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Earthquakes

Bizarro Earth

Earthquake Swarm Just Part of New Kilauea Activity

Hawaii Volcanoes National Park - Scientists at the Hawaiian Volcano Observatory on the Big Island of Hawaii are looking at a swarm of small earthquakes that shook Kilauea Volcano last week.

There were at least 42 earthquakes in the area within a 24 hour period that started Thursday. Geophysicists said while the temblors have diminished, they are another clue in what may come next at the world's most active volcano.

"Kilauea's summit has been extending, meaning that more magma is coming up to the summit than is going out to the east rift zone," said Jim Kauahikaua, the observatory's scientist in charge. That means there's move lava underground that's headed toward the actual Kilauea caldera, rather than the zone where most of the activity has been in the volcano's 28 year long eruption.

According to Kauahikaua, the extension of the crater has been going on for a few months.

"This extension of the summit is also reflected in the rise in lava in the Halemaumau vent," he said.

"All of them are indications that pressure is increasing in the magma chamber below the summit."

Bizarro Earth

Chile: Earthquake Magnitude 6.6 - Offshore Maule

Chile Quake_140211
© USGS
Earthquake Location
Date-Time:
Monday, February 14, 2011 at 03:40:10 UTC

Monday, February 14, 2011 at 12:40:10 AM at epicenter

Time of Earthquake in other Time Zones

Location:
35.433°S, 72.739°W

Depth
25.4 km (15.8 miles)

Region
OFFSHORE MAULE, CHILE

Distances
70 km (45 miles) NNW of Cauquenes, Maule, Chile

95 km (60 miles) W of Talca, Maule, Chile

140 km (90 miles) NNW of Chillan, Bio-Bio, Chile

290 km (180 miles) SW of SANTIAGO, Region Metropolitana, Chile

Bizarro Earth

Chile: Earthquake Magnitude 6.0 - Off Coast of Bio Bio

Chile Quake_130211
© USGS
Earthquake Location
Date-Time:
Sunday, February 13, 2011 at 10:35:06 UTC

Sunday, February 13, 2011 at 07:35:06 AM at epicenter
Time of Earthquake in other Time Zones

Location:
36.623°S, 73.165°W

Depth
13.3 km (8.3 miles)

Region
BIO-BIO, CHILE

Distances
25 km (15 miles) NNW of Concepcion, Bio-Bio, Chile

95 km (60 miles) W of Chillan, Bio-Bio, Chile

105 km (65 miles) SW of Cauquenes, Maule, Chile

420 km (260 miles) SSW of SANTIAGO, Region Metropolitana, Chile

Bizarro Earth

Tonga: Earthquake Magnitude 6.1 - 12th February

Tonga Quake_120211
© USGS
Earthquake Location
Date-Time:
Saturday, February 12, 2011 at 17:57:56 UTC

Sunday, February 13, 2011 at 06:57:56 AM at epicenter

Time of Earthquake in other Time Zones

Location:
20.785°S, 175.589°W

Depth
81 km (50.3 miles)

Region
TONGA

Distances
55 km (35 miles) NW of NUKU'ALOFA, Tonga

290 km (180 miles) SW of Neiafu, Tonga

325 km (200 miles) E of Ndoi Island, Fiji

2010 km (1250 miles) NNE of Auckland, New Zealand

Bizarro Earth

Chile: Earthquake Magnitude 6.1 - Off Coast of Bio Bio

Chile Quake_ 120211
© USGS
Earthquake Location
Date-Time:
Saturday, February 12, 2011 at 01:17:03 UTC

Friday, February 11, 2011 at 10:17:03 PM at epicenter

Time of Earthquake in other Time Zones

Location:
36.985°S, 73.077°W

Depth
14.8 km (9.2 miles) set by location program

Region
BIO-BIO, CHILE

Distances
15 km (10 miles) S of Concepcion, Bio-Bio, Chile

85 km (50 miles) NW of Los Angeles, Bio-Bio, Chile

85 km (55 miles) NE of Lebu, Bio-Bio, Chile

450 km (280 miles) SSW of SANTIAGO, Region Metropolitana, Chile

Radar

Strong Earthquake Jolts Chile

Image
© Associated Press
The epicenter is near the site of a massive quake and resulting tsunami that killed at least 521 people and left 200,000 homeless a year ago.
Magnitude-6.8 Temblor Centered Near Exact Same Spot as Last Year's Devastating Quake; No Reports of Injuries or Damage

Cauquenes, Chile - A magnitude-6.8 earthquake struck central Chile Friday, centered in almost exactly the same spot where last year's magnitude-8.8 quake spawned a tsunami and devastated coastal communities.

