Indonesia – A powerful magnitude 7.4 earthquake struck the Northern Molucca Sea region early Thursday, according to the United States Geological Survey (USGS), prompting tsunami alerts across several Asia-Pacific regions.
The earthquake had a depth of 35 kilometers, with its epicentre located approximately 127 kilometers (79 miles) west-northwest of Ternate, Indonesia. The USGS initially recorded the quake at a magnitude of 7.8 before revising it to 7.4.
Key developments:
- Magnitude 7.4 earthquake strikes Northern Molucca Sea region
- Epicentre located 127 km west-northwest of Ternate, Indonesia
- Tsunami alerts issued for Indonesia, Philippines, and Malaysia
- Wave heights up to 1 meter forecast for Indonesian coastlines
- Japan, Taiwan, Guam, Papua New Guinea under precautionary alert
- No tsunami threat to Australia mainland, islands, or territories
- Indonesia lies on Pacific "Ring of Fire," prone to seismic activity
Tsunami Alerts Across Coastal Regions
The US tsunami warning system indicated that tsunami waves could impact areas within a 1,000-kilometer radius of the epicentre. Coastal regions of Indonesia, the Philippines, and Malaysia were identified as potentially at risk.
Wave heights ranging from 0.3 meters to 1 meter above normal tide levels were forecast for parts of Indonesia's coastline. Meanwhile, smaller waves—less than 30 centimeters—were projected for coastal areas of Guam, Japan, Malaysia, Papua New Guinea, the Philippines, and Taiwan.
Regional Assessments
Japan's Meteorological Agency stated that slight sea level changes might occur along Japan's coast but confirmed that no tsunami damage was expected. Australia's Bureau of Meteorology also reported that there was no tsunami threat to the Australian mainland, its islands, or territories.
Seismic Activity in Indonesia
Indonesia, an archipelago with a population exceeding 280 million, lies along the seismically active "Ring of Fire," an arc of volcanoes and fault lines in the Pacific Basin. This positioning makes the country highly susceptible to earthquakes and volcanic activity.
In 2022, a magnitude 5.6 earthquake struck Cianjur in West Java, resulting in at least 602 fatalities. In 2018, a powerful earthquake and tsunami in Sulawesi caused more than 4,300 deaths.
Earlier, in 2004, a massive Indian Ocean earthquake triggered a devastating tsunami that claimed over 230,000 lives across multiple countries, with Indonesia's Aceh province among the hardest hit regions.
Ongoing Monitoring
Authorities and international monitoring agencies continue to assess the situation. Coastal populations in potentially affected areas have been advised to remain alert and follow official safety guidance as aftershocks remain possible.
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