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.

Individual pages

About this data

Indicator: Number of significant earthquakes
Unit: events
Source: National Geophysical Data Center / World Data Service (2025) – with major processing by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 97 places, 4,005 data points, 1000–2024
Last refreshed: 07 August 2026

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.