**1. Introduction**

In Japan, after an earthquake, local government officials and building experts conduct building damage surveys for the purpose of preventing secondary damage and confirming the availability afterward. According to technical guidelines on the damaged building damage classification criteria and restoration, the restoration procedure is divided into three stages: (1) **"**This building is usable" (2) **"**Caution is required when entering" and (3) "Entering this building is dangerous" [1], and investigations and restoration measures according to those stages are examples of restoration strategies. It is listed as. Looking at the implementation status of past earthquakes, it takes about two weeks to complete the emergency risk assessment and about three months to complete the disaster classification assessment. The current situation is that recovery activities are further delayed due to confusion after the earthquake, shortage of people, and insufficient number of contractors. We searched for a system construction method for emergency risk determination and verified its validity. Technical Guidelines have been produced for seismic damage classification criteria on affected buildings and restoration after the disaster [1].

Earthquake preparedness guidelines and reality in Japan, the information required for building analysis based on assumed earthquakes is often accessible to the public through the Internet. The information required for building analysis based on assumed earthquakes includes, for example, the publication of borehole survey results for the specific area on websites [2]. These results can be used for earthquake analysis. Additionally, the "J-SHIS Earthquake Hazard Station" (https://www.j-shis.bosai.go.jp/: National Research Institute for Earth Science and Disaster Resilience) [3] provides a probabilistic seismic motion prediction map, which uses a finely classified terrain model in 250m mesh, to present the probability of future earthquake motion based on the prediction of seismic source faults. Data collection based on location can be retrieved from these server spaces. Furthermore, some of this information is also available as web-based APIs, indicating a trend toward systematizing their construction.

The purpose of this study is to reduce human or building damage in the event of an earthquake, clarify the dangers of individual buildings before taking concrete disaster prevention measures, and effectively call for countermeasures against earthquake damage.

Research on emergency risk assessment is often measured with a dedicated accelerometer that is not widely used, but in this research, the accelerometer built into a mobile device such as a smartphone is used, and it is generally used via Internet access [4]. Will build a system that can easily perform predictive diagnosis of emergency risk judgment. In addition, the system to be constructed will be constructed, as shown in **Figure 1**, by unifying the load on the mobile terminal, the storage of research information, and the judgment processing. We will bring the analysis method by constant

#### **Figure 1.**

*Overview of damage prediction judgment system using mobile terminals.*

*Perspective Chapter: Building Damage Estimation and Renovation Proposal System Using... DOI: http://dx.doi.org/10.5772/intechopen.112457*

tremor and PML to this system, actually distribute it, and consider the tendency of the judgment result about the obtained result.
