Earthquake with magnitude of ML 2.3 on date 20-09-2021 and time 13:07:54 (UTC) in region 4 km NW Calabritto (AV)

A magnitude ML 2.3 earthquake occured in region: 4 km NW Calabritto (AV), on

  • 20-09-2021 13:07:54 (UTC)
  • 20-09-2021 15:07:54 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.8040, 15.1850 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Calabritto AV 4 2391 2391
Caposele AV 4 3483 5874
Senerchia AV 7 842 6716
Teora AV 8 1537 8253
Lioni AV 8 6201 14454
Valva SA 10 1643 16097
Bagnoli Irpino AV 10 3217 19314
Laviano SA 10 1438 20752
Santomenna SA 11 443 21195
Castelnuovo di Conza SA 12 619 21814
Colliano SA 13 3638 25452
Nusco AV 13 4203 29655
Acerno SA 13 2783 32438
Oliveto Citra SA 13 3802 36240
Sant'Angelo dei Lombardi AV 14 4250 40490
Conza della Campania AV 14 1373 41863
Morra De Sanctis AV 14 1297 43160
Montella AV 15 7780 50940
Cassano Irpino AV 15 982 51922
Sant'Andrea di Conza AV 16 1539 53461
Torella dei Lombardi AV 17 2144 55605
Campagna SA 17 16703 72308
Rocca San Felice AV 17 851 73159
Guardia Lombardi AV 17 1718 74877
Contursi Terme SA 18 3394 78271
Palomonte SA 18 3985 82256
Pescopagano PZ 18 1910 84166
Andretta AV 19 1927 86093
Castelfranci AV 19 2041 88134
Cairano AV 19 326 88460

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km NE of Battipaglia (50786 inhabitants)
35 Km E of Avellino (54857 inhabitants)
38 Km E of Salerno (135261 inhabitants)
42 Km E of Cava de' Tirreni (53659 inhabitants)
50 Km SE of Benevento (60091 inhabitants)
55 Km W of Potenza (67122 inhabitants)
56 Km E of Scafati (50787 inhabitants)
61 Km E of Castellammare di Stabia (66466 inhabitants)
69 Km E of Torre del Greco (86275 inhabitants)
70 Km E of Portici (55274 inhabitants)
70 Km E of Acerra (59573 inhabitants)
71 Km E of Ercolano (53709 inhabitants)
75 Km E of Afragola (65057 inhabitants)
76 Km E of Casoria (77642 inhabitants)
78 Km E of Caserta (76326 inhabitants)
79 Km E of Napoli (974074 inhabitants)
79 Km SW of Foggia (151991 inhabitants)
79 Km SW of Cerignola (58396 inhabitants)
84 Km E of Giugliano in Campania (122974 inhabitants)
84 Km E of Marano di Napoli (59874 inhabitants)
84 Km E of Aversa (53047 inhabitants)
92 Km E of Pozzuoli (81661 inhabitants)
100 Km S of San Severo (53905 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 2.3 2021-09-20
13:07:54
40.8037 15.1853 15 2022-03-30
13:04:29
Bollettino Sismico Italiano INGV 99704511
Reviewed
Rev100
ML 2.4 2021-09-20
13:07:55
40.8038 15.1885 14 2021-09-20
13:19:36
Sala Sismica INGV-Roma 95664291
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-09-20 13:07:54 ± 0.06
