5.0

M5.0 Earthquake 18 km SSE of Basotu, TanzaniaJuly 9, 2025

2025-07-09 22:12:56 UTC (2025-07-09) · approx. 12:12 AM UTC+2 local

Felt by 3 people across nearby locations.

MagnitudeM5.0(mb)
Time22:12 UTC12:12 AM UTC+2
Depth10.0 kmshallow crustal
Coordinates-4.528°, 35.120°
Felt by3DYFI responses
Status✓ Reviewed by USGS

On July 9, 2025 at 22:12 UTC, a magnitude 5.0 shallow crustal earthquake struck 18 km SSE of Basotu, Tanzania, at a depth of 10.0 km and coordinates -4.5280°, 35.1204°. This earthquake was detected by 95 seismic stations with excellent location accuracy and was assigned a USGS significance rating of 386, placing it among routine seismic activity.

Physical scale: An earthquake of magnitude 5.0 releases seismic energy equivalent to roughly 477 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 1.7 km — a useful intuition for the size of the slip patch on the fault.

Map showing earthquake epicenter at -4.53°, 35.12°

Did You Feel It? — community-reported shaking

Aggregated felt-report intensity from 3 citizen responses to the USGS Did You Feel It? system. Each colored zone represents the average MMI from reports in that area.

USGS DYFI community-reported intensity map for the M5.0 earthquake near 18 km SSE of Basotu, Tanzania

Source: U.S. Geological Survey Did You Feel It?. View on USGS · submit your own report

Earthquake Details

Magnitude
5.0 mb
Depth
10.0 km
shallow crustal
Location
-4.5280°N
35.1204°E
Felt Reports
3
DYFI responses
Community Intensity
4.3
CDI from reports

Technical Information

Event ID
us7000qbp5
Event Type
earthquake
Status
✓ Reviewed
Significance
386
Stations Used
95
Azimuthal Gap
42.0°
Min Station Distance
3.627°
RMS Residual
0.58 sec
Last Updated
2025-09-20 22:27:51 UTC

Common Questions

How strong was the magnitude 5.0 earthquake near Basotu, Tanzania?

The magnitude 5.0 earthquake that struck 18 km SSE of Basotu, Tanzania on July 9, 2025 at 22:12 UTC had a depth of 10.0 km. For context, this was a moderate earthquake that could be widely felt.

Where did the earthquake occur?

The earthquake epicenter was located at -4.5280°, 35.1204°, which is 18 km SSE of Basotu, Tanzania.

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.

Authoritative source: USGS event page (event ID: us7000qbp5). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2025, July 9, 2025). M5.0 Earthquake 18 km SSE of Basotu, TanzaniaJuly 9, 2025. Retrieved September 20, 2025 from https://www.earthquaketracker.org/earthquakes/event/us7000qbp5/