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Japan Meteorological Agency (JMA)

The Japan Meteorological Agency (JMA) is a governmental body headquartered in Minato, Tokyo, operating under the Ministry of Land, Infrastructure, Transport and Tourism. Its primary mission is to prevent and mitigate natural disasters, ensure transportation safety, foster industrial development, and enhance public welfare. The JMA achieves this by monitoring the Earth’s environment and forecasting natural phenomena. Its main activities include weather forecasting, issuing earthquake, tsunami, and volcanic eruption warnings, and conducting extensive research in meteorology, hydrology, seismology, and volcanology.

Japan Meteorological Agency (JMA)

Typhoon Jangmi churns along Japan’s Pacific coast, leaves dozens hurt

Heavy rain continued in the Tokyo metropolitan area in the morning, with flood danger warnings for several rivers in the capital.

Magnitude 6.2 quake strikes Japan’s Hokkaido, JMA warns of more to come

Wildfires in Japan’s north worsen, 1,400 firefighters deployed

Why Japan’s earthquake has Bali on edge over magnitude 9 ‘megathrust’ risk

Bali, Sumba and the Flores Islands are expected to be the worst hit from a megathrust earthquake in the Sumba fault.

Big one coming? Japan issues megaquake advisory after magnitude 7.7 shock

The Japan Meteorological Agency has upped the risk of a megaquake to 1 per cent, compared to 0.1 per cent at other times.

40 Hong Kong tour groups safe after major earthquake strikes Japan

Japan issues tsunami warning for north and northeast prefectures of Hokkaido, Aomori and Iwate, after quake strikes at 4.53pm.

.css-1f6sr3w{color:#727272;}Video | Powerful quake shakes northern Japan

Japan’s northern Tohoku region was struck by a 7.7-magnitude quake.

Tsunami warning issued in Japan after magnitude-7.5 quake hits northeast

Waves of up to three metres are expected after the quake struck off the Sanriku Coast.

Magnitude 5 quakes hit Japan’s Nagano prefecture

The quakes struck Omachi at 1.20pm and 2.54pm, with the nation’s weather agency warning of aftershocks over the next week or so.

Japan warned of ‘hellish summer’ as energy fears mount

A prolonged Iran war, combined with an unusually early spell of hot weather, could leave Japan facing power shortages this summer.

Indonesia earthquake kills 1, triggers tsunami waves

The 7.4-magnitude quake hit at a depth of 35km in the Northern Maluku Sea off ⁠Indonesia’s Ternate island.

Video | Tokyo’s cherry blossom season kicks off early

This year’s sakura season is 5 days earlier than usual.

Blooming marvellous: Tokyo’s cherry blossom season officially begins

The blooming was five days earlier than the average, possibly due to low rainfall and longer hours of sunshine in winter.

Japan on track for hottest summer ever as ocean temperatures surge

Various regions across Japan are expected to register above-normal temperatures between June and August, the weather agency says.

Japan snowstorm traps 3,000 vehicles in 23km traffic jam

New Year return rush traps drivers on the Sanyo Expressway in Hiroshima, causing distress and triggering a wave of emergency calls.

Japan tremors raise fears of overdue megaquake killing 199,000

Authorities are urging residents to review evacuation plans as simulations suggest a ‘maximum-class’ winter night quake could trap thousands.

‘Didn’t know where to go’: tourists struggle in Japan quake evacuation

Foreign visitors were left scrambling for multilingual information after Monday’s magnitude 7.5 earthquake.

Japan lifts tsunami warning after magnitude 6.7 earthquake

The weather office said waves of up to 20cm were recorded on the main northern island of Hokkaido and in the Aomori region.

Japan issues megaquake advisory after magnitude 7.5 tremor

The advisory urges preparedness for a possible large quake and tsunami, recalling the 2011 disaster that destroyed Fukushima’s nuclear plant.

30 injured after massive quake in Japan, warning of more stronger tremors

Officials removed all tsunami warnings following the powerful earthquake in northeastern Japan’s Aomori prefecture.

Japan’s record heatwave causes men to discard gender norms in search for shade

Nearly half of the men surveyed in Tokyo used sunshades for the first time this year as summer temperatures hit record highs.

.css-1pcrwvc{color:#2aa191;}Language Matters | How does a typhoon get its name? And who gets to choose?

The naming of typhoons, hurricanes and cyclones may seem random but strict procedures govern their titles.

Summers in Japan longer by 3 weeks over 42 years, researchers say

In comparison, the average durations of spring and autumn shortened from 1982 to 2023 due to climate change.

Japan revises Nankai Trough megaquake risk to 60-90% in next 30 years

The revision reflects a new calculation method and does not mean that the risk of an earthquake has increased, authorities say.

Japan and South Korea face record heat as climate change bites

The prolonged heat is disrupting Japan’s natural cycles, causing cherry trees to bloom earlier and Mount Fuji’s snowcap to appear later.

Japan megaquake ... again? Disaster fears re-emerge over rash of island tremors

Japan’s weather agency has logged at least four ‘felt quakes’ in the area with an intensity of 4 on the country’s Shindo scale since Sunday.

Surge in Hongkongers visiting Japan expected after manga ‘megaquake’ fears fade

Travel agency boss says interest in visiting the country has bounced back ‘in an explosive surge’.

‘Coincidence’: latest quake in Japan has no links to manga, weather agency says

A magnitude 5.4 temblor struck off the Tokara island chain on Saturday, the latest in a series of seismic events in the area.

Video | Powerful quake shakes northern Japan

Language Matters | How does a typhoon get its name? And who gets to choose?