Earthquakes Strike Indonesia and China Within 24 Hours, No Major Damage Reported
JAKARTA/BEIJING — June 16, 2026 — A magnitude 6.7 earthquake struck Indonesia’s Sulawesi island on Tuesday, June 16, followed hours earlier by a 6.3 magnitude quake in China’s Qinghai province, with authorities in both countries reporting no major casualties or significant damage.
6.7 Magnitude Earthquake Hits Sulawesi, Indonesia
The Indonesia earthquake occurred at 11:27 a.m. local time (0327 GMT) with its epicenter located at 0.95 degrees south latitude and 120.10 degrees east longitude, at a depth of 20 kilometers, according to the China Earthquake Networks Center (CENC). The China Earthquake Networks Center initially reported the quake as magnitude 7.0 based on preliminary measurements before revising it to 6.7.
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The epicenter was located approximately 46 kilometers east-southeast of Palu, the capital of Central Sulawesi province, according to the United States Geological Survey (USGS), which recorded the earthquake at a depth of about 10 kilometers. Multiple aftershocks were reported following the main tremor, with the strongest registering magnitude 5.2.
Tsunami Assessment: China’s Ministry of Natural Resources issued a tsunami warning, stating that the earthquake could potentially trigger local tsunamis near the epicenter, though no impact was expected on China’s coastline. The Indonesian Meteorology, Climatology and Geophysics Agency (BMKG) confirmed that a separate 6.2 magnitude earthquake that struck Mindanao, Philippines on June 15 did not pose a tsunami threat to Indonesian territory.
Historical Context: Sulawesi has experienced significant seismic activity in recent years. In January 2021, a magnitude 6.2 earthquake near Mamuju on the island killed at least 100 people and left thousands displaced. Indonesia sits along the Pacific “Ring of Fire,” a zone of intense seismic and volcanic activity where earthquakes are a near-daily occurrence.
6.3 Magnitude Earthquake Strikes Qinghai, China
Earlier on June 16, a magnitude 6.3 earthquake struck Haixi Prefecture in northwest China’s Qinghai Province at 5:06 p.m. local time (0906 GMT), according to the China Earthquake Networks Center. The epicenter was located at 37.80 degrees north latitude and 95.56 degrees east longitude, at a depth of 10 kilometers.
Authorities have not yet reported casualties or significant damage from the Qinghai earthquake. The province, located on the Tibetan Plateau, is sparsely populated and experiences occasional seismic activity.
A separate magnitude 5.6 earthquake in Sichuan Province on June 7 injured 13 people and damaged houses, though main roads remained operational.
Regional Seismic Activity
The earthquakes on June 16 follow a pattern of heightened seismic activity across the region. On June 15, a magnitude 6.2 earthquake struck off the coast of Mindanao in the southern Philippines, with BMKG confirming it posed no tsunami threat to Indonesia.
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The Pacific “Ring of Fire,” which encompasses Indonesia, the Philippines, and parts of China, is characterized by frequent earthquakes and volcanic eruptions due to the collision of multiple tectonic plates. Indonesia alone records thousands of earthquakes annually, most of minor to moderate intensity.
Ongoing Monitoring
Seismic monitoring agencies continue to track potential aftershocks following both earthquakes. Authorities in affected areas are assessing infrastructure and have urged residents to remain vigilant and rely on official information from verified sources.
No tsunami warnings have been issued for coastal areas outside the immediate vicinity of the Sulawesi epicenter.
SOURCES / INPUTS
- USGS Earthquake Hazards Program
- China Earthquake Networks Center (CENC)
- BMKG (Indonesia Meteorology, Climatology and Geophysics Agency)
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