Circles of investigation used for prediction of magnitude 7.5+ earthquakes

Number	Latitude		Lontitude		Flinn-Enghdal Seismic Region name number
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	2.00	S	136.00	E	IRIAN JAYA REGION, INDONESIA	196
12	2.25	S	138.50	E	IRIAN JAYA, INDONESIA	201
13	2.50	S	141.00	E	NEAR NORTH COAST OF IRIAN JAYA	197
14	3.75	S	143.50	E	NEAR N COAST OF NEW GUINEA, PNG.	200
15	5.00	S	146.00	E	EASTERN NEW GUINEA REG., P.N.G.	207
16	5.00	S	149.00	E	BISMARCK SEA	203
17	5.00	S	152.00	E	NEW BRITAIN REGION, P.N.G.	192
18	6.25	S	154.00	E	SOLOMON ISLANDS	193
19	7.50	S	156.00	E	SOLOMON ISLANDS	193
20	8.75	S	158.00	E	SOLOMON ISLANDS	193
21	10.00	S	160.00	E	SOLOMON ISLANDS	193
22	10.50	S	162.50	E	SOLOMON ISLANDS	193
23	11.00	S	165.00	E	SANTA CRUZ ISLANDS	184
24	13.00	S	166.25	E	VANUATU ISLANDS	186
25	15.00	S	167.50	E	VANUATU ISLANDS	186
26	17.50	S	168.25	E	VANUATU ISLANDS	186
27	20.00	S	169.00	E	VANUATU ISLANDS	186
28	21.25	S	170.75	E	LOYALTY ISLANDS REGION	189
29	9.50	N	93.75	E	NICOBAR ISLANDS, INDIA	704
30	7.00	N	94.50	E	NICOBAR ISLANDS, INDIA	704
31	5.00	N	95.75	E	NORTHERN SUMATERA, INDONESIA	706
32	3.00	N	97.00	E	NORTHERN SUMATERA, INDONESIA	706
33	2.00	N	98.50	E	NORTHERN SUMATERA, INDONESIA	706
34	1.00	S	100.00	E	SOUTHERN SUMATERA, INDONESIA	274
35	3.00	S	101.50	E	SOUTHERN SUMATERA, INDONESIA	274
36	5.00	S	103.00	E	SOUTHERN SUMATERA, INDONESIA	274
37	6.50	S	105.00	E	SUNDA STRAIT	276
38	8.00	S	107.00	E	JAWA, INDONESIA	277
39	8.50	S	109.50	E	JAWA, INDONESIA	277
40	9.00	S	112.00	E	SOUTH OF JAWA, INDONESIA	282
41	9.25	S	114.50	E	SOUTH OF BALI, INDONESIA	284
42	9.50	S	117.00	E	SUMBAWA REGION, INDONESIA	285
43	9.50	S	119.50	E	SUMBA REGION, INDONESIA	287
44	9.50	S	122.00	E	SAVU SEA	288
45	8.25	S	124.50	E	TIMOR REGION, INDONESIA	289
46	7.00	S	127.00	E	BANDA SEA	280
47	6.00	S	129.00	E	BANDA SEA	280
48	5.00	S	131.00	E	BANDA SEA	280
49	3.50	S	129.25	E	SERAM, INDONESIA	272
50	2.00	S	127.50	E	CERAM SEA	270
51	1.00	S	125.25	E	SOUTHERN MOLUCCA SEA	269
52	0.00	S	123.00	E	MINAHASSA PENINSULA, SULAWESI	265
53	0.00	S	120.50	E	MINAHASSA PENINSULA, SULAWESI	265
54	1.50	N	125.00	E	MINAHASSA PENINSULA, SULAWESI	265
55	3.00	N	127.00	E	TALAUD ISLANDS, INDONESIA	263
56	5.25	N	126.50	E	MINDANAO, PHILIPPINE ISLANDS	259
57	7.50	N	126.00	E	MINDANAO, PHILIPPINE ISLANDS	259
58	9.75	N	125.50	E	MINDANAO, PHILIPPINE ISLANDS	259
59	12.00	N	125.00	E	LEYTE, PHILIPPINE ISLANDS	256
60	13.50	N	123.00	E	LUZON, PHILIPPINE ISLANDS	249
61	15.00	N	121.00	E	LUZON, PHILIPPINE ISLANDS	249
62	35.00	N	136.00	E	NEAR S. COAST OF WESTERN HONSHU	233
63	34.00	N	134.00	E	SHIKOKU, JAPAN	236
64	33.00	N	132.00	E	KYUSHU, JAPAN	235
