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Earthquakes

Bizarro Earth

7.1 aftershock hits Japan

A warning for a small wave is issued on the one-month anniversary of the giant quake and tsunami.

Image
© Kyodo News
Survivors in Miyako, Japan, observe a moment of silence in the rubble exactly a month after a massive earthquake and tsunami.
A strong earthquake rattled Japan's northeast Monday and sparked a fresh tsunami alert on the one-month anniversary of the massive temblor and wave that devastated the northeastern coast and unleashed a still-unfolding nuclear crisis.

The 7.1-magnitude aftershock briefly forced Tokyo's main international airport to close both of its runways. The epicenter was just inland and about 100 miles north of Tokyo. The operator of the crippled Fukushima Daiichi nuclear complex said the latest quake had no impact on the plant.

A warning was issued for a three-foot tsunami, the same as for after an aftershock that shook the northeast coast last week. That quake generated no tsunami.

People at a large electronics store in the northeastern city of Sendai screamed and ran outside, though the shaking made it hard to move around. Mothers grabbed their children, and windows shook. After a minute or two, people returned to the store.

Bizarro Earth

Japan - Earthquake Magnitude 6.1 - Kyushu

Kyushu Quake_090411
© USGS
Earthquake Location
Date-Time:
Saturday, April 09, 2011 at 12:57:49 UTC

Saturday, April 09, 2011 at 09:57:49 PM at epicenter

Time of Earthquake in other Time Zones

Location:
30.013°N, 131.810°E

Depth:
21.3 km (13.2 miles)

Region:
KYUSHU, JAPAN

Distances:
212 km (131 miles) S of Miyazaki, Kyushu, Japan

213 km (132 miles) SE of Kagoshima, Kyushu, Japan

948 km (589 miles) SSE of SEOUL, South Korea

973 km (604 miles) SW of TOKYO, Japan

Bizarro Earth

5.2-magnitude quake jolts Philippines

Image
© Agence France-Presse
A quake reading on a seismograph. A moderate 5.2-magnitude earthquake jolted the Philippines early Saturday, seismologists said, but there were no immediate reports of damage or tsunami warnings issued
A moderate 5.2-magnitude earthquake jolted the Philippines early Saturday, seismologists said, but there were no immediate reports of damage or tsunami warnings issued.

The earthquake struck at 2:29 am (18:29 GMT) around 105 kilometres (65 miles) southwest of Olongapo on the Philippines' Luzon island and 125 kms southwest of the capital Manila, the US Geological Survey said.

It hit at a relatively shallow depth of 24 kms (15 miles), the USGS said.

People in the Philippines have been nervous about a potential killer quake following the devastating ones to have hit Japan and New Zealand recently.

Bizarro Earth

US: Earthquake Magnitude 4.2 - Arkansas

Image
© USGS
Date-Time:
Friday, April 08, 2011 at 14:56:32 UTC

Friday, April 08, 2011 at 09:56:32 AM at epicenter

Location:
35.261°N, 92.362°W

Depth:
6.3 km (3.9 miles)

Region:
ARKANSAS

Distances:
4 km (3 miles) NE (34°) from Greenbrier, AR

8 km (5 miles) SE (138°) from Twin Groves, AR

8 km (5 miles) SSW (200°) from Guy, AR

21 km (13 miles) NNE (23°) from Conway, AR

58 km (36 miles) N (357°) from Little Rock, AR

419 km (260 miles) SSW (207°) from St. Louis, MO

Bizarro Earth

Japan: New Earthquake Brings Tsunami Warning

A powerful earthquake off the northeast coast of Japan shook a large area late Thursday. The jolt appeared to be an aftershock from the catastrophic earthquake and tsunami that hit Japan nearly four weeks ago.

The earthquake generated a tsunami warning, and Japan's NHK television immediately warned residents in the area to move to higher ground, but there were no immediate reports of major disruptions in the ocean.

The earthquake and tsunami alert raised fears about possible effects at the damaged Fukushima nuclear reactor, which has been leaking radio since the original earthquake.

The Tokyo Electric Power Company said it had no reports of any new damage or casualties near the reactor site caused by Thursday's earthquake, which hit shortly before midnight (at 1432 UTC). The aftershock was initially recorded at magnitude 7.4, but the U.S. Geological Survey later downgraded the jolt to magnitude 7.1 - still a powerful earthquake overall, but far less dangerous than the 9.0-magnitude shock on March 11.