Latitude 40.8037 ± 0.0027
Longitude 15.1853 ± 0.0048
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 99704511

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 398
Semi-minor axis of confidence ellipse (meter) 86
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) 400.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 73
Number of associated phases, regardless of their use for origin computation 59
Number of defining phases 59
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.02428
Epicentral distance of station farthest from the epicenter (degree) 1.30941
Number of stations at which the event was observed 39
Number of stations from which data was used for origin computation 39
Magnitudes information

ML:2.4

Field Value
Value 2.4
Uncertainty 0.3
Num. used stations 70
Type of magnitude ML
Reference to an origin 95664291
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-09-20 13:19:36

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 80
Type of magnitude ML
Reference to an origin 99704511
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-01-12 16:17:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.AMUR.HHZ. 2021-09-20T13:08:29.86 0.3 undecidable manual S 84 119.5914 92 0.48 55
IV.SGRT.HHZ. 2021-09-20T13:08:28.89 0.3 undecidable manual S 24 115.2957 92 0.66 53
IV.MRVN.HHZ. 2021-09-20T13:08:21.01 0.3 undecidable manual S 71 89.3439 93 -0.3 61
OT.OT13.EHZ. 2021-09-20T13:08:19.12 1.0 undecidable manual P 34 145.3434 92 0.31 18
IV.RNI2.HHZ. 2021-09-20T13:08:16.61 1.0 undecidable manual P 320 131.868 92 -0.12 19
IV.AMUR.HHZ. 2021-09-20T13:08:15.10 1.0 undecidable manual P 84 119.5914 92 0.26 19
IV.MSAG.HHZ. 2021-09-20T13:08:14.51 0.6 undecidable manual P 31 117.4935 92 0 41
IV.SGRT.HHZ. 2021-09-20T13:08:14.12 0.1 undecidable manual P 24 115.2957 92 -0.06 81
IV.APRC.HHZ. 2021-09-20T13:08:13.31 0.6 undecidable manual P 16 109.9122 92 -0.04 41
OT.OT12.EHZ. 2021-09-20T13:08:13.06 0.6 undecidable manual P 33 109.9122 92 -0.29 39
IV.BSSO.HHZ. 2021-09-20T13:08:11.31 0.1 undecidable manual P 329 96.0261 93 0.09 84
IV.SIRI.HHZ. 2021-09-20T13:08:10.12 0.3 undecidable manual P 140 89.8434 93 -0.14 64
IX.SRN3.HHZ.02 2021-09-20T13:08:09.15 0.3 undecidable manual S 147 42.0246 97 0.42 64
IV.MRVN.HHZ. 2021-09-20T13:08:09.68 0.6 undecidable manual P 71 89.3439 93 -0.51 39
IV.MGR.HHZ. 2021-09-20T13:08:08.06 0.1 undecidable manual P 157 80.1642 93 -0.71 74
IV.MTSN.HHZ. 2021-09-20T13:08:08.30 0.3 undecidable manual P 141 76.368 93 0.11 65
IV.CDRU.HHZ. 2021-09-20T13:08:07.27 0.3 undecidable manual S 164 36.2415 99 0.07 70
IX.RDM3.HHZ.02 2021-09-20T13:08:06.50 0.3 undecidable manual S 75 30.4473 102 0.82 57
