M4.6 91 km SE of Akhiok, Alaska

usp0000671 · 1974-05-04T04:02:00Z · 56.295, -153.268

Magnitude

M4.6

Depth

10 km

Sensor hits

Observations

drawing…

The record

Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.

start_utc	1974-05-04T04:02:00.200000-04:00
end_utc	1974-05-04T04:02:00.200000-04:00
lat	56.295
lon	-153.268
origin_utc	1974-05-04T04:02:00.200000-04:00
place	91 km SE of Akhiok, Alaska
status	reviewed
tsunami_flag	0
provenance	`[{"source_slug":"usgs_earthquake","name":"USGS Earthquake","url":"https://earthquake.usgs.gov/fdsnws/event/1/query","retrieved_utc":"2026-07-01"}]`
last_fix_utc	1974-05-04T04:02:00.200000-04:00
radius_km	500
window_hours_before	6
window_hours_after	48

Storage: dossier · event_storehouse/eq/usp0000671.json · source record ↗