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Posted by feww on March 14, 2012
Magnitude: 6.1Mw
Region: Off Coast of Chiba (Chiba-ken Toho-oki), Japan
Time: 12:05 UTC
Epicenter: 35.8°N, 141.1°E
Depth: 10 km
Source: JMA
Distances (USGS)
Related Links:
Posted in environment | Tagged: chiba quake, japan earthquake, japan earthquake map, Japan quake, Japan quakes | Leave a Comment »
Posted by feww on July 15, 2011
The 5.5Mw quake, epicentered at 36.3N, 140.1E, struck about 59 km NNE of Tokyo at a depth of 60 km at 21:01 JST (UTC + 9 hrs) on 15 July 15, 2011, Japan Meteorological Agency (JMA) said.
There was NO tsunami associated with this quake.
Distances [USGS]
Earthquake Location Map. Source: USGS-EHP
Posted in Japan earthquake forecast, japan earthquake map, Japan Earthquakes 2011 | Tagged: japan earthquake, JPTRMT1, tokyo earthquake forecast 2011 | Leave a Comment »
Posted by feww on July 10, 2011
The quake, epicentered at 38.0ºN 143.5ºE , struck at a depth of 10 km at 09:57 JST (00:57 UTC) on Sunday Jul 10, 2011 off the coast Sanriku (Tohoku Region), Honshu, Japan, Japan’s Meteorological Agency (JMA) reported.
The earthquake occurred about 250km east of Fukushima and 405km NE of Tokyo.
TSUNAMI STATUS: JMA has just issued the following Tsunami Bulletin:
Tsunami Warning/Advisory- Issued at 10:00 JST 10 Jul 2011
Tsunami Advisories have been issued for the following coastal regions of Japan: PACIFIC COAST OF TOHOKU
Tsunami Advisories have been issued for the following coastal regions of Japan:
Tsunami Forecast
Tsunami height is expected to be about 0.5 meters. Attention advised.
10-degree Map Centered at 40°N,145°E
EQ Location Map. Source: USGS
Source: USGS
Posted in Japan Earthquakes 2011 | Tagged: Fukushima, japan earthquake, japan tsunami, Tohoku Region quake, Tokyo | Leave a Comment »
Posted by feww on June 22, 2011
The quake was epicentered at 39.9N, 142.5E about 100 km (62 miles) ENE of Morioka, Honshu, Japan.
Onagawa Nuclear Power Plant
The earthquake struck about 175 km NNE of Onagawa Nuclear Power Plant.
Map of Japan’s Nuclear Power Plants. Click image to enlarge
Issued by Japan Meteorological Agency (JMA) at 06:56 JST 23 Jun 2011
Magnitude: 6.7Mw
Occurred at (JST): 06:51 JST 23 Jun 2011
Epicenter: 39.9N, 142.5E
Depth: 20km
Region: Iwate-ken Oki
Approximate Distances [USGS-EHP]
Tsunami Threat
An initial tsunami advisory issued by JMA was lifted shortly afterwards.
Japan Earthquake Tsunami Map. Click image to enlarge.
EQ Shakemap. Source: USGS
Posted in Japan Earthquakes 2011 | Tagged: Aomori, Hachinohe, Iwate-ken Oki, japan earthquake, JPTRMT1, Onagawa Nuclear Power Plant, tokyo earthquake | Leave a Comment »
Posted by feww on April 11, 2011
The quake measuring 7.1Mw struck at a depth of 10km about 160 km NNE of Tokyo, and 37km W of Iwaki city in Fukushima prefecture.
The powerful quake shook buildings in Tokyo and a large area of eastern Honshu, Japan’s main island.
Japan Meteorological Agency (JMA) reported the earthquake details as follows:
| Occurred at (JST) | Latitude (degree) |
Longitude (degree) |
Depth | Magnitude | Region Name |
| 17:16 JST 11 Apr 2011 | 36.9N | 140.7E | 10 km | 7.1 | Fukushima-ken Hamadori |
As of 12:00UTC
Source: JMA
The powerful quake, which was followed by a tsunami warning, forced technicians to flee the stricken Fukushima Dai-ichi NPP. The latest shock struck amid reports that Japanese authorities were considering to extend the evacuation zone around NPP because of “prolonged exposure to radiation” in several areas.
