Istituto Nazionale di Geofisica e Vulcanologia

Terremoto di magnitudo Mwp 6.9 del 14-08-2021 ore 11:57:44 (UTC) in zona: Alaska Peninsula, United States [Sea: United States]

Un terremoto di magnitudo Mwp 6.9 è avvenuto nella zona: Alaska Peninsula, United States [Sea: United States], il

  • 14-08-2021 11:57:44 (UTC)
  • 14-08-2021 13:57:44 (UTC +02:00) ora italiana
  • 14-08-2021 03:57:44 (UTC -08:00) orario locale nella zona del terremoto (America/Anchorage)

con coordinate geografiche (lat, lon) 55.3040, -157.7930 ad una profondità di 10 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.

Hai sentito il terremoto? Clicca qui

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 5.6
Mwp 6.9
Mwpd 7.0 		2021-08-14
11:57:44		 55.3043 -157.793 10 2021-08-14
12:17:08		 Sala Sismica INGV-Roma 94135551
Localizzazione e magnitudo preferite finora.
Parametri della localizzazione preferita

Localizzazione

Campo Valore
Tempo (UTC) 2021-08-14 11:57:44
Latitudine 55.3043
Longitudine -157.7930
Profondità (km) 10 (from location)
Metodo di valutazione automatic
Stato della valutazione reviewed
Versione 100 -> SURVEY-INGV-A
Tipo di evento earthquake
ID localizzazione 94135551

Incertezze

Campo Valore
Tipo di incertezza uncertainty ellipse
Semi-asse maggiore dell'ellisse di confidenza (metri) 8545
Semi-asse minore dell'ellisse di confidenza (metri) 889
azimuth dell’asse maggiore dell’ellisse di confidenza (gradi) 11
Regione di confidenza sul piano orizzontale espressa mediante singolo valore di incertezza (metri) 6919.6
Livello di confidenza dell'incertezza (%) 68

Qualità

Campo Valore
Maggiore gap azimutale nella distribuzione delle stazioni all'epicentro 69.6537
Numero di fasi associato indipendentemente se utilizzate nella localizzazione (determinazione dell'Origin) 142
Numero di fasi 142
Scarto quadratico medio dei residui di tempo risultanti dal calcolo del tempo origine (Origin) della localizzazione (sec) 1.04681
Distanza epicentrale della stazione piu' vicina (gradi) 3.79157
Distanza epicentrale della stazione piu’ lontana (gradi) 69.43414
Numero di stazioni in cui l’evento e’ stato osservato 134
Numero di stazioni usate nel calcolo dell'Origin 134
Parametri delle magnitudo

Mwpd:7.0

Campo Valore
Valore 7.0
Incertezza 0.1
Num. stazioni usate 103
Tipo di magnitudo Mwpd
Localizzazione di riferimento 94135551
Agenzia INGV
Autore early-est_ee1.1.9
Tempo di creazione (UTC) 2021-08-14 12:17:08

Mwp:6.9

Campo Valore
Valore 6.9
Incertezza 0.1
Num. stazioni usate 108
Tipo di magnitudo Mwp
Localizzazione di riferimento 94135551
Agenzia INGV
Autore early-est_ee1.1.9
Tempo di creazione (UTC) 2021-08-14 12:17:08

