Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 20-06-2023 and time 03:41:26 (UTC) in region 5 km SW Stroncone (TR)

A magnitude ML 2.2 earthquake occured in region: 5 km SW Stroncone (TR), on

  • 20-06-2023 03:41:26 (UTC)
  • 20-06-2023 05:41:26 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.4720, 12.6160 at 8 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.

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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
Stroncone TR 5 4917 4917
Configni RI 6 633 5550
Calvi dell'Umbria TR 9 1856 7406
Cottanello RI 9 563 7969
Vacone RI 10 256 8225
Narni TR 10 19785 28010
Terni TR 10 111501 139511
Montasola RI 11 395 139906
Montebuono RI 12 883 140789
Otricoli TR 12 1869 142658
Greccio RI 13 1558 144216
Tarano RI 13 1444 145660
Torri in Sabina RI 13 1256 146916
Colli sul Velino RI 14 533 147449
Contigliano RI 14 3783 151232
Casperia RI 15 1246 152478
Collevecchio RI 16 1577 154055
Labro RI 16 374 154429
Magliano Sabina RI 16 3774 158203
San Gemini TR 17 5018 163221
Selci RI 17 1106 164327
Roccantica RI 18 563 164890
Arrone TR 18 2763 167653
Cantalupo in Sabina RI 18 1685 169338
Montefranco TR 19 1276 170614
Morro Reatino RI 19 373 170987
Orte VT 19 8923 179910
Amelia TR 19 11897 191807
Forano RI 19 3179 194986
Stimigliano RI 20 2328 197314

Municipalities with at least 50000 inhabitants

An earthquake occurred to
10 Km S of Terni (111501 inhabitants)
42 Km E of Viterbo (67173 inhabitants)
53 Km N of Guidonia Montecelio (88673 inhabitants)
54 Km S of Foligno (57155 inhabitants)
58 Km N of Tivoli (56533 inhabitants)
65 Km N of Roma (2864731 inhabitants)
66 Km W of L'Aquila (69753 inhabitants)
73 Km S of Perugia (166134 inhabitants)
80 Km NE of Civitavecchia (52991 inhabitants)
84 Km NE of Fiumicino (78395 inhabitants)
88 Km N of Velletri (53303 inhabitants)
90 Km N of Pomezia (62966 inhabitants)
92 Km W of Teramo (54892 inhabitants)
98 Km N of Aprilia (73446 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 		ML 2.2 2023-06-20
03:41:26		 42.4717 12.6162 8 2023-06-20
03:53:05		 Sala Sismica INGV-Roma 118576951
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-06-20 03:41:26 ± 0.07
Latitude 42.4717 ± 0.0036
Longitude 12.6162 ± 0.0049
Depth (km) 8 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 118576951

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 358
Semi-minor axis of confidence ellipse (meter) 221
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 139
