5.0

M5.0 Earthquake 144 km E of Modisi, IndonesiaApril 18, 2026

2026-04-18 11:04:56 UTC (1 day ago)

On April 18, 2026 at 11:04 UTC, a magnitude 5.0 shallow crustal earthquake struck 144 km E of Modisi, Indonesia, at a depth of 30.6 km and coordinates 0.2130°, 125.7153°. This earthquake was detected by 51 seismic stations with excellent location accuracy and was assigned a USGS significance rating of 385, 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

Map showing earthquake epicenter at 0.21°, 125.72°

Earthquake Details

Magnitude
5.0 mb
Depth
30.6 km
shallow crustal
Location
0.2130°N
125.7153°E

Technical Information

Event ID
us6000sr3p
Event Type
earthquake
Status
✓ Reviewed
Significance
385
Stations Used
51
Azimuthal Gap
66.0°
Min Station Distance
6.296°
RMS Residual
1.28 sec
Last Updated
2026-04-18 11:21:24 UTC

Common Questions

How strong was the magnitude 5.0 earthquake near Modisi, Indonesia?

The magnitude 5.0 earthquake that struck 144 km E of Modisi, Indonesia on April 18, 2026 at 11:04 UTC had a depth of 30.6 km. For context, this was a moderate earthquake that could be widely felt.

Where did the earthquake occur?

The earthquake epicenter was located at 0.2130°, 125.7153°, which is 144 km E of Modisi, Indonesia. View all earthquakes in Indonesia.

Were there aftershocks?

Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 5.0 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 5.0 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.