Namadu Epicenter Viewer Downloads & RevenueNamadu Epicenter Viewer · App Store
Namadu 震源ビューア
Namadu Epicenter Viewer is #63 in Weather Paid in Japan and charting in 1 of 30 countries we track.
Updated 8 Nov 2026 · rankings refresh through the day
DeveloperNoriaki HASHIBA
CategoryWeather
Price150 JPY
Released
Rating★ 4.0 (1)
Version1.4.17
Age rating4+
First seen by us
24 Sep 2026
24 Sep 2026Namadu Epicenter Viewer update history & changes
Last change · 7 events since 31 Jul 2017Full timeline ↓📦Updated to version 1.4.17📦First update in 583 days🆕First spotted by AppInsider🆕Released on the App Store
Full timeline · 6 events in the last 12 months
- ✏️Namadu Epicenter Viewer: app got smaller11 MB → 2 MB (-78%)
- ✏️Namadu Epicenter Viewer: needs a newer iOSiOS 11.0 → iOS 13.0
- 📦Namadu Epicenter Viewer updated to version 1.4.17Namadu Epicenter Viewer 1.4.17 includes the following improvements:
- UI: Improved compatibility with iOS 26 and later.
- Documentation: Updated the documentation. - 📦Namadu Epicenter Viewer: first update in 583 days
- 🆕Namadu Epicenter Viewer first spotted by AppInsider#65 in Top Paid · Weather · Japan
- 🆕Namadu Epicenter Viewer released on the App Store
Collected from the stores by AppInsider since we first spotted the app. Dates are when we saw each change.
Rating
4.0 ★
1 ratings
Measured
Best rank now
#63
Weather PaidMeasured
Namadu Epicenter Viewer on the App Store
App details
App ID
1264409388
Publisher
Noriaki HASHIBA
On the store since
Jul 2017
9 years on the store
Minimum OS
iOS 13.0+
iPhone 6s and later
Devices
iPhone · iPad
Universal purchase
Content rating
4+
Languages
2
EN JA
Size
2 MB
Also listed in
Utilities
Where it ranks now
Every top chart it appears in across 30 countries.
| Country | Charts | Rank |
|---|---|---|
| Japan | WeatherPaid | #63 |
Apps near Namadu Epicenter Viewer on the chart
Weather Paid, around #63.
Ratings
App Store, worldwide.
Rating
4.0 ★
1 ratings
Measured
Ratings
1
Measured
Review momentum
ⓘ How we measure thisNew ratings a week
under 1
4-week average
Lifetime rating
4.0★
recent stars not readable yet: new ratings are a tiny share of the total
Review momentum
20/100
faster than 0% of Weather apps
Review momentum (0-100) blends how fast the app collects ratings compared with other apps in its category (60%), whether that pace is speeding up (25%) and what recent raters give it (15%; recent stars well below lifetime pull it down). Ratings counts are read daily. A jump usually means a launch, a feature, ads or a new review prompt.
About Namadu Epicenter Viewer
### This App is for earthquakes occurred in Japan only. ###
Namadu epicenter viewer is an App that plots the earthquake catalog collected by the high sensitivity seismograph on the map. This App has the following features.
- Epicenter information that occurred in Japan since January 1, 1995, is displayed at arbitrary time and place.
- Visualize the tendency of the earthquake occurrence in an easy-to-understand manner by operating the slider. Automatic playback is also available.
- Magnitude and depth range of the displayed epicenter can be specified respectively.
- The source of the earthquake information is the Japan Meteorological Agency (JMA) Unified Hypocenter Catalogs and the National Institute for Earth Science and Disaster Prevention (NIED) Preliminary Catalog by the Hi-net Automatic System.
Limitations
- Only earthquake information that occurred on or after January 1, 1995, in Japan and its vicinity can be handled.
- Information provided to users is only plotted on the map. Original epicenter information (list of numerical information) is not provided in this App. If you need them, please refer to the information sources such as JMA and NIED website.
- Some epicenter elements may be removed during processing.
