PlainQuake

Research

Data analysis drawn directly from the current dataset. Every page derives at least one statistic computed from the USGS ComCat catalog, cites the source inline, and documents its methodology and limits. Open data: plainquake-country-statistics.csv.

What can you learn from PlainQuake research?

What this research covers

PlainQuake research analyzes USGS ComCat records covering 317,293 M4.0+ earthquakes, led by Indonesia (37,915 events); among US states, Alaska leads with 8,996, answering one ranking or trend question per study.

317,293
M4.0+ events in catalog
Indonesia
37,915 events (top country)
Alaska
8,996 events (top US state)
3
published studies

Studies below answer one earthquake ranking or trend question each from the live USGS ComCat mirror; they are descriptive seismology statistics, not hazard forecasts.

US States with Most Earthquakes and Magnitudes in 2025

Explore earthquake patterns in US states like Alaska and Puerto Rico, where Alaska logged 8804 events and Puerto Rico had 293 with averages of 4.45 and 4.39 magnitudes, drawn from 14334 significant USGS records.

Track global earthquake trends with 15703 events in 2005 and 14674 in 2006 (closed years), plus a live recent-years table on the page. Current catalog: 317,293 M4.0+ events including the open year.