Quakedle

Puzzle #4 was 2024 Noto Peninsula, Japan 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.

View this event at USGS →

USGS — Tectonic Plates of the Earth

How it scored

Magnitude
M7.5 — major class
Magnitude type
mww — W-phase moment magnitude
Depth
10.0 km — shallow
Region
Japan
Tsunami indicator
USGS tsunami indicator set
Felt reports
420 DYFI reports
PAGER alert
red PAGER alert
Tectonic plates
Pacific Plate · Philippine Sea Plate · Eurasian Plate · North American Plate
Tectonic context
Japan sits at a complex set of subduction boundaries involving the Pacific and Philippine Sea plates and overriding continental plates.

Also on the record

USGS reports magnitude M7.5. Which standard descriptive class contains it?
Major (M7.0–7.9)
The hypocentral depth is 10.0 km. Which depth band is it in?
Shallow (less than 70 km)
USGS locates the event at “2024 Noto Peninsula, Japan Earthquake”. Which broad authored region matches?
Japan
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.

Play this puzzle →

Today's puzzle · All past answers