Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 07-01-2021 and time 10:00:39 (Italy) in region 4 km N San Gregorio Magno (SA)

A magnitude ML 2.2 earthquake occured in region: 4 km N San Gregorio Magno (SA), on

  • 07-01-2021 09:00:39 (UTC)
  • 07-01-2021 10:00:39 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 40.6880, 15.4130 at 15 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
San Gregorio Magno SA 4 4286 4286
Ricigliano SA 6 1144 5430
Romagnano al Monte SA 7 368 5798
Buccino SA 7 5047 10845
Balvano PZ 9 1830 12675
Muro Lucano PZ 10 5497 18172
Palomonte SA 11 3985 22157
Colliano SA 11 3638 25795
Castelgrande PZ 11 943 26738
Salvitelle SA 11 560 27298
Vietri di Potenza PZ 13 2832 30130
Bella PZ 13 5171 35301
Valva SA 13 1643 36944
Laviano SA 14 1438 38382
Auletta SA 14 2336 40718
Oliveto Citra SA 15 3802 44520
Contursi Terme SA 15 3394 47914
Caggiano SA 15 2765 50679
Santomenna SA 15 443 51122
Baragiano PZ 15 2671 53793
Pertosa SA 16 690 54483
Castelnuovo di Conza SA 16 619 55102
Pescopagano PZ 17 1910 57012
Sicignano degli Alburni SA 17 3519 60531
Savoia di Lucania PZ 18 1127 61658
Petina SA 18 1159 62817
Sant'Andrea di Conza AV 18 1539 64356
San Fele PZ 18 3004 67360
Senerchia AV 18 842 68202
Rapone PZ 19 990 69192
Calabritto AV 19 2391 71583
Picerno PZ 20 5985 77568
Sant'Angelo Le Fratte PZ 20 1429 78997
Conza della Campania AV 20 1373 80370

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km W of Potenza (67122 inhabitants)
37 Km E of Battipaglia (50786 inhabitants)
55 Km E of Salerno (135261 inhabitants)
58 Km E of Avellino (54857 inhabitants)
60 Km E of Cava de' Tirreni (53659 inhabitants)
72 Km SE of Benevento (60091 inhabitants)
75 Km E of Scafati (50787 inhabitants)
76 Km SW of Cerignola (58396 inhabitants)
79 Km E of Castellammare di Stabia (66466 inhabitants)
87 Km S of Foggia (151991 inhabitants)
89 Km E of Torre del Greco (86275 inhabitants)
90 Km E of Portici (55274 inhabitants)
91 Km E of Ercolano (53709 inhabitants)
92 Km E of Acerra (59573 inhabitants)
95 Km SW of Andria (100440 inhabitants)
96 Km E of Afragola (65057 inhabitants)
97 Km W of Altamura (70396 inhabitants)
98 Km E of Casoria (77642 inhabitants)
99 Km E of Napoli (974074 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 2.2 2021-01-07
09:00:39		 40.6883 15.4128 15 2021-07-12
16:55:07		 Bollettino Sismico Italiano INGV 89326681
Reviewed
Rev100 		ML 2.3 2021-01-07
09:00:39		 40.6892 15.4092 11 2021-01-07
09:08:46		 Sala Sismica INGV-Roma 86068801
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-01-07 09:00:39 ± 0.08
Latitude 40.6883 ± 0.0036
Longitude 15.4128 ± 0.0059
Depth (km) 15 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 89326681

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 475
