Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 02-10-2021 and time 18:25:06 (Italy) in region 3 km NW Solofra (AV)

A magnitude ML 2.2 earthquake occured in region: 3 km NW Solofra (AV), on

  • 02-10-2021 16:25:06 (UTC)
  • 02-10-2021 18:25:06 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.8550, 14.8330 at 10 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Solofra AV 3 12495 12495
San Michele di Serino AV 3 2530 15025
Serino AV 3 7034 22059
Santa Lucia di Serino AV 4 1402 23461
Aiello del Sabato AV 4 3958 27419
Cesinali AV 5 2584 30003
Contrada AV 5 3053 33056
Santo Stefano del Sole AV 5 2208 35264
Montoro AV 7 19671 54935
Atripalda AV 7 11020 65955
Avellino AV 7 54857 120812
Volturara Irpina AV 8 3289 124101
Forino AV 8 5384 129485
Sorbo Serpico AV 8 583 130068
Calvanico SA 9 1518 131586
Salza Irpina AV 9 772 132358
San Potito Ultra AV 9 1558 133916
Parolise AV 10 663 134579
Fisciano SA 10 13820 148399
Manocalzati AV 10 3160 151559
Mercato San Severino SA 10 22322 173881
Candida AV 10 1147 175028
Monteforte Irpino AV 11 11467 186495
Bracigliano SA 11 5565 192060
Mercogliano AV 11 12267 204327
Chiusano di San Domenico AV 11 2277 206604
Montefredane AV 12 2297 208901
Ospedaletto d'Alpinolo AV 12 2145 211046
Capriglia Irpina AV 12 2398 213444
Summonte AV 13 1583 215027
Montefalcione AV 13 3359 218386
Baronissi SA 13 17003 235389
Siano SA 13 9979 245368
Grottolella AV 14 1869 247237
Castel San Giorgio SA 14 13702 260939
Castiglione del Genovesi SA 14 1383 262322
Moschiano AV 15 1673 263995
Pratola Serra AV 15 3764 267759
Prata di Principato Ultra AV 15 2944 270703
San Cipriano Picentino SA 15 6631 277334
Pellezzano SA 16 10965 288299
Quindici AV 16 1938 290237
Castelvetere sul Calore AV 16 1615 291852
Roccapiemonte SA 16 9060 300912
Montella AV 16 7780 308692
Sant'Angelo a Scala AV 16 730 309422
Montemarano AV 16 2851 312273
Giffoni Sei Casali SA 16 5264 317537
Cassano Irpino AV 16 982 318519
San Mango sul Calore AV 17 1185 319704
Taurano AV 17 1546 321250
Lauro AV 17 3509 324759
San Mango Piemonte SA 17 2649 327408
Tufo AV 17 889 328297
Lapio AV 18 1572 329869
Altavilla Irpina AV 18 4196 334065
Pietrastornina AV 18 1553 335618
Giffoni Valle Piana SA 18 12001 347619
Nocera Superiore SA 18 24263 371882
Sarno SA 19 31529 403411
Mugnano del Cardinale AV 19 5373 408784
Montemiletto AV 19 5313 414097
Santa Paolina AV 19 1256 415353
Quadrelle AV 19 1865 417218
Castelfranci AV 20 2041 419259
Pago del Vallo di Lauro AV 20 1830 421089
Torre Le Nocelle AV 20 1324 422413
Luogosano AV 20 1187 423600
Petruro Irpino AV 20 349 423949
Taurasi AV 20 2377 426326

