A powerful phreatic explosion took place at Asosan's Nakadake crater at 02:43 UTC (14:43 JST) on October 20, 2021, prompting the Japan Meteorological Agency (JMA) to raise the Alert Level from 2 to 3 at 02:48 UTC. The eruption came one week after volcanic...
October 20, 2021
A strong earthquake registered by the JMA as M6.1 hit near Tokyo, Japan at 13:41 UTC (22:41 LT) on October 7, 2021, at a depth of 80 km (50 miles). The USGS is reporting M5.9 at a depth of 62 km (38 miles), EMSC M5.9 at 80 km (50 miles). The epicenter was located...
October 07, 2021
A strong earthquake registered by the JMA as M6.0 hit off the coast of Iwate Prefecture, Honshu, Japan at 17:46 UTC on October 5, 2021, at a depth of 50 km (31 miles). USGS is reporting it as M5.6 at a depth of 54 km (33 miles), EMSC M5.6 at 60 km (37 miles). The...
October 05, 2021
A deep earthquake registered by the JMA as M6.1 hit the central Sea of Japan at 08:37 UTC (17:37 JST) on September 29, 2021. The agency is reporting a depth of 400 km (248 miles). The USGS is reproing M6.1 at a depth of 367.7 km (228 miles). The epicenter was...
September 29, 2021
The Japan Meteorological Agency (JMA) has raised the Volcanic Alert Level for Suwanosejima volcano from 2 to 3 at 17:30 UTC on September 16, 2021. Authorities are urging residents of Toshima Village, Kagoshima Prefecture to refrain from entering the danger zone. The...
September 17, 2021
Japanese weather officials are advising people in the west of the country to be on alert for landslides, strong winds and high waves caused by Tropical Storm "Chanthu." The system is still hovering over the East China Sea, but it's slowly moving...
September 16, 2021
The Japan Coast Guard has made another overflight of the newly-created island at Fukutoku-Okanoba volcano on August 26, 2021. The island has grown in size since the last flight on August 16 and a large amount of pumice is still present near the volcano. Image...
August 29, 2021
A new island has been discovered some 50 km (31 miles) south of Iwo Jima, Ogasawara Islands, Japan just three days after a major submarine eruption at Fukutoku-Oka-no-Ba volcano. According to the Japan Meteorological Agency (JMA) the new island is approximately 1 km...
August 16, 2021
Extremely heavy rains are falling across parts of western and southwestern Japan since Thursday, August 12, 2021, causing floods and landslides and prompting authorities to issue evacuation orders. At least 1 person was killed and two others are missing, as of early...
August 13, 2021
A major eruption started at the Japanese submarine Fukutoku-Oka-no-Ba volcano at around 21:20 UTC on August 12, 2021, and continued into August 13. According to the Tokyo VAAC, volcanic ash was rising up to 16.4 km (54 000 feet) above sea level at 23:50 UTC and...
August 13, 2021
A stationary front near the Tsushima Strait is dropping extremely heavy rains on parts of western Japan on August 12, 2021, forcing authorities to issue warnings and evacuation orders. Officials are calling on residents to be on alert and stay safe as a linear band...
August 12, 2021
An unprecedented heatwave is sweeping over Hokkaido, Japan, with numerous all-time records falling almost every day. Very high temperatures are expected to continue over the next 14 days. One of the most notable records on July 27 was registered in Asahikawa, holder...
July 28, 2021
Tropical Storm "Nepartak" -- the 8th named storm of the 2021 Pacific typhoon season -- is heading toward the eastern coast of Honshu, Japan. Landfall is expected in an area close to Sendai City, Tohoku Region around midnight UTC on July 28, 2021, with...
July 27, 2021
Extremely heavy rains affecting parts of southwestern Japan over the past couple of days forced hundreds of thousands to evacuate. Severe weather continues in the region and is forecast to spread to mainland Japan, all the way to Tohoku. On Monday, July 12, 2021,...
July 12, 2021
The Japan Meteorological Agency (JMA) has issued its highest level rain alert for parts of Kyushu, southwestern Japan on Saturday, July 10, 2021, leading local authorities to instruct hundreds of thousands to take immediate safety measures. Reports of river flooding...
July 10, 2021
At least 20 people are missing and two were found in a state of cardiac arrest after a large-scale mudslide hit Atami, a seaside resort town in Shizuoka Prefecture, Japan at around 10:30 LT on July 3, 2021. Atami is about 100 km (62 miles) SW of Tokyo. The slide...
July 03, 2021
Suwanosejima volcano erupted at 15:04 UTC on June 22, 2021 (12:04 JST, June 23), ejecting large rocks as far as 1 km (0.62 miles) from the crater and prompting the Japan Meteorological Agency (JMA) to raise the Volcanic Alert Level from 2 to 3 (on a scale of 1 - 5)....
June 23, 2021
A strong earthquake registered by the JMA as M6.0 hit near the east coast of Honshu, Japan at 23:58 UTC on May 13, 2021 (08:58 JST, May 14). The agency is reporting a depth of 40 km (25 miles). USGS is reporting M6.0 at a depth of 32 km (20 miles); EMSC M6.0 at a...
May 14, 2021
This year's rainy season in SW Japan has started almost a full month earlier than normal, becoming the 2nd earliest rainy season on record. "It's definitely interesting to watch because the earlier the rainy season front gets toward the north, the...
May 12, 2021
A strong earthquake registered by the Japan Meteorological Agency (JMA) as M6.6 hit off the coast of Miyagi Prefecture, Honshu, Japan at 01:27 UTC (10:27 JST) on May 1, 2021. The agency is reporting a depth of 60 km (37 miles). USGS is reporting M6.8 at a depth of...
