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(km) Takeoff_angle Residual Weight
IU.HKT.BHZ.00 2021-09-05T18:04:53.75 10.0 negative automatic pP 58 10154.9904 -1.51909 0
IU.COLA.BHZ.00 2021-09-05T18:04:52.57 10.0 positive automatic sP 11 9891.2655 7.43223 0
GE.LHMI.BHZ. 2021-09-05T18:04:48.37 10.0 positive automatic P 275 10071.3741 2.28291 0.0814711
US.EGMT.BHZ.00 2021-09-05T18:04:47.43 10.0 positive automatic PcP 37 10057.6323 0.641203 0
G.PEL.BHZ.00 2021-09-05T18:04:45.75 10.0 positive automatic sP 126 9863.6376 1.63806 0
G.PEL.BHZ.00 2021-09-05T18:04:41.05 10.0 positive automatic P 126 9863.6376 3.58983 0.0932555
US.AMTX.BHZ.00 2021-09-05T18:04:41.65 10.0 positive automatic PcP 52 9902.7873 1.0509 0
US.ISCO.BHZ.00 2021-09-05T18:04:40.63 10.0 negative automatic PcP 46 9862.0281 1.35072 0
US.LKWY.BHZ.00 2021-09-05T18:04:38.55 10.0 positive automatic PcP 40 9805.7178 1.5735 0
IU.COLA.BHZ.00 2021-09-05T18:04:38.70 10.0 positive automatic P 11 9891.2655 0.150706 0.10158
US.BOZ.BHZ.00 2021-09-05T18:04:35.78 10.0 positive automatic P 38 9789.6561 1.30489 0.091666
US.SDCO.BHZ.00 2021-09-05T18:04:36.25 10.0 negative automatic PcP 48 9756.2673 1.21493 0
US.BW06.BHZ.00 2021-09-05T18:04:33.60 10.0 positive automatic P 42 9753.1371 0.585675 0.0927875
IU.ANMO.BHZ.00 2021-09-05T18:04:33.10 10.0 negative automatic sP 50 9526.0089 3.35432 0
US.MSO.BHZ.00 2021-09-05T18:04:31.98 10.0 positive automatic P 37 9723.6222 0.395257 0
US.AHID.BHZ.00 2021-09-05T18:04:30.23 10.0 positive automatic PcP 41 9648.12 -0.401066 0
US.NEW.BHZ.00 2021-09-05T18:04:28.38 10.0 positive automatic P 34 9630.7152 0.942813 0.104022
GE.SNAA.BHZ. 2021-09-05T18:04:26.76 10.0 positive automatic P 177 9576.5472 1.70572 0.118584
GT.PLCA.BHZ.00 2021-09-05T18:04:26.98 10.0 positive automatic pP 132 9510.9462 -0.913015 0
US.HWUT.BHZ.00 2021-09-05T18:04:25.00 10.0 positive automatic P 42 9544.4682 1.20479 0.109345
GT.PLCA.BHZ.00 2021-09-05T18:04:26.90 10.0 positive automatic P 132 9510.9462 4.73481 0.123113
US.WRAK.BHZ.00 2021-09-05T18:04:25.18 10.0 positive automatic P 22 9537.0423 2.01333 0.0573182
US.MVCO.BHZ.00 2021-09-05T18:04:24.05 10.0 positive automatic P 47 9499.0692 2.22071 0.0969002
IU.ANMO.BHZ.00 2021-09-05T18:04:25.27 10.0 positive automatic P 50 9526.0089 2.29858 0.114105
US.HLID.BHZ.00 2021-09-05T18:04:22.68 10.0 positive automatic P 39 9479.511 1.79553 0.106703
CN.BBB.BHZ. 2021-09-05T18:04:18.13 10.0 positive automatic P 26 9357.2556 3.0859 0.138902
US.BMO.BHZ.00 2021-09-05T18:04:17.73 10.0 positive automatic P 37 9383.7069 1.28314 0.13214
US.DUG.BHZ.00 2021-09-05T18:04:17.45 10.0 positive automatic P 42 9369.3546 1.60959 0.121845
US.HAWA.BHZ.00 2021-09-05T18:04:16.85 10.0 positive automatic P 35 9358.7208 1.68363 0.129435
G.COYC.BHZ.00 2021-09-05T18:04:11.80 10.0 positive automatic P 136 9174.3609 5.19986 0.141124
US.ELK.BHZ.00 2021-09-05T18:04:11.63 10.0 positive automatic P 41 9238.9296 1.66916 0.136453
US.NLWA.BHZ.00 2021-09-05T18:04:10.08 10.0 positive automatic P 32 9188.802 2.72856 0.120062
US.WUAZ.BHZ.00 2021-09-05T18:04:09.73 10.0 positive automatic P 47 9181.4649 2.55782 0.140606
RM.DLV.BHZ. 2021-09-05T18:04:09.27 10.0 positive automatic P 286 9194.7405 1.54781 0.142814
US.WVOR.BHZ.00 2021-09-05T18:04:06.50 10.0 positive automatic P 38 9131.9145 1.69899 0.144236