Circular confidence region, given by single value of horizontal uncertainty (meter) 360.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 74
Number of associated phases, regardless of their use for origin computation 72
Number of defining phases 52
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.80579
Number of stations at which the event was observed 43
Number of stations from which data was used for origin computation 26
Magnitude information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 86
Type of magnitude ML
Reference to an origin 118576951
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-06-20 03:53:05
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
OT.OT17.EHZ. 2023-06-20T03:42:03.95 3.0 negative manual Pn 1.32 0
IV.CING.HHZ. 2023-06-20T03:42:00.97 3.0 undecidable manual S -0.21 0
IV.ATMI.HHZ. 2023-06-20T03:41:59.60 3.0 undecidable manual S 1.32 0
IV.GUAR.HHZ. 2023-06-20T03:41:56.65 3.0 undecidable manual S 0.13 0
IV.GUMA.HHZ. 2023-06-20T03:41:54.07 1.0 undecidable manual S 42 87.9453 50 0.78 18
IV.MF5.EHZ. 2023-06-20T03:41:53.60 1.0 undecidable manual S 50 89.4438 50 -0.1 22
IV.MURB.HHZ. 2023-06-20T03:41:53.39 1.0 undecidable manual S 355 88.1451 50 0.05 22
IV.CSP1.EHZ. 2023-06-20T03:41:52.93 1.0 undecidable manual S 35 83.8494 50 0.73 18
IV.ATCC.EHZ. 2023-06-20T03:41:51.05 0.6 undecidable manual S 1 79.1652 50 0.09 44
IV.MPAG.EHZ. 2023-06-20T03:41:50.82 3.0 negative manual P 2.26 0
IV.MMO1.EHZ. 2023-06-20T03:41:50.47 0.6 undecidable manual S 50 74.8695 50 0.66 38
IV.MML1.EHZ. 2023-06-20T03:41:50.69 0.6 undecidable manual S 22 76.8675 50 0.35 42
IV.RCAV.EHZ. 2023-06-20T03:41:50.85 3.0 undecidable manual S 0.19 0
IV.FDMO.HHZ. 2023-06-20T03:41:49.90 1.0 undecidable manual S 31 73.4709 50 0.47 21
IV.SACS.HHZ. 2023-06-20T03:41:48.78 0.6 undecidable manual S 306 71.2731 50 -0.05 45
IV.CESI.HHZ. 2023-06-20T03:41:47.26 0.6 undecidable manual S 22 63.6918 50 0.45 42
IV.CERT.HHZ. 2023-06-20T03:41:47.99 3.0 undecidable manual S 0.07 0
IV.CAMP.HHZ. 2023-06-20T03:41:47.73 0.6 undecidable manual S 83 65.1903 50 0.5 42
IV.ASSB.HHZ. 2023-06-20T03:41:47.56 0.6 undecidable manual S 3 63.492 50 0.81 37
IV.FRON.EHZ. 2023-06-20T03:41:47.26 3.0 positive manual P 0.25 0
IV.CAFI.HHZ. 2023-06-20T03:41:46.83 3.0 negative manual P 0.82 0
IV.MGAB.HHZ. 2023-06-20T03:41:46.86 0.6 undecidable manual S 320 63.8916 50 -0.01 46
IV.ATPI.EHZ. 2023-06-20T03:41:46.06 3.0 negative manual P -0.02 0
IV.T0110.HHZ. 2023-06-20T03:41:45.13 3.0 negative manual P 1.09 0
IV.CING.HHZ. 2023-06-20T03:41:45.71 3.0 undecidable manual P -0.34 0