Speaking at a news conference, a TEPCO official said water-pumping operations were continuing to keep the nuclear plant's fuel rods from overheating to a dangerous degree. Workers at the plant have been struggling to bring the nuclear reactors under control for the past three weeks.

Bad Guys

Updated: Japan - Earthquake Magnitude 7.1 - Honshu

Image
© USGS
Date-Time:
Thursday, April 07, 2011 at 14:32:41 UTC

Thursday, April 07, 2011 at 11:32:41 PM at epicenter

Time of Earthquake in other Time Zones

Location:
38.253°N, 141.640°E

Depth:
25.6 km (15.9 miles)

Region:
NEAR THE EAST COAST OF HONSHU, JAPAN

Distances:
66 km (41 miles) E of Sendai, Honshu, Japan

114 km (70 miles) E of Yamagata, Honshu, Japan

116 km (72 miles) ENE of Fukushima, Honshu, Japan

330 km (205 miles) NNE of TOKYO, Japan

Bizarro Earth

Mexico: Earthquake Magnitude 6.5 - Veracruz

Image
© USGS
Date-Time:
Thursday, April 07, 2011 at 13:11:24 UTC
Thursday, April 07, 2011 at 08:11:24 AM at epicenter
Time of Earthquake in other Time Zones

Location:
17.431°N, 93.978°W

Depth:
167.4 km (104.0 miles)

Region:
VERACRUZ, MEXICO

Distances:
91 km (56 miles) SSE of Coatzacoalcos, Veracruz, Mexico

118 km (73 miles) NW of Tuxtla Gutierrez, Chiapas, Mexico

127 km (78 miles) WSW of Villahermosa, Tabasco, Mexico

590 km (366 miles) ESE of MEXICO CITY, D.F., Mexico

Bizarro Earth

Volcanic quakes recorded at Taal, Bulusan; crater glow at Mayon

Image
© Unknown
Restive Taal Volcano continued to show signs of activity, as state volcanologists recorded at least five volcanic quakes there in the last 24 hours.

The Philippine Institute of Volcanology and Seismology (Phivolcs) on Wednesday said it also observed weak steaming activity at the thermal area of the main crater-lake.

Phivolcs also reiterated its warning against carbon dioxide in the area, saying gas measurements in March amounted to 4,670 tons per day - double the 2,250 tons per day in January.

"The remarkable increase in C02 [Carbon dioxide] concentration indicates anomalous gas release from the magma at depth," it said.

It added Alert Level 1 remains over Taal Volcano, saying no eruption is imminent but the public should strictly observe some safety precautions.

Phivolcs said the main crater should remain strictly off-limits because sudden hazardous steam-driven explosions may occur and high concentrations of toxic gases may accumulate.

Bizarro Earth

Indonesia - Earthquake Magnitude 6.0 - Kepulauan Talaud

Indon Quake_050411
© USGS
Earthquake Location
Date-Time:
Tuesday, April 05, 2011 at 11:14:15 UTC

Tuesday, April 05, 2011 at 07:14:15 PM at epicenter

Time of Earthquake in other Time Zones

Location:
3.061°N, 126.973°E

Depth:
17.6 km (10.9 miles)

Region:
KEPULAUAN TALAUD, INDONESIA

Distances:
256 km (159 miles) N of Ternate, Moluccas, Indonesia

292 km (181 miles) NE of Manado, Sulawesi, Indonesia

959 km (595 miles) WSW of KOROR, Palau

1436 km (892 miles) SSE of MANILA, Philippines

Bizarro Earth

7.1-magnitude quake strikes off Indonesian island, tsunami warning issued

Jakarta -- A powerful earthquake struck off the Indonesian island of Java on early Monday morning, seismologists said, prompting a tsunami warning for some local regions.

The 7.1-magnitude earthquake at 3.06 a.m. local time (2006 GMT Sunday) was centered about 279 kilometers (173 miles) south-southwest of Tasikmalaya on Java. It struck about 10 kilometers (6.2 miles) deep, making it a shallow earthquake, according to Indonesia's seismological agency.

Authorities in Indonesia immediately issued a tsunami warning for some coastal areas, while the Pacific Tsunami Warning Center said there was no threat of a Pacific-wide tsunami.