Algeria vs Portugal: Number of significant earthquakes
Algeria
1 events
in 2021
Portugal
1 events
in 1998
Algeria rank
21st
Portugal rank
21st
Number of significant earthquakes over time
- Algeria
- Portugal
How they compare
Algeria currently reports 1 events against 1 events in Portugal, a difference of 0 events.
The two have swapped places 1 time across 5 shared years of data; in 1856 it was Algeria ahead.
Algeria ranks 21st and Portugal ranks 21st of 97 countries.
Algeria has averaged higher in every one of the 3 decades both report.
Head to head by decade
| Decade | Algeria | Portugal | Difference | Ahead |
|---|---|---|---|---|
| 1850s | 2 events | 1 events | 1 events | Algeria |
| 1960s | 1 events | 1 events | 0 events | — |
| 1980s | 1 events | 1 events | 0 events | — |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher number of significant earthquakes, Algeria or Portugal?
- Algeria, at 1 events against 1 events in Portugal as of 2021.
- What is the difference in number of significant earthquakes between Algeria and Portugal?
- 0 events, with Algeria ahead.
- How many years of comparable data are there for Algeria and Portugal?
- 5 years are reported by both, from 1856 to 1989.
- How do Algeria and Portugal rank globally for number of significant earthquakes?
- Algeria ranks 21st and Portugal 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.