A map shows the epicenter of an earthquake in Da Nang City, central Vietnam at 1:58 pm on September 17, 2026. Photo: Vietnam’s Institute of Earth Sciences
The Earthquake and Tsunami Warning Center under the Institute of Earth Sciences reported four consecutive quakes in the mountainous areas of Da Nang on the same day.
The first earthquake, measuring 2.7 on the Richter scale, occurred at 10:41 am in Tra Giap Commune, with a focal depth of some 8.1 kilometers.
At 10:52 am, a magnitude-2.6 tremor was recorded in Tra Tan Commune, also at a focal depth of about 8.1 kilometers.
Two further earthquakes occurred in Tra Tap Commune at 11:23 am and 1:58 pm, measuring 3.0 and 2.6, respectively, on the Richter scale.
The center said the quakes were classified as level 0 in terms of risk.
It is continuing to monitor seismic activity.
Residents of Tra Tap Commune said they felt the mild shaking when the earthquakes struck the commune.
Vo Nhu Toan, secretary of the Tra Tap Commune Party Committee, said he personally felt both earthquakes recorded in the area.
During the first quake, he heard what sounded like an explosion and felt light shaking.

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