Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 08-04-2021 and time 12:57:41 (Italy) in region 3 km NW Fiastra (MC)

A magnitude ML 1.9 earthquake occured in region: 3 km NW Fiastra (MC), on

  • 08-04-2021 10:57:41 (UTC)
  • 08-04-2021 12:57:41 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0560, 13.1260 at 9 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
Fiastra MC 3 559 559
Pievebovigliana MC 3 866 1425
Fiordimonte MC 4 202 1627
Acquacanina MC 5 121 1748
Pieve Torina MC 6 1458 3206
Muccia MC 7 915 4121
Camerino MC 10 6974 11095
Bolognola MC 11 142 11237
Monte Cavallo MC 12 145 11382
Caldarola MC 12 1823 13205
Cessapalombo MC 12 512 13717
Ussita MC 12 444 14161
Visso MC 14 1107 15268
Serravalle di Chienti MC 14 1070 16338
Camporotondo di Fiastrone MC 14 563 16901
Sarnano MC 15 3264 20165
Serrapetrona MC 15 966 21131
Belforte del Chienti MC 15 1886 23017
San Ginesio MC 17 3498 26515
Gualdo MC 17 815 27330
Sefro MC 18 422 27752
Pioraco MC 18 1134 28886
Castelsantangelo sul Nera MC 18 281 29167
Castelraimondo MC 18 4587 33754
San Severino Marche MC 20 12726 46480

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km E of Foligno (57155 inhabitants)
60 Km E of Perugia (166134 inhabitants)
65 Km NW of Teramo (54892 inhabitants)
67 Km NE of Terni (111501 inhabitants)
70 Km SW of Ancona (100861 inhabitants)
81 Km N of L'Aquila (69753 inhabitants)
88 Km S of Fano (60888 inhabitants)
97 Km S of Pesaro (94582 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
Bulletin
Rev1000 		ML 1.9 2021-04-08
10:57:41		 43.056 13.1258 9 2021-07-12
16:55:13		 Bollettino Sismico Italiano INGV 90694311
Reviewed
Rev100 		ML 2.0 2021-04-08
10:57:41		 43.062 13.1172 9 2021-04-08
11:03:13		 Sala Sismica INGV-Roma 88914691
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-04-08 10:57:41 ± 0.04
Latitude 43.0560 ± 0.0018
Longitude 13.1258 ± 0.0037
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 90694311

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 269
Semi-minor axis of confidence ellipse (meter) 96
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 70
Circular confidence region, given by single value of horizontal uncertainty (meter) 270.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 31
Number of associated phases, regardless of their use for origin computation 79
Number of defining phases 79
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.03417
Epicentral distance of station farthest from the epicenter (degree) 0.95418
Number of stations at which the event was observed 42
Number of stations from which data was used for origin computation 42
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 50
Type of magnitude ML
Reference to an origin 88914691
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-04-08 11:03:13

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 70
Type of magnitude ML
Reference to an origin 90694311
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-06-01 12:41:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NARO.HHZ. 2021-04-08T10:58:05.68 0.3 undecidable manual S 325 75.6687 50 0.76 54
