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Earthquakes

Bizarro Earth

Mariana Islands: Earthquake Magnitude 6.1

Marianna Quake_180810
© USGS
Earthquake Location
Date-Time:
Wednesday, August 18, 2010 at 16:28:20 UTC

Thursday, August 19, 2010 at 02:28:20 AM at epicenter

Time of Earthquake in other Time Zones

Location:
12.210°N, 141.456°E

Depth:
43.1 km (26.8 miles)

Region:
MARIANA ISLANDS REGION

Distances:
385 km (240 miles) WSW of HAGATNA, Guam

460 km (285 miles) WSW of Rota, Northern Mariana Islands

470 km (290 miles) NE of Yap, Micronesia

565 km (350 miles) SW of SAIPAN, Northern Mariana Islands

Bizarro Earth

Scientists: Rare Double Quake Caused Deadly Samoa Tsunami

Tonga Quake
© AFP
Stunned survivors search for bodies amongst the debris left by the tsanami on Lalomanu Beach in September 2009.
Wellington - The devastating tsunami which killed nearly 200 people in Samoa and Tonga last September was the result of a rare double earthquake and not one as previously believed, scientists said Wednesday.

Simultaneous earthquakes, with one hiding the other, are unusual "and almost certainly increased the size of the tsunami and its destructiveness on some Tongan islands," New Zealand's GNS Science said in a statement.

Global earthquake readings initially indicated a single large "normal faulting" quake of magnitude 8.0 had occurred, producing an extensional motion while the tsunami waves indicated a "thrust" event with compressional movement.

The scientists said they were unable to reconcile the conflicting data until six weeks after the event when measurements from a small Tongan island showed there must have been two large earthquakes.

Their findings appear this week as the cover story in the prestigious science publication Nature.

"This is a rare phenomenon," lead author John Beavan, a geophysicist at GNS Science, said Wednesday.

Bizarro Earth

Fiji Region: Earthquake Magnitude 6.2

Fiji Quake_170810
© USGS
Earthquake Location
Date-Time:
Monday, August 16, 2010 at 19:35:48 UTC

Tuesday, August 17, 2010 at 07:35:48 AM at epicenter

Time of Earthquake in other Time Zones

Location:
20.768°S, 178.782°W

Depth:
594.8 km (369.6 miles)

Region:
FIJI REGION

Distances:
15 km (10 miles) SSW of Ndoi Island, Fiji

375 km (235 miles) W of NUKU'ALOFA, Tonga

415 km (255 miles) SE of SUVA, Viti Levu, Fiji

1890 km (1170 miles) NNE of Auckland, New Zealand

Bizarro Earth

US: Earthquake Magnitude 4.3 - Wyoming

Image
© USGS
Date-Time:
Tuesday, August 17, 2010 at 02:49:55 UTC

Monday, August 16, 2010 at 08:49:55 PM at epicenter

Time of Earthquake in other Time Zones

Location:
43.616°N, 110.499°W

Depth:
5 km (3.1 miles) set by location program

Region:
WYOMING

Distances:
25 km (15 miles) NE of Jackson, Wyoming

70 km (45 miles) W of Dubois, Wyoming

95 km (60 miles) SSE of Old Faithful, Wyoming

545 km (335 miles) WNW of CHEYENNE, Wyoming

Bizarro Earth

Italian quake triggers rockslides

Rome - A magnitude 4.5 earthquake near the Aeolian islands off Italy's southern coast triggered rockslides near a crowded beach on Monday, sparking panic but no causing injuries, officials and Italian media said.

Local news reports initially reported as many as seven people suffered injuries after the quake struck near the main island of Lipari at 1254 GMT, but officials later denied any caused by the fall of rocks.

"There are no injuries or victims," Senate speaker Renato Schifani, who was vacationing in the area aboard a boat and was evacuated by authorities, told Italian television channel Sky TG24. "The situation is under control."

Local health officials said at least six people suffered panic attacks, including some who jumped into the sea when the rockslides occurred and were bitten by jellyfish, the Ansa news agency said.