- There is a limit to the number of epicenters that can be processed at once. Epicenter with a small magnitude value may be omitted if the number of epicenters exceeds the limit, such as when setting a long target period or when many earthquakes swarm.
- The error information included in the original epicenter element is not reflected in the plot. The epicenter location on the map does not accurately represent the actual epicenter location. In order to know the precise location of the epicenter, please be sure to refer to the data of the information sources.
Notes
- This App gets epicenter information via iCloud Drive. The device must have a valid iCloud account set up and connected to an available network.
- Bookmarks are saved in iCloud, depending on your App settings.
Important matter
- The epicenter information used by this App is processed by the developer (LeafSight) periodically from information sources and shared on iCloud. Please be aware that the following possibilities exist due to some unexpected reasons. Temporarily there are cases where original information cannot be acquired or processed information cannot be reflected on iCloud. When hypocenter information cannot be permanently acquired from information sources, updating of shared epicenter information may be suspended without prior notice.
- The purchase of this App does not guarantee the availability of the latest epicenter information permanently for the future.
- For details about the epicenter information used in this App, please refer to the following information sources site.
* JMA: Unified Hypocenter Catalogs
· JMA website: http://www.jma.go.jp/
· Source list: http://www.data.jma.go.jp/svd/eqev/data/daily_map/index.html
* NIED: Hi-net automatic processin
Namadu epicenter viewer is an App that plots the earthquake catalog collected by the high sensitivity seismograph on the map. This App has the following features.
- Epicenter information that occurred in Japan since January 1, 1995, is displayed at arbitrary time and place.
- Visualize the tendency of the earthquake occurrence in an easy-to-understand manner by operating the slider. Automatic playback is also available.
- Magnitude and depth range of the displayed epicenter can be specified respectively.
- The source of the earthquake information is the Japan Meteorological Agency (JMA) Unified Hypocenter Catalogs and the National Institute for Earth Science and Disaster Prevention (NIED) Preliminary Catalog by the Hi-net Automatic System.
Limitations
- Only earthquake information that occurred on or after January 1, 1995, in Japan and its vicinity can be handled.
- Information provided to users is only plotted on the map. Original epicenter information (list of numerical information) is not provided in this App. If you need them, please refer to the information sources such as JMA and NIED website.
- Some epicenter elements may be removed during processing.
- There is a limit to the number of epicenters that can be processed at once. Epicenter with a small magnitude value may be omitted if the number of epicenters exceeds the limit, such as when setting a long target period or when many earthquakes swarm.
- The error information included in the original epicenter element is not reflected in the plot. The epicenter location on the map does not accurately represent the actual epicenter location. In order to know the precise location of the epicenter, please be sure to refer to the data of the information sources.
Notes
- This App gets epicenter information via iCloud Drive. The device must have a valid iCloud account set up and connected to an available network.
- Bookmarks are saved in iCloud, depending on your App settings.
Important matter
- The epicenter information used by this App is processed by the developer (LeafSight) periodically from information sources and shared on iCloud. Please be aware that the following possibilities exist due to some unexpected reasons. Temporarily there are cases where original information cannot be acquired or processed information cannot be reflected on iCloud. When hypocenter information cannot be permanently acquired from information sources, updating of shared epicenter information may be suspended without prior notice.
- The purchase of this App does not guarantee the availability of the latest epicenter information permanently for the future.
- For details about the epicenter information used in this App, please refer to the following information sources site.
* JMA: Unified Hypocenter Catalogs
· JMA website: http://www.jma.go.jp/
· Source list: http://www.data.jma.go.jp/svd/eqev/data/daily_map/index.html
* NIED: Hi-net automatic processin
Latest updates
1.4.17
Namadu Epicenter Viewer 1.4.17 includes the following improvements:
- UI: Improved compatibility with iOS 26 and later.
- Documentation: Updated the documentation.
1.4.16
Store changes
What Namadu Epicenter Viewer changed on its store page: name, icon, screenshots, price, size, languages, requirements.
App got smaller
11 MB → 2 MB (-78%)
Needs a newer iOS
iOS 11.0 → iOS 13.0
