M 5.6 in Solomon Islands on 28 May 2023 03:29 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: 5.6M
Depth: 103.855 Km
Lat/Lon: -10.1488 , 161.1942
Event Date: 28 May 2023 03:29 UTC
28 May 2023 14:29 Local
Exposed Population: 110 thousand in MMI IV
Source: NEIC us7000k4jy
Inserted at: 28 May 2023 03:47 UTC
INFORM Coping capacity of the alert score: 6.6 (Solomon Is.)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)		 GDACS score
NEIC 0 0
us7000k4jy Scaled population (vector) 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

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1507993 0 28 May 2023 03:29 5.6M, 103.855km 4.23 N/A (in MMI>=VII) 00:18 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 366,000) . The alertlevel for this event is GREEN

Intensity Population


Shakemaps Timeline

AlertShake id #ScoreepisodeidLat/LonMagnitudeDepthMax MMIDate shake (UTC)Delay (hh:mm) 
1 0 1507993 161.194/-10.149 5.6 103.9 4.213 28 May 2023 03:51 00:21 (new episode)
2 0 1507993 161.194/-10.149 5.6 103.9 4.213 28 May 2023 04:04 00:34 (upd of #1)
3 0 1507993 161.219/-10.158 5.6 101.6 4.23 28 May 2023 04:33 01:03 (upd of #2)
4 0 1507993 161.219/-10.158 5.6 101.6 4.23 28 May 2023 05:34 02:04 (upd of #3)
5 0 1507993 161.219/-10.158 5.6 101.6 4.23 29 May 2023 03:40 1d 00:10 (upd of #4)

Affected Provinces

Intensity Region Province Country Population
Solomon Is. Solomon Islands 150000 people
Solomon Is. Solomon Islands <1000 people

Affected populated places. Areas of interest

Intensity Name Region Province Country City class Population Distance
Tawaiabu Solomon Islands Village - 12 km
Hada Solomon Islands Village - 14 km
Tarosi Solomon Islands Village - 14 km
Manuagere Solomon Islands Village - 18 km
Ubuna Solomon Islands Village - 18 km
Rumahui Solomon Islands Village - 19 km
Huro Solomon Islands Village - 20 km
Maranu'u Solomon Islands Village - 24 km
Maneoura Solomon Islands Village - 25 km
Heuru Solomon Islands Village - 26 km
Oneoia Solomon Islands Village - 26 km
Suuruaharau Solomon Islands Village - 32 km
Asimaenioha Solomon Islands Village - 33 km
Onehatare Solomon Islands Village - 36 km
Etamarorai Solomon Islands Village - 39 km
Bia Solomon Islands Village - 39 km
Tetere Solomon Islands Village - 43 km
Wango Solomon Islands Village - 44 km
Manewaro Solomon Islands Village - 45 km
Fagani Solomon Islands Village - 51 km
Ione Solomon Islands Village - 52 km
Poinagobo Solomon Islands Village - 53 km
Makina Solomon Islands Village - 55 km
Apaoro Solomon Islands Village - 56 km
Alavugu Solomon Islands Village - 56 km
Hu'umarere Solomon Islands Village - 57 km
Palasuu Solomon Islands Village - 57 km
Umara Solomon Islands Village - 57 km
Komunihara Solomon Islands Village - 60 km
Bio I Solomon Islands Village - 60 km
Saa Solomon Islands Village - 60 km
Kaokaona Solomon Islands Village - 60 km
Sanggasere Solomon Islands Village - 60 km
Suenn Solomon Islands Village - 62 km
Peonakake Solomon Islands Village - 62 km
Sungasau Solomon Islands Village - 62 km
Hulihale Solomon Islands Village - 63 km
Tawarodo Solomon Islands Village - 63 km
Veramakuru Solomon Islands Village - 64 km
Korai Solomon Islands Village - 66 km
Pamua Solomon Islands Village - 66 km
Balo Solomon Islands Village - 67 km
Parom Bou Solomon Islands Village - 67 km
Na Mbulonggato Solomon Islands Village - 69 km
Kaonasughu Solomon Islands Village - 70 km
Mbalo Solomon Islands Village - 72 km
Koetungi Solomon Islands Village - 72 km
Waimapuru Solomon Islands Village - 74 km
Makaruka Solomon Islands Village - 76 km
Kuma Solomon Islands Village - 78 km
Sitaronda Solomon Islands Village - 79 km
Mwanimauru Solomon Islands Village - 80 km
Manchuki Solomon Islands Village - 81 km
Naho Solomon Islands Village - 81 km
Karovo Solomon Islands Village - 82 km
Panuha Solomon Islands Village - 82 km
Manihinua Solomon Islands Village - 82 km
Ngorangora Solomon Islands Village - 82 km
Apurahe Solomon Islands Village - 83 km
Lumu Solomon Islands Village - 83 km
Arohane Solomon Islands Village - 85 km
Maniga Solomon Islands Village - 86 km
Tawani Solomon Islands Village - 87 km
Bweinaniawarikiapu Solomon Islands Village - 87 km
Taraoto Solomon Islands Village - 88 km
Wugiroga Solomon Islands Village - 88 km
Mbulo Solomon Islands Village - 89 km
O'io Solomon Islands Village - 89 km
Valasi Solomon Islands Village - 89 km
Makana Solomon Islands Village - 89 km
Ahia Solomon Islands Village - 90 km
Mwarada Solomon Islands Village - 90 km
Okeoke Solomon Islands Village - 90 km
Ulawa I Solomon Islands Village - 90 km
Su'utaluhia Solomon Islands Village - 91 km
Maraone Solomon Islands Village - 91 km
Marahovi Solomon Islands Village - 91 km
Geigei Solomon Islands Village - 91 km
Hauhui Solomon Islands Village - 91 km
Na Wosi Solomon Islands Village - 92 km
Mehale Solomon Islands Village - 92 km
Rere Solomon Islands Village - 92 km
Sioduru Solomon Islands Village - 94 km
Manewiriwiri Solomon Islands Village - 94 km
Surairo Solomon Islands Village - 94 km
Seve Solomon Islands Village - 95 km
Raa Solomon Islands Village - 95 km
Rua Sura Solomon Islands Village - 95 km
Takataka Solomon Islands Village - 95 km
Taheramo Solomon Islands Village - 96 km
Narohei Solomon Islands Village - 97 km
Ngorangora Solomon Islands Village - 98 km
Namakohigho Solomon Islands Village - 99 km
Tawasu Solomon Islands Village - 100 km
Wakora Solomon Islands Village - 100 km
Maniate Solomon Islands Village - 100 km
Wango Solomon Islands Village - 101 km
Raurembo Solomon Islands Village - 101 km
Komunimboko Solomon Islands Village - 101 km
Lova Solomon Islands Village - 101 km

see full list


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
Marau RUS unknown 0 51 km
Parasi PRS unknown 0 54 km
Mbambanakira MBU unknown 0 67 km
Kirakira IRA 2 0 84 km
Tarapaina TAA unknown 0 87 km
Avu Avu AVU unknown 0 91 km
Onepusu ONE unknown 0 110 km
Atoifi ATD unknown 0 142 km
Henderson International HIR 9 0 148 km
Santa Ana NNB unknown 0 158 km

Ports

Intensity Name LOCODE Country Distance
Kira Kira Soloman Islands 85 km
Aola Bay Soloman Islands 101 km
Cape Surville Soloman Islands 150 km

More information

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