Earthquake with magnitude of Mwp 6.4 on date 19-03-2022 and time 22:24:19 (Italy) in region Tonga [Sea]

A magnitude Mwp 6.4 earthquake occured in region: Tonga [Sea], on

  • 19-03-2022 21:24:19 (UTC)
  • 19-03-2022 22:24:19 (UTC +01:00) Italian time
  • 20-03-2022 10:24:19 (UTC +13:00) local time in the region of the earthquake (Pacific/Tongatapu)

and geographic coordinates (lat, lon) -25.3970, -176.0050 at 3 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

Municipalities within 20 km from the epicenter

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

No Italian municipalities within 100 km from the epicenter with at least 50000 inhabitants.

Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Reviewed
Rev100
mb 5.5
Mwp 6.4

Mwpd 6.4
2022-03-19
21:24:19
-25.3969 -176.005 3 2022-03-19
21:49:48
Sala Sismica INGV-Roma 102165131
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-03-19 21:24:19
Latitude -25.3969
Longitude -176.0050
Depth (km) 3 (from location)
Evaluation mode of Origin automatic
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV-A
Event type earthquake
Origin ID 102165131

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 20743
Semi-minor axis of confidence ellipse (meter) 14278
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 88
Circular confidence region, given by single value of horizontal uncertainty (meter) 16819.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 58.9003
Number of associated phases, regardless of their use for origin computation 73
Number of defining phases 73
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 2.61803
Epicentral distance of station closest to the epicenter (degree) 9.43468
Epicentral distance of station farthest from the epicenter (degree) 84.78866
Number of stations at which the event was observed 59
Number of stations from which data was used for origin computation 59
Magnitudes information

Mwp:6.4

Field Value
Value 6.4
Uncertainty 0.1
Num. used stations 20
Type of magnitude Mwp
Reference to an origin 102165131
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2022-03-19 21:49:48

Mwpd:6.4

Field Value
Value 6.4
Uncertainty 0.1
Num. used stations 20
Type of magnitude Mwpd
Reference to an origin 102165131
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2022-03-19 21:49:48

