Overall Green Earthquake alert in Samoa on 07 Nov 2020 09:27 UTC

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

M 6.1 in Samoa on 07 Nov 2020 09:27 UTC

Hazard models

EQ parameters

Shakemap

Tsunami

Event summary

This earthquake is expected to have a low humanitarian impact based on the magnitude and the affected population and their vulnerability.

Earthquake Magnitude:	6.1M
Depth:	29.3 Km
Lat/Lon:	-15.2741 , -173.5606
Event Date:	07 Nov 2020 09:27 UTC 06 Nov 2020 21:27 Local
Exposed Population:	About 800 people within 100km
Source:	NEIC us7000cbr2
Inserted at:	07 Nov 2020 17:29 UTC
INFORM Coping capacity of the alert score:	1.1 (Samoa)

GDACS Score

For more info on GDACS alert score click here.

	Earthquake (Shakemap)		GDACS score
NEIC	0		0
us7000cbr2	Scaled population (raster)	0
	C1 shakemap	-0.59
	C2 shakemap	0.53
	Country Vulnerability	0
	INFORM_normalised	1

Maximum expected impact using different data sources.

ShakeMap is a product of the USGS Earthquake Hazards Program in conjunction with the regional seismic networks. ShakeMaps provide near-real-time maps of ground motion and shaking intensity following significant earthquakes.

Episode Timeline

ID	Date	Mag, Depth	MMI*	Population**	Tsunami risk***	Delay (hh:mm)	Source
1342154	07 Nov 2020 09:27	6.4M, 33km	N/A	Few people (in 100km)	0m (at 00:00)	00:11	PTWC
1342156	07 Nov 2020 09:27	5.9M, 24.24km	3.87	N/A (in MMI>=VII)		00:21	NEIC
1342210	07 Nov 2020 09:27	6.1M, 29.3km	4.08	N/A (in MMI>=VII)		08:02	NEIC

The episode that generated the alert; the next major evaluations beyond 12 hours will not trigger additional alerts.

The episode that has the last updated information.

* The max MMI detected for sources having shakemaps;
** The population detected in MMI>=7 for episode with shakemap or in a 100km radius;
*** The tsunami max height.

Exposed population

The earthquake happened in unknowed a zone. The alertlevel for this event is GREEN

Intensity	Population
	no people

Shakemaps Timeline

Shake id #	episodeid	Lat/Lon	Magnitude	Depth	Max MMI	Date shake (UTC)	Delay (hh:mm)
1	1342156	-15.266/-173.552	5.9	24.2	3.872	07 Nov 2020 09:51	00:23	(new episode)
2	1342156	-15.266/-173.552	5.9	24.2	3.872	07 Nov 2020 11:30	02:03	(upd of #1)
3	1342210	-15.274/-173.561	6.1	29.3	4.021	07 Nov 2020 17:32	08:04	(new episode)
4	1342210	-15.274/-173.561	6.1	29.3	4.076	08 Nov 2020 09:30	1d 00:03	(upd of #3)

Affected Provinces

Affected populated places. Areas of interest

Intensity	Name	Region Province	Country	City class	Population	Distance
	Falehau		Tonga	Village	-	77 km
	Hihifo		Tonga	Village	<1000 people	80 km

see full list

Critical infrastructure

Airports, ports, nuclear plants and hydrodams at risk, if affected, are listed below.

More information

For a full list of available products related to this event, please refer to the GDACS Resources page.

Disclaimer
While we try everything to ensure accuracy, this information is purely indicative and should not be used for any decision making without alternate sources of information.
The JRC is not responsible for any damage or loss resulting from the use of the information presented on this website.
The designations employed and the presentation of material on the map do not imply the expression of any opinion whatsoever on the part of the European Union concerning the legal status of any country, territory or area or of its authorities, or concerning the delimitation of its frontiers or boundaries.