Tsunamis form from sudden water movements, mainly undersea earthquakes, spreading waves across oceans and increasing as they near shores.

The earthquake hit at 10:08 a.m. local time and was centered near the town of Julian, California, about 60 miles northeast of ...

Tsunamis are generated by an upward lift of waterway bottoms, including oceans and regions like the Puget Sound, via a powerful earthquake, landslide, or even an undersea volcanic eruption.

The earthquake had a preliminary magnitude of 5.2 and was near the mountain town of Julian, east of San Diego, according to ...

A 6.6-magnitude earthquake struck far off southwest Australia on Wednesday, but no tsunami warning was issued.

The earthquake, which was located 30 miles east of San Diego, was felt throughout San Diego County and Los Angeles. The NWS National Tsunami Warning Center determined that there was no tsunami ...

The USGS issued a tsunami warning along the Papua New Guinea coastline after the temblor on Saturday morning local time.

A 6.5 magnitude earthquake struck south of the Fiji Islands Sunday night, according to U.S. Geological Services. The National ...

After a magnitude 5.2 earthquake rattled Southern California Monday morning shortly after 10 a.m., the National Weather Service immediately issued an alert about whether a tsunami would follow.

WELLINGTON, New Zealand — A strong 7.0 magnitude earthquake hit near Tonga, prompting an initial tsunami warning that was later lifted for the Pacific island country. The U.S. Geological Survey said ...

A moderately strong, 5.2-magnitude earthquake struck in Southern California on Monday, according to the United States ...

A preliminary 5.2-magnitude earthquake struck Julian, California, on Monday, the United States Geological Survey said.