Electricity and phone service were disrupted and thousands of people fled to higher ground following Friday's quake, but the government quickly announced that there was no risk of a tsunami, and there were no reports of damage or injuries.

President Sebastian Pinera appealed for calm and praised his government and Chileans in general for responding quickly.

"Today we're better prepared," Pinera said. "I think we've learned the lesson of Feb. 27, 2010."

Rodrigo Ubilla, the vice interior minister, said the navy had "totally discounted any risk of a tsunami."

Still, the strong earthquake frightened many Chileans, especially along the coast, where people quickly moved to higher ground.

Bizarro Earth

Chile: Earthquake Magnitude 6.3 - Off Coast of Bio-Bio

Chile Quiake2_110211
© USGS
Earthquake Location
Date-Time:
Friday, February 11, 2011 at 23:39:21 UTC

Friday, February 11, 2011 at 08:39:21 PM at epicenter

Time of Earthquake in other Time Zones

Location:
37.181°S, 73.484°W

Depth:
13.5 km (8.4 miles)

Region:
OFFSHORE BIO-BIO, CHILE

Distances:
50 km (30 miles) NNE of Lebu, Bio-Bio, Chile

55 km (35 miles) SW of Concepcion, Bio-Bio, Chile

105 km (65 miles) WNW of Los Angeles, Bio-Bio, Chile

485 km (300 miles) SSW of SANTIAGO, Region Metropolitana, Chile

Bizarro Earth

Chile: Earthquake Magnitude 6.8 - Off Coast of Bio-Bio

Image
© USGS
Date-Time:
Friday, February 11, 2011 at 20:05:30 UTC

Friday, February 11, 2011 at 05:05:30 PM at epicenter

Time of Earthquake in other Time Zones

Location:
36.432°S, 73.050°W

Depth:
18.4 km (11.4 miles)

Region:
OFFSHORE BIO-BIO, CHILE

Distances:
45 km (28 miles) N (360°) from Concepcion, Chile

164 km (102 miles) SW (229°) from Talca, Chile

260 km (162 miles) N (352°) from Temuco, Chile

392 km (243 miles) SSW (213°) from SANTIAGO, Chile

Attention

Twin Quakes Strike Off Philippines

Two big earthquakes struck under the Celebes Sea between the Philippines and Indonesia late on Thursday, the US Geological Survey said.

The biggest quake, measured at 6.7 magnitude, hit 330 kilometres from the town of General Santos on the Philippine island of Mindanao, and roughly the same distance from Manado on the Indonesian island of Sulawesi.

It was 512 kilometres deep, the USGS said.

It came two minutes after a 6.5-magnitude quake a few kilometres away and at a similar depth.

The US Pacific Tsunami Warning Centre, based in Hawaii, did not issue a tsunami warning following the earthquakes.

The area is part of the Pacific's so-called Ring of Fire, a zone of frequent tectonic activity where earthquakes and volcanic eruptions are common.

Attention

Monaco: Three 'mini-quakes' hit the the Cote d'Azur

Monaco Port
© The Riveria Times
The quakes happened around the coast of Monaco
Just days after a minor earthquake was recorded off the coast of Menton, three further tremors have been registered in Monaco.

The Geo-Azur Laboratory confirmed that the first of these latest rumbles was registered at around 10.32am on the 8th February and hit 2.3 on the richter scale. The second, felt at about 2.02pm, had increased to 2.4 in its maginitude and finally came the third and strongest quake, which reached 2.8 ML.

Although the fire department in Menton did not receive any emergency calls at the time of the first minor tremor, several residents in Monaco, from Fontviellle and Monte-Carlo in particular, phoned police two days ago to find out what was happening.

Jena Luc Berenguer, Professor of the European Center of Valbonne, told press that the seismologists who recorded the movement under the Mediterranean Sea are not sure if all four were caused by the same fracture in the sea bed or if there is any link between the Menton and Monaco tremors at all. He added that although it is impossible to make any predictions, there was no great cause for concern at present. In fact if the technology was not in place to register signs of these 'mini-quakes', most of the region's residents would not be aware that they were even happening.