"I've never seen the ground shake like this before," Andrea Graffagnini, an event promoter who was in Lipari when the quake struck, told Ansa. "I saw people screaming and jumping into the water in fear."

Bizarro Earth

Mauritius: Earthquake Magnitude 6.3 - Reunion Region

Mauritius Quake_160810
© USGS
Earthquake Location
Date-Time:
Monday, August 16, 2010 at 03:30:55 UTC

Monday, August 16, 2010 at 07:30:55 AM at epicenter

Time of Earthquake in other Time Zones

Location:
17.788°S, 65.692°E

Depth:
10.6 km (6.6 miles)

Region:
MAURITIUS - REUNION REGION

Distances:
320 km (200 miles) NE of Ile Rodrigues, Mauritius

900 km (560 miles) ENE of PORT LOUIS, Mauritius

3135 km (1950 miles) SSW of COLOMBO, Sri Lanka

Bizarro Earth

Papua New Guinea: Earthquake Magnitude 6.3

PNG Quake_150810
© USGS
Earthquake Location
Date-Time:
Sunday, August 15, 2010 at 15:09:30 UTC

Monday, August 16, 2010 at 01:09:30 AM at epicenter

Time of Earthquake in other Time Zones

Location:
5.708°S, 148.337°E

Depth:
183.1 km (113.8 miles) set by location program

Region:
NEW BRITAIN REGION, PAPUA NEW GUINEA

Distances:
145 km (90 miles) WNW of Kandrian, New Britain, PNG

185 km (115 miles) NE of Lae, New Guinea, PNG

435 km (270 miles) NNE of PORT MORESBY, Papua New Guinea

2460 km (1530 miles) NNW of BRISBANE, Queensland, Australia

Bizarro Earth

Mariana Islands: Earthquake Magnitude 6.6

Marianna Quake_140810
© USGS
Earthquake Location
Date-Time:
Saturday, August 14, 2010 at 23:01:05 UTC

Sunday, August 15, 2010 at 09:01:05 AM at epicenter

Time of Earthquake in other Time Zones

Location:
12.211°N, 141.408°E

Depth:
22.5 km (14.0 miles)

Region:
MARIANA ISLANDS REGION

Distances:
390 km (240 miles) WSW of HAGATNA, Guam

465 km (290 miles) WSW of Rota, Northern Mariana Islands

465 km (290 miles) NE of Yap, Micronesia

570 km (355 miles) SW of SAIPAN, Northern Mariana Islands

Bizarro Earth

Mariana Islands: Earthquake Magnitude 6.3

Marianna Quake_140810
© USGS
Earthquake Location
Date-Time:
Saturday, August 14, 2010 at 07:30:16 UTC

Saturday, August 14, 2010 at 05:30:16 PM at epicenter

Time of Earthquake in other Time Zones

Location:
12.328°N, 141.473°E

Depth:
9.7 km (6.0 miles)

Region:
MARIANA ISLANDS REGION

Distances:
375 km (235 miles) WSW of HAGATNA, Guam

450 km (280 miles) WSW of Rota, Northern Mariana Islands

480 km (300 miles) NE of Yap, Micronesia

560 km (345 miles) SW of SAIPAN, Northern Mariana Islands

Bizarro Earth

Mariana Islands: Earthquake Magnitude 6.9

Mariana Quake_130810
© USGS
Earthquake Location
Date-Time:
Friday, August 13, 2010 at 21:19:32 UTC

Saturday, August 14, 2010 at 07:19:32 AM at epicenter

Time of Earthquake in other Time Zones

Location:
12.409°N, 141.487°E

Depth:
4.7 km (2.9 miles) (poorly constrained)

Region:
MARIANA ISLANDS REGION

Distances:
375 km (230 miles) WSW of HAGATNA, Guam

445 km (275 miles) WSW of Rota, Northern Mariana Islands

485 km (300 miles) NE of Yap, Micronesia

550 km (340 miles) WSW of SAIPAN, Northern Mariana Islands