Announced details
Evacuation and safety measures during earthquakes
The company explains that 10 seconds or more before shaking arrives allows users to move to a safe location, while even 5 seconds allows them to adopt a position that protects their head.
No. 1 weather app by number of users (as of April 2026, based on the number of active users in the weather category on the App Store and Google Play in Japan)
Subscriber-only feature. Earthquake Alarm and Tsunami Alarm can be registered for free.
The company does not address Contract Value / Impact on Business Performance.
Research by Sensor Tower (as of April 2026, based on the number of active users in the weather category on the App Store and Google Play in Japan)
| Item | Details |
|---|---|
| Names of Products / Services Covered | Weathernews, Earthquake Early Warning countdown feature, Earthquake Alarm, Tsunami Alarm |
| Offering price | Subscriber-only feature. Earthquake Alarm and Tsunami Alarm can be registered for free. |
| Launch date | 25 August 2026 (launched as a feature update; actual launch) |
| Applicable area | Evacuation and safety measures during earthquakes |
| Quantitative Effects | The company explains that 10 seconds or more before shaking arrives allows users to move to a safe location, while even 5 seconds allows them to adopt a position that protects their head. |
| Usage history | No. 1 weather app by number of users (as of April 2026, based on the number of active users in the weather category on the App Store and Google Play in Japan) |
| Source | Research by Sensor Tower (as of April 2026, based on the number of active users in the weather category on the App Store and Google Play in Japan) |
Items this document does not state (11)
These are items the company does not state in this document. We do not leave them blank, nor fill them in from other sources or by inference.
The reasons the company gives
The company's own explanation, not something inferred from the numbers.To enable users to understand how much time remains before shaking arrives during an earthquake and take initial measures, such as evacuating or securing their safety, more quickly while reducing panic.