mb:5.7

Campo Valore
Valore 5.7
Incertezza 0.1
Num. stazioni usate 112
Tipo di magnitudo mb
Localizzazione di riferimento 94135551
Agenzia INGV
Autore early-est_ee1.1.9
Tempo di creazione (UTC) 2021-08-14 12:17:08
Tempi di arrivo
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
GE.VAL.BHZ. 2021-08-14T12:08:52.70 10.0 positive automatic P 21 69.4341 1.22166 0.223544
GE.SLIT.BHZ. 2021-08-14T12:08:36.60 10.0 positive automatic P 360 67.0640 -0.0246728 0.146057
CU.TGUH.BHZ.00 2021-08-14T12:08:39.70 10.0 positive automatic P 98 67.4255 0.593936 0
GE.VSU.BHZ. 2021-08-14T12:08:30.90 10.0 positive automatic P 357 66.1726 -0.0345546 0
IU.BBSR.BHZ.00 2021-08-14T12:08:25.50 10.0 positive automatic P 68 65.5262 -1.26519 0.313646
GE.PUL.BHZ. 2021-08-14T12:08:22.85 10.0 positive automatic P 355 64.7444 1.15153 0
IU.KONO.BHZ.00 2021-08-14T12:08:22.22 10.0 positive automatic P 7 64.6047 1.41783 0.348072
JP.YOJ.BHZ. 2021-08-14T12:08:15.85 10.0 positive automatic P 276 64.0433 -1.24521 0.229707
GB.LRW.BHZ. 2021-08-14T12:08:11.92 10.0 positive automatic P 13 63.0704 1.23992 0.361668
IU.TEIG.BHZ.00 2021-08-14T12:08:02.12 10.0 positive automatic P 95 61.8877 -0.638385 0.363133
IU.GUMO.BHZ.00 2021-08-14T12:07:49.85 10.0 positive automatic P 250 60.5401 -3.80546 0.258809
IU.DWPF.BHZ.00 2021-08-14T12:07:46.27 10.0 positive automatic P 84 59.6138 -1.00352 0.192394
JP.JOW.BHZ. 2021-08-14T12:07:44.80 10.0 positive automatic P 274 59.2186 0.230281 0.341302
JP.JMZ.BHZ. 2021-08-14T12:07:38.65 10.0 positive automatic P 270 58.3254 0.320693 0
II.LVZ.BHZ.00 2021-08-14T12:07:25.77 10.0 positive automatic P 354 56.4501 0.572479 0.405707
CN.DRLN.BHZ. 2021-08-14T12:07:22.00 10.0 positive automatic P 51 56.1793 -1.19533 0.385236
II.BORG.BHZ.00 2021-08-14T12:07:19.75 10.0 positive automatic P 21 55.4168 2.04222 0.479494
IU.ULN.BHZ.00 2021-08-14T12:07:14.27 10.0 positive automatic P 305 54.8697 0.257215 0.436068
IU.KEV.BHZ.00 2021-08-14T12:07:14.17 10.0 positive automatic P 358 54.8885 0.282416 0.426727
JP.JSU.BHZ. 2021-08-14T12:07:11.00 10.0 positive automatic P 276 54.4312 0.380149 0.319741
IU.HRV.BHZ.00 2021-08-14T12:07:09.62 10.0 positive automatic P 65 54.3297 -0.224853 0.463336
US.GOGA.BHZ.00 2021-08-14T12:07:09.10 10.0 positive automatic P 81 54.4699 -1.75273 0.488417
II.TLY.BHZ.00 2021-08-14T12:07:05.52 10.0 positive automatic P 310 53.6624 0.481458 0.409479
US.PKME.BHZ.00 2021-08-14T12:07:03.10 10.0 positive automatic P 61 53.5185 -0.799193 0.497419
US.BLA.BHZ.00 2021-08-14T12:07:02.43 10.0 positive automatic P 75 53.3904 -0.626109 0.511304
JP.JTU.BHZ. 2021-08-14T12:07:00.40 10.0 positive automatic P 279 52.7972 1.01672 0.240374
IU.XMAS.BHZ.00 2021-08-14T12:07:00.93 10.0 negative automatic P 180 53.2579 -2.89909 0.236963
US.LBNH.BHZ.00 2021-08-14T12:06:59.10 10.0 positive automatic P 64 52.9124 -0.377936 0.501063
US.LRAL.BHZ.00 2021-08-14T12:06:56.63 10.0 negative automatic P 84 52.7517 -1.63227 0.527827
IM.TKL.BHZ. 2021-08-14T12:06:55.67 10.0 positive automatic P 79 52.6519 -1.88781 0.369284
IU.INCN.BHZ.00 2021-08-14T12:06:55.12 10.0 positive automatic P 283 52.2103 0.891606 0.244755
IU.SSPA.BHZ.00 2021-08-14T12:06:54.07 10.0 positive automatic P 71 52.3243 -1.03931 0.534818