Municipalities with at least 50000 inhabitants

An earthquake occurred to
7 Km SE of Avellino (54857 inhabitants)
20 Km NE of Cava de' Tirreni (53659 inhabitants)
21 Km NE of Salerno (135261 inhabitants)
28 Km E of Scafati (50787 inhabitants)
30 Km NW of Battipaglia (50786 inhabitants)
31 Km S of Benevento (60091 inhabitants)
35 Km NE of Castellammare di Stabia (66466 inhabitants)
40 Km E of Torre del Greco (86275 inhabitants)
40 Km E of Acerra (59573 inhabitants)
40 Km E of Portici (55274 inhabitants)
41 Km E of Ercolano (53709 inhabitants)
45 Km E of Afragola (65057 inhabitants)
46 Km E of Casoria (77642 inhabitants)
49 Km SE of Caserta (76326 inhabitants)
49 Km E of Napoli (974074 inhabitants)
54 Km E of Giugliano in Campania (122974 inhabitants)
54 Km E of Marano di Napoli (59874 inhabitants)
54 Km E of Aversa (53047 inhabitants)
62 Km E of Pozzuoli (81661 inhabitants)
85 Km W of Potenza (67122 inhabitants)
90 Km SW of Foggia (151991 inhabitants)
Recent and historical seismicity

These maps show the seismic activity in different time intervals, before the seismic event to which they refer. Data reported in the first two maps come from the analysis carried out in real time by the personnel of the INGV Operating Rooms, immediately after each earthquake. The third map shows data from 1985 to the date of the earthquake: the locations are reviewed by the seismological analysts of the INGV Italian Seismic Bulletin (Bollettino Sismico Italiano dell’INGV). The localization parameters (hypocentral coordinates and magnitude) are the best possible estimate with the data available to the INGV, but are constantly updated according to further data that become available. The location and magnitude parameters, subsequently reviewed by seismological analysts, may vary.

Earthquakes of the 3 days preceding this event

Earthquakes of the 3 days preceding this event

This map shows the earthquake epicenters with magnitude ≥ 0.0, localized with data recorded by the National Seismic Network and other collaborative networks both in Italy and in neighboring countries, in the 72 hours preceding this event. The size of the circle indicates the different classes of magnitude. The colors indicate the different time intervals preceding the seismic event. The black and white star is the epicenter of the current earthquake.
Earthquakes of the 90 days preceding this event

Earthquakes of the 90 days preceding this event

This map shows the earthquake epicenters with magnitude ≥ 2.0, localized with data recorded by the National Seismic Network and other collaborative networks both in Italy and in neighboring countries, in the 90 days preceding this event. The size of the circle indicates the different classes of magnitude. The colors indicate the different time intervals preceding the seismic event. The black and white star is the epicenter of the current earthquake.
Earthquakes from 1985 to the date of the event

Earthquakes from 1985 to the date of the event

This map shows the earthquake epicenters with magnitude ≥ 3.0, localized with data recorded by the National Seismic Network and other collaborative networks both in Italy and in neighboring countries, from 1985 to the date of this event. The size of the circle indicates the different classes of magnitude. The colors indicate the different time intervals preceding the seismic event. The black and white star is the epicenter of the current earthquake.
Earthquakes since 1000 AD until 2019

Earthquakes since 1000 AD until 2019

This map shows the epicenters of the historical earthquakes catalogue CPT15 (Catalogo Parametrico dei Terremoti Italiani, 2015 version 3.0, https://doi.org/10.13127/cpti/cpti15.3) since 1000 AD until 2019. The size of the square indicates the different classes of magnitude. For earthquakes with magnitude ≥ 6.0, it is also shown the year of occurrence and the magnitude value. The black and white star is the epicenter of the current earthquake.
Seismic hazard

Seismic hazard maps provide probabilistic estimates of the earthquake ground shaking exceeding a given threshold in a given geographic region within a given time window. Thus, it is not a deterministic prediction - a target that may be never reached given the complexity of the earthquake physical phenomenon - nor of the maximum expected earthquake since this has extremely low probabilities to occur.