The villages and towns outside the 20 km evacuation zone that have accumulated radiation will be evacuated, Chief Cabinet Secretary Yukio Edano Edano said at a daily news conference.
The decision to enlarge the evacuation zone around the Fukushima plant is “based on data analysis of accumulated radiation exposure information,” he said.
“These new evacuation plans are meant to ensure safety against risks of living there for half a year or one year,” he said, adding that there was no need for immediate evacuations.
Posted in Japan earthquake forecast, japan earthquake map, Japan Earthquakes 2011, Japan nuclear warning, Japan Trench Megathrust earthquake | Tagged: fukushima Nuclear disaster, Fukushima Nuclear Power Plant, Iwaki, japan earthquake, JPTRMT1 | 1 Comment »
Posted by feww on March 18, 2011
Click Image to enlarge. Download larger image (6 MB, JPEG) – acquired March 14, 2011
Click Image to enlarge. Download larger image (6 MB, JPEG) – acquired March 1, 200
The city of Rikuzentakata (population: 24,000) in Japan’s Iwate prefecture was almost entirely obliterated after the 9.0Mw megaquake and ensuing deadly tsunami struck. The above false-color images were taken by the ASTER instrument on NASA’s Terra satellite before and after the disaster. Source: NASA-EO.
The official death toll in the Megaquake and the tsunami disasters, which is based on names registered with the authorities, stands at 5,695 perished with 9,503 people listed as missing, as of posting. Fire-Earth has previously stated that the actual death toll could reach into tens of thousands due to the severity of the twin catastrophes, a fear that has now been echoed by the Kyodo News Agency.
Up to 400,000 people are currently in temporary shelters, mostly school gymnasiums, enduring severe shortages of water food, warm clothing, heating fuel and all other basic essentials.
The disaster zone is still bombarded with aftershocks, which are expected to continue for many weeks, possibly months. About 340 significant aftershocks (Magnitude ≥5.0) have swarmed the region since the Megaquake struck exactly a week ago.
An update will be posted later.
Posted in japan earthquake, Japan Earthquakes 2011, Japan quake Death Toll | Tagged: japan earthquake, Japan quake, Japan Tsunami Damage Satellite Images, Japan tsunami Satellite Images, Rikuzentakata Tsunami Damage satellite, sendai megaquake | Leave a Comment »
Posted by feww on March 13, 2011
The Sendai Megaquake released about 1.41 2.0 EJ of energy (the equivalent of about 340 480 megatons, or 24,000 34,000 Hiroshima bombs).
As of posting, some 175 significant aftershocks (≥5.0Mw) have been reported since the Megaquake struck.
The Megauake moved Japan’s main island of Honshu 2.4 m (8 feet) to the east, said a USGS geophysicist.
Geologists at the University of Tokyo say the earthquake shifted the Earth’s axis by about 10cm.
The movement also sped up the Earth’s rotation by about 1.6 microseconds, NASA said. [Don't forget to adjust your clocks!!]
Some of the stress energy destroyed structures along the eastern coast of Honshu, and split the ground. As a result the land surface in many areas of Miyagi prefecture has sunk by about 70cm (2.2 ft), trapping water brought in buy the deadly tsunami waves.
[A colleague informs us that according to Japan's Civil Defense manuals people should climb to the third floor of buildings in case of a tsunami. The deadly Sendai Tsunami had reached the fifth floor—about 15 meters high—in many areas!]
Rest of the energy was used to trigger a giant tsunami. The following image shows the energy map of the Tsunami spawned by the Sendai Megaquake.
Energy Map of Japan’s Tsunami Spawned by the 9.0Mw Megaquake
Source: NOAA. Click image to enlarge.