US.BINY.BHZ.00 2021-08-14T12:06:54.20 10.0 positive automatic P 68 52.2369 -0.301065 0.463636
DK.NRS.BHZ. 2021-08-14T12:06:52.90 10.0 positive automatic P 34 51.9957 0.266278 0.509531
US.TZTN.BHZ.00 2021-08-14T12:06:52.20 10.0 positive automatic P 78 52.1372 -1.53996 0.0858559
US.MCWV.BHZ.00 2021-08-14T12:06:51.60 10.0 positive automatic P 73 51.9564 -0.774245 0.528146
US.VBMS.BHZ.00 2021-08-14T12:06:48.75 10.0 positive automatic P 87 51.3609 0.867954 0.550745
US.LONY.BHZ.00 2021-08-14T12:06:46.50 10.0 positive automatic P 65 51.2858 -0.891989 0.539008
G.IVI.BHZ.00 2021-08-14T12:06:46.20 10.0 positive automatic P 36 51.0612 0.569201 0.536361
JP.JMN.BHZ. 2021-08-14T12:06:45.30 10.0 positive automatic P 275 50.8473 1.18903 0.357114
JP.JCJ.BHZ. 2021-08-14T12:06:45.50 10.0 positive automatic P 262 51.1180 -0.582904 0.460483
US.KVTX.BHZ.00 2021-08-14T12:06:44.63 10.0 negative automatic P 98 50.7012 1.7113 0.43578
DK.ANGG.BHZ. 2021-08-14T12:06:43.85 10.0 positive automatic P 27 50.8889 -0.480463 0.551985
DK.SOEG.BHZ.00 2021-08-14T12:06:41.20 10.0 positive automatic P 23 50.3600 0.831323 0.535295
DK.ISOG.BHZ. 2021-08-14T12:06:41.95 10.0 positive automatic P 28 50.5873 -0.107574 0.556995
DK.SCO.BHZ. 2021-08-14T12:06:40.80 10.0 positive automatic P 18 50.3146 0.795248 0.536019
US.OXF.BHZ.00 2021-08-14T12:06:38.98 10.0 positive automatic P 85 50.3088 -0.991121 0.54858
US.ERPA.BHZ.00 2021-08-14T12:06:37.75 10.0 positive automatic P 71 50.1611 -1.12941 0.538471
IU.HKT.BHZ.00 2021-08-14T12:06:37.82 10.0 negative automatic P 94 50.0206 0.124266 0.580285
IU.WVT.BHZ.00 2021-08-14T12:06:36.80 10.0 positive automatic P 82 50.0346 -1.10561 0.573057
US.ACSO.BHZ.00 2021-08-14T12:06:35.08 10.0 positive automatic P 75 49.8401 -1.37141 0.434893
US.NATX.BHZ.00 2021-08-14T12:06:33.38 10.0 negative automatic P 91 49.3433 0.740391 0.58486
JP.JHJ2.BHZ. 2021-08-14T12:06:22.15 10.0 positive automatic P 269 47.9221 0.466597 0.277961
DK.NUUK.BHZ.00 2021-08-14T12:06:22.40 10.0 positive automatic P 34 47.8318 1.41136 0.576368
US.MIAR.BHZ.00 2021-08-14T12:06:21.23 10.0 negative automatic P 88 47.9180 -0.450698 0.617011
G.INU.BHZ.00 2021-08-14T12:06:21.11 10.0 positive automatic P 274 47.8850 -0.295695 0.4965
JP.JGF.BHZ. 2021-08-14T12:06:18.35 10.0 positive automatic P 274 47.5183 -0.284197 0.473869
US.JCT.BHZ.00 2021-08-14T12:06:17.20 10.0 negative automatic P 97 47.3836 -0.385667 0.611608
DK.DBG.BHZ.00 2021-08-14T12:06:16.90 10.0 positive automatic P 14 47.3187 -0.0777999 0.61274
MX.HPIG.BHZ. 2021-08-14T12:06:13.43 10.0 negative automatic P 105 46.8424 -0.137193 0.621084
IU.CCM.BHZ.00 2021-08-14T12:06:11.42 10.0 positive automatic P 83 46.7470 -1.13701 0.630266
GE.SFJD.BHZ.00 2021-08-14T12:06:09.97 10.0 positive automatic P 31 46.2783 1.07288 0.631042
IU.MAJO.BHZ.00 2021-08-14T12:06:09.72 10.0 positive automatic P 274 46.3657 0.12656 0.550808
US.HDIL.BHZ.00 2021-08-14T12:06:07.15 10.0 positive automatic P 79 46.1230 -0.500556 0.633798
US.GLMI.BHZ.00 2021-08-14T12:06:05.58 10.0 positive automatic P 71 45.8554 -0.000613358 0.609533
GE.KBS.BHZ.00 2021-08-14T12:06:05.02 10.0 positive automatic P 3 45.6280 1.30091 0.550816
GE.SUMG.BHZ. 2021-08-14T12:06:03.70 10.0 positive automatic P 21 45.4946 0.494783 0.576388