IV.PIEI.HHZ. 2021-04-08T10:58:04.40 0.3 undecidable manual S 318 71.4729 50 0.6 58
IV.TERO.HHZ. 2021-04-08T10:58:01.49 0.3 undecidable manual S 141 61.7937 50 0.26 65
IV.FRON.EHZ. 2021-04-08T10:58:01.32 0.3 undecidable manual S 328 60.5949 50 0.43 63
IV.RM33.EHZ. 2021-04-08T10:58:01.29 0.3 undecidable manual S 173 61.0944 50 0.25 65
IV.CPGN.EHZ. 2021-04-08T10:58:00.26 1.0 undecidable manual P 322 105.117 50 0.59 18
IV.ATFO.HHZ. 2021-04-08T10:58:00.47 0.3 undecidable manual S 308 56.499 50 0.65 59
IV.MURB.HHZ. 2021-04-08T10:57:59.68 0.3 undecidable manual S 295 53.8017 50 0.59 60
IV.T0110.HHZ. 2021-04-08T10:57:59.36 1.0 undecidable manual P 150 105.9162 50 -0.45 19
IV.PARC.HHZ. 2021-04-08T10:57:59.22 1.0 undecidable manual P 313 97.125 50 0.76 17
IV.MOMA.HHZ. 2021-04-08T10:57:59.04 0.3 undecidable manual S 238 53.1024 50 0.14 68
IV.SSFR.HHZ. 2021-04-08T10:57:58.55 0.3 undecidable manual S 327 50.5161 50 0.35 65
IV.ARVD.HHZ. 2021-04-08T10:57:58.90 0.3 undecidable manual S 343 51.2154 50 0.49 63
IV.LNSS.HHZ. 2021-04-08T10:57:58.28 0.3 undecidable manual S 188 50.7159 50 0.01 70
IV.SMA1.EHZ. 2021-04-08T10:57:58.57 0.3 undecidable manual S 160 50.2164 50 0.45 64
IV.MMUR.HNE. 2021-04-08T10:57:56.60 0.3 undecidable manual S 346 44.0226 50 0.12 69
IV.GAVE.EHZ. 2021-04-08T10:57:56.39 0.3 undecidable manual S 205 44.5221 50 -0.22 67
IV.ATCC.EHZ. 2021-04-08T10:57:56.09 0.3 undecidable manual S 290 41.8248 50 0.19 68
IV.FOSV.EHZ. 2021-04-08T10:57:55.11 0.3 undecidable manual S 312 39.627 50 -0.2 68
IV.MTRA.EHZ. 2021-04-08T10:57:55.13 0.3 undecidable manual S 146 39.8268 50 -0.23 68
IV.NARO.HHZ. 2021-04-08T10:57:54.93 0.1 undecidable manual P 325 75.6687 50 -0.21 85
IV.PIEI.HHZ. 2021-04-08T10:57:54.27 0.1 positive manual P 318 71.4729 50 -0.22 86
IV.MPAG.EHZ. 2021-04-08T10:57:54.33 0.3 undecidable manual P 335 70.0743 50 0.04 67
IV.ASSB.HHZ. 2021-04-08T10:57:54.60 0.3 undecidable manual S 268 37.9287 50 -0.24 68
IV.CING.HNZ. 2021-04-08T10:57:53.92 0.3 undecidable manual S 9 35.9418 50 -0.38 66
IV.RM33.EHZ. 2021-04-08T10:57:52.58 0.3 undecidable manual P 173 61.0944 50 -0.32 64
IV.TERO.HHZ. 2021-04-08T10:57:52.64 0.1 undecidable manual P 141 61.7937 50 -0.37 85
IV.EL6.EHZ. 2021-04-08T10:57:52.40 0.3 undecidable manual S 356 30.3474 106 -0.36 67
IV.MF5.EHZ. 2021-04-08T10:57:52.67 0.3 undecidable manual S 106 28.1496 107 0.67 61
IV.FRON.EHZ. 2021-04-08T10:57:52.50 0.1 undecidable manual P 328 60.5949 50 -0.31 86
IV.ATFO.HHZ. 2021-04-08T10:57:52.26 0.6 undecidable manual P 308 56.499 50 0.07 45
IV.SAP2.EHZ. 2021-04-08T10:57:51.00 0.6 undecidable manual S 78 22.5552 111 0.8 39
IV.MOMA.HHZ. 2021-04-08T10:57:51.42 0.3 undecidable manual P 238 53.1024 50 -0.24 66
IV.MURB.HHZ. 2021-04-08T10:57:51.73 0.3 undecidable manual P 295 53.8017 50 -0.04 69
IV.ARVD.HHZ. 2021-04-08T10:57:51.04 0.1 undecidable manual P 343 51.2154 50 -0.34 87
IV.SMA1.EHZ. 2021-04-08T10:57:50.79 0.3 undecidable manual P 160 50.2164 50 -0.43 64