In 2004, it was published the seismic hazard map of Italy (http://zonesismiche.mi.ingv.it) that provides a picture of the most hazardous geographic regions. The seismic hazard map of Italy (GdL MPS, 2004; rif. Ordinanza PCM del 28 aprile 2006, n. 3519, All. 1b) provides the 10% probability of exceedance in 50 years of the horizontal acceleration at rock sites (i.e., Vs30>800 m/s; cat. A, 3.2.1 of the D.M. 14.09.2005).

The colours indicate the various values of the ground acceleration that have 10% to be exceeded within 50 years. In general, the colours associated to low values of acceleration refer to areas that are less hazardous and stronger earthquakes repeat less frequently although they may still occur.

Seismic hazard map

Seismic hazard map

This map shows the seismic hazard map of Italy for the region where the earthquake occurred.
Shakemap
Felt maps
Preliminary map of the earthquake effects from the web questionnaire

Preliminary map of the earthquake effects from the web questionnaire

This map shows the distribution of earthquake resentment in the area, expressed in terms of intensity on the MCS scale (Mercalli-Cancani-Sieberg). Intensities are determined using data from questionnaires collected on the website http://www.hsit.it. The intensities shown are determined considering all the reports received from each municipality, and are all the more reliable the greater the number of questionnaires. The collected data are subjected to an automatic statistical filter, but are not checked individually. In particular, intensities greater than or equal to the VI degree of the MCS or EMS scale require on-site verification by specialized personnel. The black star is the epicenter of the earthquake that occurred. This map is updated every time citizens fill out new questionnaires. The number of questionnaires processed to obtain this map, the date and time of the last update are shown at the top right.
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Bulletin
Rev1000 		ML 2.2 2021-10-02
16:25:06		 40.8547 14.8332 10 2022-03-30
13:04:15		 Bollettino Sismico Italiano INGV 97387431
Reviewed
Rev100 		ML 2.2 2021-10-02
16:25:06		 40.8568 14.8317 9 2021-10-02
16:37:32		 Sala Sismica INGV-Roma 96142871
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-10-02 16:25:06 ± 0.09
Latitude 40.8547 ± 0.0072
Longitude 14.8332 ± 0.0059
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 97387431

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 759
Semi-minor axis of confidence ellipse (meter) 168
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 11
Circular confidence region, given by single value of horizontal uncertainty (meter) 760.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 124
Number of associated phases, regardless of their use for origin computation 37
Number of defining phases 37
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.07644
Epicentral distance of station farthest from the epicenter (degree) 1.12955
Number of stations at which the event was observed 29
Number of stations from which data was used for origin computation 29
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 54
Type of magnitude ML
Reference to an origin 97387431
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-02-07 17:08:13

