M 6.1 in Solomon Islands on 21 May 2023 15:45 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: 6.1M
Depth: 77.791 Km
Lat/Lon: -10.2728 , 161.4442
Event Date: 21 May 2023 15:45 UTC
22 May 2023 02:45 Local
Exposed Population: 30 thousand in MMI V
Source: NEIC us6000kdnw
Inserted at: 21 May 2023 16:04 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
us6000kdnw Scaled population (raster) 0  
  C1 shakemap 0  
  C2 shakemap 0  
  Country Vulnerability 0  
  INFORM_normalised 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

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1506870 0 21 May 2023 15:45 6.1M, 77.791km 5.47 N/A (in MMI>=VII) 00:19 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
34000 people


Shakemaps Timeline

AlertShake id #ScoreepisodeidLat/LonMagnitudeDepthMax MMIDate shake (UTC)Delay (hh:mm) 
1 0 1506870 161.444/-10.273 6.1 77.8 5.291 21 May 2023 16:06 00:21 (new episode)
2 0 1506870 161.444/-10.273 6.1 77.8 5.291 21 May 2023 16:15 00:30 (upd of #1)
3 0 1506870 161.444/-10.273 6.1 77.8 5.291 21 May 2023 17:49 02:04 (upd of #2)
4 0 1506870 161.444/-10.273 6.1 77.8 5.47 22 May 2023 16:40 1d 00:55 (upd of #3)

Affected Provinces

Intensity Region Province Country Population
Solomon Is. Solomon Islands 21000 people
Solomon Is. Solomon Islands 59000 people