Semi-minor axis of confidence ellipse (meter) 145
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 65
Circular confidence region, given by single value of horizontal uncertainty (meter) 480.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 69
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) 0.37
Epicentral distance of station closest to the epicenter (degree) 0.05396
Epicentral distance of station farthest from the epicenter (degree) 1.09447
Number of stations at which the event was observed 47
Number of stations from which data was used for origin computation 47
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations 86
Type of magnitude ML
Reference to an origin 86068801
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-01-07 09:08:46

ML:2.2

Field Value
Value 2.2
Uncertainty 0.2
Num. used stations 41
Type of magnitude ML
Reference to an origin 89326681
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-05-06 22:48:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.AMUR.HHZ. 2021-01-07T09:01:09.49 0.6 undecidable manual S 76 102.9192 93 0.38 40
IV.MRVN.HHZ. 2021-01-07T09:01:02.52 0.6 undecidable manual S 58 77.5668 94 0.16 44
IV.SCHR.EHZ. 2021-01-07T09:01:02.88 0.6 undecidable manual S 134 77.9664 94 0.43 41
IV.SIRI.HHZ. 2021-01-07T09:01:00.08 0.6 undecidable manual S 145 67.9764 94 0.27 44
IV.APRC.HHZ. 2021-01-07T09:00:59.10 0.3 undecidable manual P 5 119.0919 92 0.16 60
IV.PTRP.HHZ. 2021-01-07T09:00:58.72 0.6 undecidable manual S 109 57.6978 95 1.67 24
IV.SGRT.HHZ. 2021-01-07T09:00:58.85 0.3 undecidable manual P 13 121.4895 92 -0.46 56
IV.MSAG.HHZ. 2021-01-07T09:00:58.84 0.3 undecidable manual P 20 120.8901 92 -0.38 57
IV.MELA.HHZ. 2021-01-07T09:00:57.29 0.3 undecidable manual P 348 115.3956 92 -1.08 44
IV.AMUR.HHZ. 2021-01-07T09:00:56.56 0.3 undecidable manual P 76 102.9192 93 0.11 63
IV.PALZ.HHZ. 2021-01-07T09:00:56.41 0.3 undecidable manual S 58 54.0015 96 0.33 67
OT.OT05.EHZ. 2021-01-07T09:00:56.86 0.3 undecidable manual P 8 108.9132 92 -0.5 57
IV.MCEL.HHZ. 2021-01-07T09:00:56.16 0.6 undecidable manual S 141 52.0035 96 0.62 41
IV.SGTA.HHZ. 2021-01-07T09:00:55.79 0.6 undecidable manual S 355 49.7169 96 0.85 37
IV.ACER.HHZ. 2021-01-07T09:00:54.09 0.6 undecidable manual S 76 45.8208 97 0.17 47
IV.CRAC.EHZ. 2021-01-07T09:00:54.91 0.3 undecidable manual P 111 92.6406 93 0.04 66
IV.VBKN.HHZ. 2021-01-07T09:00:54.85 0.6 undecidable manual P 281 84.0492 93 1.3 27
IV.MIGL.HHZ. 2021-01-07T09:00:53.36 0.3 undecidable manual P 96 87.0462 93 -0.64 56
IX.PGN3.HHN.02 2021-01-07T09:00:53.06 0.3 undecidable manual S 112 34.743 100 2.07 28
IV.CMPR.HHZ. 2021-01-07T09:00:53.40 0.6 undecidable manual S 193 42.1245 98 0.48 43
IX.MRN3.HNE.01 2021-01-07T09:00:52.32 0.6 undecidable manual S 137 39.5271 99 0.08 48
