EARTHQUAKEM4.8

M4.8 earthquake near Ruteng, Indonesia

Map: the earthquake near Ruteng, Indonesia, with plate boundaries

A magnitude 4.8 earthquake struck 56 km (35 mi) north of Ruteng, Indonesia on Monday, October 19, 2026 at 12:06 UTC, at a depth of 10 km (6 mi), according to the U.S. Geological Survey. Shallow quakes like this one shake the surface hardest. The nearest city of a million or more people is Makassar, Indonesia, about 346 km (215 mi) away.

MagnitudeM4.8
Depth10 km (6 mi)
Time (UTC)Oct 19 12:06
Location8.10°S 120.38°E
Nearest townRuteng · 56 km
Energy239 tons TNT
Aftershocks M2.5+0
Tsunami flagNo
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Why here?

This earthquake struck about 303 km (188 mi) from the nearest major plate boundary, which makes it an intraplate earthquake. These happen on old faults inside a plate, where stress from the plate’s slow movement is released. They are less common, but can surprise areas that rarely feel quakes.

The red lines on the map are plate boundaries.

How strong was it?

Magnitude is logarithmic: each whole step releases about 32 times more energy. This magnitude 4.8 released roughly the energy of 239 tons of TNT. That is about 16 times the energy of a magnitude 4.0, a quake people nearby feel but that rarely causes damage. The strongest earthquake ever recorded, magnitude 9.5 in Chile in 1960, released about 11,000,000 times more than this one.

Aftershocks

In the first 7 days after it, USGS recorded no smaller earthquakes of magnitude 2.5 or more within 100 km (62 mi).

Outside the United States, USGS mainly lists quakes of about magnitude 4 and up, so smaller aftershocks there are undercounted.

Earthquake history here

Before this earthquake, USGS had recorded 70 earthquakes of magnitude 6 or larger within 300 km (186 mi) since 1900. The strongest:

Official details, updates and the shaking map: USGS event page.

See every earthquake on October 19, 2026 or earthquakes by day.

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