GE.DAG.BHZ. 2021-08-14T12:06:02.06 10.0 positive automatic P 12 45.4219 -0.022823 0.631279
DK.ILULI.BHZ. 2021-08-14T12:05:56.90 10.0 positive automatic P 29 44.7101 0.473161 0.562677
US.JFWS.BHZ.00 2021-08-14T12:05:50.08 10.0 positive automatic P 77 44.0211 -0.882475 0.663773
US.MNTX.BHZ.00 2021-08-14T12:05:45.10 10.0 negative automatic P 101 43.3258 -0.269773 0.618209
US.SCIA.BHZ.00 2021-08-14T12:05:43.03 10.0 positive automatic P 80 43.0265 0.0860928 0.689981
US.AMTX.BHZ.00 2021-08-14T12:05:43.43 10.0 positive automatic P 94 43.0640 0.0619346 0.629348
US.KSU1.BHZ.00 2021-08-14T12:05:42.48 10.0 negative automatic P 86 42.9891 -0.161635 0.690675
MX.SRIG.BHZ. 2021-08-14T12:05:42.50 10.0 negative automatic P 112 42.9867 -0.0699997 0.674655
MX.HSIG.BHZ. 2021-08-14T12:05:37.16 10.0 negative automatic P 109 42.3253 -0.0653398 0.686685
G.KIP.BHZ.00 2021-08-14T12:04:24.90 10.0 negative automatic P 180 33.8832 -1.15663 0.820937
JP.JTM.BHZ. 2021-08-14T12:05:32.65 10.0 positive automatic P 276 41.8290 -0.507081 0.55405
US.CBKS.BHZ.00 2021-08-14T12:05:30.60 10.0 negative automatic P 88 41.4070 0.806088 0.657681
US.EYMN.BHZ.00 2021-08-14T12:05:19.88 10.0 positive automatic P 72 40.2018 0.0578509 0.752268
US.ECSD.BHZ.00 2021-08-14T12:05:17.18 10.0 positive automatic P 80 39.9434 -0.497266 0.739489
II.ERM.BHZ.00 2021-08-14T12:05:16.57 10.0 positive automatic P 276 39.8405 -0.168335 0.59456
US.SDCO.BHZ.00 2021-08-14T12:05:09.53 10.0 positive automatic P 94 38.8651 0.496026 0.760195
US.OGNE.BHZ.00 2021-08-14T12:05:07.93 10.0 negative automatic P 88 38.6713 0.785132 0.773041
US.AGMN.BHZ.00 2021-08-14T12:04:58.08 10.0 positive automatic P 74 37.6222 -0.104195 0.766381
US.MVCO.BHZ.00 2021-08-14T12:04:57.83 10.0 negative automatic P 98 37.5552 -0.0984129 0.776594
US.ISCO.BHZ.00 2021-08-14T12:04:56.50 10.0 positive automatic P 92 37.3953 -0.162154 0.583085
US.WUAZ.BHZ.00 2021-08-14T12:04:54.55 10.0 negative automatic P 102 37.1500 0.162199 0.749623
IU.YSS.BHZ.00 2021-08-14T12:04:53.00 10.0 positive automatic P 283 37.0210 -0.0428577 0.72003
DK.TULEG.BHZ. 2021-08-14T12:04:50.40 10.0 positive automatic P 23 36.6789 0.293446 0.711035
IU.YAK.BHZ.00 2021-08-14T12:04:45.27 10.0 positive automatic P 311 36.2610 -1.28624 0.766302
II.PFO.BHZ.00 2021-08-14T12:04:42.60 10.0 positive automatic P 110 35.7993 -0.208966 0.8404
IU.RSSD.BHZ.00 2021-08-14T12:04:40.67 10.0 positive automatic P 85 35.5126 0.191551 0.755307
IU.POHA.BHZ.00 2021-08-14T12:04:39.82 10.0 negative automatic P 176 35.5865 -1.27604 0.535245
NN.PRN.HHZ. 2021-08-14T12:04:25.30 10.0 positive automatic P 104 33.7430 0.234842 0.745006
US.TPNV.BHZ.00 2021-08-14T12:04:22.30 10.0 negative automatic P 106 33.4148 0.0672177 0.849244
US.BW06.BHZ.00 2021-08-14T12:04:20.95 10.0 negative automatic P 92 33.2139 0.365382 0.883781
US.DUG.BHZ.00 2021-08-14T12:04:19.13 10.0 negative automatic P 98 33.0490 0.105568 0.784509
US.LAO.BHZ.00 2021-08-14T12:04:18.35 10.0 negative automatic P 83 32.7582 1.97459 0.658269
US.HWUT.BHZ.00 2021-08-14T12:04:17.60 10.0 negative automatic P 95 32.8181 0.540199 0.764661
US.AHID.BHZ.00 2021-08-14T12:04:13.68 10.0 negative automatic P 93 32.3378 0.801134 0.842102