Posted in Energy Map of Japan Tsunami, Energy released by Japan quake | Tagged: earthquake energy, japan earthquake, japan tsunami, sendai mega quake | Leave a Comment »
Posted by feww on March 11, 2011
6 MAJOR AFTERSHOCKS REPORTED BY USGS/EHP 
The Pacific Tsunami Center Warning Center has extended the tsunami warning to the Philippines, Indonesia, Taiwan, the Pacific coast of Russia and Hawaii, Australia, New Zealand, and the entire coast of Central and South America.
Issued at 16:08 JST 11 Mar 2011
******************Headline******************
Major Tsunami and Tsunami have been issued.
JAPAN SEA COAST OF AOMORI PREF.
UCHIBO AREA, CHIBA PREF.
OGASAWARA ISLANDS
SAGAMI BAY AND MIURA PENINSULA
SHIZUOKA PREF.
WAKAYAMA PREF.
TOKUSHIMA PREF.
SETONAIKAI COAST OF OITA PREF.
WESTERN PART OF KAGOSHIMA PREF.
Tsunami attentions are in effect at some of the other coasts now.
Tsunami Advisory
<Tsunami Advisory>
AKITA PREF.
*YAMAGATA PREF.
NIIGATA PREF.,EXCEPT SADOGASHIMA ISLAND
SADOGASHIMA ISLAND
TOYAMA PREF.
NOTO AREA, ISHIKAWA PREF.
HIROSHIMA PREF.
SETONAIKAI COAST OF YAMAGUCHI PREF.
Changed;
Tsunami Advisory –> Tsunami Warning
SETONAIKAI COAST OF OITA PREF.
WESTERN PART OF KAGOSHIMA PREF.
Evacuate from the seashore immediately to the safe places near the above coasts.
Tsunami Warning –> Tsunami Warning
JAPAN SEA COAST OF AOMORI PREF.
UCHIBO AREA, CHIBA PREF.
OGASAWARA ISLANDS
SAGAMI BAY AND MIURA PENINSULA
SHIZUOKA PREF.
WAKAYAMA PREF.
TOKUSHIMA PREF.
At the following coasts (* marks) tsunamis are
expected to arrive right away.
YAMAGATA PREF.
*******Tsunami forecast now in effect********
<Major Tsunami>
IWATE PREF.
MIYAGI PREF.
FUKUSHIMA PREF.
CENTRAL PART OF PACIFIC COAST OF HOKKAIDO
PACIFIC COAST OF AOMORI PREF.
IBARAKI PREF.
KUJUKURI AND SOTOBO AREA, CHIBA PREF.
IZU ISLANDS
EASTERN PART OF PACIFIC COAST OF HOKKAIDO
WESTERN PART OF PACIFIC COAST OF HOKKAIDO
JAPAN SEA COAST OF AOMORI PREF.
UCHIBO AREA, CHIBA PREF.
OGASAWARA ISLANDS
Posted in japan earthquake, Japan quakes, Japan tsunami, Sendai quake | Tagged: japan earthquake, japan earthquakes 2011, JAPAN TSUNAMI UPDATE, mega quake, Sendai earthquake | Leave a Comment »
Posted by feww on March 9, 2011
The quake was widely felt throughout Tokyo region, but there was no report of major damage or casualties in the capital.
Earthquake Details (Source: JMA)
Earthquake location map. Epicenter is marked by a red cross. Bubbles indicate severity of the tremor as felt by local monitoring stations throughout Japan. Source: JMA.
Earthquake location map. Source: USGS
Aftershocks:
Initial tsunami observation: Click here for full details.
Tsunami Warning/Advisory
Issued at 11:48 JST 09 Mar 2011
Tsunami Advisory
PACIFIC COAST OF AOMORI PREF.
IWATE PREF.
MIYAGI PREF.
FUKUSHIMA PREF.
