M5.4 Earthquake 229 km SSE of Isangel, Vanuatu — April 15, 2026
2026-04-15 07:59:41 UTC (6 days ago)
On April 15, 2026 at 07:59 UTC, a magnitude 5.4 intermediate depth earthquake struck 229 km SSE of Isangel, Vanuatu, at a depth of 166.7 km and coordinates -21.3603°, 170.3357°. The USGS PAGER system issued a green alert level for this event, indicating no significant casualties or damage expected. This earthquake was detected by 61 seismic stations with excellent location accuracy and was assigned a USGS significance rating of 449, placing it among routine seismic activity.
The epicenter is located in Vanuatu, a region characterized by the New Hebrides subduction zone, where the Australian Plate subducts eastward at approximately 90 mm per year. View all earthquakes in Vanuatu.
Learn more: Magnitude scale · Aftershock sequences
Earthquake Details
170.3357°E
Technical Information
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Common Questions
How strong was the magnitude 5.4 earthquake near Isangel, Vanuatu?
The magnitude 5.4 earthquake that struck 229 km SSE of Isangel, Vanuatu on April 15, 2026 at 07:59 UTC had a depth of 166.7 km. For context, this was a moderate earthquake that could be widely felt.
Where did the earthquake occur?
The earthquake epicenter was located at -21.3603°, 170.3357°, which is 229 km SSE of Isangel, Vanuatu. View all earthquakes in Vanuatu.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 5.4 earthquakes can continue for days to weeks and gradually diminish over time.
Has Vanuatu had earthquakes this big before?
The largest recorded earthquake in Vanuatu was the M7.9 Vanuatu earthquake of October 7, 2009. Today's magnitude 5.4 event is significantly smaller than that historical record.
What should I do after an earthquake?
If you were in the affected area: check yourself and others for injuries, inspect your home for damage, and be prepared for aftershocks. For detailed guidance, see our earthquake safety guide and emergency planning resources.