PlainQuake

Global ranking · USGS ComCat

Countries with the Strongest Earthquakes

Countries ranked by the highest-magnitude earthquake catalogued in their territory.

Japan
#1
M9.1
Max magnitude
50
ranked countries

The verdict

Japan leads with M9.1, ahead of Russia (M8.8) and Chile (M8.8) across 50 ranked countries.

#2 Russia
M8.8
#3 Chile
M8.8
M7.6
average across the list
#50 Panama
M6.7 (the list cutoff)

Magnitude is logarithmic, each whole step up is ~32× more energy released.

Full ranking

Max magnitude for all 50 ranked countries. Select any entry for its full seismic profile.

Bar length shows each row's value as a share of the #1 entry; hover or tap a bar for its exact share and rank.

#CountryMax magnitude
1JapanM9.1
2RussiaM8.8
3ChileM8.8
4IndonesiaM8.6
5MexicoM8.2
6United StatesM8.2
7New ZealandM8.1
8PeruM8.0
9Papua New GuineaM7.9
10ChinaM7.9
11FijiM7.9
12VanuatuM7.8
13Solomon IslandsM7.8
14TurkeyM7.8
15CanadaM7.8
16PhilippinesM7.8
17NepalM7.8
18EcuadorM7.8
19MyanmarM7.7
20PakistanM7.7
21IranM7.7
22JamaicaM7.7
23TongaM7.6
24Costa RicaM7.6
25Cayman IslandsM7.6
26AfghanistanM7.5
27IndiaM7.5
28VenezuelaM7.5
29New CaledoniaM7.5
30HondurasM7.5
31TaiwanM7.4
32GuatemalaM7.4
33MartiniqueM7.4
34ColombiaM7.3
35Timor LesteM7.3
36El SalvadorM7.3
37IraqM7.3
38TajikistanM7.2
39HaitiM7.2
40MalaysiaM7.1
41ArgentinaM7.0
42GreeceM7.0
43ZimbabweM7.0
44Democratic Republic of the CongoM6.8
45BoliviaM6.8
46MoroccoM6.8
47Svalbard and Jan MayenM6.8
48CubaM6.8
49BrazilM6.8
50PanamaM6.7

Source: USGS Comprehensive Earthquake Catalog (ComCat).

What this country ranking means

The 2.4-magnitude gap between Japan (M9.1) and #50-ranked Panama (M6.7) represents roughly 3,981x more energy released - magnitude is logarithmic.

Figures reflect the USGS ComCat catalog (M4+ since 2005, M6+ significant events since 1900) and depend partly on regional monitoring density - not a real-time hazard assessment.

How to read this ranking

This ranks the single STRONGEST catalogued earthquake ever recorded in each country, not an average. Unlike small tremors, a megathrust-scale event is detected by global monitoring networks even from sparsely-instrumented regions, so this list is far less affected by monitoring density than count-based rankings. It mostly reflects deep tectonic setting: whether a country sits on an active subduction zone capable of producing very large ruptures.

A low rank here does not mean a country is safe from a future large event, only that the recorded catalog (2005-present for M4+, back to 1900 for M6+) has not yet captured one. Some faults rupture on cycles far longer than the catalog window.

Frequently asked questions

What is the strongest earthquake ever recorded?

The M9.5 1960 Valdivia earthquake in Chile, the largest ever recorded by modern instruments. It ruptured roughly 1,000 km of fault and generated a Pacific-wide tsunami.

Can earthquakes exceed magnitude 10?

It is theoretically possible but extraordinarily unlikely, an M10 would require a fault rupture longer than any known fault (~10,000 km). The scale is logarithmic: M10 releases about 32× the energy of M9.5.

About this data

These rankings are computed directly from the USGS Comprehensive Earthquake Catalog (ComCat), the public-domain record maintained by the USGS Earthquake Hazards Program. Count-based leaderboards use the worldwide catalog of magnitude-4.0-and-above events from 2005 onward, the period over which the global seismograph network reliably detects and locates earthquakes everywhere, while magnitude leaderboards use the significant-event series of magnitude-6.0-and-above earthquakes stretching back to 1900. Magnitudes use the moment-magnitude scale (Mw), the modern standard that supersedes the older Richter scale; because the scale is logarithmic, each whole step up represents roughly thirty-two times more energy released. Remember that raw counts partly measure monitoring density, not only underlying seismicity, and that one historic outlier can anchor a high maximum magnitude, read each leaderboard alongside population exposure and building stock before drawing conclusions about real-world risk.

Source: USGS ComCat, verify with USGS → · See our methodology for the full pipeline.

According to the US Geological Survey Earthquake Hazards Program, PlainQuake's figures are rendered directly from 315,341 recorded M4+ earthquakes and 14,428 significant M6+ events (USGS ComCat, 2005-present) -- no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2026-07-19.