US.RLMT.BHZ.00 2021-08-14T12:04:10.60 10.0 negative automatic P 88 31.9377 1.22085 0.910748
US.LKWY.BHZ.00 2021-08-14T12:04:08.20 10.0 positive automatic P 90 31.6253 1.50197 0.681969
US.ELK.BHZ.00 2021-08-14T12:04:04.23 10.0 negative automatic P 100 31.3148 0.305834 0.843703
II.FFC.BHZ.00 2021-08-14T12:04:01.97 10.0 positive automatic P 67 31.1365 -0.057101 0.811899
BK.SAO.BHZ.00 2021-08-14T12:03:58.67 10.0 positive automatic P 112 30.7508 0.0453964 0.883596
CN.RES.BHZ. 2021-08-14T12:03:56.73 10.0 positive automatic P 28 30.5151 0.231944 0.964244
BK.CMB.BHZ.00 2021-08-14T12:03:55.50 10.0 positive automatic P 109 30.3759 0.120082 0.843844
US.BOZ.BHZ.00 2021-08-14T12:03:55.43 10.0 negative automatic P 89 30.3150 0.432536 0.934497
US.HLID.BHZ.00 2021-08-14T12:03:52.43 10.0 positive automatic P 95 29.9559 0.575055 0.963855
US.EGMT.BHZ.00 2021-08-14T12:03:52.90 10.0 negative automatic P 84 30.0261 0.551726 0.90863
BK.MCCM.BHZ.00 2021-08-14T12:03:42.85 10.0 negative automatic P 112 28.9634 0.105105 0.888889
US.MSO.BHZ.00 2021-08-14T12:03:37.20 10.0 negative automatic P 89 28.2991 0.153644 0.941176
US.WVOR.BHZ.00 2021-08-14T12:03:37.13 10.0 positive automatic P 101 28.2925 0.124412 0.842105
US.BMO.BHZ.00 2021-08-14T12:03:30.78 10.0 negative automatic P 95 27.5270 0.640049 0.963855
IU.MA2.BHZ.00 2021-08-14T12:03:27.42 10.0 positive automatic P 300 27.2935 -0.477081 0.869565
US.NEW.BHZ.00 2021-08-14T12:03:14.30 10.0 positive automatic P 89 25.7171 0.560434 0.963855
US.HAWA.BHZ.00 2021-08-14T12:03:10.95 10.0 negative automatic P 94 25.3635 0.484721 0.91954
IU.PET.BHZ.00 2021-08-14T12:03:08.02 10.0 positive automatic P 283 25.1828 -0.758312 0.930233
IU.COR.BHZ.00 2021-08-14T12:03:01.00 10.0 negative automatic P 102 24.3134 1.13721 0.930233
US.NLWA.BHZ.00 2021-08-14T12:02:42.65 10.0 negative automatic P 96 22.3480 1.36577 0.97561
IU.BILL.BHZ.00 2021-08-14T12:02:24.32 10.0 positive automatic P 322 20.7344 0.425287 0.8
CN.INK.BHZ. 2021-08-14T12:01:39.45 10.0 positive automatic P 31 17.1039 -2.86827 0.930233
AT.SMY.BHZ. 2021-08-14T12:01:34.44 10.0 positive automatic P 273 16.5938 -1.45262 0.793651
US.WRAK.BHZ.00 2021-08-14T12:01:04.43 10.0 positive automatic P 75 14.2410 -0.434853 0.963855
AT.CRAG.BHZ. 2021-08-14T12:00:58.76 10.0 positive automatic P 79 13.9401 -1.99482 0.961538
AT.SKAG.BHZ. 2021-08-14T12:00:44.84 10.0 positive automatic P 62 12.7284 0.618059 0.813008
IU.ADK.BHZ.00 2021-08-14T12:00:29.52 10.0 positive automatic P 261 11.6803 -0.371172 0.97561
AK.TNA.BHZ. 2021-08-14T12:00:27.35 10.0 positive automatic P 338 11.3769 1.61407 0.763359
AK.GAMB.BHZ. 2021-08-14T12:00:21.65 10.0 positive automatic P 326 10.9739 1.44475 0.990099
IU.COLA.BHZ.00 2021-08-14T12:00:14.55 10.0 positive automatic P 23 10.7455 -2.57073 0.963855
AT.TTA.BHZ. 2021-08-14T11:59:35.24 10.0 positive automatic P 6 7.6793 0.0269836 0.934579
AT.AKUT.BHZ. 2021-08-14T11:58:54.94 10.0 positive automatic P 259 4.7512 0.110959 0.704225
II.KDAK.BHZ.00 2021-08-14T11:58:39.92 10.0 positive automatic P 47 3.7916 -1.74334 0.952381
TDMT - Time Domain Moment Tensor
Meccanismi di sorgente sismica nell'area
Download
Tipo Descrizione Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download