65	31.00	N	132.00	E	SOUTHEAST OF SHIKOKU, JAPAN	237
66	29.00	N	131.00	E	SOUTHEAST OF RYUKYU ISLANDS	239
67	27.00	N	129.00	E	RYUKYU ISLANDS	238
68	26.00	N	127.00	E	RYUKYU ISLANDS	238
69	25.00	N	124.50	E	NORTHEAST OF TAIWAN	245
70	25.00	N	122.00	E	TAIWAN	244
71	22.50	N	121.50	E	TAIWAN REGION	243
72	20.00	N	121.50	E	PHILIPPINE ISLANDS REGION	248
73	17.50	N	121.00	E	LUZON, PHILIPPINE ISLANDS	249
74	45.50	N	150.50	E	KURIL ISLANDS	221
75	44.00	N	148.00	E	EAST OF KURIL ISLANDS	222
76	43.50	N	145.50	E	HOKKAIDO, JAPAN REGION	224
77	43.00	N	143.00	E	HOKKAIDO, JAPAN REGION	224
78	41.00	N	141.00	E	NEAR EAST COAST OF HONSHU, JAPAN	228
79	39.00	N	142.00	E	NEAR EAST COAST OF HONSHU, JAPAN	228
80	36.50	N	141.00	E	NEAR EAST COAST OF HONSHU, JAPAN	228
81	35.00	N	139.00	E	NEAR S. COAST OF HONSHU, JAPAN	230
82	33.00	N	141.00	E	SOUTH OF HONSHU, JAPAN	211
83	31.00	N	142.00	E	SOUTH OF HONSHU, JAPAN	211
84	29.00	N	142.50	E	SOUTH OF HONSHU, JAPAN	211
85	27.00	N	143.00	E	BONIN ISLANDS REGION	212
86	25.00	N	143.00	E	VOLCANO ISLANDS REGION	213
87	23.00	N	143.00	E	VOLCANO ISLANDS REGION	213
88	21.00	N	144.50	E	MARIANA ISLANDS REGION	215
89	19.00	N	146.00	E	MARIANA ISLANDS	216
90	16.50	N	147.00	E	MARIANA ISLANDS REGION	215
91	14.00	N	146.00	E	SOUTH OF MARIANA ISLANDS	210
92	12.00	N	144.00	E	SOUTH OF MARIANA ISLANDS	210
93	12.00	N	141.00	E	SOUTH OF MARIANA ISLANDS	210
94	46.00	N	152.00	E	KURIL ISLANDS	221
95	48.50	N	155.50	E	KURIL ISLANDS	221
96	51.00	N	158.00	E	NEAR EAST COAST OF KAMCHATKA	218
97	53.50	N	160.00	E	NEAR EAST COAST OF KAMCHATKA	218
98	56.50	N	161.50	E	NEAR EAST COAST OF KAMCHATKA	218
99	55.00	N	166.50	E	KOMANDORSKY ISLANDS REGION	4
100	51.50	N	176.00	E	RAT ISLANDS, ALEUTIAN ISLANDS	6
101	51.00	N	178.50	W	ANDREANOF ISLANDS, ALEUTIAN IS.	7
102	51.50	N	173.00	W	ANDREANOF ISLANDS, ALEUTIAN IS.	7
103	52.50	N	167.50	W	FOX ISLANDS, ALEUTIAN ISLANDS	9
104	54.00	N	162.50	W	ALASKA PENINSULA	12
105	55.50	N	157.50	W	ALASKA PENINSULA	12
106	56.50	N	152.00	W	KODIAK ISLAND REGION	13
107	60.00	N	153.00	W	SOUTHERN ALASKA	2
108	63.00	N	151.00	W	CENTRAL ALASKA	1
109	62.00	N	145.00	W	CENTRAL ALASKA	1
110	44.50	N	130.00	W	OFF COAST OF OREGON	30
111	43.00	N	126.00	W	OFF COAST OF OREGON	30
112	40.50	N	128.00	W	OFF COAST OF NORTHERN CALIFORNIA	34
113	40.50	N	123.00	W	NORTHERN CALIFORNIA	36
114	38.00	N	119.00	W	CALIFORNIA-NEVADA BORDER REGION	40
115	37.50	N	122.00	W	CENTRAL CALIFORNIA	39
116	35.00	N	118.50	W	CENTRAL CALIFORNIA	39
117	37.00	N	118.00	W	CALIFORNIA-NEVADA BORDER REGION	40
118	16.00	N	88.00	W	CARIBBEAN SEA	94
119	16.00	N	97.00	W	NEAR COAST OF OAXACA, MEXICO	66
120	15.00	N	94.00	W	OFF COAST OF CHIAPAS, MEXICO	68