IV.NRCA.HHZ. 2023-06-20T03:41:45.25 0.6 undecidable manual S 45 57.0984 50 0.18 45
IV.OFFI.HHZ. 2023-06-20T03:41:45.17 3.0 negative manual P 0.78 0
IV.ATMI.HHZ. 2023-06-20T03:41:44.60 3.0 positive manual P 0.18 0
IV.ATFO.HHZ. 2023-06-20T03:41:44.75 3.0 positive manual P 0.48 0
IV.MTCE.HHZ. 2023-06-20T03:41:43.76 0.6 undecidable manual S 168 50.8158 50 0.37 44
IV.BARO.EHZ. 2023-06-20T03:41:43.94 0.6 undecidable manual S 242 52.503 50 0.1 46
IV.FOSV.EHZ. 2023-06-20T03:41:42.56 3.0 negative manual P -0.45 0
IV.SNTG.HHZ. 2023-06-20T03:41:42.09 3.0 undecidable manual P -0.66 0
IV.MF5.EHZ. 2023-06-20T03:41:42.58 0.6 negative manual P 50 89.4438 50 0.31 41
IV.RM33.EHZ. 2023-06-20T03:41:42.99 0.6 undecidable manual S 85 49.1175 50 0.06 47
IV.GUMA.HHZ. 2023-06-20T03:41:42.52 0.6 negative manual P 42 87.9453 50 0.49 40
IV.MURB.HHZ. 2023-06-20T03:41:42.60 0.1 negative manual P 355 88.1451 50 0.54 79
IV.FIAM.HHZ. 2023-06-20T03:41:41.93 0.6 undecidable manual S 119 46.8198 50 -0.4 44
IV.CSP1.EHZ. 2023-06-20T03:41:41.22 0.6 undecidable manual P 35 83.8494 50 -0.19 43
IV.ATCC.EHZ. 2023-06-20T03:41:40.66 0.6 positive manual P 1 79.1652 50 -0.03 45
IV.TERO.HHZ. 2023-06-20T03:41:40.88 3.0 negative manual P -0.38 0
IV.MML1.EHZ. 2023-06-20T03:41:40.01 0.6 positive manual P 22 76.8675 50 -0.32 42
IV.FDMO.HHZ. 2023-06-20T03:41:39.54 0.6 positive manual P 31 73.4709 50 -0.27 43
IV.RCAV.EHZ. 2023-06-20T03:41:39.26 3.0 undecidable manual P -0.88 0
IV.LNSS.HHZ. 2023-06-20T03:41:39.70 0.6 undecidable manual S 67 37.629 50 -0.16 47
IV.SACS.HHZ. 2023-06-20T03:41:39.70 1.0 negative manual P 306 71.2731 50 0.24 22
IV.LATE.HHZ. 2023-06-20T03:41:39.40 3.0 positive manual P -0.05 0
IV.MMO1.EHZ. 2023-06-20T03:41:39.74 0.6 positive manual P 50 74.8695 50 -0.29 43
IV.MOMA.HNE. 2023-06-20T03:41:39.36 0.6 undecidable manual S 354 37.0296 50 -0.35 45
IT.GNU.HGE. 2023-06-20T03:41:39.02 0.6 undecidable manual S 354 37.0296 50 -0.69 41
IV.CESI.HHZ. 2023-06-20T03:41:38.01 0.1 positive manual P 22 63.6918 50 -0.28 88
IV.MGAB.HHZ. 2023-06-20T03:41:38.19 1.0 undecidable manual P 320 63.8916 50 -0.14 23
IV.GAVE.HNE. 2023-06-20T03:41:38.35 0.6 undecidable manual S 43 33.4443 103 -0.21 47
IV.CAMP.HHZ. 2023-06-20T03:41:38.83 0.6 negative manual P 83 65.1903 50 0.29 44
IV.ASSB.HHZ. 2023-06-20T03:41:37.89 0.1 positive manual P 3 63.492 50 -0.37 86
IT.MMP1.HGN. 2023-06-20T03:41:36.38 0.6 undecidable manual S 156 26.9508 106 -0.02 49
IV.MTCE.HHZ. 2023-06-20T03:41:36.43 0.6 positive manual P 168 50.8158 50 0.11 46
IV.BARO.EHZ. 2023-06-20T03:41:36.54 0.6 negative manual P 242 52.503 50 -0.04 47
