A magnitude 6.3 earthquake struck off the southern Philippines on Tuesday, according to the U.S. Geological Survey, with no tsunami warning issued and no immediate reports of damage or casualties.

The quake hit at a shallow depth about 374 kilometers (232 miles) east of Davao Island. The Philippine Institute of Volcanology and Seismology (Phivolcs), which recorded it as magnitude 6.4, confirmed no tsunami alert was raised.

Authorities said they were still assessing the impact but had not received reports of injuries or structural damage.

The Philippines sits along the Pacific “Ring of Fire,” a region prone to earthquakes and volcanic activity. Most quakes are minor, but stronger ones can strike without warning.

The country’s last major earthquake, a magnitude 7.0, struck the northern province of Abra in July 2022, killing at least 11 people and injuring more than 600.