4.4

M4.4 Earthquake 29 km NE of Tobelo, IndonesiaAugust 27, 2026

2026-08-27 22:22:45 UTC (2026-08-27) · approx. 7:22 AM UTC+9 local

MagnitudeM4.4(mb)
Time22:22 UTC7:22 AM UTC+9
Depth114.8 kmintermediate depth
Coordinates1.889°, 128.220°
Felt byNo felt reports
Status✓ Reviewed by USGS

On August 27, 2026 at 22:22 UTC, a magnitude 4.4 intermediate depth earthquake struck 29 km NE of Tobelo, Indonesia, at a depth of 114.8 km and coordinates 1.8890°, 128.2198°.

Physical scale: An earthquake of magnitude 4.4 releases seismic energy equivalent to roughly 60 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 655 m — a useful intuition for the size of the slip patch on the fault.

Map showing earthquake epicenter at 1.89°, 128.22°

Earthquake Details

Magnitude
4.4 mb
Depth
114.8 km
intermediate depth
Location
1.8890°N
128.2198°E

Technical Information

Event ID
us7000tdxz
Event Type
earthquake
Status
✓ Reviewed
Significance
298
Stations Used
31
Azimuthal Gap
93.0°
Min Station Distance
6.247°
RMS Residual
0.62 sec
Last Updated
2026-09-15 05:00:26 UTC

Common Questions

How strong was the magnitude 4.4 earthquake near Tobelo, Indonesia?

The magnitude 4.4 earthquake that struck 29 km NE of Tobelo, Indonesia on August 27, 2026 at 22:22 UTC had a depth of 114.8 km. For context, this was a light earthquake commonly felt near the epicenter.

Were there aftershocks?

Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.4 earthquakes can continue for several days and gradually diminish over time.

Understanding This Data

Magnitude 4.4 earthquakes are often felt but rarely cause damage.

Learn more about magnitude →

Authoritative source: USGS event page (event ID: us7000tdxz). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2026, August 27, 2026). M4.4 Earthquake 29 km NE of Tobelo, IndonesiaAugust 27, 2026. Retrieved September 15, 2026 from https://www.earthquaketracker.org/earthquakes/event/us7000tdxz/