Istituto Nazionale di Geofisica e Vulcanologia

Terremoto di magnitudo Mwp 6.3 del 05-09-2021 ore 17:51:45 (UTC) in zona: Tonga Islands [Sea: Tonga]

Un terremoto di magnitudo Mwp 6.3 è avvenuto nella zona: Tonga Islands [Sea: Tonga], il

  • 05-09-2021 17:51:45 (UTC)
  • 05-09-2021 19:51:45 (UTC +02:00) ora italiana
  • 06-09-2021 06:51:45 (UTC +13:00) orario locale nella zona del terremoto (Pacific/Tongatapu)

con coordinate geografiche (lat, lon) -21.8670, -174.3600 ad una profondità di 17 km.

Il terremoto è stato localizzato da: Sala Sismica INGV-Roma.

Ricerca terremoti: Qualsiasi nel raggio di 30 km

I valori delle coordinate ipocentrali e della magnitudo rappresentano la migliore stima con i dati a disposizione. Eventuali nuovi dati o analisi potrebbero far variare tali stime.

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Compila il questionario.

Visualizza la localizzazione con

Comuni entro 20 km dall'epicentro

Nessun comune italiano entro 20 km dall'epicentro.

Città più vicine con almeno 50000 abitanti

Nessun comune italiano entro 100 km dall'epicentro con almeno 50000 abitanti.

Sismicità recente e storica
Pericolosità sismica
Mappe di scuotimento
Mappa del risentimento sismico
Cronologia delle localizzazioni calcolate
Tipo Magnitudo Tempo origine (UTC) Latitudine Longitudine Profondità (km) Ora pubblicazione (UTC) Autore ID Localizzazione
Rivista
Rev100 		mb 5.5
Mwp 6.3
Mwpd 6.4 		2021-09-05
17:51:45		 -21.8672 -174.36 17 2021-09-05
18:06:57		 Sala Sismica INGV-Roma 95081571
Localizzazione e magnitudo preferite finora.
Parametri della localizzazione preferita

Localizzazione

Campo Valore
Tempo (UTC) 2021-09-05 17:51:45
Latitudine -21.8672
Longitudine -174.3600
Profondità (km) 17 (from location)
Metodo di valutazione automatic
Stato della valutazione reviewed
Versione 100 -> SURVEY-INGV-A
Tipo di evento earthquake
ID localizzazione 95081571

Incertezze

Campo Valore
Tipo di incertezza uncertainty ellipse
Semi-asse maggiore dell'ellisse di confidenza (metri) 17012
Semi-asse minore dell'ellisse di confidenza (metri) 13263
azimuth dell’asse maggiore dell’ellisse di confidenza (gradi) 327
Regione di confidenza sul piano orizzontale espressa mediante singolo valore di incertezza (metri) 13738.5
Livello di confidenza dell'incertezza (%) 68

Qualità

Campo Valore
Maggiore gap azimutale nella distribuzione delle stazioni all'epicentro 40.9391
Numero di fasi associato indipendentemente se utilizzate nella localizzazione (determinazione dell'Origin) 119
Numero di fasi 119
Scarto quadratico medio dei residui di tempo risultanti dal calcolo del tempo origine (Origin) della localizzazione (sec) 1.91834
Distanza epicentrale della stazione piu' vicina (gradi) 8.24071
Distanza epicentrale della stazione piu’ lontana (gradi) 91.48637
Numero di stazioni in cui l’evento e’ stato osservato 100
Numero di stazioni usate nel calcolo dell'Origin 100
Parametri delle magnitudo

Mwp:6.3

Campo Valore
Valore 6.3
Incertezza 0.1
Num. stazioni usate 29
Tipo di magnitudo Mwp
Localizzazione di riferimento 95081571
Agenzia INGV
Autore early-est_ee1.1.9
Tempo di creazione (UTC) 2021-09-05 18:06:57

