There has "always" been earthquakes since before mankind, or any life, existed here. I'm not aware that there has been a step increase in them of late.
Cost of living is down to numerous things, but include bad weather letting crops down recently, and the war, not to mention the waste of resource from fsiling to correctly manage that recent Chinese pandemic, because they didn't follow the science but what idiots told them was the science.
High temperatures are from climte change and El Niño building up again. It brings higher risk of wildfire. Flooding too.