Reported Earthquakes: Week of Sep 28–Oct 4, 2026
USGS-monitored sensors recorded 1724 reported earthquakes across the United States and its territories for the week of September 28 to October 4, 2026, including 134 at magnitude 2.5 or greater. The largest, a magnitude 4.8 event, was recorded near 127 km S of False Pass, Alaska on October 1 (14:46 UTC).
Every reported earthquake is shown, sized and colored by magnitude on a fixed scale (consistent week to week). Alaska and Hawaii are shown at their own scale — see the note below on why.
State & territory breakdown
| State/territory | Reported | Largest magnitude |
|---|---|---|
| California | 626 | M4.8 |
| Alaska | 574 | M4.8 |
| Hawaii | 158 | M3.5 |
| Texas | 96 | M3.1 |
| New Mexico | 58 | M3.3 |
| Washington | 52 | M4.2 |
| Puerto Rico | 37 | M3.9 |
| Nevada | 25 | M3.3 |
| Oklahoma | 24 | M2.0 |
| Utah | 17 | M2.7 |
| Montana | 16 | M1.6 |
| U.S. Virgin Islands | 11 | M3.6 |
| Oregon | 6 | M4.2 |
| Idaho | 5 | M1.9 |
| Unresolved (CONUS) | 4 | M2.7 |
| Missouri | 3 | M2.3 |
| Tennessee | 3 | M1.6 |
| Kansas | 2 | M3.0 |
| Wyoming | 1 | M2.8 |
| Arizona | 1 | M2.4 |
| Arkansas | 1 | M2.1 |
| New York | 1 | M2.0 |
| Alabama | 1 | M2.0 |
| New Hampshire | 1 | M1.9 |
| Virginia | 1 | M0.2 |
Source: USGS Earthquake Hazards Program (public data). Magnitude 2.5+ is shown on the map as a readable threshold; the total above includes all magnitudes USGS recorded for the week. Reported activity reflects what instruments recorded — it is not a judgment about risk to any specific place. Full unfiltered catalog: USGS Earthquake Map.
Download Consilium
See regional safety signals for your neighborhood in the Consilium app.