II.KDAK.BHZ.00 2021-09-05T18:04:02.22 10.0 positive automatic P 12 9068.3115 0.634989 0.152349
IU.COR.BHZ.00 2021-09-05T18:04:01.25 10.0 positive automatic P 34 9006.2292 2.6311 0.13046
US.TPNV.BHZ.00 2021-09-05T18:03:56.70 10.0 positive automatic P 43 8916.5079 2.15705 0.174098
IU.YSS.BHZ.00 2021-09-05T18:03:47.35 10.0 positive automatic P 332 8761.2633 0.658715 0.176789
BK.CMB.BHZ.00 2021-09-05T18:03:45.90 10.0 positive automatic P 41 8706.1185 1.84139 0.183456
II.PFO.BHZ.00 2021-09-05T18:03:44.87 10.0 positive automatic P 46 8679.8226 2.0281 0.140477
IU.PET.BHZ.00 2021-09-05T18:03:43.52 10.0 positive automatic P 344 8709.8814 -0.618717 0.181057
MX.SRIG.BHZ. 2021-09-05T18:03:42.74 10.0 positive automatic pP 54 8613.8109 -2.24865 0
MX.SRIG.BHZ. 2021-09-05T18:03:42.34 10.0 positive automatic P 54 8613.8109 3.01725 0.180948
IU.TATO.BHZ.00 2021-09-05T18:03:40.87 10.0 positive automatic P 303 8646.3117 -0.106039 0.15773
AT.SMY.BHZ. 2021-09-05T18:03:25.60 10.0 positive automatic P 353 8354.7924 -0.498853 0.217881
JP.JKA.BHZ. 2021-09-05T18:03:36.15 10.0 positive automatic PcP 328 8277.3588 -0.289454 0
JP.YOJ.BHZ. 2021-09-05T18:03:32.60 10.0 positive automatic P 304 8486.8713 -0.287842 0.183487
AT.AKUT.BHZ. 2021-09-05T18:03:31.50 10.0 positive automatic P 5 8475.8157 -0.81994 0
MY.SBM.BHZ. 2021-09-05T18:03:28.77 10.0 positive automatic P 279 8392.1994 0.707399 0.218503
JP.JSU.BHZ. 2021-09-05T18:03:25.05 10.0 positive automatic P 314 8336.3664 -0.152074 0.218576
JP.JTM.BHZ. 2021-09-05T18:03:25.40 10.0 positive automatic P 327 8335.3674 0.296487 0.223875
II.ERM.BHZ.00 2021-09-05T18:03:25.62 10.0 positive automatic P 329 8322.0918 1.2231 0.214905
JP.JMN.BHZ. 2021-09-05T18:03:20.85 10.0 positive automatic P 317 8245.2798 0.374969 0.232522
JP.JOW.BHZ. 2021-09-05T18:03:18.10 10.0 positive automatic P 309 8195.2965 0.316889 0.23187
IU.ADK.BHZ.00 2021-09-05T18:03:16.87 10.0 positive automatic P 359 8188.9473 -0.563691 0.235213
IU.MAJO.BHZ.00 2021-09-05T18:03:15.82 10.0 positive automatic P 322 8167.9683 -0.550908 0.219199
JP.JGF.BHZ. 2021-09-05T18:03:14.75 10.0 positive automatic P 321 8149.9086 -0.690588 0.241857
G.INU.BHZ.00 2021-09-05T18:03:14.91 10.0 positive automatic P 320 8151.7845 -0.551297 0.207148
GE.JAGI.BHZ. 2021-09-05T18:02:51.82 10.0 positive automatic P 269 7740.6405 -1.33603 0.265063
AU.GIRL.BHZ.00 2021-09-05T18:02:27.53 10.0 negative automatic P 254 7257.5685 1.87521 0.330226
GE.LUWI.BHZ. 2021-09-05T18:02:19.87 10.0 positive automatic P 280 7163.3295 -0.23884 0.333319
IU.CASY.BHZ.00 2021-09-05T18:02:18.37 10.0 positive automatic P 206 7113.7014 1.18805 0.324231
AU.MORW.BHZ. 2021-09-05T18:02:05.57 10.0 positive automatic P 248 6923.181 -0.280933 0.378293
GE.MMRI.BHZ. 2021-09-05T18:02:03.47 10.0 positive automatic P 272 6901.5138 -1.04602 0.363658
GE.SANI.BHZ. 2021-09-05T18:01:56.42 10.0 positive automatic P 280 6791.7237 -1.4105 0.368401
GE.TNTI.BHZ. 2021-09-05T18:01:56.52 10.0 positive automatic P 284 6784.098 -0.850093 0.386478
IU.MBWA.BHZ.00 2021-09-05T18:01:54.27 10.0 positive automatic P 257 6749.5215 -1.00868 0.400062
IU.NWAO.BHZ.00 2021-09-05T18:01:54.42 10.0 positive automatic P 243 6738.7323 -0.230366 0.383187
GE.SOEI.BHZ. 2021-09-05T18:01:49.92 10.0 positive automatic P 271 6650.0655 0.624634 0.412804