IV.MMUR.HNE. 2021-04-08T10:57:50.12 0.3 undecidable manual P 346 44.0226 50 -0.14 69
IV.GAVE.EHZ. 2021-04-08T10:57:50.22 0.1 undecidable manual P 205 44.5221 50 -0.12 92
IV.SSFR.HHZ. 2021-04-08T10:57:50.96 0.1 negative manual P 327 50.5161 50 -0.3 88
IV.MMO1.EHZ. 2021-04-08T10:57:50.43 0.3 undecidable manual S 137 23.8539 110 -0.17 71
IV.NRCA.HHZ. 2021-04-08T10:57:50.46 0.6 undecidable manual S 182 24.6531 110 -0.42 45
IV.LNSS.HHZ. 2021-04-08T10:57:50.94 0.1 undecidable manual P 188 50.7159 50 -0.36 86
IV.SSM1.HNZ. 2021-04-08T10:57:49.14 0.3 undecidable manual S 12 19.5693 114 -0.1 72
IV.ASSB.HHZ. 2021-04-08T10:57:49.01 0.1 positive manual P 268 37.9287 50 -0.31 89
IV.ATCC.EHZ. 2021-04-08T10:57:49.76 0.1 positive manual P 290 41.8248 50 -0.17 91
IV.CESI.HHZ. 2021-04-08T10:57:49.22 0.3 undecidable manual S 253 18.7701 115 0.22 71
IV.GAG1.HNZ. 2021-04-08T10:57:49.71 0.3 undecidable manual S 347 20.7681 113 0.11 72
IV.FOSV.EHZ. 2021-04-08T10:57:49.26 0.1 undecidable manual P 312 39.627 50 -0.33 89
IV.MNTT.EHZ. 2021-04-08T10:57:49.92 0.1 undecidable manual P 89 38.1285 50 0.57 83
IV.FIU1.HNZ. 2021-04-08T10:57:49.72 0.3 undecidable manual S 313 21.5673 112 -0.14 71
IV.MTRA.EHZ. 2021-04-08T10:57:49.24 0.1 undecidable manual P 146 39.8268 50 -0.38 88
IV.MC2.EHZ. 2021-04-08T10:57:48.63 0.3 undecidable manual S 162 16.872 118 0.25 70
IV.SEF1.HNZ. 2021-04-08T10:57:48.72 0.3 undecidable manual S 305 17.5713 117 0.1 73
IV.CING.HNZ. 2021-04-08T10:57:48.61 0.1 negative manual P 9 35.9418 50 -0.4 88
IV.MF5.EHZ. 2021-04-08T10:57:47.97 0.1 positive manual P 106 28.1496 107 0.28 91
IV.MDAR.HNZ. 2021-04-08T10:57:47.75 0.3 undecidable manual S 5 15.1737 120 -0.14 72
IV.MML1.HNZ. 2021-04-08T10:57:47.59 0.3 undecidable manual S 297 13.9749 122 0.06 74
IT.MTCL.HGZ. 2021-04-08T10:57:47.19 0.6 undecidable manual S 236 12.3765 126 0.14 48
IV.FEMA.HNZ. 2021-04-08T10:57:47.35 0.3 undecidable manual S 211 12.0768 126 0.37 69
IV.EL6.EHZ. 2021-04-08T10:57:47.71 0.1 negative manual P 356 30.3474 106 -0.41 89
IV.PF6.EHZ. 2021-04-08T10:57:46.32 0.3 undecidable manual S 31 10.6782 130 -0.26 71
IV.MMO1.EHZ. 2021-04-08T10:57:46.75 0.1 undecidable manual P 137 23.8539 110 -0.12 95
IV.FIU1.HNZ. 2021-04-08T10:57:46.35 1.0 undecidable manual P 313 21.5673 112 -0.09 24
IV.NRCA.HHZ. 2021-04-08T10:57:46.89 0.1 negative manual P 182 24.6531 110 -0.14 95
IV.SSM1.HNZ. 2021-04-08T10:57:46.17 0.3 undecidable manual P 12 19.5693 114 0.08 73
IV.SAP2.EHZ. 2021-04-08T10:57:46.97 0.1 undecidable manual P 78 22.5552 111 0.33 91
IV.CESI.HHZ. 2021-04-08T10:57:46.09 0.1 positive manual P 253 18.7701 115 0.14 96
IV.GAG1.HNZ. 2021-04-08T10:57:46.29 0.6 undecidable manual P 347 20.7681 113 -0.01 49
IV.SEF1.HNZ. 2021-04-08T10:57:45.33 0.6 undecidable manual P 305 17.5713 117 -0.4 45
IV.MC2.EHZ. 2021-04-08T10:57:45.73 0.1 negative manual P 162 16.872 118 0.14 96
IV.MDAR.HNZ. 2021-04-08T10:57:45.31 0.1 undecidable manual P 5 15.1737 120 0 99
IV.MML1.HNZ. 2021-04-08T10:57:45.21 0.1 positive manual P 297 13.9749 122 0.11 97
IV.FEMA.HNZ. 2021-04-08T10:57:45.14 0.3 undecidable manual P 211 12.0768 126 0.36 69