IV.NRCA.HHZ. 2023-06-20T03:41:36.93 0.1 positive manual P 45 57.0984 50 -0.36 87
IV.RM33.EHZ. 2023-06-20T03:41:35.71 0.3 negative manual P 85 49.1175 50 -0.34 67
IV.FIAM.HHZ. 2023-06-20T03:41:35.42 0.6 undecidable manual P 119 46.8198 50 -0.28 45
IV.ORTE.EHE. 2023-06-20T03:41:34.15 0.6 undecidable manual S 266 18.9699 113 0.36 47
IV.MOMA.HNE. 2023-06-20T03:41:34.08 1.0 undecidable manual P 354 37.0296 50 -0.11 24
IV.ARRO.EHZ. 2023-06-20T03:41:33.39 1.0 undecidable manual S 46 17.0718 115 0.2 24
IV.GAVE.HNE. 2023-06-20T03:41:33.32 0.1 undecidable manual P 43 33.4443 103 -0.21 94
IV.LNSS.HHZ. 2023-06-20T03:41:33.95 0.3 undecidable manual P 67 37.629 50 -0.33 68
IT.GNU.HGE. 2023-06-20T03:41:33.69 0.1 undecidable manual P 354 37.0296 50 -0.5 88
IT.MMP1.HGN. 2023-06-20T03:41:32.60 0.6 undecidable manual P 156 26.9508 106 0.32 46
IV.CESX.HHZ. 2023-06-20T03:41:32.86 0.6 undecidable manual S 351 15.3735 117 0.21 49
IV.CESX.HHZ. 2023-06-20T03:41:30.19 0.1 positive manual P 351 15.3735 117 0.07 100
IV.ARRO.EHZ. 2023-06-20T03:41:30.61 0.1 negative manual P 46 17.0718 115 0.18 97
IV.ORTE.EHE. 2023-06-20T03:41:30.75 0.1 undecidable manual P 266 18.9699 113 -0.03 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ARRO.EHN. ML:2.5 0.002685 1.14 AML other m 2023-06-20T03:41:34.87
IV.ARRO.EHE. ML:2.3 0.0019399999999999999 1.3 AML other m 2023-06-20T03:41:35.94
IV.CESX.HHE. ML:2.3 0.0020499999999999997 1.6 AML other m 2023-06-20T03:41:36.17
IV.CESX.HHN. ML:2.6 0.004375 0.44 AML other m 2023-06-20T03:41:36.60
IV.LNSS.HHE. ML:2.5 0.0011799999999999998 0.32 AML other m 2023-06-20T03:41:41.18
IV.LNSS.HNE. ML:2.5 0.0011175 0.56 AML other m 2023-06-20T03:41:42.81
IV.LNSS.HHN. ML:2.4 0.0010785 0.46 AML other m 2023-06-20T03:41:42.55
IV.LNSS.HNN. ML:2.4 0.0009 0.44 AML other m 2023-06-20T03:41:42.56
IV.NRCA.HHE. ML:2.4 0.0005124999999999999 0.18 AML other m 2023-06-20T03:41:45.83
IV.RM33.EHE. ML:2.4 0.0006005 0.3 AML other m 2023-06-20T03:41:46.53
IV.RM33.HNE. ML:2.4 0.00062 0.3 AML other m 2023-06-20T03:41:46.38
IV.RM33.HNN. ML:2.3 0.000496 0.54 AML other m 2023-06-20T03:41:47.36
IV.RM33.EHN. ML:2.3 0.000519 0.52 AML other m 2023-06-20T03:41:47.37
IV.MTCE.HHN. ML:2.1 0.0003175 0.44 AML other m 2023-06-20T03:41:48.11
IV.CESI.HHN. ML:2.6 0.000756 0.26 AML other m 2023-06-20T03:41:48.25
IV.BARO.EHN. ML:1.9 0.000191 0.38 AML other m 2023-06-20T03:41:48.46
IV.CESI.HHE. ML:2.3 0.0003695 0.38 AML other m 2023-06-20T03:41:48.40
IV.FIAM.HNN. ML:2.1 0.00033899999999999995 0.98 AML other m 2023-06-20T03:41:48.12