mb:5.5

Field Value
Value 5.5
Uncertainty 0.2
Num. used stations 34
Type of magnitude mb
Reference to an origin 102165131
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2022-03-19 21:49:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IU.TUC.BHZ.00 2022-03-19T21:36:56.45 10.0 negative automatic P 50 84.7887 3.01158 0.130304
US.TPNV.BHZ.00 2022-03-19T21:36:51.93 10.0 positive automatic PcP 44 83.9212 -1.22507 0
GE.BKNI.BHZ. 2022-03-19T21:36:47.57 10.0 positive automatic P 273 83.7763 -0.573859 0
GE.SNAA.BHZ. 2022-03-19T21:36:46.71 10.0 positive automatic PcP 178 82.8123 -1.43904 0
G.COYC.BHZ.00 2022-03-19T21:36:39.70 10.0 positive automatic PcP 137 81.1304 -0.979759 0
IU.INCN.BHZ.00 2022-03-19T21:36:43.47 10.0 positive automatic P 318 82.7812 0.461534 0.140246
IU.PET.BHZ.00 2022-03-19T21:36:35.52 10.0 positive automatic P 345 81.4603 -0.568904 0
IU.YSS.BHZ.00 2022-03-19T21:36:35.55 10.0 positive automatic P 333 81.3572 0.00285123 0.159042
GE.MNAI.BHZ. 2022-03-19T21:36:28.92 10.0 positive automatic P 270 80.0397 0.428023 0
IU.TATO.BHZ.00 2022-03-19T21:36:19.37 10.0 positive automatic P 305 78.6305 -1.43236 0.0964455
AT.SMY.BHZ. 2022-03-19T21:36:17.30 10.0 positive automatic P 354 78.5999 -3.31424 0.146685
AK.ATKA.BHZ. 2022-03-19T21:36:14.89 10.0 positive automatic P 1 77.6112 -0.237381 0.192786
JP.JTM.BHZ. 2022-03-19T21:36:13.60 10.0 negative automatic P 328 77.2529 0.46809 0
IU.ADK.BHZ.00 2022-03-19T21:36:12.80 10.0 positive automatic P 360 77.2781 -0.480226 0.199246
JP.JSU.BHZ. 2022-03-19T21:36:08.50 10.0 positive automatic P 315 76.4933 -0.398031 0.135404
JP.JMN.BHZ. 2022-03-19T21:36:05.80 10.0 positive automatic P 319 75.9001 0.24954 0
AU.XMI.BHZ. 2022-03-19T21:36:04.25 10.0 positive automatic P 265 75.0547 3.59668 0.204981
IU.MAJO.BHZ.00 2022-03-19T21:36:02.52 10.0 positive automatic P 323 75.4802 -0.603595 0.220028
G.INU.BHZ.00 2022-03-19T21:36:01.16 10.0 positive automatic P 322 75.2420 -0.544374 0.179734
JP.JGF.BHZ. 2022-03-19T21:36:01.55 10.0 positive automatic P 322 75.2476 -0.265355 0.222468
JP.JOW.BHZ. 2022-03-19T21:35:59.85 10.0 negative automatic P 310 74.9051 0.0749801 0.220829
GE.JAGI.BHZ. 2022-03-19T21:35:18.12 10.0 positive automatic P 271 68.2154 -1.31752 0.139666
II.KAPI.BHZ.00 2022-03-19T21:34:55.27 10.0 positive automatic P 277 64.6224 -1.17993 0.276017
GE.LUWI.BHZ. 2022-03-19T21:34:49.77 10.0 positive automatic P 282 63.7273 -0.751185 0
AU.GIRL.BHZ.00 2022-03-19T21:34:47.38 10.0 positive automatic P 256 63.0266 1.4744 0.170599
IU.CASY.BHZ.00 2022-03-19T21:34:29.52 10.0 positive automatic P 206 60.2543 2.33782 0.408186
GE.TNTI.BHZ. 2022-03-19T21:34:27.82 10.0 positive automatic P 287 60.5853 -1.62956 0.3941
GE.SANI.BHZ. 2022-03-19T21:34:26.57 10.0 positive automatic P 283 60.4167 -1.72298 0.405875
AU.MORW.BHZ. 2022-03-19T21:34:23.67 10.0 negative automatic P 250 59.6839 0.362918 0.426512
IU.MBWA.BHZ.00 2022-03-19T21:34:15.32 10.0 positive automatic P 260 58.6230 -0.619884 0.199278
GE.SOEI.BHZ. 2022-03-19T21:34:15.17 10.0 positive automatic P 274 58.5661 -0.520692 0.378527
GE.BNDI.BHZ. 2022-03-19T21:33:53.62 10.0 positive automatic P 283 55.8038 -2.35286 0.306329
AU.FITZ.BHZ. 2022-03-19T21:33:47.35 10.0 positive automatic P 265 54.2836 2.35007 0.49186
GE.FAKI.BHZ. 2022-03-19T21:33:44.17 10.0 positive automatic P 286 54.5169 -2.53043 0.423473
GT.VNDA.BHZ.00 2022-03-19T21:33:41.50 10.0 positive automatic P 186 53.1561 4.76046 0.470782
AU.MTN.BHZ.00 2022-03-19T21:33:20.48 10.0 positive automatic P 274 51.1628 -1.4363 0.568339
AU.KDU.BHZ.00 2022-03-19T21:33:11.45 10.0 positive automatic P 275 50.0157 -1.78442 0.400341
AU.WRKA.BHZ.00 2022-03-19T21:33:11.60 10.0 negative automatic P 258 50.0005 -1.61822 0.567405
AU.FORT.BHZ.00 2022-03-19T21:33:06.05 10.0 positive automatic P 250 49.1395 -0.520887 0.596158
GE.GENI.BHZ. 2022-03-19T21:32:55.52 10.0 positive automatic P 291 47.8965 -1.45304 0.550848
II.WRAB.BHZ.00 2022-03-19T21:32:39.55 10.0 negative automatic P 266 45.8725 -1.65307 0.654471
AU.HTT.BHZ. 2022-03-19T21:31:51.80 10.0 positive automatic P 247 39.7617 0.113819 0.770843
AU.QLP.BHZ. 2022-03-19T21:31:15.97 10.0 positive automatic P 259 35.6130 -0.522456 0.687574
II.TAU.BHZ.00 2022-03-19T21:31:11.27 10.0 positive automatic P 230 34.6455 3.12639 0.854749
IU.CTAO.BHZ.00 2022-03-19T21:31:11.57 10.0 positive automatic P 271 35.0918 -0.4645 0.542198
AU.TOO.BHZ.00 2022-03-19T21:31:09.88 10.0 positive automatic P 240 34.7308 0.913666 0.796126
AU.MILA.BHZ.00 2022-03-19T21:30:44.28 10.0 positive automatic P 240 31.7712 1.10684 0.561056
G.CAN.BHZ.00 2022-03-19T21:30:42.60 10.0 positive automatic P 243 31.5959 0.988199 0.424061
AU.EIDS.BHZ. 2022-03-19T21:30:24.22 10.0 positive automatic P 263 29.6575 -0.186837 0.43956
AU.ARMA.BHZ. 2022-03-19T21:30:19.87 10.0 positive automatic P 253 28.9370 1.70111 0.43956
G.PPTF.BHZ.00 2022-03-19T21:29:55.40 10.0 negative automatic pP 78 25.7539 5.87414 0.909091
IU.AFI.BHZ.00 2022-03-19T21:29:17.00 10.0 positive automatic S 20 12.1544 -8.75732 0
NZ.ODZ.HHZ.10 2022-03-19T21:29:15.76 10.0 negative automatic P 205 22.4010 -1.44224 0.980392
G.SANVU.BHZ.00 2022-03-19T21:28:36.55 10.0 positive automatic P 299 18.5876 0.74236 0.851064
NZ.KHZ.HHZ.10 2022-03-19T21:28:35.32 10.0 positive automatic P 204 19.0670 -5.75919 0.985222
IU.SNZO.BHZ.00 2022-03-19T21:28:24.75 10.0 positive automatic P 204 17.6763 -0.062119 0.963855
IU.FUNA.BHZ.00 2022-03-19T21:28:22.30 10.0 positive automatic P 344 17.4777 -0.0266884 0.909091
IU.RAR.BHZ.00 2022-03-19T21:27:55.87 10.0 positive automatic P 78 15.4703 -0.836836 0.952381
IU.AFI.BHZ.00 2022-03-19T21:27:07.82 10.0 negative automatic P 20 12.1544 -3.93382 0.879121
II.MSVF.BHZ.00 2022-03-19T21:26:37.82 10.0 positive automatic P 323 9.4347 3.28866 0.909091
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download