May 01, 2021
Previous studies have shown elevated levels of radon in the atmosphere prior to the mainshock of a huge inland earthquake. However, in a new study, researchers revealed an anomaly in this phenomenon as they found that the concentration of the radioactive element...
April 13, 2021
Two strong eruptions were recorded at Suwanosejima volcano, Kagoshima prefecture, Japan on March 30, 2021, ejecting large rocks nearly 1 km (0.62 miles) from the crater and prompting the Japan Meteorological Agency (JMA) to raise the alert level to 3 (on a scale of...
March 31, 2021
A powerful earthquake registered by the JMA as M7.2 hit near the east coast of Honshu, Japan at 09:09 UTC (18:09 JST) on March 20, 2021. The agency is reporting a depth of 60 km (37 miles). USGS is reporting M7.0 at a depth of 54 km (33 miles). JMA has issued...
March 20, 2021
Heavy snow has been falling intermittently in Hokkaido, Japan, since Tuesday, February 23, 2021, with Iwamizawa city recording its second-highest snowfall of 2.05 m (6.7 feet) on Thursday, 25. It resulted in disruptions in the city, particularly in train services...
February 26, 2021
Radioactive cesium fivefold higher the permitted levels have been detected in a black rockfish found in northeastern Fukushima Prefecture in Japan, a local fishing association announced on Monday, February 22, 2021. Roughly 500 becquerels per kilogram of cesium was...
February 24, 2021
A severe snowstorm started affecting northern Japan on Tuesday, February 16, 2021, causing flooding and transport disruptions. The Japan Meteorological Agency (JMA) warned it could become the most powerful blizzard in years and cause whiteout conditions through...
February 16, 2021
A very strong earthquake registered by the Japan Meteorological Agency (JMA) as M7.1 hit near the east coast of Honshu, Japan at 14:07 UTC (23:07 JST) on February 13, 2021. The agency is reporting a depth of 60 km (37 miles). USGS is reporting M7.1 at a depth of 35...
February 13, 2021
A bright fireball was seen and recorded over Japan at 11:32 UTC on January 20, 2021 (20:32 JST). The object was seen for several seconds over wide areas of Japan, including Kanto, Tokai, and Kinki. Fujii Daichi, a curator who specializes in astronomy at the...
January 21, 2021
At least one person died while 10 others sustained injuries as heavy snowfall blanketed wide areas of northeastern Japan, resulting in a multiple-vehicular accident on Tuesday, January 19, 2021. More than 130 vehicles and some 200 people were involved in the pileup...
January 19, 2021
A powerful winter storm is affecting Japan since Thursday, January 7, 2021, dropping record-breaking snow, stranding more than 1 200 vehicles, and claiming the lives of at least 10 people in snow-related incidents on January 9 and 10. Heavy snowfall fell across wide...
January 11, 2021
A powerful winter storm is affecting areas along the Sea of Japan on January 8, 2021, bringing dangerous winds, high waves, heavy snow, and blizzard conditions. The Japan Meteorological Agency (JMA) warned heavy snow and powerful winds are expected through Sunday,...
January 08, 2021
Radiation at the Fukushima No. 1 nuclear plant is far worse than previously thought, with the levels estimated at 10 sieverts per hour-- a fatal dose for anyone who stays in the vicinity for an hour, according to experts. This means it will be extremely difficult...
January 05, 2021
The Japan Meteorological Agency (JMA) issued warnings for blizzards, high waves, and freezing temperatures as a potent winter storm pressure system continues affecting the country, mainly areas along the Sea of Japan through New Year's Day. The storm could...
December 31, 2020
A strong explosive eruption took place at Suwanosejima's Mt. Otake crater at 17:51 UTC on December 27, 2020 (02:51 JST, December 28). As a result, the Japan Meteorological Agency (JMA) raised the Alert Level from 2 to 3 -- Near-crater warning, do not approach...
December 28, 2020
A strong and shallow earthquake registered by the JMA as M6.3 hit near the east coast of Honshu, Japan at 17:23 UTC on December 20, 2020 (02:23 JST, December 21). The agency is reporting a depth of 10 km (6.2 miles). USGS is reporting M6.2 at a depth of 10 km; EMSC...
December 20, 2020
The snow was falling at an unprecedented rate over parts of Japan this week, stranding more than 2 000 vehicles and forcing authorities to deploy the military to help trapped people. In addition, more than 10 000 homes were left without electricity. JMA said that...
December 18, 2020
The season's most powerful cold air mass is bringing remarkably heavy snow to wide swaths of Japan on Wednesday, December 16, 2020. Meteorologists said the snow is falling at an unprecedented rate due to the combination of unseasonably cold Siberian air and...
December 16, 2020
Explosive eruption continues at Sakurajima volcano, with moderate to strong explosions on December 9 and 10 becoming nearly continuous. An explosion at 19:30 UTC on December 9, produced a volcanic ash column up to 3.6 km (12 000 feet) above sea level, extending...
December 10, 2020
After a few months of low-level activity, a strong explosion took place at Japan's Sakurajima volcano at 02:55 UTC on December 2, 2020. Part of the eruptive column was obscured by a meteorological cloud, making height estimate difficult. Finally saw some...
December 02, 2020
A very bright fireball streaked through the night sky over central Japan at around 16:35 UTC on November 28, 2020 (01:35 JST, November 29). The object was seen and recorded from many parts of western and central Japan and was accompanied by a rumbling noise....
November 29, 2020
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