4.1
Earthquake Details: 4 km E of Cowles, Nebraska, United States
Mar 1, 2026, 18:59:27
- Depth
- 4.612 km
- Felt reports
- 1,893
Source: USGSUpdated: Oct 18, 2026, 07:09 PM UTC
A magnitude 4.1 earthquake occurred on Mar 1, 2026 at 18:59:27. Epicenter: 4 km E of Cowles, Nebraska, United States. Reported depth: 4.612 km.
Status: Reviewed
Tsunami information
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Time & depth
- Local time
- Mar 1, 2026, 12:59:27 CST
- UTC
- Mar 1, 2026, 18:59:27 UTC
4.612 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
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Nearby major cities
Agency measurements
Agencies may use different observations and magnitude scales, and initial estimates can change.
- USGSmwr 4.1
us7000s1a2
- Depth:
- 4.61 km
- Status:
- Reviewed
- Time:
- Updated:
- Oct 18, 2026, 07:09 PM UTC
Technical Details
Depth4.612 km
Significance819
Latitude40.1779
Longitude-98.3972
Event IDus7000s1a2
Magnitude4.1
Updated:Oct 18, 2026, 19:09:40 UTC
Regional Seismicity
External Resources
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Earthquake information is automatically aggregated from the official seismic agencies listed below. Preliminary measurements can change as agencies review an event; use local emergency authorities for safety decisions. Latest successful data update: Oct 18, 2026, 19:09 UTC.
Data sources:
- USGS — Credit: U.S. Geological Survey.
- EMSC — Credit: EMSC/CSEM. Event catalogue data are provided under CC BY 4.0.
- JMA — Source: Japan Meteorological Agency (JMA).
- Geoscience Australia — Based on Australian Earthquakes data by Geoscience Australia. © Commonwealth of Australia. Licensed under CC BY 4.0; the section 5 disclaimer applies.
- GeoNet — We acknowledge the New Zealand GeoNet programme and its sponsors NHC, Earth Sciences NZ, LINZ, NEMA and MBIE for providing earthquake data.
- CENC / Wolfx — CENC earthquake parameters via Wolfx, an independent unofficial relay.
- GFZ / GEOFON — Locations, depths and magnitudes: GFZ/GEOFON using GEVN network data (CC BY 4.0).