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 54
Type of magnitude ML
Reference to an origin 96142871
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-10-02 16:37:32
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.SGRT.HHZ. 2021-10-02T16:25:28.21 0.6 undecidable manual P 37 1.1295 50 0.99 30
IV.APRC.HHZ. 2021-10-02T16:25:27.26 0.6 undecidable manual P 30 1.0477 50 1.44 24
IV.BSSO.HHZ. 2021-10-02T16:25:20.04 0.3 undecidable manual P 345 0.7141 50 -0.07 66
IV.VAGA.HHZ. 2021-10-02T16:25:20.16 0.3 undecidable manual P 321 0.7195 50 -0.04 67
IX.CMP3.EHE.02 2021-10-02T16:25:18.48 0.6 undecidable manual S 137 0.2761 50 1.26 31
IX.SALI.HNZ.01 2021-10-02T16:25:17.72 0.3 undecidable manual S 74 0.2725 50 0.59 64
IX.SRN3.HHZ. 2021-10-02T16:25:17.99 0.3 undecidable manual P 128 0.5998 50 -0.17 66
IV.SGTA.HHZ. 2021-10-02T16:25:16.53 0.3 undecidable manual P 55 0.4892 50 0.26 67
IX.LIO3.HHZ.02 2021-10-02T16:25:16.68 1.0 undecidable manual S 81 0.2662 50 -0.25 23
IX.RSF3.HNZ.02 2021-10-02T16:25:16.88 0.3 undecidable manual S 67 0.2815 50 -0.51 66
IV.CDRU.HHZ. 2021-10-02T16:25:16.27 0.3 undecidable manual P 135 0.5108 50 -0.36 65
IX.CLT3.EHZ.02 2021-10-02T16:25:15.89 0.6 undecidable manual P 83 0.4344 50 0.57 42
IX.NSC3.EHZ.02 2021-10-02T16:25:15.46 0.3 undecidable manual S 92 0.2185 112 0.06 73
IX.LGS3.HNZ.01 2021-10-02T16:25:14.55 0.3 undecidable manual S 42 0.1772 116 0.6 65
IV.PSB1.HHZ. 2021-10-02T16:25:14.38 0.3 undecidable manual P 357 0.3687 50 0.17 70
IV.VVDG.HHZ. 2021-10-02T16:25:13.07 0.6 undecidable manual P 267 0.3103 50 -0.13 47
IV.CRTO.HHZ. 2021-10-02T16:25:13.75 0.3 undecidable manual P 264 0.3121 50 0.51 65
IV.VBKN.HHZ. 2021-10-02T16:25:13.43 0.3 undecidable manual P 266 0.3058 50 0.3 69
IV.VTIR.HHZ. 2021-10-02T16:25:13.47 0.3 undecidable manual P 261 0.3130 50 0.22 70
IV.VCRE.HHZ. 2021-10-02T16:25:13.16 0.3 undecidable manual P 263 0.3058 50 0.03 72
IV.VITU.HHZ. 2021-10-02T16:25:13.45 0.3 undecidable manual P 335 0.3624 50 -0.64 61
IV.SNAL.HHZ. 2021-10-02T16:25:12.75 0.1 positive manual P 76 0.2923 50 -0.15 95
IV.PAOL.HHZ. 2021-10-02T16:25:12.14 0.3 undecidable manual P 311 0.2671 50 -0.32 69
IX.RSF3.HNZ.02 2021-10-02T16:25:12.09 0.3 undecidable manual P 67 0.2815 50 -0.62 63
IX.SNR3.EHZ.02 2021-10-02T16:25:12.84 0.3 undecidable manual P 113 0.2968 50 -0.13 71
IX.MNT3.EHZ.02 2021-10-02T16:25:12.42 0.3 undecidable manual S 98 0.1322 124 -0.02 75
IV.MRB1.HHZ. 2021-10-02T16:25:12.51 0.3 undecidable manual P 21 0.2869 50 -0.29 69
IX.SALI.HNZ.01 2021-10-02T16:25:12.42 0.1 undecidable manual P 74 0.2725 50 -0.14 95
IX.CMP3.EHE.02 2021-10-02T16:25:12.80 0.3 undecidable manual P 137 0.2761 50 0.19 71
IV.MCRV.HHZ. 2021-10-02T16:25:12.22 0.3 undecidable manual P 106 0.2635 50 -0.19 71
IX.LIO3.HHZ.02 2021-10-02T16:25:12.21 0.3 undecidable manual P 81 0.2662 50 -0.23 70
