PACIFIC RING OF FIRE RECENT QUAKES

4.8 Mb - SAMOA ISLANDS REGION
Preliminary Earthquake Report
Magnitude
4.8 Mb
Date-Time
24 Aug 2008 01:01:00 UTC
24 Aug 2008 13:01:00 near epicenter
23 Aug 2008 19:01:00 standard time in your timezone
Location
14.699S 175.901W
Depth
35 km
Distances
458 km (285 miles) WSW (257 degrees) of APIA, Samoa
485 km (301 miles) NNW (335 degrees) of Neiafu, Tonga
2828 km (1758 miles) W (273 degrees) of PAPEETE, Tahiti, French Polynesia
Location Uncertainty
Horizontal: 32.3 km; Vertical
Parameters
Nph = 63; Dmin = 728.8 km; Rmss = 0.93 seconds; Gp = 183°M-type = Mb; Version = Q
Event ID
US 2008wcad

4.4 Mb - SOUTH OF FIJI ISLANDS
Preliminary Earthquake Report
Magnitude
4.4 Mb
Date-Time
26 Aug 2008 08:23:02 UTC
26 Aug 2008 20:23:02 near epicenter
26 Aug 2008 02:23:02 standard time in your timezone
Location
25.312S 179.620E
Depth
475 km
Distances
808 km (502 miles) S (171 degrees) of SUVA, Fiji
1365 km (848 miles) NNE (21 degrees) of Auckland, New Zealand
Location Uncertainty
Horizontal: 14.9 km; Vertical 12.1 km
Parameters
Nph = 30; Dmin = 855.1 km; Rmss = 1.01 seconds; Gp = 133°M-type = Mb; Version = Q
Event ID
US 2008wea2

4.7 Mb - FIJI REGION
Preliminary Earthquake Report
Magnitude
4.7 Mb
Date-Time
24 Aug 2008 15:35:05 UTC
25 Aug 2008 03:35:05 near epicenter
24 Aug 2008 09:35:05 standard time in your timezone
Location
21.231S 176.862W
Depth
220 km
Distances
169 km (105 miles) W (267 degrees) of NUKU'ALOFA, Tonga
416 km (258 miles) SW (226 degrees) of Neiafu, Tonga
2889 km (1795 miles) WSW (257 degrees) of PAPEETE, Tahiti, French Polynesia
Location Uncertainty
Horizontal: 16.8 km; Vertical 22.1 km
Parameters
Nph = 35; Dmin = 973.7 km; Rmss = 1.01 seconds; Gp = 90°M-type = Mb; Version = Q
Event ID
US 2008wcak

5.3 Mb - SOUTH OF KERMADEC ISLANDS
Preliminary Earthquake Report
Magnitude
5.3 Mb
Date-Time
24 Aug 2008 05:23:45 UTC
24 Aug 2008 17:23:45 near epicenter
23 Aug 2008 23:23:45 standard time in your timezone
Location
33.237S 179.439W
Depth
45 km
Distances
468 km (291 miles) SSW (198 degrees) of Raoul Island, Kermadec Islands
1407 km (874 miles) SSW (196 degrees) of NUKU'ALOFA, Tonga
3453 km (2146 miles) SW (234 degrees) of PAPEETE, Tahiti, French Polynesia
Location Uncertainty
Horizontal: 18.7 km; Vertical
Parameters
Nph = 38; Dmin = 999.9 km; Rmss = 1.14 seconds; Gp = 79°M-type = Mb; Version = 7
Event ID
US 2008wcah

5.7 Mw - SAMOA ISLANDS REGION
Preliminary Earthquake Report
Magnitude
5.7 Mw
Date-Time
19 Aug 2008 13:37:28 UTC
20 Aug 2008 01:37:28 near epicenter
19 Aug 2008 07:37:28 standard time in your timezone
Location
14.901S 173.227W
Depth
10 km
Distances
201 km (125 miles) SW (232 degrees) of APIA, Samoa
281 km (175 miles) WSW (255 degrees) of PAGO PAGO, American Samoa
425 km (264 miles) N (11 degrees) of Neiafu, Tonga
2541 km (1579 miles) W (273 degrees) of PAPEETE, Tahiti, French Polynesia
Location Uncertainty
Horizontal: 14.2 km; Vertical
Parameters
Nph = 116; Dmin = 191.2 km; Rmss = 1.09 seconds; Gp = 126°M-type = Mw; Version = R
Event ID
US 2008vxa7 ***This event has been revised.

