Quakedle
Puzzle #50 was 2025 Kamchatka Peninsula, Russia Earthquake.
Quakedle is an educational game. Event details and tsunami indicators must not be used for emergency decisions; follow official local authorities and current USGS notices.
USGS — Tectonic Plates of the Earth
How it scored
- Magnitude
- M8.8 — great class
- Magnitude type
- mww — W-phase moment magnitude
- Depth
- 35.0 km — shallow
- Region
- Kamchatka and the Kurils
- Tsunami indicator
- USGS tsunami indicator set
- Felt reports
- 125 DYFI reports
- PAGER alert
- red PAGER alert
- Tectonic plates
- Pacific Plate · North American Plate
- Tectonic context
- The Pacific Plate subducts beneath the Kamchatka–Kuril arc, generating shallow interface and deep in-slab earthquakes.
Also on the record
- USGS reports magnitude M8.8. Which standard descriptive class contains it?
- Great (M8.0 or higher)
- The hypocentral depth is 35.0 km. Which depth band is it in?
- Shallow (less than 70 km)
- USGS locates the event at “2025 Kamchatka Peninsula, Russia Earthquake”. Which broad authored region matches?
- Kamchatka and the Kurils
- What does the USGS tsunami indicator say for this event?
- Yes — the USGS event record has its tsunami indicator set.
- USGS received 125 “Did You Feel It?” reports. Which band is that?
- Widely felt (100–999)