Portugal vs United States: Number of significant earthquakes
Portugal
1 events
in 1998
United States
1 events
in 2024
Portugal rank
21st
United States rank
21st
Number of significant earthquakes over time
- Portugal
- United States
How they compare
Portugal currently reports 1 events against 1 events in United States, a difference of 0 events.
The two have swapped places 3 times across 15 shared years of data; in 1755 it was Portugal ahead.
Portugal ranks 21st and United States ranks 21st of 97 countries.
Across the 9 decades both report, Portugal averaged higher in 3 and United States in 4.
Head to head by decade
| Decade | Portugal | United States | Difference | Ahead |
|---|---|---|---|---|
| 1750s | 2 events | 1 events | 1 events | Portugal |
| 1850s | 1.33 events | 1 events | 0.3333 events | Portugal |
| 1900s | 1 events | 2 events | 1 events | United States |
| 1920s | 2 events | 1 events | 1 events | Portugal |
| 1930s | 1 events | 2 events | 1 events | United States |
| 1950s | 1 events | 1 events | 0 events | — |
| 1960s | 1 events | 1 events | 0 events | — |
| 1970s | 1 events | 2 events | 1 events | United States |
| 1980s | 1 events | 3 events | 2 events | United States |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher number of significant earthquakes, Portugal or United States?
- Portugal, at 1 events against 1 events in United States as of 1998.
- What is the difference in number of significant earthquakes between Portugal and United States?
- 0 events, with Portugal ahead.
- How many years of comparable data are there for Portugal and United States?
- 15 years are reported by both, from 1755 to 1989.
- How do Portugal and United States rank globally for number of significant earthquakes?
- Portugal ranks 21st and United States ranks 21st of 97 countries.
- Where does this data come from?
- National Geophysical Data Center / World Data Service (2025) – with major processing by Our World in Data, published as Number of significant earthquakes. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
A significant earthquake meets at least one of the following: caused deaths, moderate damage ($1 million or more), a magnitude 7.5 or greater, Modified Mercalli Intensity (MMI) X or greater, or generated a tsunami. Due to data availability, recent data will be more complete than older historical estimates.