M 7.5 in Tonga Islands Region from 11 Nov 2022 10:48 UTC to 10:48

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: 7.5M
Depth: 46 Km
Event Date: 11 Nov 2022 10:48 UTC
10 Nov 2022 23:48 Local
Exposed Population: 20 thousand in MMI V
Source: GEOFON gfz2022wcnj
Inserted at: 11 Nov 2022 11:00 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
GEOFON 0 0.2 0.2
gfz2022wcnj Scaled population (vector) 0 Max wave alert 0.2m  
  C1 rapid impact 0 Max wave realtime 0.2m  
  C2 rapid impact 0      
  Country Vulnerability 0      
  INFORM_normalised 0      
Maximum expected impact using different data sources.
Click on image to zoom it.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1472551 0.2 11 Nov 2022 10:48 7.5M, 46km N/A 20 thousand (in 100km) 0.2m (at 01:10) 00:11 GEOFON
1472552 0.3 11 Nov 2022 10:48 7.5M, 33km 4.53 20 thousand (in 100km) 0.4m (at 00:22) 00:12 PTWC
1472553 0.2 11 Nov 2022 10:48 7.5M, 33km 4.5 20 thousand (in 100km) 0.1m (at 00:00) 00:17 NTWC
1472555 0.4 11 Nov 2022 10:48 7.1M, 10km 4.19 N/A (in MMI>=VII) 0.4m (at 00:22) 00:20 NEIC
1472561 0.1 11 Nov 2022 10:48 7.3M, 24.797km 4.22 N/A (in MMI>=VII) 0.2m (at 00:22) 00:38 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  0.2m in Aoa, American Samoa. This height is estimated for 11-Nov-2022 11:58:17.

Alert Date (UTC) Name Country Wave height (m)
11-Nov-2022 11:58:17 Aoa American Samoa  0.2
11-Nov-2022 11:58:17 Onenoa American Samoa  0.2
11-Nov-2022 11:58:17 Alao American Samoa  0.2
11-Nov-2022 11:58:17 Tula American Samoa  0.2
11-Nov-2022 11:58:17 Aunuu American Samoa  0.2
11-Nov-2022 11:11:39 Alofi Niue  0.2
11-Nov-2022 11:11:39 Niue Niue  0.2
11-Nov-2022 11:15:94 Neiafu Tonga  0.2
11-Nov-2022 11:43:55 Vaitogi American Samoa  0.2
11-Nov-2022 11:43:55 Mesepa American Samoa  0.2
11-Nov-2022 11:43:55 Faleniu American Samoa  0.2
11-Nov-2022 11:43:55 Fagasa American Samoa  0.2
11-Nov-2022 11:43:55 Pago Pago American Samoa  0.2
11-Nov-2022 11:43:55 Siufaga American Samoa  0.2
11-Nov-2022 11:43:55 Nuuuli American Samoa  0.2
11-Nov-2022 11:43:55 Fagatogo American Samoa  0.2
11-Nov-2022 11:43:55 Atuu American Samoa  0.2
11-Nov-2022 11:43:55 Utulei American Samoa  0.2
11-Nov-2022 11:43:55 Matuu American Samoa  0.2
11-Nov-2022 11:43:55 Fagaalu American Samoa  0.2
11-Nov-2022 11:43:55 Leloaloa American Samoa  0.2
11-Nov-2022 11:43:55 Aua American Samoa  0.2
11-Nov-2022 11:43:55 Lauliifou American Samoa  0.2
11-Nov-2022 11:43:55 Afono American Samoa  0.2
11-Nov-2022 11:43:55 Masefau American Samoa  0.2
11-Nov-2022 11:43:55 Auto American Samoa  0.2
11-Nov-2022 11:43:55 Alofau American Samoa  0.2
11-Nov-2022 11:43:55 Pago Pago Samoa  0.2
11-Nov-2022 11:43:55 Pago_Pago_AS USA  0.2
11-Nov-2022 12:41:63 Poloa American Samoa  0.1
11-Nov-2022 12:41:63 Amanave American Samoa  0.1
11-Nov-2022 12:41:63 Seetaga American Samoa  0.1
11-Nov-2022 12:41:63 Fagamalo American Samoa  0.1
11-Nov-2022 12:41:63 Amaluia American Samoa  0.1
11-Nov-2022 11:04:08 Avatele Niue  0.1
11-Nov-2022 11:04:08 Hakupu Niue  0.1
11-Nov-2022 11:22:64 Mua Tonga  0.1
11-Nov-2022 11:22:64 Fatumu Tonga  0.1
11-Nov-2022 12:43:92 Samatau Samoa  0.1
11-Nov-2022 12:43:92 Faleaseela Samoa  0.1
11-Nov-2022 11:07:33 Liku Niue  0.1
11-Nov-2022 11:21:95 Kolonga Tonga  0.1
11-Nov-2022 11:21:95 Niutoua Tonga  0.1
11-Nov-2022 12:10:88 Ongea Fiji  0.1
11-Nov-2022 12:24:97 Alo Wallis and Futuna  0.1
11-Nov-2022 12:24:97 Mua Wallis and Futuna  0.1
11-Nov-2022 11:05:44 Mutalau Niue  0.1
11-Nov-2022 11:08:26 Lakepa Niue  0.1
11-Nov-2022 11:39:28 Ohonua Tonga  0.1
11-Nov-2022 11:52:65 Fuaamotu Tonga  0.1
11-Nov-2022 12:17:92 Leone American Samoa  0.1
11-Nov-2022 12:17:92 Vailoatai American Samoa  0.1
11-Nov-2022 12:17:92 Taputimu American Samoa  0.1
11-Nov-2022 12:17:92 Futiga American Samoa  0.1
11-Nov-2022 12:17:92 Pavaiai American Samoa  0.1
11-Nov-2022 12:17:92 Iliili American Samoa  0.1
11-Nov-2022 11:43:18 Fagaitua American Samoa  0.1
11-Nov-2022 11:43:18 Amouli American Samoa  0.1
11-Nov-2022 11:50:26 Esia Fiji  0.1
11-Nov-2022 12:58:31 Thikombia Fiji  0.1
11-Nov-2022 12:49:64 Mua Wallis and Futuna  0.1
11-Nov-2022 12:08:66 Hihifo Tonga  0.1
11-Nov-2022 12:08:66 Falehau Tonga  0.1
11-Nov-2022 12:29:34 Siumu Samoa  0.1
11-Nov-2022 12:35:25 Aasu American Samoa  0.1
11-Nov-2022 12:45:16 Fuailalo Samoa  0.1
11-Nov-2022 12:24:87 Leava Wallis and Futuna  0.1
11-Nov-2022 12:24:87 Leava (Futuna Island- Wallis and Futuna) France  0.1

See full locations list (RSS)


Initial conditions

Title: ""M7.5 Tonga Islands Region""

Fault parameters

  • Latitude: -19.27
  • Longitude: -172.25
  • Length: 89 km
  • Width: 24 km
  • Magnitude: 7.5 M

Okada parameters:

  • Slip: 2.3 m
  • Strike: 193 (geogr angle: north=0, south=180)
  • Dip: 19 degree
  • Rake: 90 degree
  • Depth: 46 km

Calculation parameters

  • Calculation space (lon/lat): -179.75, -26.77, -164.75, -11.77
  • Instead of Step -> use Cell size:1.25 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.