Mwpd:6.4

Campo Valore
Valore 6.4
Incertezza 0.1
Num. stazioni usate 27
Tipo di magnitudo Mwpd
Localizzazione di riferimento 95081571
Agenzia INGV
Autore early-est_ee1.1.9
Tempo di creazione (UTC) 2021-09-05 18:06:57

mb:5.5

Campo Valore
Valore 5.5
Incertezza 0.1
Num. stazioni usate 43
Tipo di magnitudo mb
Localizzazione di riferimento 95081571
Agenzia INGV
Autore early-est_ee1.1.9
Tempo di creazione (UTC) 2021-09-05 18:06:57
Tempi di arrivo
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IU.HKT.BHZ.00 2021-09-05T18:04:53.75 10.0 negative automatic pP 58 91.4864 -1.51909 0
IU.COLA.BHZ.00 2021-09-05T18:04:52.57 10.0 positive automatic sP 11 89.1105 7.43223 0
GE.LHMI.BHZ. 2021-09-05T18:04:48.37 10.0 positive automatic P 275 90.7331 2.28291 0.0814711
US.EGMT.BHZ.00 2021-09-05T18:04:47.43 10.0 positive automatic PcP 37 90.6093 0.641203 0
G.PEL.BHZ.00 2021-09-05T18:04:45.75 10.0 positive automatic sP 126 88.8616 1.63806 0
G.PEL.BHZ.00 2021-09-05T18:04:41.05 10.0 positive automatic P 126 88.8616 3.58983 0.0932555
US.AMTX.BHZ.00 2021-09-05T18:04:41.65 10.0 positive automatic PcP 52 89.2143 1.0509 0
US.ISCO.BHZ.00 2021-09-05T18:04:40.63 10.0 negative automatic PcP 46 88.8471 1.35072 0
US.LKWY.BHZ.00 2021-09-05T18:04:38.55 10.0 positive automatic PcP 40 88.3398 1.5735 0
IU.COLA.BHZ.00 2021-09-05T18:04:38.70 10.0 positive automatic P 11 89.1105 0.150706 0.10158
US.BOZ.BHZ.00 2021-09-05T18:04:35.78 10.0 positive automatic P 38 88.1951 1.30489 0.091666
US.SDCO.BHZ.00 2021-09-05T18:04:36.25 10.0 negative automatic PcP 48 87.8943 1.21493 0
US.BW06.BHZ.00 2021-09-05T18:04:33.60 10.0 positive automatic P 42 87.8661 0.585675 0.0927875
IU.ANMO.BHZ.00 2021-09-05T18:04:33.10 10.0 negative automatic sP 50 85.8199 3.35432 0
US.MSO.BHZ.00 2021-09-05T18:04:31.98 10.0 positive automatic P 37 87.6002 0.395257 0
US.AHID.BHZ.00 2021-09-05T18:04:30.23 10.0 positive automatic PcP 41 86.9200 -0.401066 0
US.NEW.BHZ.00 2021-09-05T18:04:28.38 10.0 positive automatic P 34 86.7632 0.942813 0.104022
GE.SNAA.BHZ. 2021-09-05T18:04:26.76 10.0 positive automatic P 177 86.2752 1.70572 0.118584
GT.PLCA.BHZ.00 2021-09-05T18:04:26.98 10.0 positive automatic pP 132 85.6842 -0.913015 0
US.HWUT.BHZ.00 2021-09-05T18:04:25.00 10.0 positive automatic P 42 85.9862 1.20479 0.109345
GT.PLCA.BHZ.00 2021-09-05T18:04:26.90 10.0 positive automatic P 132 85.6842 4.73481 0.123113
US.WRAK.BHZ.00 2021-09-05T18:04:25.18 10.0 positive automatic P 22 85.9193 2.01333 0.0573182
US.MVCO.BHZ.00 2021-09-05T18:04:24.05 10.0 positive automatic P 47 85.5772 2.22071 0.0969002
