There were two fairly destructive earthquake phenomena in 2018 of M 6.4 and M 7 at East Lombok District. However, severe damage occurred in the West Lombok District, Mataram City, and North Lombok District where the three locations were far from the earthquake epicenter. This proves that the potential for infrastructure damage does not only depend on the magnitude and the earthquake source distance, but rather the presence of local site effects. This study aims to determine the dynamic characteristics of the soil and the distribution of Peak Surface Acceleration (PSA). The method used are HVSR analysis (Horizontal to Vertical Spectral Ratio) and inversion of Rayleigh wave ellipticity curve from single station microtremor measurements. The results showed that West Lombok Regency, Mataram City, and the western part of North Lombok Regency were dominated by sedimentary layers which were softly and included in the SD (stiff soil / soft soil) site category. These regions are soil deformation vulnerable due to the earthquake. Based on PSA distribution, the southern part of Lombok Island and Mataram City have a relatively high PSA value. The high value of PSA has the potential to cause ground shaking hazard that are strong enough when an earthquake occurs. This research is expected to be a reference for the design of spectra response to minimize damage of building infrastructure at various levels due to earthquake events.

The purpose of this research is to find a company with a good portfolio and history so that investors can use it to evaluate renewable energy companies listed on the IDX. The research method used is descriptive-quantitative. The results of the study show that, based on the current ratio, TGRA issuers have a higher current ratio of 106%. Similar to return on equity, TGRA issuers for 2021 have a higher dividend policy than BRBN. When viewed from the price-to-book value ratio, the two issuers have a lower share price compared to their book value. From the standpoint of BNBR earnings per share, it can be stated that it is better with the impact that BNBR issuers' income is higher than that of TGRA issuers for 2021. Meanwhile, the price-earnings ratio for TGRA is higher than BNBR for 2021, indicating that TGRA is more intense. higher return on investment compared to BNBR for investors who want a faster return on investment and faster profits. so that investors' decisions to invest their shares in TGRA tend to be more desirable and have better prospects in terms of price-to-earnings ratio compared to BNBR issuers.