IT.SLC1.HGN. 2021-01-07T09:00:52.00 0.3 undecidable manual S 155 36.0417 100 0.69 61
IV.MRVN.HHZ. 2021-01-07T09:00:52.00 0.1 undecidable manual P 58 77.5668 94 -0.55 78
IV.SCHR.EHZ. 2021-01-07T09:00:52.20 0.3 undecidable manual P 134 77.9664 94 -0.41 62
IV.CAFE.HHZ. 2021-01-07T09:00:52.42 0.6 undecidable manual S 339 40.5261 98 -0.08 48
IX.SALI.HNE.01 2021-01-07T09:00:52.01 0.6 undecidable manual S 324 33.1446 101 1.43 28
IX.RSF3.HNE.02 2021-01-07T09:00:51.86 0.3 undecidable manual S 327 36.5412 100 0.41 67
IV.PZUN.HHZ. 2021-01-07T09:00:51.55 0.6 undecidable manual S 98 33.4443 101 0.9 39
IV.SLCN.HHZ. 2021-01-07T09:00:51.84 0.6 undecidable manual S 151 37.9287 99 0.02 48
IX.AND3.HNZ.02 2021-01-07T09:00:50.00 0.6 undecidable manual S 346 27.6501 105 0.87 38
IX.AVG3.HNZ.01 2021-01-07T09:00:50.13 0.6 undecidable manual S 73 27.4503 105 1.04 37
IV.SIRI.HHZ. 2021-01-07T09:00:50.62 0.1 undecidable manual P 145 67.9764 94 -0.46 84
IV.VULT.HHZ. 2021-01-07T09:00:50.77 0.6 undecidable manual S 30 34.1436 101 -0.06 48
IX.LIO3.HHZ.02 2021-01-07T09:00:50.06 0.6 undecidable manual S 320 30.2475 103 0.24 46
IV.SNAL.HHZ. 2021-01-07T09:00:50.72 0.6 undecidable manual S 327 31.3464 102 0.62 42
IV.BULG.HHZ. 2021-01-07T09:00:50.87 0.1 undecidable manual P 183 67.6767 94 -0.17 90
IV.MGR.HHZ. 2021-01-07T09:00:49.75 0.3 undecidable manual P 169 62.1933 95 -0.44 64
IX.STN3.HNZ.02 2021-01-07T09:00:49.66 0.6 undecidable manual S 131 26.6511 105 0.78 40
IV.PTRP.HHZ. 2021-01-07T09:00:49.62 0.1 undecidable manual P 109 57.6978 95 0.13 92
IV.CAPA.HHZ. 2021-01-07T09:00:49.35 0.3 undecidable manual P 33 62.1933 95 -0.83 54
IV.MCEL.HHZ. 2021-01-07T09:00:48.42 0.1 undecidable manual P 141 52.0035 96 -0.2 91
IV.SGTA.HHZ. 2021-01-07T09:00:48.23 0.3 undecidable manual P 355 49.7169 96 -0.04 71
IV.PALZ.HHZ. 2021-01-07T09:00:48.29 0.1 undecidable manual P 58 54.0015 96 -0.64 79
IV.MCRV.HHZ. 2021-01-07T09:00:48.13 0.6 undecidable manual S 297 23.0547 109 0.17 47
IX.BEL3.HNE. 2021-01-07T09:00:47.05 0.6 undecidable manual S 81 19.0698 115 0.08 50
IV.ACER.HHZ. 2021-01-07T09:00:47.29 0.1 undecidable manual P 76 45.8208 97 -0.39 88
IX.CSG3.HNZ.01 2021-01-07T09:00:46.25 0.6 undecidable manual S 16 14.9739 124 0.22 49
IV.CAFE.HHZ. 2021-01-07T09:00:46.91 0.1 undecidable manual P 339 40.5261 98 0.05 95
IX.MRN3.HNE.01 2021-01-07T09:00:46.26 0.1 undecidable manual P 137 39.5271 99 -0.45 88
IV.SGO.HNZ. 2021-01-07T09:00:46.76 0.6 undecidable manual S 212 16.7721 120 0.34 46
IX.RSF3.HNE.02 2021-01-07T09:00:46.02 0.3 undecidable manual P 327 36.5412 100 -0.23 70
IV.PZUN.HHZ. 2021-01-07T09:00:46.10 0.3 undecidable manual P 98 33.4443 101 0.3 69
IX.VDP3.HNZ.01 2021-01-07T09:00:46.38 0.3 undecidable manual S 124 16.2726 121 0.07 75
