PACIFIC RING OF FIRE RECENT QUAKES

4.3 Mb - SOUTH OF FIJI ISLANDS
Preliminary Earthquake Report
Magnitude
4.3 Mb
Date-Time
22 Jul 2008 18:31:16 UTC
23 Jul 2008 06:31:16 near epicenter
22 Jul 2008 12:31:16 standard time in your timezone
Location
22.230S 179.592W
Depth
589 km
Distances
466 km (290 miles) WSW (254 degrees) of NUKU'ALOFA, Tonga
3177 km (1974 miles) WSW (256 degrees) of PAPEETE, Tahiti, French Polynesia
Location Uncertainty
Horizontal: 28.4 km; Vertical 64.1 km
Parameters
Nph = 25; Dmin = 999.9 km; Rmss = 0.77 seconds; Gp = 133°M-type = Mb; Version = 6
Event ID
US 2008uubb

4.6 Mb - SAMOA ISLANDS REGION
Preliminary Earthquake Report
Magnitude
4.6 Mb
Date-Time
22 Jul 2008 14:43:26 UTC
22 Jul 2008 03:43:26 near epicenter
22 Jul 2008 08:43:26 standard time in your timezone
Location
15.547S 172.468W
Depth
10 km
Distances
209 km (130 miles) SSW (202 degrees) of APIA, Samoa
237 km (148 miles) SW (233 degrees) of PAGO PAGO, American Samoa
381 km (237 miles) NNE (25 degrees) of Neiafu, Tonga
2450 km (1522 miles) W (272 degrees) of PAPEETE, Tahiti, French Polynesia
Location Uncertainty
Horizontal: 19.9 km; Vertical
Parameters
Nph = 38; Dmin = 195.9 km; Rmss = 1.01 seconds; Gp = 133°M-type = Mb; Version = Q
Event ID
US 2008uua4

5.1 Mb - SANTA CRUZ ISLANDS REGION
Preliminary Earthquake Report
Magnitude
5.1 Mb
Date-Time
21 Jul 2008 15:47:58 UTC
22 Jul 2008 02:47:58 near epicenter
21 Jul 2008 09:47:58 standard time in your timezone
Location
11.034S 164.382E
Depth
52 km
Distances
275 km (171 miles) ESE (104 degrees) of Kira Kira, Solomon Islands
477 km (296 miles) ESE (123 degrees) of Auki, Solomon Islands
515 km (320 miles) ESE (110 degrees) of HONIARA, Solomon Islands
1888 km (1173 miles) E (97 degrees) of PORT MORESBY, Papua New Guinea
Location Uncertainty
Horizontal: 17.5 km; Vertical 32.4 km
Parameters
Nph = 15; Dmin = 517.3 km; Rmss = 0.92 seconds; Gp = 115°M-type = Mb; Version = 6
Event ID
US 2008utav

5.4 Mb - NEW IRELAND REGION, P.N.G.
Preliminary Earthquake Report
Magnitude
5.4 Mb
Date-Time
20 Jul 2008 21:13:40 UTC
21 Jul 2008 07:13:40 near epicenter
20 Jul 2008 15:13:40 standard time in your timezone
Location
3.806S 150.749E
Depth
35 km
Distances
138 km (86 miles) S (182 degrees) of Kavieng, New Ireland, PNG
165 km (103 miles) WNW (286 degrees) of Rabaul, New Britain, PNG
302 km (187 miles) NNE (27 degrees) of Kandrian, New Britain, PNG
529 km (328 miles) NE (52 degrees) of Lae, New Guinea, PNG
741 km (461 miles) NNE (32 degrees) of PORT MORESBY, Papua New Guinea
Location Uncertainty
Horizontal: 15.3 km; Vertical
Parameters
Nph = 27; Dmin = 735.8 km; Rmss = 0.74 seconds; Gp = 122°M-type = Mb; Version = 6
Event ID
US 2008usbj ***This event supersedes event AT00658842.

4.7 Mb - FIJI REGION
Preliminary Earthquake Report
Magnitude
4.7 Mb
Date-Time
19 Jul 2008 22:34:16 UTC
20 Jul 2008 10:34:16 near epicenter
19 Jul 2008 16:34:16 standard time in your timezone
Location
20.076S 178.485W
Depth
572 km
Distances
359 km (223 miles) WNW (289 degrees) of NUKU'ALOFA, Tonga
498 km (310 miles) WSW (251 degrees) of Neiafu, Tonga
3053 km (1897 miles) W (260 degrees) of PAPEETE, Tahiti, French Polynesia
Location Uncertainty
Horizontal: 9.0 km; Vertical 9.3 km
Parameters
Nph = 90; Dmin = 447.9 km; Rmss = 0.94 seconds; Gp = 97°M-type = Mb; Version = 7
Event ID
US 2008urb7

