![Shop our 2024 calendars. Now available for purchase!](https://static.checkiday.com/img/website-shop-header-6.jpg)
![Image for National Richter Scale Day](https://static.checkiday.com/img/1200/Seismograph_Pinatubo.jpg)
National Richter Scale Day
Observed
annually on April 26th
Dates
Tags
Famous People & Celebrities
Items & Things
Science & Technology
Hashtags
Sources
National Richter Scale Day is observed next on Saturday, April 26th, 2025. It is observed annually on April 26th.