Quakedle
Puzzle #31 was southern East Pacific Rise.
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
- M6.6 — strong class
- Magnitude type
- mww — W-phase moment magnitude
- Depth
- 10.0 km — shallow
- Region
- Pacific Ocean spreading ridges
- Tsunami indicator
- USGS tsunami indicator not set
- Felt reports
- 7 DYFI reports
- PAGER alert
- green PAGER alert
- Tectonic plates
- Pacific Plate · Nazca Plate · Antarctic Plate
- Tectonic context
- Oceanic plates separate along the East Pacific Rise and Pacific–Antarctic Ridge, with earthquakes concentrated on spreading and transform segments.
Also on the record
- USGS reports magnitude M6.6. Which standard descriptive class contains it?
- Strong (M6.0–6.9)
- The hypocentral depth is 10.0 km. Which depth band is it in?
- Shallow (less than 70 km)
- USGS locates the event at “southern East Pacific Rise”. Which broad authored region matches?
- Pacific Ocean spreading ridges
- What does the USGS tsunami indicator say for this event?
- No — USGS did not set the event’s tsunami indicator; that is not a forecast.
- Is this the largest earthquake in the supplied USGS week comparison?
- No — at least one supplied week event has a higher magnitude.