IX.PGN3.HHN.02 2021-01-07T09:00:46.22 0.3 undecidable manual P 112 34.743 100 0.23 70
IV.SLCN.HHZ. 2021-01-07T09:00:46.32 0.1 undecidable manual P 151 37.9287 99 -0.15 94
IT.SLC1.HGN. 2021-01-07T09:00:46.22 0.3 undecidable manual P 155 36.0417 100 0.05 72
IV.CAGG.EHZ. 2021-01-07T09:00:46.45 0.6 undecidable manual S 150 16.7721 120 0.03 50
IX.BSC3.HNZ.01 2021-01-07T09:00:46.67 0.3 undecidable manual P 356 35.9418 100 0.5 66
IV.CMPR.HHZ. 2021-01-07T09:00:46.91 0.1 undecidable manual P 193 42.1245 98 -0.19 94
IX.SALI.HNE.01 2021-01-07T09:00:45.94 0.1 undecidable manual P 324 33.1446 101 0.19 94
IV.VULT.HHZ. 2021-01-07T09:00:45.62 0.1 positive manual P 30 34.1436 101 -0.28 92
IX.AND3.HNZ.02 2021-01-07T09:00:45.36 0.1 undecidable manual P 346 27.6501 105 0.45 90
IV.SNAL.HHZ. 2021-01-07T09:00:45.62 0.1 undecidable manual P 327 31.3464 102 0.14 95
IX.LIO3.HHZ.02 2021-01-07T09:00:45.22 0.3 undecidable manual P 320 30.2475 103 -0.09 73
IX.TEGI.HNN.01 2021-01-07T09:00:45.93 0.3 undecidable manual P 163 35.742 100 -0.21 70
IV.MCRV.HHZ. 2021-01-07T09:00:44.02 0.1 undecidable manual P 297 23.0547 109 -0.22 96
IX.VDS3.HNN. 2021-01-07T09:00:44.21 0.6 undecidable manual S 11 5.994 154 -0.22 49
IV.MRLC.HHZ. 2021-01-07T09:00:44.61 0.6 undecidable manual S 40 9.879 139 -0.4 46
IX.AVG3.HNZ.01 2021-01-07T09:00:44.94 0.3 undecidable manual P 73 27.4503 105 0.05 74
IX.BEL3.HNE. 2021-01-07T09:00:44.21 0.1 undecidable manual P 81 19.0698 115 0.54 90
IX.STN3.HNZ.02 2021-01-07T09:00:44.54 0.1 undecidable manual P 131 26.6511 105 -0.23 94
IX.CLT3.HHZ.02 2021-01-07T09:00:44.53 0.3 undecidable manual P 358 23.8539 108 0.18 72
IX.VDP3.HNZ.01 2021-01-07T09:00:43.06 0.3 undecidable manual P 124 16.2726 121 -0.23 72
IV.SGO.HNZ. 2021-01-07T09:00:43.17 0.1 positive manual P 212 16.7721 120 -0.18 98
IX.SNR3.HHZ.02 2021-01-07T09:00:43.62 0.1 undecidable manual P 286 19.2696 115 -0.08 100
IV.CAGG.EHZ. 2021-01-07T09:00:43.14 0.1 positive manual P 150 16.7721 120 -0.21 97
IX.CSG3.HNZ.01 2021-01-07T09:00:42.88 0.1 undecidable manual P 16 14.9739 124 -0.25 96
IX.VDS3.HNN. 2021-01-07T09:00:41.68 0.1 undecidable manual P 11 5.994 154 -0.52 92
IV.MRLC.HHZ. 2021-01-07T09:00:41.98 0.1 negative manual P 40 9.879 139 -0.56 89
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MRLC.HHE. ML:2.4 0.0022712515 0.1024 AML other m 2021-01-07T09:00:44.69
IV.MRLC.HNE. ML:2.0 0.00102479615 0.1216 AML other m 2021-01-07T09:00:44.69
IV.MRLC.HNN. ML:2.6 0.0036655955 0.224 AML other m 2021-01-07T09:00:44.98
IV.MRLC.HHN. ML:2.9 0.007767464 0.224 AML other m 2021-01-07T09:00:44.98
IV.SGO.HHN. ML:2.2 0.001278445 0.1216 AML other m 2021-01-07T09:00:46.83
IV.SGO.HHE. ML:2.1 0.0009129331499999999 0.1024 AML other m 2021-01-07T09:00:46.88
IV.SGO.HNE. ML:1.9 0.0005849972 0.4224 AML other m 2021-01-07T09:00:47.23
