USGS data confirms exactly two worldwide earthquakes of moment magnitude 6.5 or greater occurred from March 23–29, 2026, driving trader consensus to 100% on this outcome: a M7.5 event 166 km west of Neiafu, Tonga, on March 24 at shallow 229.5 km depth, and a M6.5 quake 122 km east of Yamada, Japan, on March 26. These reviewed measurements from the authoritative catalog align with global seismicity patterns, averaging 15–20 such events annually across active plate boundaries like the Pacific Ring of Fire. Scenarios challenging this include rare post-review magnitude upgrades to additional events or reclassification of borderline detections, though final USGS listings post-period render such shifts improbable.
Experimental AI-generated summary referencing Polymarket data · UpdatedHow many 6.5 or above earthquakes March 23 - March 29?
How many 6.5 or above earthquakes March 23 - March 29?
2 100.0%
0 <1%
1 <1%
3 <1%
$259,658 Vol.
$259,658 Vol.
0
No
1
No
2
Yes
3
No
4
No
5
No
>5
No
2 100.0%
0 <1%
1 <1%
3 <1%
$259,658 Vol.
$259,658 Vol.
0
No
1
No
2
Yes
3
No
4
No
5
No
>5
No
The resolution source for this market is the United States Geological Survey (USGS) Earthquake Hazards Program (https://earthquake.usgs.gov/earthquakes/browse/significant.php#sigdef).
If an earthquake of substantial size has occurred within this market's timeframe but not yet appeared on the resolution source, this market may remain open until April 30, 2026, 11:59 PM ET, or until the earthquake in question otherwise appears on the resolution source. If such an earthquake has not appeared on the resolution source by that date, another credible resolution source will be used.
This market may not resolve until the timeframe of this market has concluded. If a qualifying earthquake has been recorded on the final day, this market may remain open for 24 hours to allow for revisions to the recorded magnitude. After 24 hours, this market will resolve according to the latest provided data.
Market Opened: Mar 20, 2026, 1:17 PM ET
Resolver
0x69c47De9D...Outcome proposed: Yes
No dispute
Final outcome: Yes
The resolution source for this market is the United States Geological Survey (USGS) Earthquake Hazards Program (https://earthquake.usgs.gov/earthquakes/browse/significant.php#sigdef).
If an earthquake of substantial size has occurred within this market's timeframe but not yet appeared on the resolution source, this market may remain open until April 30, 2026, 11:59 PM ET, or until the earthquake in question otherwise appears on the resolution source. If such an earthquake has not appeared on the resolution source by that date, another credible resolution source will be used.
This market may not resolve until the timeframe of this market has concluded. If a qualifying earthquake has been recorded on the final day, this market may remain open for 24 hours to allow for revisions to the recorded magnitude. After 24 hours, this market will resolve according to the latest provided data.
Resolver
0x69c47De9D...Outcome proposed: Yes
No dispute
Final outcome: Yes
USGS data confirms exactly two worldwide earthquakes of moment magnitude 6.5 or greater occurred from March 23–29, 2026, driving trader consensus to 100% on this outcome: a M7.5 event 166 km west of Neiafu, Tonga, on March 24 at shallow 229.5 km depth, and a M6.5 quake 122 km east of Yamada, Japan, on March 26. These reviewed measurements from the authoritative catalog align with global seismicity patterns, averaging 15–20 such events annually across active plate boundaries like the Pacific Ring of Fire. Scenarios challenging this include rare post-review magnitude upgrades to additional events or reclassification of borderline detections, though final USGS listings post-period render such shifts improbable.
Experimental AI-generated summary referencing Polymarket data · Updated
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