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Description
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://your-site.com/privacy
Terms of Use (EULA):
https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
What's New in Version 1.2
Minor UI fixes
Seller
Name
Harold CHATENET
Information
Developer
Categories
Version
1.2
Size
45.5 MB
Game Center
No
VPP Device Licensing
Yes
Rating
Rated: 4+
Compatibility
iOS 15.1 or later
Devices
iPhone 5s, iPhone 6, iPhone 6 Plus, iPhone 6s, iPhone 6s Plus, iPhone SE, iPhone 7, iPhone 7 Plus, iPhone 8, iPhone 8 Plus, iPhone X, iPhone XR, iPhone XS, iPhone XS Max, iPhone 11, iPhone 11 Pro, iPhone 11 Pro Max, iPhone SE (2nd generation), iPhone 12, iPhone 12 Pro, iPhone 12 Pro Max, iPhone 12 mini, iPhone 13, iPhone 13 Pro, iPhone 13 Pro Max, iPhone 13 mini, iPhone SE (3rd generation), iPhone 14, iPhone 14 Plus, iPhone 14 Pro, iPhone 14 Pro Max, iPhone 15, iPhone 15 Plus, iPhone 15 Pro, iPhone 15 Pro Max, iPhone 16, iPhone 16 Plus, iPhone 16 Pro, iPhone 16 Pro Max, iPhone 16e, iPhone 17, iPhone 17 Pro, iPhone 17 Pro Max, iPhone Air, iPhone 17e, iPad (5th Generation) Wi-Fi, iPad (5th Generation) Wi-Fi + Cellular, iPad (6th generation) Wi-Fi, iPad (6th generation) Wi-Fi + Cellular, iPad Pro, iPad Pro (Cellular), iPad Pro (9.7-inch), iPad Pro (9.7-inch) (Cellular), iPad Pro 12.9-inch (2nd generation), iPad Pro 12.9-inch (2nd generation) Wi-Fi + Cellular, iPad Pro (10.5-inch), iPad Pro (10.5-inch) Wi-Fi + Cellular, iPad Pro (11-inch), iPad Pro (11-inch) Wi-Fi + Cellular, iPad Pro 12.9-inch (3rd generation), iPad Pro 12.9-inch (3rd generation) Wi-Fi + Cellular, iPad Air, iPad Air (Cellular), iPad Air 2, iPad Air 2 (Cellular), iPad Air (3rd generation), iPad Air (3rd generation) Wi-Fi + Cellular, iPad mini Retina, iPad mini Retina (Cellular), iPad mini 3, iPad mini 3 (Cellular), iPad mini 4, iPad mini 4 (Cellular), iPad mini (5th Generation), iPad mini (5th Generation) Wi-Fi + Cellular, iPad (7th generation) Wi-Fi + Cellular, iPad Pro 11-inch (2nd generation), iPad Pro 11-inch (2nd generation) Wi-Fi + Cellular, iPad Pro 12.9-inch (4th generation), iPad Pro 12.9-inch (4th generation) Wi-Fi + Cellular, iPad Air (4th Generation) (Wi-Fi), iPad Air (4th Generation) (Wi-Fi + Cellular), iPad (8th generation) Wi-Fi, iPad (8th generation) Wi-Fi + Cellular, iPad Pro 11-inch (3rd generation), iPad Pro 11-inch (3rd generation) Wi-Fi + Cellular, iPad Pro 12.9-inch (5th Generation), iPad Pro 12.9-inch (5th Generation) Wi-Fi + Cellular, iPad (9th Generation), iPad (9th Generation) Wi-Fi + Cellular, iPad mini (6th Generation), iPad mini (6th Generation) Wi-Fi + Cellular, iPad Air (5th generation), iPad Air (5th generation) Wi-Fi + Cellular, iPad Pro 11-inch (4th generation), iPad Pro 11-inch (4th generation) Wi-Fi + Cellular, iPad Pro 12.9-inch (6th generation), iPad Pro 12.9-inch (6th generation) Wi-Fi + Cellular, iPad (10th generation), iPad (10th generation) Wi-Fi + Cellular, iPad Air 11-inch (M2) Wi-Fi, iPad Air 13-inch (M2) Wi-Fi, iPad Air 13-inch (M2) Wi-Fi + Cellular, iPad Pro 11-inch (M4) Wi-Fi, iPad Pro 11-inch (M4) Wi-Fi + Cellular, iPad Pro 13-inch (M4) Wi-Fi, iPad Pro 13-inch (M4) Wi-Fi + Cellular, iPad mini (A17 Pro) Wi-Fi, iPad mini (A17 Pro) Wi-Fi + Cellular, iPad (A16) Wi-Fi, iPad (A16) Wi-Fi + Cellular, iPad Air 11-inch (M3) Wi-Fi, iPad Air 11-inch (M3) Wi-Fi + Cellular, iPad Air 13-inch (M3) Wi-Fi, iPad Air 13-inch (M3) Wi-Fi + Cellular, iPad Pro 11-inch (M5) Wi-Fi, iPad Pro 11-inch (M5) Wi-Fi + Cellular, iPad Pro 13-inch (M5) Wi-Fi, iPad Pro 13-inch (M5) Wi-Fi + Cellular, iPad Air11M4, iPad Air11M4Cellular, iPad Air13M4, iPad Air13M4Cellular, iPod touch (6th Generation), iPod touch (7th generation)
Languages
English
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