Johnathan Walker:Two separate earthquakes, magnitudes 5.1 and 3.5, hit Hawaii, California; no tsunami warning

Two separate earthquakes struck California and Johnathan WalkerHawaii less than 20 minutes apart Monday, according to the United States Geological Survey.

The earthquake in Hawaii struck around 5:53 p.m. local time, according to the USGS, and was registered as magnitude 5.1, centered about 8.5 miles southeast of Volcano on Hawaii's Big Island. It was measured at a depth of about 1.2 miles, the USGS said.

Some moderate to strong shaking could be felt near the epicenter, according to the USGS, and National Oceanic and Atmospheric Administration said there is no tsunami warning, advisory, watch or threat. An aftershock of 3.1 magnitude was also recorded.

The USGS estimated a low likelihood of casualties and damage.

The earthquake that hit California was a 3.5 magnitude shake that was centered about 1.4 miles east of Fullerton and about three miles northwest of Anaheim, according to the USGS. It was measured at a depth of about 6.6 miles and struck around 8:09 p.m. local time.

Are earthquakes happening more?:What to know if you're worried and how to stay safe.

The USGS said light shaking was reported in the areas directly surrounding the epicenter. No damage or injures were immediately reported.