121	14.00	N	91.00	W	NEAR COAST OF GUATEMALA	71
122	12.00	N	88.00	W	NEAR COAST OF NICARAGUA	74
123	10.00	N	85.00	W	COSTA RICA	78
124	8.00	N	82.50	W	SOUTH OF PANAMA	83
125	5.00	N	82.50	W	SOUTH OF PANAMA	83
126	6.00	N	76.00	W	NORTHERN COLOMBIA	99
127	8.00	N	73.00	W	NORTHERN COLOMBIA	99
128	0.00	S	80.00	W	NEAR COAST OF ECUADOR	105
129	5.00	S	77.00	W	NORTHERN PERU	111
130	11.00	S	74.00	W	CENTRAL PERU	116
131	12.00	S	77.50	W	NEAR COAST OF PERU	115
132	15.00	S	75.00	W	CENTRAL PERU	116
133	17.50	S	71.00	W	NEAR COAST OF PERU	115
134	20.50	S	69.00	W	NORTHERN CHILE	123
135	22.00	S	67.00	W	CHILE-BOLIVIA BORDER REGION	124
136	23.50	S	70.00	W	NEAR COAST OF NORTHERN CHILE	122
137	25.00	S	68.00	W	CHILE-ARGENTINA BORDER REGION	127
138	27.00	S	71.00	W	NEAR COAST OF NORTHERN CHILE	122
139	28.00	S	69.00	W	LA RIOJA PROVINCE, ARGENTINA	138
140	30.00	S	71.50	W	NEAR COAST OF CENTRAL CHILE	135
141	31.00	S	70.00	W	CHILE-ARGENTINA BORDER REGION	127
142	33.00	S	72.50	W	OFF COAST OF CENTRAL CHILE	134
143	34.00	S	71.00	W	NEAR COAST OF CENTRAL CHILE	135
144	36.00	S	73.00	W	OFF COAST OF CENTRAL CHILE	134
145	56.00	S	27.00	W	SOUTH SANDWICH ISLANDS REGION	153
146	57.00	S	25.00	W	SOUTH SANDWICH ISLANDS REGION	153
147	58.50	S	25.50	W	SOUTH SANDWICH ISLANDS REGION	153
148	43.43	N	17.05	E	NORTHWESTERN BALKAN REGION	383
149	42.08	N	19.22	E	ALBANIA	391
150	41.63	N	14.10	E	SOUTHERN ITALY	390
151	40.73	N	25.67	E	AEGEAN SEA	365
152	40.73	N	29.21	E	TURKEY	366
153	40.28	N	16.23	E	SOUTHERN ITALY	390
154	40.28	N	22.72	E	GREECE	364
155	39.83	N	20.36	E	GREECE-ALBANIA BORDER REGION	392
156	38.93	N	26.97	E	AEGEAN SEA	365
157	38.48	N	16.25	E	SOUTHERN ITALY	390
158	37.58	N	21.38	E	SOUTHERN GREECE	368
159	36.68	N	28.28	E	DODECANESE ISLANDS	369
160	35.33	N	23.38	E	CRETE	370
161	35.33	N	31.08	E	CYPRUS REGION	372
162	34.88	N	26.68	E	CRETE	370
163	29.93	N	57.46	E	NORTHERN IRAN	348
164	28.13	N	51.77	E	SOUTHERN IRAN	353
165	27.68	N	56.87	E	SOUTHERN IRAN	353
166	26.78	N	53.75	E	SOUTHERN IRAN	353
167	40.28	N	70.51	E	TAJIKISTAN	715
168	40.28	N	78.18	E	SOUTHERN XINJIANG, CHINA	321
169	39.83	N	73.46	E	TAJIKISTAN-XINJIANG BORDER REG.	719
170	39.83	N	75.82	E	SOUTHERN XINJIANG, CHINA	321
171	38.93	N	71.63	E	AFGHANISTAN-TAJIKISTAN BORD REG.	717
172	38.48	N	73.82	E	TAJIKISTAN-XINJIANG BORDER REG.	719
173	38.03	N	69.83	E	AFGHANISTAN-TAJIKISTAN BORD REG.	717
174	36.68	N	71.40	E	AFGHANISTAN-TAJIKISTAN BORD REG.	717
175	36.23	N	68.60	E	HINDU KUSH REGION, AFGHANISTAN	718
176	35.78	N	73.43	E	PAKISTAN	710
177	34.43	N	70.68	E	AFGHANISTAN	709
178	26.78	N	97.25	E	MYANMAR-INDIA BORDER REGION	294
179	24.98	N	95.25	E	MYANMAR	296
180	22.28	N	94.33	E	MYANMAR	296