IV.CSP1.EHZ. 2021-04-08T10:57:45.70 0.3 undecidable manual S 58 7.4814 140 -0.11 74
IV.CSP1.EHZ. 2021-04-08T10:57:44.21 0.1 positive manual P 58 7.4814 140 0.1 98
IV.PF6.EHZ. 2021-04-08T10:57:44.55 0.1 positive manual P 31 10.6782 130 0 100
IT.MTCL.HGZ. 2021-04-08T10:57:44.98 0.3 undecidable manual P 236 12.3765 126 0.16 72
IV.FDMO.HHZ. 2021-04-08T10:57:44.85 0.3 undecidable manual S 235 3.7962 157 -0.27 72
IV.FDMO.HHZ. 2021-04-08T10:57:43.76 0.1 undecidable manual P 235 3.7962 157 0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:0.0 0.011725565 0.1408 AML other m 2021-04-08T10:57:44.00
IV.CSP1.EHN. ML:2.4 0.003832121 0.2176 AML other m 2021-04-08T10:57:47.66
IV.CSP1.EHE. ML:2.5 0.005279999999999999 0.22 AML other m 2021-04-08T10:57:46.45
IV.CESI.HHN. ML:2.0 0.0008895 0.12 AML other m 2021-04-08T10:57:49.60
IV.CESI.HHE. ML:1.9 0.0006985 0.18 AML other m 2021-04-08T10:57:50.44
IV.NRCA.HHN. ML:2.0 0.0006434453499999999 0.1408 AML other m 2021-04-08T10:57:53.02
IV.SAP2.EHN. ML:2.5 0.0022350000000000004 0.24 AML other m 2021-04-08T10:57:52.50
IV.NRCA.HHE. ML:2.2 0.0009062005499999999 0.1216 AML other m 2021-04-08T10:57:52.76
IV.MF5.EHN. ML:2.0 0.0005605 0.22 AML other m 2021-04-08T10:57:52.98
IV.EL6.EHN. ML:2.1 0.0006665898500000001 0.1216 AML other m 2021-04-08T10:57:53.36
IV.EL6.EHE. ML:2.2 0.0008906402 0.1408 AML other m 2021-04-08T10:57:53.43
IV.SAP2.EHE. ML:1.9 0.0005121243 0.3776 AML other m 2021-04-08T10:57:53.82
IV.ASSB.HHN. ML:2.1 0.00044899999999999996 0.24 AML other m 2021-04-08T10:57:54.86
IV.FOSV.EHN. ML:2.2 0.000557 0.26 AML other m 2021-04-08T10:57:55.60
IV.MF5.EHE. ML:1.8 0.0003437307 0.2624 AML other m 2021-04-08T10:57:54.13
IV.FOSV.EHE. ML:1.8 0.0002221544 0.224 AML other m 2021-04-08T10:57:55.88
IV.ASSB.HHE. ML:1.9 0.000279 1.82 AML other m 2021-04-08T10:57:56.02
IV.MTRA.EHN. ML:1.8 0.00020557475 0.1408 AML other m 2021-04-08T10:57:57.45
IV.ATCC.EHE. ML:2.4 0.0008185 0.14 AML other m 2021-04-08T10:57:56.39
IV.ATCC.EHN. ML:2.3 0.0006802170000000001 0.1408 AML other m 2021-04-08T10:57:56.34
IV.MTRA.EHE. ML:1.8 0.00021780415000000001 0.1216 AML other m 2021-04-08T10:57:56.11
IV.GAVE.EHE. ML:2.3 0.0006690664 0.2752 AML other m 2021-04-08T10:57:56.74
IV.MNTT.EHN. ML:2.2 0.00063661305 0.1408 AML other m 2021-04-08T10:57:57.66
IV.MNTT.EHE. ML:2.5 0.0011406085 0.1216 AML other m 2021-04-08T10:57:57.67
IV.SSFR.HNE. ML:2.3 0.000513 0.2 AML other m 2021-04-08T10:57:59.27
IV.SSFR.HNN. ML:2.3 0.0004859319 0.1728 AML other m 2021-04-08T10:57:59.30
IV.SSFR.HHN. ML:2.3 0.0005164999999999999 0.2 AML other m 2021-04-08T10:57:59.31
IV.GAVE.EHN. ML:2.1 0.0003700199 0.3008 AML other m 2021-04-08T10:57:57.08
IV.LNSS.HHE. ML:1.8 0.00015 0.1 AML other m 2021-04-08T10:57:59.40
IV.ARVD.HHN. ML:1.7 0.00011792535 0.0832 AML other m 2021-04-08T10:57:59.60
IV.ARVD.HHE. ML:1.7 0.00013477729999999998 0.2368 AML other m 2021-04-08T10:57:59.33
IV.MURB.HHE. ML:2.3 0.0005352646999999999 0.1984 AML other m 2021-04-08T10:58:00.94