IV.SLCN.HHZ. 2021-09-20T13:08:06.06 0.1 undecidable manual P 140 59.3961 95 0.48 62
IV.MOCO.HHZ. 2021-09-20T13:08:06.48 0.3 undecidable manual P 358 62.8926 94 0.37 64
IX.SSB3.HNE.02 2021-09-20T13:08:06.02 0.6 undecidable manual S 7 30.747 102 0.28 46
IV.SGO.HHZ. 2021-09-20T13:08:05.49 0.3 undecidable manual S 159 28.8489 103 0.23 69
IX.PGN3.HHZ.02 2021-09-20T13:08:05.79 0.6 undecidable manual P 116 57.498 95 0.5 41
IV.PSB1.HHZ. 2021-09-20T13:08:05.04 0.1 undecidable manual P 326 56.0994 95 -0.04 69
IX.LGS3.HNZ.01 2021-09-20T13:08:04.12 0.3 undecidable manual S 321 26.0517 105 -0.4 67
IV.CAFE.HHZ. 2021-09-20T13:08:04.59 0.3 undecidable manual S 10 25.2525 106 0.27 70
IX.CMP3.HNZ.02 2021-09-20T13:08:03.38 0.3 undecidable manual S 208 19.0698 114 0.62 63
IX.CSG3.HNZ.01 2021-09-20T13:08:03.85 0.3 undecidable manual S 86 23.3544 108 0.01 73
IV.MRB1.HHZ. 2021-09-20T13:08:02.66 0.1 undecidable manual P 333 39.8268 98 0.09 94
IX.MNT3.EHZ.02 2021-09-20T13:08:02.19 0.3 undecidable manual S 284 15.4734 122 0.28 71
IX.SRN3.HHZ.02 2021-09-20T13:08:02.65 0.1 undecidable manual P 147 42.0246 97 -0.27 90
IX.COL3.HHZ.02 2021-09-20T13:08:02.24 0.3 undecidable manual S 137 17.7711 117 -0.22 71
IV.VULT.HHZ. 2021-09-20T13:08:02.12 0.1 undecidable manual P 65 39.8268 98 -0.46 86
IV.SGTA.HHZ. 2021-09-20T13:08:02.68 0.1 undecidable manual P 22 39.7269 98 0.12 70
IV.SNAL.HHZ. 2021-09-20T13:08:01.62 0.6 undecidable manual S 8 13.6752 127 0.1 49
IX.RDM3.HHZ.02 2021-09-20T13:08:01.48 0.1 undecidable manual P 75 30.4473 102 0.32 90
IV.CDRU.HHZ. 2021-09-20T13:08:01.71 0.1 undecidable manual P 164 36.2415 99 -0.32 90
IX.SALI.HNZ.01 2021-09-20T13:08:01.85 0.3 undecidable manual S 358 13.9749 126 0.25 72
IX.SSB3.HNE.02 2021-09-20T13:08:00.93 0.6 undecidable manual P 7 30.747 102 -0.26 46
IX.SNR3.EHZ.02 2021-09-20T13:08:00.69 0.6 undecidable manual S 175 7.5813 147 0.29 48
IV.CAFE.HHZ. 2021-09-20T13:08:00.16 0.1 positive manual P 10 25.2525 106 -0.22 93
IX.LGS3.HNZ.01 2021-09-20T13:08:00.63 0.1 undecidable manual P 321 26.0517 105 0.14 95
IV.SGO.HHZ. 2021-09-20T13:08:00.64 0.1 undecidable manual P 159 28.8489 103 -0.28 92
IX.PST3.HNZ.01 2021-09-20T13:08:00.62 0.3 undecidable manual P 170 27.3504 104 -0.07 72
IX.SCL3.EHZ.02 2021-09-20T13:08:00.78 1.0 undecidable manual P 114 29.9478 102 -0.29 23
IX.CSG3.HNZ.01 2021-09-20T13:08:00.09 0.6 undecidable manual P 86 23.3544 108 -0.01 49
IX.NSC3.EHZ.02 2021-09-20T13:08:00.50 0.1 undecidable manual S 312 7.1928 148 0.16 74
IX.COL3.HHZ.02 2021-09-20T13:07:59.15 0.1 undecidable manual P 137 17.7711 117 -0.15 96
