Biggest earthquake is a daily climate and weather series on Kalshi, with markets like “What will the biggest earthquake be on Oct 22, 2026?”. The Kalshi Eye archive lists 248 of its markets and has 13 days of daily Parquet files from October 12, 2026 to October 24, 2026 (33 MB), with every order book change and trade.

Venue: Kalshi, series KXBIGGESTQUAKE
Category: Climate and Weather, daily
Markets: 248 (209 settled, 13 open)
Files: 13 days, October 12, 2026 to October 24, 2026, 33 MB, 2,083,007 rows
Datasets: Order book (L2, incremental), Order book snapshots (top 10, 1 second), Top of book (every change), Top of book (1-minute bars), Trades

Open Biggest earthquake in Markets to see every day and market, then export the days you need. Free sample files of each dataset are on the Kalshi data page.

Reading the files

Every KXBIGGESTQUAKE trade on October 24, 2026, in DuckDB:

SELECT ts_recv, ticker, yes_price, size, taker_side
FROM 'kalshieye-data/trades/date=2026-10-24/series=KXBIGGESTQUAKE/trades-KXBIGGESTQUAKE-2026-10-24.parquet'
ORDER BY ts_recv;

To test a strategy on this series, see How to backtest Kalshi markets.

Related Kalshi series

Where will it rain daily (KXRAIN): 631 markets, 13 days of files
High Temperature San Diego (KXHIGHTSAN): 182 markets, 13 days of files
Highest temperature in Austin (KXHIGHAUS): 176 markets, 13 days of files
Highest temperature in Chicago (KXHIGHCHI): 176 markets, 13 days of files
Highest temperature in Denver (KXHIGHDEN): 176 markets, 13 days of files
Highest temperature in Los Angeles (KXHIGHLAX): 176 markets, 13 days of files

Figures through October 24, 2026. All Kalshi series with pages are listed on Kalshi series.