IX.NSC3.EHZ.02 2021-10-02T16:25:11.32 0.1 undecidable manual P 92 0.2185 112 -0.24 94
IV.NL9.EHZ. 2021-10-02T16:25:11.50 0.3 undecidable manual P 287 0.2275 111 -0.24 71
IX.LGS3.HNZ.01 2021-10-02T16:25:10.71 0.3 undecidable manual P 42 0.1772 116 -0.01 75
IT.AVL.HNZ. 2021-10-02T16:25:10.98 0.3 undecidable manual S 333 0.0764 139 0.17 74
IX.MNT3.EHZ.02 2021-10-02T16:25:09.74 0.1 negative manual P 98 0.1322 124 -0.11 98
IT.AVL.HNZ. 2021-10-02T16:25:08.83 0.1 undecidable manual P 333 0.0764 139 -0.08 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IX.MNT3.HNE.01 ML:2.5 0.0028650000000000004 0.78 AML other m 2021-10-02T16:25:13.15
IX.MNT3.EHE.02 ML:2.5 0.0031349999999999998 0.76 AML other m 2021-10-02T16:25:13.16
IX.MNT3.EHN.02 ML:2.7 0.004605000000000001 0.46 AML other m 2021-10-02T16:25:13.59
IX.MNT3.HNN.01 ML:2.6 0.004105 0.6 AML other m 2021-10-02T16:25:14.58
IX.NSC3.EHN.02 ML:2.1 0.000736 0.16 AML other m 2021-10-02T16:25:15.81
IX.LGS3.HNE.01 ML:2.2 0.00123 1.7 AML other m 2021-10-02T16:25:16.04
IX.NSC3.EHE.02 ML:2.1 0.000829 1.84 AML other m 2021-10-02T16:25:16.99
IX.LGS3.HNN.01 ML:2.2 0.00124 0.54 AML other m 2021-10-02T16:25:18.59
IV.MCRV.HHN. ML:2.4 0.0011764999999999998 1.44 AML other m 2021-10-02T16:25:18.26
IV.VTIR.HHE. ML:2.1 0.0005290000000000001 0.62 AML other m 2021-10-02T16:25:19.29
IV.MCRV.HHE. ML:1.9 0.0004365 0.6 AML other m 2021-10-02T16:25:19.44
IV.MRB1.HNE. ML:2.2 0.000661 0.42 AML other m 2021-10-02T16:25:19.85
IV.MRB1.HHE. ML:2.2 0.000746 0.42 AML other m 2021-10-02T16:25:19.85
IX.SNR3.HNN.01 ML:2.4 0.0012349999999999998 0.22 AML other m 2021-10-02T16:25:20.06
IX.SNR3.EHN.02 ML:2.4 0.001165 0.22 AML other m 2021-10-02T16:25:20.06
IV.PAOL.HNN. ML:2.2 0.0007889999999999999 0.52 AML other m 2021-10-02T16:25:21.65
IV.PAOL.HHN. ML:2.2 0.0008300000000000001 0.3 AML other m 2021-10-02T16:25:21.65
IV.PAOL.HNE. ML:2.2 0.000744 1.62 AML other m 2021-10-02T16:25:21.83
IV.PAOL.HHE. ML:2.2 0.000734 0.64 AML other m 2021-10-02T16:25:21.52
IV.VTIR.HHN. ML:2.1 0.0005535 1.2 AML other m 2021-10-02T16:25:21.33
IV.VCRE.HHN. ML:2.4 0.001136 0.72 AML other m 2021-10-02T16:25:23.61
IV.PSB1.HHN. ML:1.6 0.00014950000000000003 0.4 AML other m 2021-10-02T16:25:23.50
IV.MRB1.HHN. ML:2.5 0.0014299999999999998 0.44 AML other m 2021-10-02T16:25:23.76
IV.MRB1.HNN. ML:2.5 0.0013434999999999999 0.44 AML other m 2021-10-02T16:25:23.76
IX.SNR3.EHE.02 ML:2.1 0.0006129999999999999 0.74 AML other m 2021-10-02T16:25:23.40
IX.SNR3.HNE.01 ML:2.2 0.0006984999999999999 0.74 AML other m 2021-10-02T16:25:23.77
IV.VBKN.HHE. ML:2.7 0.002215 0.8 AML other m 2021-10-02T16:25:24.93
IV.SNAL.HNN. ML:2.0 0.000513 1.12 AML other m 2021-10-02T16:25:25.56
IV.SNAL.HHN. ML:2.0 0.0005375000000000001 1.08 AML other m 2021-10-02T16:25:25.55