IV.ASSB.HHE. ML:2.1 0.00022600000000000002 0.54 AML other m 2023-06-20T03:41:48.83
IV.NRCA.HHN. ML:2.3 0.00040100000000000004 0.7 AML other m 2023-06-20T03:41:48.62
IV.ASSB.HHN. ML:2.1 0.0002185 1.08 AML other m 2023-06-20T03:41:48.97
IV.FIAM.HNE. ML:2.1 0.000364 0.7 AML other m 2023-06-20T03:41:49.69
IV.MGAB.HHN. ML:2.2 0.000288 0.66 AML other m 2023-06-20T03:41:49.98
IV.MGAB.HHE. ML:2.2 0.0003375 1.66 AML other m 2023-06-20T03:41:50.84
IV.BARO.EHE. ML:1.8 0.00014600000000000003 0.92 AML other m 2023-06-20T03:41:50.50
IV.MGAB.HNE. ML:2.3 0.000343 1.58 AML other m 2023-06-20T03:41:50.83
IV.FIAM.HHN. ML:2.0 0.0002965 0.4 AML other m 2023-06-20T03:41:50.10
IV.FIAM.HHE. ML:1.9 0.00022799999999999999 1.18 AML other m 2023-06-20T03:41:50.70
IV.LATE.HHN. ML:2.5 0.0005605 0.46 AML other m 2023-06-20T03:41:50.51
IV.FDMO.HHN. ML:2.3 0.000317 0.3 AML other m 2023-06-20T03:41:50.89
IV.FDMO.HHE. ML:2.5 0.000482 1.76 AML other m 2023-06-20T03:41:50.94
IV.CERT.HHE. ML:1.7 0.00010164999999999999 1.3 AML other m 2023-06-20T03:41:51.33
IV.MML1.EHE. ML:2.4 0.000339 0.26 AML other m 2023-06-20T03:41:52.17
IV.MMO1.EHN. ML:2.2 0.00026749999999999994 0.28 AML other m 2023-06-20T03:41:52.68
IV.SACS.HHE. ML:1.8 0.00010855000000000001 1.24 AML other m 2023-06-20T03:41:52.64
IV.MML1.EHN. ML:2.2 0.0002275 0.26 AML other m 2023-06-20T03:41:52.53
IV.FRON.EHN. ML:1.8 0.000056049999999999994 1.2 AML other m 2023-06-20T03:41:52.16
IV.CERT.HHN. ML:2.0 0.0001855 1.26 AML other m 2023-06-20T03:41:53.00
IV.LATE.HHE. ML:2.2 0.000263 0.4 AML other m 2023-06-20T03:41:53.17
IV.CAMP.HHE. ML:1.8 0.0001325 0.76 AML other m 2023-06-20T03:41:53.30
IV.RCAV.EHN. ML:2.1 0.00020600000000000002 0.32 AML other m 2023-06-20T03:41:53.34
IV.TERO.HHE. ML:2.1 0.000157 0.8 AML other m 2023-06-20T03:41:53.53
IV.MMO1.EHE. ML:2.2 0.0002535 0.44 AML other m 2023-06-20T03:41:54.51
IV.MGAB.HNN. ML:2.2 0.0003325 0.56 AML other m 2023-06-20T03:41:54.59
IV.CSP1.EHE. ML:2.6 0.000461 0.24 AML other m 2023-06-20T03:41:54.36
IV.SACS.HHN. ML:2.0 0.0001455 1.2 AML other m 2023-06-20T03:41:54.13
IV.CSP1.EHN. ML:2.6 0.000521 1.2 AML other m 2023-06-20T03:41:54.36
IV.MTCE.HHE. ML:1.8 0.00016399999999999997 1.56 AML other m 2023-06-20T03:41:55.80
IV.TERO.HHN. ML:2.1 0.00016849999999999998 0.22 AML other m 2023-06-20T03:41:55.31
IV.RCAV.EHE. ML:2.2 0.000216 1.1 AML other m 2023-06-20T03:41:55.71
IV.GUAR.HHE. ML:2.1 0.00013700000000000002 0.24 AML other m 2023-06-20T03:41:56.75
IV.SNTG.HHN. ML:1.9 0.0000939 1.76 AML other m 2023-06-20T03:41:56.02