IU.SBA.BHZ.00 2021-09-05T18:01:30.12 10.0 positive automatic P 185 6294.0552 3.40925 0.460052
AU.FITZ.BHZ. 2021-09-05T18:01:22.13 10.0 positive automatic P 262 6234.315 -0.764208 0.462722
GE.FAKI.BHZ. 2021-09-05T18:01:14.07 10.0 positive automatic P 282 6119.3745 -1.38578 0.484171
AU.MTN.BHZ.00 2021-09-05T18:00:54.83 10.0 positive automatic P 270 5832.273 -1.7125 0.441126
AU.WRKA.BHZ.00 2021-09-05T18:00:53.38 10.0 positive automatic P 255 5806.5543 -1.52291 0.510664
NZ.KHZ.HHZ.10 2021-09-05T18:00:45.33 10.0 positive automatic S 203 2542.3884 -9.70823 0
AU.KDU.BHZ.00 2021-09-05T18:00:45.93 10.0 positive automatic P 271 5699.5947 -1.68845 0.538242
GE.GENI.BHZ. 2021-09-05T18:00:22.47 10.0 positive automatic P 287 5346.1596 -0.91185 0.546303
II.WRAB.BHZ.00 2021-09-05T18:00:17.80 10.0 positive automatic P 262 5297.0865 -2.216 0.613286
IU.POHA.BHZ.00 2021-09-05T18:00:04.35 10.0 positive automatic P 25 5051.3991 1.40581 0.297706
IU.WAKE.BHZ.00 2021-09-05T17:59:58.67 10.0 positive automatic P 334 5010.8619 -1.03448 0.576142
AU.HTT.BHZ. 2021-09-05T17:59:37.07 10.0 positive automatic P 244 4727.5677 -2.24609 0.575117
AU.MANU.BHZ.00 2021-09-05T17:59:35.05 10.0 positive automatic P 293 4678.4724 -0.565043 0.715139
II.TAU.BHZ.00 2021-09-05T17:59:02.77 10.0 negative automatic P 227 4229.544 0.699818 0.766255
AU.TOO.BHZ.00 2021-09-05T17:59:00.50 10.0 positive automatic P 236 4204.014 -0.709806 0.770701
AU.QLP.BHZ. 2021-09-05T17:58:58.57 10.0 positive automatic P 254 4205.8122 -1.70954 0.788729
AU.RABL.BHZ.00 2021-09-05T17:58:49.48 10.0 positive automatic P 294 4100.3511 -2.75996 0.745537
IU.CTAO.BHZ.00 2021-09-05T17:58:48.00 10.0 positive automatic P 265 4075.6869 -1.36347 0.784121
G.CAN.BHZ.00 2021-09-05T17:58:32.65 10.0 negative automatic P 239 3843.0198 0.221581 0.834932
AU.ARMA.BHZ. 2021-09-05T17:58:05.80 10.0 negative automatic P 247 3504.4254 -0.0685033 0.929951
IU.HNR.BHZ.00 2021-09-05T17:57:28.27 10.0 positive automatic P 293 3065.5314 -2.36939 0.610687
NZ.ODZ.HHZ.10 2021-09-05T17:57:17.36 10.0 positive automatic P 204 2912.2959 -0.887359 0.934579
IU.TARA.BHZ.00 2021-09-05T17:57:17.30 10.0 positive automatic P 330 2922.9519 -1.77102 0.784314
AU.LHI.BHZ.00 2021-09-05T17:57:12.98 10.0 positive automatic P 242 2835.5505 1.02873 0.930233
G.PPTF.BHZ.00 2021-09-05T17:56:56.75 10.0 negative automatic P 84 2630.5557 1.51872 0.909091
IU.SNZO.BHZ.00 2021-09-05T17:56:33.12 10.0 positive automatic P 203 2388.054 0.893939 0.952381
ND.KOUNC.BHZ.00 2021-09-05T17:56:15.60 10.0 positive automatic P 270 2212.7295 0.475869 0.888889
G.SANVU.BHZ.00 2021-09-05T17:56:01.15 10.0 positive automatic P 287 2063.5899 0.741109 0.930233
ND.ONTNC.BHZ.00 2021-09-05T17:55:51.85 10.0 positive automatic P 265 1972.581 1.18134 0.909091
AU.NFK.BHZ.00 2021-09-05T17:55:47.12 10.0 positive automatic P 242 1941.6564 -0.115417 0.625
NZ.OUZ.HHZ.10 2021-09-05T17:55:39.78 10.0 positive automatic P 216 1887.666 -1.35756 0.328407
IU.FUNA.BHZ.00 2021-09-05T17:55:12.65 10.0 positive automatic P 334 1632.9543 1.25955 0.747664
IU.RAR.BHZ.00 2021-09-05T17:54:51.00 10.0 positive automatic P 90 1507.1469 -3.93171 0.963855
II.MSVF.BHZ.00 2021-09-05T17:53:48.57 10.0 positive automatic P 299 914.7177 5.56057 0.869565
IU.AFI.BHZ.00 2021-09-05T17:53:43.17 10.0 positive automatic P 18 924.3636 -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