IV.MCRV.HHE. ML:2.2 0.00080408245 0.1664 AML other m 2021-01-07T09:00:48.48
IV.MCRV.HHN. ML:2.2 0.0008971815000000001 0.3008 AML other m 2021-01-07T09:00:48.38
IX.CLT3.HHN.02 ML:2.3 0.0010807190000000002 0.192 AML other m 2021-01-07T09:00:48.82
IX.CLT3.HHE.02 ML:2.3 0.0011108180000000002 0.64 AML other m 2021-01-07T09:00:49.17
IV.VULT.HHN. ML:2.2 0.00073880245 0.6208 AML other m 2021-01-07T09:00:51.19
IV.VULT.HHE. ML:2.3 0.0007761877 0.3776 AML other m 2021-01-07T09:00:51.02
IV.VULT.HNE. ML:2.3 0.0007616399 0.3712 AML other m 2021-01-07T09:00:51.03
IV.VULT.HNN. ML:2.4 0.00099653425 0.7808 AML other m 2021-01-07T09:00:51.28
IV.SNAL.HHN. ML:1.9 0.00032011615000000006 0.16 AML other m 2021-01-07T09:00:51.38
IV.PZUN.HNE. ML:2.1 0.0005280269 0.3072 AML other m 2021-01-07T09:00:52.12
IV.PZUN.HHE. ML:2.1 0.00053293665 0.3008 AML other m 2021-01-07T09:00:52.12
IV.PZUN.HHN. ML:2.0 0.00037777404999999995 0.3008 AML other m 2021-01-07T09:00:52.18
IV.PZUN.HNN. ML:2.1 0.00046149565 1.0176 AML other m 2021-01-07T09:00:52.20
IV.SLCN.HHE. ML:2.4 0.0009910805 0.2624 AML other m 2021-01-07T09:00:52.39
IV.SLCN.HNE. ML:2.4 0.0009262209500000001 0.2496 AML other m 2021-01-07T09:00:52.27
IV.SLCN.HHN. ML:2.3 0.0006496771 0.3584 AML other m 2021-01-07T09:00:52.40
IV.SLCN.HNN. ML:2.2 0.0005505912 0.4288 AML other m 2021-01-07T09:00:52.41
IV.CMPR.HHE. ML:1.9 0.00024245424999999997 0.2432 AML other m 2021-01-07T09:00:53.57
IV.ACER.HHE. ML:2.4 0.0007630601999999999 0.2816 AML other m 2021-01-07T09:00:54.38
IV.ACER.HNE. ML:2.5 0.000843 0.6 AML other m 2021-01-07T09:00:54.39
IV.SGTA.HHN. ML:1.9 0.00018963240000000002 0.704 AML other m 2021-01-07T09:00:56.45
IV.SGTA.HHE. ML:2.0 0.00028190424999999995 0.3648 AML other m 2021-01-07T09:00:56.59
IV.MCEL.HHE. ML:2.2 0.00036740585 0.2176 AML other m 2021-01-07T09:00:57.00
IV.PALZ.HHN. ML:2.1 0.00029518080000000003 0.2368 AML other m 2021-01-07T09:00:57.10
IV.MCEL.HHN. ML:2.2 0.00038456155000000003 0.4224 AML other m 2021-01-07T09:00:57.27
IV.SIRI.HNE. ML:2.1 0.0002315662 0.1792 AML other m 2021-01-07T09:01:01.19
IV.SIRI.HHE. ML:2.2 0.00024463975 0.1984 AML other m 2021-01-07T09:01:01.18
IV.AMUR.HHN. ML:1.9 0.000081862035 0.8 AML other m 2021-01-07T09:01:09.95
OT.OT05.EHN. ML:2.2 0.00013000000000000002 0.46 AML other m 2021-01-07T09:01:12.84
IV.SGRT.HHE. ML:2.2 0.000107420495 1.2608 AML other m 2021-01-07T09:01:16.75
IV.APRC.HHE. ML:2.2 0.00010823239500000001 0.2368 AML other m 2021-01-07T09:01:16.29
IV.APRC.HHN. ML:2.2 0.000108157635 0.5184 AML other m 2021-01-07T09:01:15.96
IV.MSAG.HHE. ML:1.7 0.00003994409 0.576 AML other m 2021-01-07T09:01:16.25
IV.MSAG.HHN. ML:2.0 0.00007324013 0.1856 AML other m 2021-01-07T09:01:16.31
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