IV.VITU.HHE. ML:2.2 0.0005815 0.62 AML other m 2021-10-02T16:25:25.61
IV.PSB1.HHE. ML:1.6 0.00014800000000000002 0.6 AML other m 2021-10-02T16:25:25.48
IV.VCRE.HHE. ML:2.6 0.00152 0.54 AML other m 2021-10-02T16:25:26.82
IV.SNAL.HHE. ML:2.0 0.00044500000000000003 0.78 AML other m 2021-10-02T16:25:26.60
IV.SNAL.HNE. ML:2.0 0.000432 0.78 AML other m 2021-10-02T16:25:26.60
IV.VBKN.HHN. ML:2.6 0.001605 1.54 AML other m 2021-10-02T16:25:29.93
IV.CRTO.HHE. ML:2.8 0.00262 1.58 AML other m 2021-10-02T16:25:30.05
IV.SGTA.HHN. ML:1.4 0.0000655 0.66 AML other m 2021-10-02T16:25:31.78
IV.CRTO.HHN. ML:2.7 0.001945 0.52 AML other m 2021-10-02T16:25:31.40
IV.CDRU.HHN. ML:1.6 0.00009525 0.24 AML other m 2021-10-02T16:25:31.78
IV.VITU.HHN. ML:2.2 0.00047999999999999996 0.62 AML other m 2021-10-02T16:25:31.56
IV.CDRU.HHE. ML:1.5 0.00007445000000000001 0.52 AML other m 2021-10-02T16:25:31.89
IV.SGTA.HHE. ML:1.5 0.00008065 0.72 AML other m 2021-10-02T16:25:32.38
IX.SRN3.HHE.02 ML:2.0 0.00017299999999999998 0.32 AML other m 2021-10-02T16:25:33.88
IX.SRN3.HHN.02 ML:2.0 0.00017199999999999998 0.54 AML other m 2021-10-02T16:25:33.64
IV.BSSO.HHE. ML:2.2 0.0001985 0.52 AML other m 2021-10-02T16:25:36.33
IV.BSSO.HHN. ML:2.0 0.0001575 0.58 AML other m 2021-10-02T16:25:36.68
IV.VAGA.HHE. ML:1.5 0.000043650000000000004 1.42 AML other m 2021-10-02T16:25:41.78
IV.VAGA.HHN. ML:2.0 0.000128 0.54 AML other m 2021-10-02T16:25:42.70
IV.APRC.HHE. ML:2.3 0.00014500000000000003 0.52 AML other m 2021-10-02T16:25:43.40
IX.PGN3.HHE.02 ML:1.8 0.00007055000000000001 0.4 AML other m 2021-10-02T16:25:44.69
IX.PGN3.HHN.02 ML:1.8 0.0000717 1.54 AML other m 2021-10-02T16:25:45.91
IV.APRC.HHN. ML:2.2 0.0001275 0.78 AML other m 2021-10-02T16:25:46.59
IV.SGRT.HHE. ML:2.1 0.0000788 0.48 AML other m 2021-10-02T16:25:46.60
IV.SGRT.HHN. ML:2.0 0.00006584999999999999 0.88 AML other m 2021-10-02T16:25:46.64
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Fault Plane solutions

Fault Plane solutions

The map reports the fault plane solutions for earthquakes in the region from 1977 to the date of this event. Red moment tensors are determined using the Regional Centroid Moment Tensor technique (RCMT, http://www.bo.ingv.it/RCMT) applied for earthquakes with magnitude larger than 4.5 in the Euro-Mediterranenan area. Occasionally, when a station azimuthal coverage exists RCMTs can be obtained also for earthquakes with magnitude down to 4.0. The gray moment tensors are obtained with the Time Domain Moment Tensor method (TDMT, /tdmt). This technique is applied to earthquakes with magnitude ML greater than 3.2, when it is possible. The size of symbols scales with the calculated moment magnitude Mw.
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
Waveforms Seismic signals in miniseed + resp format Download