAL-INDIA BORDER REGION

309

249

30.83

N

89.70

E XIZANG

306

250

29.93

N

99.58

E SICHUAN, CHINA

307

251

29.03

N

95.63

E EASTERN XIZANG-INDIA BORDER REG.

313

252

28.13

N

92.57

E EASTERN XIZANG-INDIA BORDER REG.

313

253

27.23

N

100.22

E YUNNAN, CHINA

318

254

26.78

N

97.25

E MYANMAR-INDIA BORDER REGION

294

255

26.33

N

89.75

E INDIA-BANGLADESH BORDER REGION

315

256

24.98

N

92.25

E INDIA-BANGLADESH BORDER REGION

315

257

24.98

N

95.25

E MYANMAR

296

258

24.53

N

98.25

E MYANMAR-CHINA BORDER REGION

297

259

22.28

N

94.33

E MYANMAR

296

260

22.28

N

99.72

E MYANMAR-CHINA BORDER REGION

297

261

19.58

N

94.32

E MYANMAR

296

262

16.88

N

94.24

E MYANMAR

296