Latest Information: Tsunami Information NUMBER 7
Posted in honshu earthquake, Japan region quake, Japan tsunami | Tagged: japan earthquake, japan earthquake 2011, Japan quake, PACIFIC COAST OF TOHOKU, Sanriku Oki Region quake, Sendai earthquake | 1 Comment »
Posted by feww on December 21, 2010
Earthquake Location Map. Cross shows epicenter of the 7.4Mw quake, while the colored bubbles indicate the seismic intensity at various monitoring centers in Japan. Source: Japan’s Meteorological Agency (JMA). Image may be subject to copyright.
The 7.4Mw quake struck at a depth of 10km and created a tsunami which reached a height of about 3m (10 feet) in at least a dozen locations around Japan’s coastal areas
JMA said on its Website:
Tsunami Observations
As of 05:40 JST (UTC+ 9 hours)
At some parts of the coasts, tsunamis may be higher than those observed at the observation sites.
The tsunamis can become higher from now on.
However, JMA later downgraded the warning to a tsunami advisory for the area.
Tsunami Map for the 7.4Mw Bonin Islands Earthquake. Source: Japan’s Meteorological Agency (JMA). Image may be subject to copyright. The tsunami reached a height of about 3m in at least 12 locations around Japan’s coastal areas.
About 3 dozen strong aftershocks were reported, as of posting, the most significant of which measured 5.0Mw. Many more aftershocks may follow in the coming days and weeks.
More powerful earthquakes, some related to this event, could strike Japan Region, much closer to the coastal areas.
On June 13, 2010, FIRE-EARTH forecast
Fire Earth Model shows that Japan region could be struck by up to 4 additional strong to large earthquakes possibly this year/early next year, one of which could be a catastrophic event.
Posted in Bonin Islands Earthquakes, Chichijima Kinkai, Japan earthquake forecast, Japan tsunami, Ogasawara Islands | Tagged: Bonin Islands, earthquake forecast, japan earthquake, Japan quake, Tokyo Earthquake Forecast | 1 Comment »
Posted by feww on November 30, 2010
The quake struck at a depth of about 480km, too deep to cause a tsunami.
Earthquake Location Map. Cross shows epicenter of the 6.9Mw quake, while the colored bubbles indicate the intensity at various monitoring centers in Japan. Source: Japan’s Meteorological Agency (JMA). Image may be subject to copyright.
Quake Details (JMA)
Distances (USGS)
Japan Earthquake Forecasts (FEWW)
earthquake forecast, Honshu Earthquake Warning, Tokyo Bay earthquake, Tokyo Earthquake Forecast
Posted in earthquake warning Honshu, Earthquakes 2010, Japan earthquake forecast, Tokyo Bay earthquake, tokyo quake forecast | Tagged: Bonin Islands, Japan, japan earthquake, japan earthquake forecast, Ogasawara-shoto Seiho-oki | Leave a Comment »
Posted by feww on June 13, 2010
The 6.2Mw quake was epicentered at 37.4N, 141.8E and struck at a depth 40km off the east coast of Honshu near Fukushima Prefecture, Japan’s Meteorological Agency (JMA) reported.
JMA did not issue a tsunami warning, alert or watch.
Tremors were reportedly felt in the neighboring Tokyo, Miyagi, Yamagata, Tochigi and Ibaraki prefectures, but there was no report of damage or injury, as of posting.
Two nuclear power plants located in the Fukushima prefecture were operating normally, The Tokyo Electric Power Co. said, media reported.
Fire Earth Model shows that Japan region could be struck by up to 4 additional strong to large earthquakes possibly this year/early next year, one of which could be a catastrophic event.
Earthquake Details: GFZ Potsdam – Earthquake Bulletin
Distance [USGS/EHP]
Earthquake Location Map. © Helmholtz-Zentrum Potsdam Deutsches GeoForschungsZentrum – GFZ
Related Links:
Other Links:
Posted in earthquake, earthquake 2010, earthquake forecast, Tokyo Bay | Tagged: Fukushima quake, Iwaki quake, japan earthquake, japan earthquake forecast, Japan Quake 2010 | Leave a Comment »
Posted by feww on May 3, 2010
The quake, centered at 29.8N, 141.6E, struck Torishima Kinkai region at a depth of about 50km on Monday, 03 May 2010 19:28 JST (10:28UTC), Japan’s Meteorological Agency (JMA) reported.
