M5.1 Earthquake 83 km WSW of Modisi, Indonesia — April 17, 2026
2026-04-17 23:21:27 UTC (1 day ago)
On April 17, 2026 at 23:21 UTC, a magnitude 5.1 intermediate depth earthquake struck 83 km WSW of Modisi, Indonesia, at a depth of 121.0 km and coordinates 0.0691°, 123.7912°. This earthquake was detected by 83 seismic stations with excellent location accuracy and was assigned a USGS significance rating of 400, placing it among routine seismic activity.
The epicenter is located in Indonesia, a region characterized by the convergence of the Indo-Australian, Eurasian, and Philippine Sea plates, forming the Sunda-Banda arc system. The nearest mapped fault system is the Sunda megathrust. View all earthquakes in Indonesia.
Learn more: Magnitude scale · Aftershock sequences
Earthquake Details
123.7912°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 5.1 earthquake near Modisi, Indonesia?
The magnitude 5.1 earthquake that struck 83 km WSW of Modisi, Indonesia on April 17, 2026 at 23:21 UTC had a depth of 121.0 km. For context, this was a moderate earthquake that could be widely felt.
Where did the earthquake occur?
The earthquake epicenter was located at 0.0691°, 123.7912°, which is 83 km WSW of Modisi, Indonesia. View all earthquakes in Indonesia.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 5.1 earthquakes can continue for days to weeks and gradually diminish over time.
Has Indonesia had earthquakes this big before?
The largest recorded earthquake in Indonesia was the M9.1 Indian Ocean earthquake of December 26, 2004. Today's magnitude 5.1 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.