IU.ANMO.BHZ.00 2021-09-05T18:04:25.27 10.0 positive automatic P 50 85.8199 2.29858 0.114105
US.HLID.BHZ.00 2021-09-05T18:04:22.68 10.0 positive automatic P 39 85.4010 1.79553 0.106703
CN.BBB.BHZ. 2021-09-05T18:04:18.13 10.0 positive automatic P 26 84.2996 3.0859 0.138902
US.BMO.BHZ.00 2021-09-05T18:04:17.73 10.0 positive automatic P 37 84.5379 1.28314 0.13214
US.DUG.BHZ.00 2021-09-05T18:04:17.45 10.0 positive automatic P 42 84.4086 1.60959 0.121845
US.HAWA.BHZ.00 2021-09-05T18:04:16.85 10.0 positive automatic P 35 84.3128 1.68363 0.129435
G.COYC.BHZ.00 2021-09-05T18:04:11.80 10.0 positive automatic P 136 82.6519 5.19986 0.141124
US.ELK.BHZ.00 2021-09-05T18:04:11.63 10.0 positive automatic P 41 83.2336 1.66916 0.136453
US.NLWA.BHZ.00 2021-09-05T18:04:10.08 10.0 positive automatic P 32 82.7820 2.72856 0.120062
US.WUAZ.BHZ.00 2021-09-05T18:04:09.73 10.0 positive automatic P 47 82.7159 2.55782 0.140606
RM.DLV.BHZ. 2021-09-05T18:04:09.27 10.0 positive automatic P 286 82.8355 1.54781 0.142814
US.WVOR.BHZ.00 2021-09-05T18:04:06.50 10.0 positive automatic P 38 82.2695 1.69899 0.144236
II.KDAK.BHZ.00 2021-09-05T18:04:02.22 10.0 positive automatic P 12 81.6965 0.634989 0.152349
IU.COR.BHZ.00 2021-09-05T18:04:01.25 10.0 positive automatic P 34 81.1372 2.6311 0.13046
US.TPNV.BHZ.00 2021-09-05T18:03:56.70 10.0 positive automatic P 43 80.3289 2.15705 0.174098
IU.YSS.BHZ.00 2021-09-05T18:03:47.35 10.0 positive automatic P 332 78.9303 0.658715 0.176789
BK.CMB.BHZ.00 2021-09-05T18:03:45.90 10.0 positive automatic P 41 78.4335 1.84139 0.183456
II.PFO.BHZ.00 2021-09-05T18:03:44.87 10.0 positive automatic P 46 78.1966 2.0281 0.140477
IU.PET.BHZ.00 2021-09-05T18:03:43.52 10.0 positive automatic P 344 78.4674 -0.618717 0.181057
MX.SRIG.BHZ. 2021-09-05T18:03:42.74 10.0 positive automatic pP 54 77.6019 -2.24865 0
MX.SRIG.BHZ. 2021-09-05T18:03:42.34 10.0 positive automatic P 54 77.6019 3.01725 0.180948
IU.TATO.BHZ.00 2021-09-05T18:03:40.87 10.0 positive automatic P 303 77.8947 -0.106039 0.15773
AT.SMY.BHZ. 2021-09-05T18:03:25.60 10.0 positive automatic P 353 75.2684 -0.498853 0.217881
JP.JKA.BHZ. 2021-09-05T18:03:36.15 10.0 positive automatic PcP 328 74.5708 -0.289454 0
JP.YOJ.BHZ. 2021-09-05T18:03:32.60 10.0 positive automatic P 304 76.4583 -0.287842 0.183487
AT.AKUT.BHZ. 2021-09-05T18:03:31.50 10.0 positive automatic P 5 76.3587 -0.81994 0
MY.SBM.BHZ. 2021-09-05T18:03:28.77 10.0 positive automatic P 279 75.6054 0.707399 0.218503
JP.JSU.BHZ. 2021-09-05T18:03:25.05 10.0 positive automatic P 314 75.1024 -0.152074 0.218576
