Overall Red Earthquake in Russia on 29 Jul 2025 23:24 UTC

GDACS is a cooperation framework between the United Nations, the European Commission and disaster managers worldwide to improve awareness, information exchange and coordination in the first phase after major sudden-onset disasters.

M 8.8 Earthquake and Tsunami (9.9 m) in Russia on 29 Jul 2025 23:24 UTC

2025-07-30 05:25 message from NTWC

Tsunami Observations

The following are tsunami wave observations from coastal and/or deep-ocean sea level gauges at the indicated locations the maximum tsunami height is measured with respect to the normal tide level

GAUGE LOCATION	LAT	LON	TIME (UTC)	HEIGHT (m)	PERIOD (min)
Adak (Alaska)	-	-	21:04	0.43	-
Nikolskoe (Russia)	54.3	35.88	17:14	0.06	-

Measurements Levels

SOURCE	GAUGE LOCATION	LAT	LON	TIME (UTC)	HEIGHT (m)	PERIOD (min)
NTWC	Adak (Alaska)	-	-	21:04	0.43	-
NTWC	Nikolskoe (Russia)	54.3	35.88	17:14	0.06	-

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