M 7.2 in Northern Molucca Sea from 18 Jan 2023 06:06 UTC to 06:06

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: 7.2M
Depth: 60.4 Km
Event Date: 18 Jan 2023 06:06 UTC
18 Jan 2023 15:06 Local
Exposed Population: 180 thousand in MMI VI
Source: PTWC pt23018001
Inserted at: 18 Jan 2023 06:13 UTC
INFORM Coping capacity of the alert score:
1.1 ()

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Rapid Impact)
Tsunami GDACS score
PTWC 0 0.2 0.2
pt23018001 Scaled population (vector) 1.34 Max wave alert 0.28m  
  C1 rapid impact -1.73 Max wave realtime 0.28m  
  C2 rapid impact 0.79      
  Country Vulnerability 0      
  INFORM_normalised 0.96      
Maximum expected impact using different data sources.
Click on image to zoom it.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1484133 0.2 18 Jan 2023 06:06 7.2M, 60.4km 6.38 180 thousand (in 100km) 0.3m (at 00:37) 00:07 PTWC
1484134 0.2 18 Jan 2023 06:06 7.2M, 60km N/A 180 thousand (in 100km) 0.2m (at 00:39) 00:11 NTWC
1484139 0.1 18 Jan 2023 06:06 7M, 47.994km 5.72 N/A (in MMI>=VII) 0.1m (at 00:35) 00:24 NEIC
1484262 0.2 18 Jan 2023 06:06 7M, 28.566km 5.38 N/A (in MMI>=VII) 0.2m (at 00:37) 12:08 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.

Tsunami affected locations

The maximum Wave height is  0.3m in Sopi, Indonesia. This height is estimated for 18-Jan-2023 06:43:84.

Alert Date (UTC) Name Country Wave height (m)
18-Jan-2023 06:43:84 Sopi Indonesia  0.3
18-Jan-2023 07:02:12 Doitia Indonesia  0.1
18-Jan-2023 06:54:34 Rinondoran Indonesia  0.1
18-Jan-2023 06:52:64 Tahulandang Indonesia  0.1
18-Jan-2023 06:52:64 Haas Indonesia  0.1
18-Jan-2023 07:29:85 Ngalipaeng Indonesia  0.1
18-Jan-2023 08:02:54 Talapao Indonesia  0.1
18-Jan-2023 08:52:94 Mahuneni Indonesia  0.1
18-Jan-2023 07:25:85 Rototok Indonesia  0.1
18-Jan-2023 08:06:06 Kutabunan Indonesia  0.1
18-Jan-2023 08:18:56 Malang Philippines  0.1
18-Jan-2023 08:18:56 Kulagsing Philippines  0.1
18-Jan-2023 08:52:94 Ulu Indonesia  0.1
18-Jan-2023 06:55:57 Marinsow Indonesia  0.1
18-Jan-2023 07:36:34 Watoelinei Indonesia  0.1
18-Jan-2023 06:57:93 Dowongigila Indonesia  0.1
18-Jan-2023 06:23:95 Tjiu Indonesia  0.1
18-Jan-2023 07:05:06 Wayabula Indonesia  0.1
18-Jan-2023 07:51:69 Bitung Indonesia  0.1
18-Jan-2023 07:51:69 Bitung Indonesia  0.1
18-Jan-2023 07:51:07 Tandjungmerah Indonesia  0.1
18-Jan-2023 06:53:64 Bentenah Indonesia  0.1
18-Jan-2023 06:19:93 Asimiro Indonesia  0.1
18-Jan-2023 06:54:34 Susupu Indonesia  0.1
18-Jan-2023 06:57:34 Enemawira Indonesia  0.1
18-Jan-2023 07:08:66 Jailolo Indonesia  0.1
18-Jan-2023 06:21:99 Posiposi Indonesia  0.1
18-Jan-2023 06:20:65 Libano Indonesia  0.1
18-Jan-2023 06:21:65 Hapo Indonesia  0.1
18-Jan-2023 06:25:51 Tahafo Indonesia  0.1
18-Jan-2023 07:37:57 Katingan Philippines  0.1
18-Jan-2023 07:37:57 Ibran Philippines  0.1
18-Jan-2023 07:37:57 Tumanao Philippines  0.1
18-Jan-2023 09:20:41 Dojinga Indonesia  0.1
18-Jan-2023 08:43:79 Buli-besar Indonesia  0.1
18-Jan-2023 08:41:04 Baru Indonesia  0.1
18-Jan-2023 07:33:76 Nuangan Indonesia  0.1
18-Jan-2023 08:08:21 Hiju Philippines  0.1
18-Jan-2023 08:08:21 Maco Philippines  0.1
18-Jan-2023 07:20:77 Tikong Indonesia  0.1

See full locations list (RSS)


Initial conditions

Title: ""Molucca Sea""

Fault parameters

  • Latitude: 2.765
  • Longitude: 127.073
  • Length: 63 km
  • Width: 17 km
  • Magnitude: 7.2 M

Okada parameters:

  • Slip: 1.7 m
  • Strike: 151 (geogr angle: north=0, south=180)
  • Dip: 46 degree
  • Rake: 90 degree
  • Depth: 60 km

Calculation parameters

  • Calculation space (lon/lat): 121.073, -3.235, 133.073, 8.765
  • Instead of Step -> use Cell size:1 minutes

Sea Level

More information

  • Timeline:
    Tsunami calculations performed to this case, click here

  • Montecarlo:
    Tsunami Montecarlo simulation performed to this case, click here

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