JP.JTM.BHZ. 2021-09-05T18:03:25.40 10.0 positive automatic P 327 75.0934 0.296487 0.223875
II.ERM.BHZ.00 2021-09-05T18:03:25.62 10.0 positive automatic P 329 74.9738 1.2231 0.214905
JP.JMN.BHZ. 2021-09-05T18:03:20.85 10.0 positive automatic P 317 74.2818 0.374969 0.232522
JP.JOW.BHZ. 2021-09-05T18:03:18.10 10.0 positive automatic P 309 73.8315 0.316889 0.23187
IU.ADK.BHZ.00 2021-09-05T18:03:16.87 10.0 positive automatic P 359 73.7743 -0.563691 0.235213
IU.MAJO.BHZ.00 2021-09-05T18:03:15.82 10.0 positive automatic P 322 73.5853 -0.550908 0.219199
JP.JGF.BHZ. 2021-09-05T18:03:14.75 10.0 positive automatic P 321 73.4226 -0.690588 0.241857
G.INU.BHZ.00 2021-09-05T18:03:14.91 10.0 positive automatic P 320 73.4395 -0.551297 0.207148
GE.JAGI.BHZ. 2021-09-05T18:02:51.82 10.0 positive automatic P 269 69.7355 -1.33603 0.265063
AU.GIRL.BHZ.00 2021-09-05T18:02:27.53 10.0 negative automatic P 254 65.3835 1.87521 0.330226
GE.LUWI.BHZ. 2021-09-05T18:02:19.87 10.0 positive automatic P 280 64.5345 -0.23884 0.333319
IU.CASY.BHZ.00 2021-09-05T18:02:18.37 10.0 positive automatic P 206 64.0874 1.18805 0.324231
AU.MORW.BHZ. 2021-09-05T18:02:05.57 10.0 positive automatic P 248 62.3710 -0.280933 0.378293
GE.MMRI.BHZ. 2021-09-05T18:02:03.47 10.0 positive automatic P 272 62.1758 -1.04602 0.363658
GE.SANI.BHZ. 2021-09-05T18:01:56.42 10.0 positive automatic P 280 61.1867 -1.4105 0.368401
GE.TNTI.BHZ. 2021-09-05T18:01:56.52 10.0 positive automatic P 284 61.1180 -0.850093 0.386478
IU.MBWA.BHZ.00 2021-09-05T18:01:54.27 10.0 positive automatic P 257 60.8065 -1.00868 0.400062
IU.NWAO.BHZ.00 2021-09-05T18:01:54.42 10.0 positive automatic P 243 60.7093 -0.230366 0.383187
GE.SOEI.BHZ. 2021-09-05T18:01:49.92 10.0 positive automatic P 271 59.9105 0.624634 0.412804
IU.SBA.BHZ.00 2021-09-05T18:01:30.12 10.0 positive automatic P 185 56.7032 3.40925 0.460052
AU.FITZ.BHZ. 2021-09-05T18:01:22.13 10.0 positive automatic P 262 56.1650 -0.764208 0.462722
GE.FAKI.BHZ. 2021-09-05T18:01:14.07 10.0 positive automatic P 282 55.1295 -1.38578 0.484171
AU.MTN.BHZ.00 2021-09-05T18:00:54.83 10.0 positive automatic P 270 52.5430 -1.7125 0.441126
AU.WRKA.BHZ.00 2021-09-05T18:00:53.38 10.0 positive automatic P 255 52.3113 -1.52291 0.510664
NZ.KHZ.HHZ.10 2021-09-05T18:00:45.33 10.0 positive automatic S 203 22.9044 -9.70823 0
AU.KDU.BHZ.00 2021-09-05T18:00:45.93 10.0 positive automatic P 271 51.3477 -1.68845 0.538242
GE.GENI.BHZ. 2021-09-05T18:00:22.47 10.0 positive automatic P 287 48.1636 -0.91185 0.546303
II.WRAB.BHZ.00 2021-09-05T18:00:17.80 10.0 positive automatic P 262 47.7215 -2.216 0.613286
