Quakedle
Puzzle #10 was 15 km S of Hualien City, Taiwan.
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
- M7.4 — major class
- Magnitude type
- mww — W-phase moment magnitude
- Depth
- 40.0 km — shallow
- Region
- Taiwan and the Ryukyus
- Tsunami indicator
- USGS tsunami indicator set
- Felt reports
- 634 DYFI reports
- PAGER alert
- yellow PAGER alert
- Tectonic plates
- Philippine Sea Plate · Eurasian Plate
- Tectonic context
- Taiwan and the Ryukyu arc occupy a complicated collision and subduction zone between the Philippine Sea and Eurasian plates.
Also on the record
- USGS reports magnitude M7.4. Which standard descriptive class contains it?
- Major (M7.0–7.9)
- The hypocentral depth is 40.0 km. Which depth band is it in?
- Shallow (less than 70 km)
- USGS locates the event at “15 km S of Hualien City, Taiwan”. Which broad authored region matches?
- Taiwan and the Ryukyus
- What does the USGS tsunami indicator say for this event?
- Yes — the USGS event record has its tsunami indicator set.
- Is this the largest earthquake in the supplied USGS week comparison?
- Yes — it is the largest or tied for largest in the supplied week.