IV.SSFR.HHE. ML:2.2 0.000429 0.24 AML other m 2021-04-08T10:58:00.42
IV.MOMA.HHN. ML:1.7 0.00011449999999999999 0.18 AML other m 2021-04-08T10:58:00.72
IV.MURB.HHN. ML:2.2 0.00040082014999999997 0.1984 AML other m 2021-04-08T10:58:01.44
IV.LNSS.HHN. ML:1.8 0.000165585395 0.1408 AML other m 2021-04-08T10:58:00.76
IV.MOMA.HHE. ML:1.8 0.00014018225 0.2432 AML other m 2021-04-08T10:58:00.50
IV.ATFO.HHE. ML:1.5 0.000076137655 0.16 AML other m 2021-04-08T10:58:01.57
IV.TERO.HHE. ML:1.6 0.00008585129499999999 0.1344 AML other m 2021-04-08T10:58:04.88
IV.TERO.HHN. ML:1.7 0.00009401516 0.096 AML other m 2021-04-08T10:58:03.06
IV.RM33.EHE. ML:1.5 0.00006155409000000001 0.2816 AML other m 2021-04-08T10:58:03.98
IV.FRON.EHE. ML:1.8 0.00011595 0.48 AML other m 2021-04-08T10:58:04.40
IV.FRON.EHN. ML:1.8 0.0001445993 0.2368 AML other m 2021-04-08T10:58:04.26
IV.RM33.EHN. ML:1.5 0.0000603272 0.096 AML other m 2021-04-08T10:58:03.15
IV.PIEI.HHN. ML:1.8 0.00011399999999999999 0.2 AML other m 2021-04-08T10:58:04.84
IV.ATFO.HHN. ML:1.5 0.00006733646 0.1216 AML other m 2021-04-08T10:58:01.25
IV.PIEI.HHE. ML:1.9 0.00012179999999999999 0.86 AML other m 2021-04-08T10:58:05.59
IV.MPAG.EHN. ML:0.0 0.000059092435 0.1216 AML other m 2021-04-08T10:58:06.05
IV.MPAG.EHE. ML:0.0 0.000047671985 0.16 AML other m 2021-04-08T10:58:05.84
IV.NARO.HHE. ML:1.4 0.00004155821 0.0832 AML other m 2021-04-08T10:58:06.95
IV.NARO.HHN. ML:1.4 0.000034768505000000005 0.1792 AML other m 2021-04-08T10:58:06.65
IV.CESI.HNN. ML:2.0 0.00083785465 0.128 AML other m 2021-04-08T10:57:49.59
IV.CESI.HNE. ML:1.9 0.0006636507 0.1792 AML other m 2021-04-08T10:57:50.35
IV.NRCA.HNN. ML:2.0 0.00062694425 0.2304 AML other m 2021-04-08T10:57:51.10
IV.NRCA.HNE. ML:2.2 0.00085612065 0.1344 AML other m 2021-04-08T10:57:52.76
IV.MTRA.HNE. ML:1.8 0.00020073430000000001 0.1152 AML other m 2021-04-08T10:57:56.10
IV.MTRA.HNN. ML:1.8 0.00022407924 0.16 AML other m 2021-04-08T10:57:57.44
IV.GAVE.HNN. ML:1.5 0.000099631845 0.1536 AML other m 2021-04-08T10:57:57.16
IV.GAVE.HNE. ML:2.3 0.00061688615 0.2816 AML other m 2021-04-08T10:57:56.73
IV.LNSS.HNN. ML:1.9 0.0001838104 0.1984 AML other m 2021-04-08T10:57:58.63
IV.LNSS.HNE. ML:1.8 0.000144448255 0.1024 AML other m 2021-04-08T10:57:59.45
IV.MOMA.HNN. ML:1.6 0.00010351107000000001 0.1792 AML other m 2021-04-08T10:58:00.72
IV.MOMA.HNE. ML:1.8 0.0001592724 0.2432 AML other m 2021-04-08T10:58:00.50
IV.MURB.HNE. ML:2.3 0.00054286585 0.2496 AML other m 2021-04-08T10:58:00.52
IV.MURB.HNN. ML:2.2 0.0004033366 0.1984 AML other m 2021-04-08T10:58:01.32
IV.TERO.HNE. ML:1.7 0.00010061858 0.7488 AML other m 2021-04-08T10:57:59.07
IV.TERO.HNN. ML:1.7 0.00010031016925 0.1088 AML other m 2021-04-08T10:58:02.80
IV.PARC.HHN. ML:1.5 0.00002804902 0.3776 AML other m 2021-04-08T10:58:14.50
IV.PARC.HHE. ML:1.3 0.000021511385 0.2432 AML other m 2021-04-08T10:58:13.78
IV.CPGN.EHE. ML:0.0 0.0001620701 3.68 AML other m 2021-04-08T10:58:36.40
IV.CPGN.EHN. ML:0.0 0.00039655505 4 AML other m 2021-04-08T10:58:36.34
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