IV.MURB.HHE. ML:2.8 0.0007949999999999999 0.3 AML other m 2023-06-20T03:41:57.91
IV.MURB.HNE. ML:2.8 0.000746 0.28 AML other m 2023-06-20T03:41:57.77
IV.CAMP.HHN. ML:1.9 0.00016 0.58 AML other m 2023-06-20T03:41:58.35
IV.MF5.EHN. ML:2.3 0.0002405 0.4 AML other m 2023-06-20T03:41:58.37
IV.FOSV.EHE. ML:2.0 0.00011499999999999999 0.4 AML other m 2023-06-20T03:41:59.27
IV.ATCC.HNN. ML:2.3 0.0003115 0.34 AML other m 2023-06-20T03:41:59.65
IV.ATCC.EHN. ML:2.3 0.000279 0.6 AML other m 2023-06-20T03:41:59.49
IV.GUMA.HHE. ML:2.4 0.0003195 1.12 AML other m 2023-06-20T03:42:00.65
IV.GUMA.HNN. ML:2.5 0.0003795 0.44 AML other m 2023-06-20T03:42:00.13
IV.ATCC.HNE. ML:2.4 0.0003195 0.54 AML other m 2023-06-20T03:42:00.41
IV.ATCC.EHE. ML:2.3 0.0002605 0.46 AML other m 2023-06-20T03:42:00.45
IV.MURB.HNN. ML:2.8 0.0007965 0.34 AML other m 2023-06-20T03:42:00.77
IV.MURB.HHN. ML:2.9 0.000918 0.34 AML other m 2023-06-20T03:42:00.77
IV.SNTG.HHE. ML:1.9 0.000094 0.6 AML other m 2023-06-20T03:42:00.59
IV.FOSV.EHN. ML:2.0 0.00011005 1.66 AML other m 2023-06-20T03:42:00.11
IV.GUAR.HHN. ML:2.2 0.000186 0.38 AML other m 2023-06-20T03:42:01.42
IV.ATFO.HHN. ML:2.1 0.000123 1.46 AML other m 2023-06-20T03:42:01.76
IV.ATFO.HHE. ML:2.2 0.0001485 1.06 AML other m 2023-06-20T03:42:02.30
IV.CING.HHE. ML:1.9 0.00007045 0.64 AML other m 2023-06-20T03:42:04.06
IV.CAFI.HHN. ML:1.8 0.0000605 1.1 AML other m 2023-06-20T03:42:04.70
IV.ATMI.HHN. ML:2.6 0.0003845 0.38 AML other m 2023-06-20T03:42:04.01
IV.MF5.EHE. ML:2.3 0.00021300000000000003 0.44 AML other m 2023-06-20T03:42:04.71
IV.ATPI.EHE. ML:2.0 0.00007980000000000002 1.56 AML other m 2023-06-20T03:42:04.99
IV.CING.HHN. ML:2.0 0.0000797 0.4 AML other m 2023-06-20T03:42:05.10
IV.ATMI.HHE. ML:2.6 0.0004355 0.76 AML other m 2023-06-20T03:42:05.16
IV.OFFI.HHN. ML:2.5 0.000313 0.54 AML other m 2023-06-20T03:42:05.92
IV.T0110.HHN. ML:2.1 0.000132 1.12 AML other m 2023-06-20T03:42:06.98
IV.CAFI.HHE. ML:1.8 0.000051750000000000004 1.3 AML other m 2023-06-20T03:42:06.05
IV.OFFI.HHE. ML:2.4 0.000245 0.62 AML other m 2023-06-20T03:42:06.89
IV.GUMA.HHN. ML:2.6 0.000523 0.52 AML other m 2023-06-20T03:42:08.39
IV.GUMA.HNE. ML:2.6 0.000475 0.52 AML other m 2023-06-20T03:42:08.43
IV.FRON.EHE. ML:1.8 0.0000498 0.66 AML other m 2023-06-20T03:42:11.01
IV.ATPI.EHN. ML:2.0 0.00007845000000000001 0.52 AML other m 2023-06-20T03:42:11.90
IV.T0110.HHE. ML:2.2 0.00014649999999999998 0.74 AML other m 2023-06-20T03:42:15.98
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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