6.4 Mw - FIJI REGION
Preliminary Earthquake Report
Magnitude
6.4 Mw
Date-Time
19 Jul 2008 22:39:53 UTC
20 Jul 2008 10:39:53 near epicenter
19 Jul 2008 16:39:53 standard time in your timezone
Location
17.134S 177.420W
Depth
396 km
Distances
401 km (249 miles) WNW (294 degrees) of Neiafu, Tonga
502 km (312 miles) NNW (332 degrees) of NUKU'ALOFA, Tonga
2954 km (1836 miles) W (267 degrees) of PAPEETE, Tahiti, French Polynesia
Location Uncertainty
Horizontal: 12.0 km; Vertical 51.0 km
Parameters
Nph = 170; Dmin = 999.9 km; Rmss = 0.59 seconds; Gp = 50°M-type = Mw; Version = 6
Event ID
US 2008urb9 ***This event supersedes event AT00650719.

4.8 Mb - PHILIPPINE ISLANDS REGION
Preliminary Earthquake Report
Magnitude
4.8 Mb
Date-Time
17 Jul 2008 10:12:05 UTC
17 Jul 2008 18:12:05 near epicenter
17 Jul 2008 04:12:05 standard time in your timezone
Location
11.108N 126.300E
Depth
52 km
Distances
62 km (39 miles) E (82 degrees) of Guiuan, Samar, Philippines
141 km (88 miles) E (96 degrees) of Tacloban, Leyte, Philippines
172 km (107 miles) NNE (31 degrees) of Surigao, Mindanao, Philippines
697 km (433 miles) ESE (123 degrees) of MANILA, Philippines
Location Uncertainty
Horizontal: 15.3 km; Vertical
Parameters
Nph = 27; Dmin = 999.9 km; Rmss = 1.35 seconds; Gp = 115°M-type = Mb; Version = 7
Event ID
US 2008upar

4.7 Mb - FLORES SEA
Preliminary Earthquake Report
Magnitude
4.7 Mb
Date-Time
16 Jul 2008 22:25:52 UTC
17 Jul 2008 06:25:52 near epicenter
16 Jul 2008 16:25:52 standard time in your timezone
Location
7.267S 120.321E
Depth
556 km
Distances
217 km (135 miles) NE (53 degrees) of Raba, Sumbawa, Indonesia
230 km (143 miles) NW (320 degrees) of Ende, Flores, Indonesia
254 km (158 miles) SSE (158 degrees) of Ujung Pandang, Sulawesi, Indonesia
598 km (371 miles) WNW (284 degrees) of DILI, East Timor
Location Uncertainty
Horizontal: 18.4 km; Vertical 15.1 km
Parameters
Nph = 28; Dmin = 999.9 km; Rmss = 0.74 seconds; Gp = 111°M-type = Mb; Version = 7
Event ID
US 2008uncl

5.5 Mw - KERMADEC ISLANDS, NEW ZEALAND
Preliminary Earthquake Report
Magnitude
5.5 Mw
Date-Time
16 Jul 2008 17:09:26 UTC
17 Jul 2008 05:09:26 near epicenter
16 Jul 2008 11:09:26 standard time in your timezone
Location
30.932S 178.630W
Depth
145 km
Distances
201 km (125 miles) SSW (201 degrees) of Raoul Island, Kermadec Islands
1139 km (708 miles) SSW (197 degrees) of NUKU'ALOFA, Tonga
3288 km (2043 miles) WSW (238 degrees) of PAPEETE, Tahiti, French Polynesia
Location Uncertainty
Horizontal: 11.6 km; Vertical 19.0 km
Parameters
Nph = 76; Dmin = 867.9 km; Rmss = 0.92 seconds; Gp = 79°M-type = Mw; Version = 7
Event ID
US 2008unbc ***This event has been revised.

4.9 Mb - MARIANA ISLANDS REGION
Preliminary Earthquake Report
Magnitude
4.9 Mb
Date-Time
16 Jul 2008 17:23:43 UTC
17 Jul 2008 03:23:43 near epicenter
16 Jul 2008 11:23:43 standard time in your timezone
Location
16.828N 148.093E
Depth
10 km
Distances
286 km (178 miles) ESE (120 degrees) of Pagan, Northern Mariana Islands
312 km (194 miles) NE (54 degrees) of SAIPAN, Northern Mariana Islands
2236 km (1390 miles) SSE (152 degrees) of Shizuoka, Honshu, Japan
Location Uncertainty
Horizontal: 7.1 km; Vertical
Parameters
Nph = 67; Dmin = 999.9 km; Rmss = 0.70 seconds; Gp = 64°M-type = Mb; Version = Q
Event ID
US 2008unbd
For updates, maps, and technical information, see:

Event Page or U.S.G.S. Earthquake Hazards Program
National Earthquake Information CenterU.S. Geological Survey

http://neic.usgs.gov/

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