Japan Alerts - Earthquake

Japan Alerts delivers real-time earthquake, tsunami, volcano, and typhoon alerts from the Japan Meteorological Agency (JMA) — translated into 10 languages.

Whether you live in Japan, are planning a trip, or want to keep an eye on a loved one there, Japan Alerts keeps you informed with clear, accurate, and instant disaster notifications.

REAL-TIME ALERTS

• Earthquake alerts with Shindo intensity scale and magnitude
• S-wave arrival countdown for emergency alerts: know how many seconds before shaking reaches you
• Tsunami risk warnings with affected coastal areas
• Volcanic eruption bulletins with interactive volcano map
• Typhoon tracking and severe weather alerts

FAMILY SAFETY

• Create a family group and see everyone's status on a shared map
• "I'm Safe" check-in button with automatic reminders
• Get notified instantly when a family member is in an affected zone
• Set a meeting point at a nearby shelter for your household
• Perfect for families split between Japan and abroad

10 LANGUAGES All alerts are translated into English, Japanese, French, Chinese, Korean, German, Spanish, Italian, Portuguese, and Russian. No more struggling with Japanese-only emergency information.

WATCH ZONES Free users receive alerts for moderate earthquakes (Shindo 4+) near their location and strong quakes (Shindo 6-) across all of Japan.

With Premium, go further:

• Define up to 5 custom watch zones anywhere in Japan
• Set your own Shindo notification threshold per zone
• Monitor where a family member or friend lives
• Traveling to Osaka next month? Add it as a zone before your trip

INTERACTIVE MAP & SHELTERS

• See epicenters, affected areas, and volcano locations at a glance
• Browse 98,000+ official evacuation shelters across all 47 prefectures
• Filter shelters by type: earthquake, tsunami, flood, fire
• Get walking directions to the closest shelter
• Check in at a shelter and see real-time occupancy from other users
• Offline cache: shelter data available even without internet

STAY PREPARED

• SOS button with one-tap access to emergency services (110, 119)
• Post-earthquake analysis for M6+ events: your distance to the epicenter, estimated S-wave travel time, and energy released
• Emergency checklist: 14-item kit across 6 categories to make sure you're ready

WHO IS THIS APP FOR?

• Expats and residents of Japan who need alerts in their own language
• Parents with a child studying or working in Japan
• Travelers preparing a trip — add your destination and stay informed
• Families who want a shared safety plan for earthquakes
• Anyone fascinated by Japanese seismology and volcanology

ABOUT JMA The Japan Meteorological Agency operates over 4,000 seismic stations and monitors all 111 active volcanoes in Japan. This app uses JMA public data but is not affiliated with JMA or the Japanese government.

Free with ads. Premium unlocks custom watch zones, extended alert history, larger family groups, custom alert sounds, and removes all ads. Safety shouldn't be a luxury — Premium is priced to remain accessible to everyone.

SUBSCRIPTION INFORMATION

Japan Alerts offers an optional auto-renewable subscription. • Subscription automatically renews unless cancelled at least 24 hours before the end of the current period. • Payment will be charged to your Apple ID account at confirmation of purchase. • Your account will be charged for renewal within 24 hours prior to the end of the current period.

Privacy Policy: https://www.index64.com/japan-alerts/privacy-policy/

Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/