Thursday, July 26, 2007
Earthquake Swarm Strikes Africa, Puzzles Experts
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LionPosted by Ninja T. Penguin Posted by Ninja T. Penguin
(Nicholas Wadhams - National Geographic News) from Kenya.
The tremors began on July 12, so faint that they were barely noticed. A week later, a couple of good jolts sent people fleeing their offices in downtown Nairobi. Then the tremors were gone.
Scientists are still unsure about what exactly caused this "earthquake swarm"—a cluster of relatively mild shakes spaced out over several days in Kenya and Tanzania. The quakes—one of which reached magnitude 5.9—caused little damage but spread fear that a big quake was imminent. (What is an earthquake?)
Was it fault activity along the Rift Valley, where the African tectonic plate is stretching? Or was it Ol Doinyo Lengai, a Tanzanian volcano that sits near the swarm's epicenter?
"Mountain of God" Takes the Heat
So far,...
Read More...
LionPosted by Ninja T. Penguin Posted by Ninja T. Penguin
(Nicholas Wadhams - National Geographic News) from Kenya.
The tremors began on July 12, so faint that they were barely noticed. A week later, a couple of good jolts sent people fleeing their offices in downtown Nairobi. Then the tremors were gone.
Scientists are still unsure about what exactly caused this "earthquake swarm"—a cluster of relatively mild shakes spaced out over several days in Kenya and Tanzania. The quakes—one of which reached magnitude 5.9—caused little damage but spread fear that a big quake was imminent. (What is an earthquake?)
Was it fault activity along the Rift Valley, where the African tectonic plate is stretching? Or was it Ol Doinyo Lengai, a Tanzanian volcano that sits near the swarm's epicenter?
"Mountain of God" Takes the Heat
So far,...
Read More...
| Recent Significant Earthquakes | |||||
| Date | Magnitude | Latitude | Longitude | Depth | Region |
| Network: USGS | |||||
| 2007-07-26 05:40 | 6.9 | 2.8000 | 127.4930 | 44.6 | MOLUCCA SEA |
| 2007-07-26 05:40 | 7.0 | 2.7100 | 127.3900 | 33.0 | MOLUCCA SEA |
| 2007-07-25 23:37 | 6.2 | 7.0840 | 92.5880 | 24.5 | NICOBAR ISLANDS, INDIA REGION |
| 2007-07-25 15:04 | 5.0 | -5.4680 | 151.4840 | 111.3 | NEW BRITAIN REGION, PAPUA NEW GUINEA |
| 2007-07-24 19:33 | 5.0 | -2.9290 | 141.4620 | 41.1 | NEAR NORTH COAST OF NEW GUINEA, P.N.G. |
| 2007-07-24 18:32 | 5.8 | -56.0730 | -142.0640 | 10.0 | PACIFIC-ANTARCTIC RIDGE |
| 2007-07-24 14:51 | 5.4 | 2.2440 | 97.9550 | 46.1 | NORTHERN SUMATRA, INDONESIA |
| 2007-07-23 22:30 | 5.4 | 14.4150 | -91.0280 | 112.5 | GUATEMALA |
| 2007-07-23 13:40 | 5.6 | 23.6700 | 121.6380 | 40.2 | TAIWAN |
| 2007-07-23 06:03 | 5.6 | -3.8760 | -104.0600 | 10.0 | CENTRAL EAST PACIFIC RISE |
| Recent Significant Earthquakes | |||||
| Date | Magnitude | Latitude | Longitude | Depth | Region |
| Network: EMSC | |||||
| 2007-01-02 03:13 | 5.1 | 27.0400 | 140.4000 | 348.0 | BONIN ISLANDS, JAPAN REGION |
| 2007-01-01 11:14 | 5.0 | -8.1100 | 106.5900 | 10.0 | SOUTH OF JAVA, INDONESIA |
| 2007-01-01 00:31 | 5.1 | 1.5200 | 67.1800 | 33.0 | CARLSBERG RIDGE |
| 2007-01-01 00:30 | 5.1 | -5.4600 | 70.8100 | 33.0 | CHAGOS ARCHIPELAGO REGION |
| 2007-01-01 00:18 | 5.0 | -26.2300 | 179.8400 | 275.0 | SOUTH OF FIJI ISLANDS |
| 2006-12-31 22:48 | 5.1 | -28.5200 | -112.2000 | 35.0 | EASTER ISLAND REGION |
| 2006-12-31 14:55 | 5.5 | -37.4400 | -70.6900 | 40.0 | NEUQUEN, ARGENTINA |
| 2006-12-31 13:12 | 5.2 | -8.2000 | 111.0800 | 83.0 | JAVA, INDONESIA |
| 2006-12-30 22:34 | 5.3 | 43.3400 | 146.3700 | 60.0 | KURIL ISLANDS |
| 2006-12-30 17:49 | 5.0 | 35.0800 | 139.3600 | 80.0 | NEAR S. COAST OF HONSHU, JAPAN |
| Recent Volcanic Activity | |||||
| Date | Latitude | Longitude | Status | VolcanoName | Country |
| 2007-03-31 19:02 | 16.720 | -62.180 | Orange | Soufriere Hills | West Indies |
| 2007-03-27 09:02 | -0.980 | 100.680 | Orange | Talang | Sumatra |
| 2007-03-31 19:02 | 1.110 | 124.730 | Orange | Soputan | Sulawesi |
| 2007-03-28 06:02 | -19.520 | 169.430 | Orange | Yasur | So. Pacific |
| 2006-09-07 08:02 | -7.940 | 112.950 | Orange | Tengger | Java |
| 2007-03-31 06:02 | -16.360 | 70.700 | Orange | Ubinas | Peru |
| 2007-03-27 12:02 | 37.730 | 15.000 | Orange | Mt. Etna | Sicily |
| 2007-03-28 19:02 | 1.220 | -77.170 | Orange | Galeras | Colombia |
| 2007-03-27 12:02 | -2.750 | 35.900 | Orange | Ol Doinyo Lengai | E. Africa |
| 2007-03-31 06:02 | 31.580 | 130.670 | Orange | Sakura-Jima | Japan |