Affected populated places. Areas of interest

Intensity Name Region Province Country City class Population Distance
Asimaenioha Solomon Islands Village - 6 km
Suuruaharau Solomon Islands Village - 7 km
Heuru Solomon Islands Village - 8 km
Onehatare Solomon Islands Village - 9 km
Maneoura Solomon Islands Village - 9 km
Maranu'u Solomon Islands Village - 9 km
Etamarorai Solomon Islands Village - 10 km
Bia Solomon Islands Village - 11 km
Oneoia Solomon Islands Village - 11 km
Huro Solomon Islands Village - 11 km
Wango Solomon Islands Village - 13 km
Ubuna Solomon Islands Village - 14 km
Manewaro Solomon Islands Village - 15 km
Tetere Solomon Islands Village - 16 km
Tarosi Solomon Islands Village - 17 km
Tawaiabu Solomon Islands Village - 19 km
Hada Solomon Islands Village - 19 km
Rumahui Solomon Islands Village - 20 km
Fagani Solomon Islands Village - 20 km
Manuagere Solomon Islands Village - 21 km
Umara Solomon Islands Village - 29 km
Kaokaona Solomon Islands Village - 29 km
Apaoro Solomon Islands Village - 31 km
Bio I Solomon Islands Village - 32 km
Sungasau Solomon Islands Village - 33 km
Suenn Solomon Islands Village - 34 km
Tawarodo Solomon Islands Village - 35 km
Hulihale Solomon Islands Village - 35 km
Pamua Solomon Islands Village - 36 km
Kaonasughu Solomon Islands Village - 39 km
Waimapuru Solomon Islands Village - 43 km
Mwanimauru Solomon Islands Village - 49 km
Manchuki Solomon Islands Village - 50 km
Manihinua Solomon Islands Village - 51 km
Ngorangora Solomon Islands Village - 52 km
Arohane Solomon Islands Village - 54 km
Panuha Solomon Islands Village - 55 km
Maniga Solomon Islands Village - 55 km
Apurahe Solomon Islands Village - 56 km
Tawani Solomon Islands Village - 56 km
Bweinaniawarikiapu Solomon Islands Village - 57 km
Wugiroga Solomon Islands Village - 58 km
Taraoto Solomon Islands Village - 60 km
Okeoke Solomon Islands Village - 60 km
Saa Solomon Islands Village - 60 km
Maraone Solomon Islands Village - 61 km
Palasuu Solomon Islands Village - 61 km
Geigei Solomon Islands Village - 63 km
Na Wosi Solomon Islands Village - 63 km
Manewiriwiri Solomon Islands Village - 63 km
Raa Solomon Islands Village - 67 km
Narohei Solomon Islands Village - 68 km
Tawasu Solomon Islands Village - 69 km
Maniate Solomon Islands Village - 69 km
Wango Solomon Islands Village - 70 km
Wakora Solomon Islands Village - 71 km
Ahia Solomon Islands Village - 74 km
Mwarada Solomon Islands Village - 75 km
Su'utaluhia Solomon Islands Village - 77 km
Taheramo Solomon Islands Village - 83 km
Ngorangora Solomon Islands Village - 85 km
Mehale Solomon Islands Village - 61 km
Namakohigho Solomon Islands Village - 68 km
Manakia Solomon Islands Village - 73 km
Paa Solomon Islands Village - 74 km
Naparaoinawa Solomon Islands Village - 75 km
Wainaworasi Solomon Islands Village - 75 km
Namaturi Solomon Islands Village - 76 km
Ulawa I Solomon Islands Village - 76 km
Hauraha Solomon Islands Village - 76 km
Manegohere Solomon Islands Village - 78 km
Nahahau Solomon Islands Village - 78 km
Ngagatari Solomon Islands Village - 78 km
Sioduru Solomon Islands Village - 79 km
Ione Solomon Islands Village - 82 km
Narano Solomon Islands Village - 82 km
Poinagobo Solomon Islands Village - 83 km
Nakuhu Solomon Islands Village - 84 km
Napurongo Solomon Islands Village - 84 km
Makina Solomon Islands Village - 85 km
Naganea Solomon Islands Village - 86 km
Naparasusu Solomon Islands Village - 86 km
Hu'umarere Solomon Islands Village - 87 km
Alavugu Solomon Islands Village - 87 km
Nanepe Solomon Islands Village - 87 km
Naparaohau Solomon Islands Village - 88 km
Iaruraha Solomon Islands Village - 88 km
Komunihara Solomon Islands Village - 90 km
Sanggasere Solomon Islands Village - 91 km
Naana Solomon Islands Village - 92 km
Peonakake Solomon Islands Village - 92 km
Napasiwai Solomon Islands Village - 95 km
Veramakuru Solomon Islands Village - 95 km
Korai Solomon Islands Village - 96 km
Balo Solomon Islands Village - 97 km
Parom Bou Solomon Islands Village - 97 km
Na Mbulonggato Solomon Islands Village - 100 km
Maniborkosi Solomon Islands Village - 100 km
Koetungi Solomon Islands Village - 102 km
Mbalo Solomon Islands Village - 103 km
Tawarogha Solomon Islands Village - 104 km
Mwaniwowo Solomon Islands Village - 106 km
Nasuragena Solomon Islands Village - 106 km
Makaruka Solomon Islands Village - 106 km
Mwarairaru Solomon Islands Village - 107 km
O'io Solomon Islands Village - 108 km
Kuma Solomon Islands Village - 109 km
Funakumwa Solomon Islands Village - 109 km
Sitaronda Solomon Islands Village - 109 km
Hauhui Solomon Islands Village - 111 km
Takataka Solomon Islands Village - 111 km
Naho Solomon Islands Village - 112 km
Geta Solomon Islands Village - 112 km
Star Harb Solomon Islands Village - 113 km
Lumu Solomon Islands Village - 113 km
Surairo Solomon Islands Village - 115 km
Mami Solomon Islands Village - 116 km
Fageifa Solomon Islands Village - 118 km
Mbulo Solomon Islands Village - 118 km
Makana Solomon Islands Village - 120 km
Marahovi Solomon Islands Village - 121 km
Rere Solomon Islands Village - 122 km
Rua Sura Solomon Islands Village - 124 km
Seve Solomon Islands Village - 124 km
Ghupuna Solomon Islands Village - 127 km
Ragapu Solomon Islands Village - 128 km
Nafinotoga Solomon Islands Village - 129 km
Santa Ana I Solomon Islands Village - 129 km
Komunimboko Solomon Islands Village - 131 km
Abungari Solomon Islands Village - 132 km
Dinare Solomon Islands Village - 135 km
Aola Solomon Islands Village - 136 km
Gembua Solomon Islands Village - 139 km
Vanuagobu Solomon Islands Village - 139 km
Baunani Solomon Islands Village - 142 km
Manaba Solomon Islands Village - 149 km
Kakambona Solomon Islands Village - 192 km
Reko Solomon Islands Village - 218 km
Chahoga Solomon Islands Village - 223 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
Kirakira IRA 2 0 53 km
Parasi PRS unknown 0 62 km
Marau RUS unknown 0 82 km
Mbambanakira MBU unknown 0 97 km
Tarapaina TAA unknown 0 104 km
Avu Avu AVU unknown 0 122 km
Santa Ana NNB unknown 0 128 km
Savo SVY unknown 0 217 km

Ports

Intensity Name LOCODE Country Distance
Kira Kira Soloman Islands 54 km
Cape Surville Soloman Islands 120 km
Aola Bay Soloman Islands 131 km

More information

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