IX.VDS3.HNN.01 2021-09-20T13:07:59.37 0.3 undecidable manual P 109 21.4674 110 -0.45 67
IX.LIO3.HHZ.02 2021-09-20T13:07:59.86 0.3 undecidable manual S 358 10.3785 137 -1 53
IV.MCRV.HHZ. 2021-09-20T13:07:59.66 0.3 undecidable manual S 211 2.6973 167 -0.23 72
IX.CMP3.HNZ.02 2021-09-20T13:07:59.69 0.1 positive manual P 208 19.0698 114 0.22 94
IX.MNT3.EHZ.02 2021-09-20T13:07:59.13 0.1 positive manual P 284 15.4734 122 0.14 97
IX.SALI.HNZ.01 2021-09-20T13:07:58.69 0.1 undecidable manual P 358 13.9749 126 -0.11 97
IX.NSC3.EHZ.02 2021-09-20T13:07:58.00 0.1 negative manual P 312 7.1928 148 -0.08 99
IV.SNAL.HHZ. 2021-09-20T13:07:58.63 0.1 positive manual P 8 13.6752 127 -0.13 97
IX.SNR3.EHZ.02 2021-09-20T13:07:58.16 0.1 undecidable manual P 175 7.5813 147 0.05 100
IX.LIO3.HHZ.02 2021-09-20T13:07:58.11 0.1 undecidable manual P 358 10.3785 137 -0.27 94
IV.MCRV.HHZ. 2021-09-20T13:07:57.76 0.1 positive manual P 211 2.6973 167 -0.06 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MCRV.HHN. ML:3.1 0.01537354 0.2816 AML other m 2021-09-20T13:08:00.36
IX.NSC3.EHE.02 ML:2.7 0.00532 0.12 AML other m 2021-09-20T13:08:01.12
IV.MCRV.HHE. ML:2.7 0.0061445695 0.1984 AML other m 2021-09-20T13:08:01.05
IX.NSC3.EHN.02 ML:2.7 0.005234448 0.096 AML other m 2021-09-20T13:08:01.22
IV.SNAL.HNN. ML:2.8 0.00492 0.2 AML other m 2021-09-20T13:08:02.17
IV.SNAL.HHN. ML:2.8 0.005395 0.2 AML other m 2021-09-20T13:08:02.17
IV.SNAL.HHE. ML:2.6 0.0030880725 0.16 AML other m 2021-09-20T13:08:02.33
IV.SNAL.HNE. ML:2.5 0.002894167 0.1408 AML other m 2021-09-20T13:08:02.26
IX.MNT3.EHN.02 ML:2.8 0.0057319765 0.0832 AML other m 2021-09-20T13:08:03.17
IX.MNT3.HNN.01 ML:2.8 0.0050536335 0.096 AML other m 2021-09-20T13:08:03.17
IX.MNT3.HNE.01 ML:2.5 0.00237464625 0.064 AML other m 2021-09-20T13:08:03.63
IX.MNT3.EHE.02 ML:2.6 0.0034742725000000006 0.064 AML other m 2021-09-20T13:08:03.64
IV.MTMR.HNE. ML:2.1 0.0008177849500000001 0.16 AML other m 2021-09-20T13:08:04.05
IX.COL3.HHE.02 ML:2.8 0.004350766 0.192 AML other m 2021-09-20T13:08:04.21
IX.COL3.HHN.02 ML:2.8 0.0043169555 0.2688 AML other m 2021-09-20T13:08:04.11
IV.MTMR.HNN. ML:2.2 0.0010489416999999999 0.2304 AML other m 2021-09-20T13:08:04.71
IV.CAFE.HHN. ML:2.5 0.0018947725000000002 0.2816 AML other m 2021-09-20T13:08:04.96
IV.CAFE.HNN. ML:2.5 0.001846584 0.2944 AML other m 2021-09-20T13:08:04.96
IV.CAFE.HHE. ML:2.7 0.002675 1.78 AML other m 2021-09-20T13:08:05.03
IX.CLT3.EHE.02 ML:2.6 0.002705 0.24 AML other m 2021-09-20T13:08:05.92
IX.CLT3.HNE.01 ML:2.7 0.0028599999999999997 0.24 AML other m 2021-09-20T13:08:05.92
IV.SGO.HHE. ML:2.4 0.0010772656 0.1984 AML other m 2021-09-20T13:08:05.92
