Overall Green Earthquake in Solomon Is. on 27 Feb 2023 09:50 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 5.5 in Solomon Is. on 27 Feb 2023 09:50 UTC

Hazard models

Rapid Impact

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:	5.5M
Depth:	83.403 Km
Lat/Lon:	-11.2688 , 166.2826
Event Date:	27 Feb 2023 09:50 UTC 27 Feb 2023 20:50 Local
Exposed Population:	20 thousand in MMI IV
Source:	NEIC us6000jrwn
Inserted at:	27 Feb 2023 10:11 UTC
INFORM Coping capacity of the alert score:	1.1 (Solomon Is.)

GDACS Score

For more info on GDACS score click here.

	Earthquake (Shakemap)		GDACS score
NEIC	0		0
us6000jrwn	Scaled population (raster)	0
	C1 shakemap	0
	C2 shakemap	0
	Country Vulnerability	0
	INFORM_normalised	0
	Score no CC	0

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	Level	Score	Date	Mag, Depth	MMI*	Population**	Tsunami risk***	Delay (hh:mm)	Source
1492469		0	27 Feb 2023 09:50	5.5M, 83.403km	4.14	N/A (in MMI>=VII)		00:21	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 Solomon Islands ,of Solomon Is. (population 6,078) . 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	1492469	166.283/-11.269	5.5	83.4	4.14	27 Feb 2023 10:16	00:26	(new episode)
2	1492469	166.283/-11.269	5.5	83.4	4.14	27 Feb 2023 11:55	02:04	(upd of #1)
3	1492469	166.283/-11.269	5.5	83.4	4.14	28 Feb 2023 10:40	1d 00:49	(upd of #2)

Affected Provinces

Intensity	Region Province	Country	Population
	Solomon Is.	Solomon Islands	6100 people

Critical infrastructure

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

Airports

Intensity	Name	IATA Code	Elevation (m)	Usage	Runway type	IFR	Runway Length (ft)	Distance
	Santa Cruz	SCZ	unknown				0	73 km

Ports

Intensity	Name	LOCODE	Country	Distance
	Peu		Soloman Islands	76 km
	Graciosa Bay		Soloman Islands	76 km

More information

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

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