Earthquakes M4.5+ within 100 km: ranking of metro areas in Pennsylvania
Order: highest value first. Lower is better.
Earthquakes M4.5+ within 100 km: ranking of metro areas in Pennsylvania: Allentown ranks first (0.05 per year) and York last (0.00 per year). The median across 8 the state's metro areas is 0.00 per year. Observation period: 2006-2025. Source: USGS, ComCat earthquake catalog.
Average number of magnitude 4.5+ earthquakes per year within 100 km of the center over the period. This is a record of past tremors, not a hazard forecast.
Data quality: 20-year catalog: rare strong events may fall outside the window; completeness outside the US depends on the region.
| # | Metro area | Value | Period |
|---|---|---|---|
| 1 | Allentown | 0.05 per year | 2006-2025 |
| 2 | Philadelphia | 0.05 per year | 2006-2025 |
| 3 | Harrisburg | 0.00 per year | 2006-2025 |
| 4 | Lancaster | 0.00 per year | 2006-2025 |
| 5 | Pittsburgh | 0.00 per year | 2006-2025 |
| 6 | Reading | 0.00 per year | 2006-2025 |
| 7 | Scranton | 0.00 per year | 2006-2025 |
| 8 | York | 0.00 per year | 2006-2025 |
Only places with a value for the indicator are ranked; a gap is not a zero. A ranking on one indicator is not an assessment of a place to live.