Earthquake preparedness for Japan

JapanEEW

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.

JapanEEW app icon
Currently in external TestFlight testing

Earthquake information — and practical help when you need it

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

Earthquakes, tsunami and EEW

Follow earthquake reports, tsunami information and Emergency Earthquake Warnings based on JMA data.

EXPLORE

History and maps

Review recent earthquakes, see where they occurred and examine event details on a map.

PERSONALIZE

Notifications that fit you

Choose a minimum seismic intensity, use your current or saved location and optionally limit notifications by distance.

PREPARE

Shelter information, even offline

Find nearby shelters and keep essential shelter information available when mobile connectivity is disrupted.

FOLLOW

See what happened

Open an earthquake report to see its map and the reported seismic intensities around the epicentre.

JapanEEW earthquake details on iPhone, with a Kumamoto map, intensity markers, shelter controls and reported intensities
EXPLORE

Look back across recent events

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

JapanEEW History on iPad, showing intensity, magnitude and region filters above a list of recent earthquakes
PERSONALIZE

Make alerts relevant to you

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

JapanEEW Settings on iPhone, with Aso selected for alerts, shelter location settings and minimum intensity 4+
Offline preparedness

Built for the moments when the network may not be

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 Offline Map on iPhone, showing local streets, the user's location and a nearby shelter marker

For residents and visitors

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.

On your devices

Available on iPhone and iPad, with Apple Watch support.

Based on JMA data

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.

More from Arkbridge Apps

Support and legal

Need help? Email support@arkbridge.jp.