Tsunami Status
JMA did NOT issue any tsunami warnings, advisory or watch, probably due to the fact that the shock occurred deep below the ocean surface.
Approximate Distances (USGS/EHP)
Fire-Earth’s Earlier Forecasts:
Earthquake Details According to GFZ Potsdam – Earthquake Bulletin
Region: Southeast of Honshu, Japan
Time: 2010-05-03 10:27:46.7 UTC
Magnitude: 6.2
Epicenter: 141.41°E, 29.69°N
Depth: 107 km
Status: manually revised
© Helmholtz-Zentrum Potsdam Deutsches GeoForschungsZentrum – GFZ
Related Links:
Serial No 1,665. Starting April 2010, each entry on this blog has a unique serial number. If any of the numbers are missing, it may mean that the corresponding entry has been blocked by Google/the authorities in your country. Please drop us a line if you detect any anomaly/missing number(s).
Posted in earhquake forecast, Izu Islands quake, Seismic Hazard, seismic hazard warning, Torishima Kinkai | Tagged: Bonin Islands, Chichi-shima, Hachijo-jima, japan earthquake, Japan Region Earthquake | Leave a Comment »
Posted by feww on December 18, 2009
The quake was the latest event in a swarm of earthquake that have struck the area since Thursday.
The latest event was located at 35.0N, 139.1E, and occurred at 08:45 JST on 18 Dec 2009, and at a “very shallow” depth, JMA said.
See earlier post for background info: Large Swarm of Quakes Strike Near Honshu, Japan
FEWW Comment: More intense seismic activity may occur in the region. Other geophysical events including seismic, volcanic activity and submarine eruptions may be occurring. The geophysical events in the region could herald a change to the map of Japan.
Above Left: USGS/EHP map of the latest quake measuring 5.3 Mw which struck at a very shallow depth near South Coast of Honshu, Japan.
Above Right: JMA map of the same quake in Izu-hanto Toho-oki. [JMA map may be subject to copyright.]
Related Links:
Posted in earthquake, Hamamatsu, Izu-hanto Toho-oki, japan quake swarm, Kofu quake, Shizuoka quake | Tagged: intraplate earthquakes, japan earthquake, japan quake 2009, northern Izu Island arc, submarine volcanic eruptions, tokyo earthquake | 1 Comment »
Posted by feww on December 17, 2009
The earthquake was preceded by a large swarm of smaller quakes which began striking SSW of Tokyo, near the south coast of Honshu, early Thursday Japan time.
JMA has recorded about 5 dozen quakes measuring 2.0 to 5.3 Mw in the Izu-Hanto region. It appears that submarine volcanic eruptions may be occurring.
The northern Izu Island arc is a tectonically active region, where several destructive interplate [and intraplate] earthquakes, severe earthquake swarms and volcanic eruptions have previously occurred.
Details of the Latest Quake
10-degree Map Centered at 35°N,140°E
Earthquake Location Map. Earthquake location marked in blue also show the area where the swarm is striking. Source of the original map: USGS/EHP. Enhancement: FEWW.
Earthquake Location Maps. Seismicity since December 17, 2009. Source: JMA. Images may be subject to copyright.
FEWW Comment: Regarding the FEWW Forecast of seismicity in Tokyo Bay Area, on November 20, 2009 Fire Earth said: “A tremendous amount of stress energy is unaccounted for in the area near the forecast epicenter.”
Related Links:
Posted in destructive interplate earthquakes, earthquake, northern Izu Island arc, quake swarm, tokyo earthquake | Tagged: Honshu quake, Izu-Hanto, japan earthquake, japan quake 2009, submarine volcanic eruptions | 1 Comment »
