Earthquakes, tsunami and EEW
Follow earthquake reports, tsunami information and Emergency Earthquake Warnings based on JMA data.
Earthquake information for Japan — with shelter maps you can use when connectivity is disrupted.
JapanEEW combines earthquake, tsunami and Emergency Earthquake Warning information based on data published by the Japan Meteorological Agency (JMA), with English and Japanese support and shelter maps that remain available offline once downloaded.
Designed for people living in Japan and for visitors, including those who may be unfamiliar with Japanese earthquake information. Follow events, tailor notifications to your location and keep shelter information at hand.
Follow earthquake reports, tsunami information and Emergency Earthquake Warnings based on JMA data.
Review recent earthquakes, see where they occurred and examine event details on a map.
Choose a minimum seismic intensity, use your current or saved location and optionally limit notifications by distance.
Find nearby shelters and keep essential shelter information available when mobile connectivity is disrupted.
Open an earthquake report to see its map and the reported seismic intensities around the epicentre.

Browse earthquake history on iPad, with controls for intensity, magnitude and region.

Choose a saved alert location, set a separate shelter location and select the minimum intensity for notifications.

Major earthquakes can disrupt mobile service. Once downloaded, JapanEEW’s shelter maps remain available offline, helping you find shelter information when a normal online map may be unavailable.

JapanEEW is available in English and Japanese, making Japan’s earthquake information easier to follow whether you live in Japan or are visiting and may be unfamiliar with local earthquake information.
Available on iPhone and iPad, with Apple Watch support.
Earthquake, tsunami and EEW information uses data published by the Japan Meteorological Agency (JMA). JapanEEW is an independent app and is not affiliated with JMA.
Need help? Email support@arkbridge.jp.