4.8 Mb - SOUTH OF FIJI ISLANDS
Preliminary Earthquake Report
Magnitude
4.8 Mb
Date-Time
21 Aug 2008 17:03:59 UTC
22 Aug 2008 05:03:59 near epicenter
21 Aug 2008 11:03:59 standard time in your timezone
Location
25.108S 177.730W
Depth
191 km
Distances
461 km (286 miles) N (2 degrees) of Raoul Island, Kermadec Islands
509 km (316 miles) SSW (210 degrees) of NUKU'ALOFA, Tonga
3030 km (1883 miles) WSW (249 degrees) of PAPEETE, Tahiti, French Polynesia
Location Uncertainty
Horizontal: 14.1 km; Vertical
Parameters
Nph = 37; Dmin = 926.5 km; Rmss = 1.16 seconds; Gp = 100°M-type = Mb; Version = 6
Event ID
US 2008vzbl

5.3 Mb - TONGA
Preliminary Earthquake Report
Magnitude
5.3 Mb
Date-Time
21 Aug 2008 08:33:24 UTC
21 Aug 2008 21:33:24 near epicenter
21 Aug 2008 02:33:24 standard time in your timezone
Location
15.164S 173.208W
Depth
10 km
Distances
218 km (136 miles) SW (226 degrees) of APIA, Samoa
288 km (179 miles) WSW (249 degrees) of PAGO PAGO, American Samoa
396 km (246 miles) NNE (12 degrees) of Neiafu, Tonga
2535 km (1575 miles) W (273 degrees) of PAPEETE, Tahiti, French Polynesia
Location Uncertainty
Horizontal: 11.5 km; Vertical
Parameters
Nph = 124; Dmin = 207.5 km; Rmss = 0.64 seconds; Gp = 165°M-type = Mb; Version = 7
Event ID
US 2008vzax

5.3 Mb - SOLOMON ISLANDS
Preliminary Earthquake Report
Magnitude
5.3 Mb
Date-Time
20 Aug 2008 19:33:00 UTC
21 Aug 2008 06:33:00 near epicenter
20 Aug 2008 13:33:00 standard time in your timezone
Location
10.145S 161.425E
Depth
76 km
Distances
65 km (40 miles) WNW (301 degrees) of Kira Kira, Solomon Islands
174 km (108 miles) SSE (153 degrees) of Auki, Solomon Islands
178 km (111 miles) ESE (115 degrees) of HONIARA, Solomon Islands
1560 km (970 miles) E (94 degrees) of PORT MORESBY, Papua New Guinea
Location Uncertainty
Horizontal: 10.6 km; Vertical
Parameters
Nph = 45; Dmin = 180.3 km; Rmss = 1.08 seconds; Gp = 64°M-type = Mb; Version = 7
Event ID
US 2008vybl

6.1 Mw - TONGA
Preliminary Earthquake Report
Magnitude
6.1 Mw
Date-Time
19 Aug 2008 16:30:13 UTC
20 Aug 2008 05:30:13 near epicenter
19 Aug 2008 10:30:13 standard time in your timezone
Location
15.115S 173.548W
Depth
10 km
Distances
243 km (151 miles) SW (233 degrees) of APIA, Samoa
320 km (199 miles) WSW (253 degrees) of PAGO PAGO, American Samoa
396 km (246 miles) N (7 degrees) of Neiafu, Tonga
2571 km (1598 miles) W (272 degrees) of PAPEETE, Tahiti, French Polynesia
Location Uncertainty
Horizontal: 9.0 km; Vertical
Parameters
Nph = 166; Dmin = 999.9 km; Rmss = 0.86 seconds; Gp = 61°M-type = Mw; Version = 6
Event ID
US 2008vxbi ***This event supersedes event PT08232006.

5.2 Mb - SOUTH OF FIJI ISLANDS
Preliminary Earthquake Report
Magnitude
5.2 Mb
Date-Time
18 Aug 2008 09:53:26 UTC
18 Aug 2008 21:53:26 near epicenter
18 Aug 2008 03:53:26 standard time in your timezone
Location
19.471S 179.968E
Depth
489 km
Distances
221 km (137 miles) SE (133 degrees) of SUVA, Fiji
1999 km (1242 miles) NNE (16 degrees) of Auckland, New Zealand
Location Uncertainty
Horizontal: 10.5 km; Vertical 14.8 km
Parameters
Nph = 119; Dmin = 999.9 km; Rmss = 0.67 seconds; Gp = 122°M-type = Mb; Version = 7
Event ID
US 2008vwa3 ***This event supersedes event PT08231000.

5.0 Mb - SANTA CRUZ ISLANDS REGION
Preliminary Earthquake Report
Magnitude
5.0 Mb
Date-Time
18 Aug 2008 09:16:21 UTC
18 Aug 2008 20:16:21 near epicenter
18 Aug 2008 03:16:21 standard time in your timezone
Location
10.636S 164.602E
Depth
10 km
Distances
293 km (182 miles) E (94 degrees) of Kira Kira, Solomon Islands
476 km (296 miles) ESE (116 degrees) of Auki, Solomon Islands
526 km (327 miles) ESE (105 degrees) of HONIARA, Solomon Islands
1909 km (1187 miles) E (95 degrees) of PORT MORESBY, Papua New Guinea
Location Uncertainty
Horizontal: 13.6 km; Vertical
Parameters
Nph = 36; Dmin = 527.5 km; Rmss = 1.07 seconds; Gp = 129°M-type = Mb; Version = 7
Event ID
US 2008vwa1
For updates, maps, and technical information, see: Event Page or U.S.G.S. Earthquake Hazards Program
National Earthquake Information CenterU.S. Geological Surveyhttp://neic.usgs.gov/

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