M 7.3 in Tonga Islands Region on 11 Nov 2022 10:48 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: 7.3M
Depth: 24.797 Km
Event Date: 11 Nov 2022 10:48 UTC
10 Nov 2022 23:48 Local
Exposed Population:
Source: NEIC us7000ip0l
Inserted at: 11 Nov 2022 11:27 UTC
INFORM Coping capacity of the alert score:
1.1 ()
Maximun Wave Height observed: 0.12 m

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)		 Tsunami GDACS score
NEIC 0 0.1 0.1
us7000ip0l Scaled population (raster) 0 Max wave alert 0.19m  
  C1 shakemap -0.59 Max wave realtime 0.19m  
  C2 shakemap 0.53      
  Country Vulnerability 0      
  INFORM_normalised 1      
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.

Estimated Tsunami affected locations

The maximum observed wave height is 0.12m in Pago Pago As;
The maximum Wave height is  0.2m in Alofi, Niue. This height is estimated for 11-Nov-2022 11:10:05.

Alert Date (UTC) Name Country Wave height (m)
11-Nov-2022 11:10:05 Alofi Niue  0.2
11-Nov-2022 11:10:05 Niue Niue  0.2
11-Nov-2022 11:08:59 Avatele Niue  0.2
11-Nov-2022 11:08:59 Hakupu Niue  0.2
11-Nov-2022 11:44:55 Pago Pago American Samoa  0.1
11-Nov-2022 11:44:55 Nuuuli American Samoa  0.1
11-Nov-2022 11:44:55 Fagatogo American Samoa  0.1
11-Nov-2022 11:44:55 Atuu American Samoa  0.1
11-Nov-2022 11:44:55 Utulei American Samoa  0.1
11-Nov-2022 11:44:55 Matuu American Samoa  0.1
11-Nov-2022 11:44:55 Fagaalu American Samoa  0.1
11-Nov-2022 11:44:55 Leloaloa American Samoa  0.1
11-Nov-2022 11:44:55 Aua American Samoa  0.1
11-Nov-2022 11:44:55 Lauliifou American Samoa  0.1
11-Nov-2022 11:44:55 Afono American Samoa  0.1
11-Nov-2022 11:44:55 Masefau American Samoa  0.1
11-Nov-2022 11:44:55 Auto American Samoa  0.1
11-Nov-2022 11:44:55 Alofau American Samoa  0.1
11-Nov-2022 11:44:55 Pago Pago Samoa  0.1
11-Nov-2022 11:44:55 Pago_Pago_AS USA  0.1
11-Nov-2022 11:11:78 Liku Niue  0.1
11-Nov-2022 12:00:82 Fagaitua American Samoa  0.1
11-Nov-2022 11:17:26 Lakepa Niue  0.1
11-Nov-2022 11:57:32 Ohonua Tonga  0.1
11-Nov-2022 11:42:52 Poloa American Samoa  0.1
11-Nov-2022 11:42:52 Amanave American Samoa  0.1
11-Nov-2022 11:42:52 Seetaga American Samoa  0.1
11-Nov-2022 11:42:52 Amaluia American Samoa  0.1
11-Nov-2022 11:42:52 Leone American Samoa  0.1
11-Nov-2022 11:42:52 Futiga American Samoa  0.1
11-Nov-2022 11:42:52 Iliili American Samoa  0.1
11-Nov-2022 11:55:96 Amouli American Samoa  0.1
11-Nov-2022 12:19:28 Samatau Samoa  0.1
11-Nov-2022 11:54:24 Vailoatai American Samoa  0.1
11-Nov-2022 11:54:24 Taputimu American Samoa  0.1
11-Nov-2022 11:41:74 Fatumu Tonga  0.1
11-Nov-2022 11:45:16 Pavaiai American Samoa  0.1
11-Nov-2022 11:45:16 Vaitogi American Samoa  0.1
11-Nov-2022 11:45:16 Mesepa American Samoa  0.1
11-Nov-2022 11:45:16 Faleniu American Samoa  0.1
11-Nov-2022 12:10:04 Satupaitea Samoa  0.1
11-Nov-2022 11:44:55 Onenoa American Samoa  0.1
11-Nov-2022 11:44:55 Tula American Samoa  0.1
11-Nov-2022 11:57:32 Hihifo Tonga  0.1
11-Nov-2022 12:41:85 Fagamalo American Samoa  0.1
11-Nov-2022 11:05:57 Mutalau Niue  0.1
11-Nov-2022 11:59:15 Matautu Samoa  0.1
11-Nov-2022 11:59:15 Siumu Samoa  0.1
11-Nov-2022 13:25:73 Aoa American Samoa  0.1
11-Nov-2022 13:25:73 Alao American Samoa  0.1
11-Nov-2022 11:49:48 Lalomoana American Samoa  0.1
11-Nov-2022 11:49:48 Olosega American Samoa  0.1
11-Nov-2022 11:51:66 Esia Fiji  0.1
11-Nov-2022 11:33:27 Aunuu American Samoa  0.1
11-Nov-2022 11:45:94 Leusoalii American Samoa  0.1
11-Nov-2022 13:14:16 Aasu American Samoa  0.1
11-Nov-2022 13:38:54 Siufaga American Samoa  0.1
11-Nov-2022 12:35:71 Tuasivi Samoa  0.1
11-Nov-2022 12:49:94 Mua Wallis and Futuna  0.1

See full locations list (RSS)


Initial conditions

Title: ""M 7.3, 211 km ESE of Neiafu, Tonga""

Fault parameters

  • Latitude: -19.318
  • Longitude: -172.1
  • Length: 70 km
  • Width: 19 km
  • Magnitude: 7.3 M

Okada parameters:

  • Slip: 1.9 m
  • Strike: 193 (geogr angle: north=0, south=180)
  • Dip: 19 degree
  • Rake: 90 degree
  • Depth: 25 km

Calculation parameters

  • Calculation space (lon/lat): -178.1, -25.318, -166.1, -13.318
  • 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.