IU.POHA.BHZ.00 2021-09-05T18:00:04.35 10.0 positive automatic P 25 45.5081 1.40581 0.297706
IU.WAKE.BHZ.00 2021-09-05T17:59:58.67 10.0 positive automatic P 334 45.1429 -1.03448 0.576142
AU.HTT.BHZ. 2021-09-05T17:59:37.07 10.0 positive automatic P 244 42.5907 -2.24609 0.575117
AU.MANU.BHZ.00 2021-09-05T17:59:35.05 10.0 positive automatic P 293 42.1484 -0.565043 0.715139
II.TAU.BHZ.00 2021-09-05T17:59:02.77 10.0 negative automatic P 227 38.1040 0.699818 0.766255
AU.TOO.BHZ.00 2021-09-05T17:59:00.50 10.0 positive automatic P 236 37.8740 -0.709806 0.770701
AU.QLP.BHZ. 2021-09-05T17:58:58.57 10.0 positive automatic P 254 37.8902 -1.70954 0.788729
AU.RABL.BHZ.00 2021-09-05T17:58:49.48 10.0 positive automatic P 294 36.9401 -2.75996 0.745537
IU.CTAO.BHZ.00 2021-09-05T17:58:48.00 10.0 positive automatic P 265 36.7179 -1.36347 0.784121
G.CAN.BHZ.00 2021-09-05T17:58:32.65 10.0 negative automatic P 239 34.6218 0.221581 0.834932
AU.ARMA.BHZ. 2021-09-05T17:58:05.80 10.0 negative automatic P 247 31.5714 -0.0685033 0.929951
IU.HNR.BHZ.00 2021-09-05T17:57:28.27 10.0 positive automatic P 293 27.6174 -2.36939 0.610687
NZ.ODZ.HHZ.10 2021-09-05T17:57:17.36 10.0 positive automatic P 204 26.2369 -0.887359 0.934579
IU.TARA.BHZ.00 2021-09-05T17:57:17.30 10.0 positive automatic P 330 26.3329 -1.77102 0.784314
AU.LHI.BHZ.00 2021-09-05T17:57:12.98 10.0 positive automatic P 242 25.5455 1.02873 0.930233
G.PPTF.BHZ.00 2021-09-05T17:56:56.75 10.0 negative automatic P 84 23.6987 1.51872 0.909091
IU.SNZO.BHZ.00 2021-09-05T17:56:33.12 10.0 positive automatic P 203 21.5140 0.893939 0.952381
ND.KOUNC.BHZ.00 2021-09-05T17:56:15.60 10.0 positive automatic P 270 19.9345 0.475869 0.888889
G.SANVU.BHZ.00 2021-09-05T17:56:01.15 10.0 positive automatic P 287 18.5909 0.741109 0.930233
ND.ONTNC.BHZ.00 2021-09-05T17:55:51.85 10.0 positive automatic P 265 17.7710 1.18134 0.909091
AU.NFK.BHZ.00 2021-09-05T17:55:47.12 10.0 positive automatic P 242 17.4924 -0.115417 0.625
NZ.OUZ.HHZ.10 2021-09-05T17:55:39.78 10.0 positive automatic P 216 17.0060 -1.35756 0.328407
IU.FUNA.BHZ.00 2021-09-05T17:55:12.65 10.0 positive automatic P 334 14.7113 1.25955 0.747664
IU.RAR.BHZ.00 2021-09-05T17:54:51.00 10.0 positive automatic P 90 13.5779 -3.93171 0.963855
II.MSVF.BHZ.00 2021-09-05T17:53:48.57 10.0 positive automatic P 299 8.2407 5.56057 0.869565
IU.AFI.BHZ.00 2021-09-05T17:53:43.17 10.0 positive automatic P 18 8.3276 -1.01667 0.869565
TDMT - Time Domain Moment Tensor
Meccanismi di sorgente sismica nell'area
Download
Tipo Descrizione Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download