IV.SGO.HHN. ML:2.5 0.0016 1.84 AML other m 2021-09-20T13:08:06.93
IV.CAFE.HNE. ML:2.7 0.0025662775 0.2688 AML other m 2021-09-20T13:08:06.21
IX.SCL3.EHE.02 ML:2.4 0.001295 0.12 AML other m 2021-09-20T13:08:07.07
IX.CLT3.EHN.02 ML:2.7 0.0033528835 0.288 AML other m 2021-09-20T13:08:07.30
IX.SCL3.EHN.02 ML:2.6 0.00165185 0.1088 AML other m 2021-09-20T13:08:07.84
IV.CDRU.HHE. ML:2.0 0.00041212695 0.1408 AML other m 2021-09-20T13:08:07.88
IX.CLT3.HNN.01 ML:2.7 0.0031941705000000003 0.256 AML other m 2021-09-20T13:08:08.06
IV.VULT.HHN. ML:2.2 0.0005415051 0.1216 AML other m 2021-09-20T13:08:08.73
IV.VULT.HNN. ML:2.2 0.00049392735 0.128 AML other m 2021-09-20T13:08:08.73
IV.CDRU.HNE. ML:2.2 0.00055131955 0.16 AML other m 2021-09-20T13:08:09.04
IV.CDRU.HNN. ML:2.0 0.0004034841 0.128 AML other m 2021-09-20T13:08:09.52
IV.CDRU.HHN. ML:2.1 0.00041893585 0.1152 AML other m 2021-09-20T13:08:09.47
IV.MRB1.HNN. ML:2.0 0.00031699285 0.2624 AML other m 2021-09-20T13:08:10.34
IV.VULT.HNE. ML:2.2 0.000506552 0.1664 AML other m 2021-09-20T13:08:10.82
IV.VULT.HHE. ML:2.2 0.0005553221 0.1792 AML other m 2021-09-20T13:08:10.91
IX.SRN3.HHN.02 ML:2.8 0.00188 0.34 AML other m 2021-09-20T13:08:11.24
IX.SRN3.HHE.02 ML:2.6 0.001285 0.24 AML other m 2021-09-20T13:08:11.33
IV.SGTA.HHE. ML:1.9 0.00026707975 0.384 AML other m 2021-09-20T13:08:11.52
IV.SGTA.HHN. ML:1.9 0.0002505289 0.3392 AML other m 2021-09-20T13:08:11.46
IV.MRB1.HHN. ML:2.1 0.00037776935 0.224 AML other m 2021-09-20T13:08:11.65
IV.MRB1.HHE. ML:2.0 0.00035592100000000004 0.3392 AML other m 2021-09-20T13:08:12.76
IV.MRB1.HNE. ML:2.0 0.00034559269999999995 0.3456 AML other m 2021-09-20T13:08:12.76
IV.SLCN.HHE. ML:2.4 0.00047799999999999996 0.34 AML other m 2021-09-20T13:08:18.99
IV.SLCN.HNE. ML:2.3 0.00044065224999999996 0.3392 AML other m 2021-09-20T13:08:18.83
IX.PGN3.HHN.02 ML:1.9 0.0001705 1.34 AML other m 2021-09-20T13:08:19.91
IX.PGN3.HHE.02 ML:1.7 0.00010762223500000002 0.192 AML other m 2021-09-20T13:08:19.24
IV.SLCN.HHN. ML:2.1 0.00028012365 0.2624 AML other m 2021-09-20T13:08:20.96
IV.MTSN.HHN. ML:2.2 0.00022165409999999998 0.3008 AML other m 2021-09-20T13:08:22.31
IV.MTSN.HNN. ML:2.2 0.0002136958 0.3008 AML other m 2021-09-20T13:08:22.32
IV.MRVN.HHN. ML:2.2 0.000207 0.4 AML other m 2021-09-20T13:08:22.60
IV.MTSN.HHE. ML:2.2 0.0002027927 0.384 AML other m 2021-09-20T13:08:22.79
IV.MRVN.HHE. ML:1.8 0.0000824 0.44 AML other m 2021-09-20T13:08:22.72
IV.MTSN.HNE. ML:2.2 0.00023041305000000002 0.3776 AML other m 2021-09-20T13:08:23.97
IV.SIRI.HHN. ML:2.3 0.000219 0.22 AML other m 2021-09-20T13:08:25.05
IV.SIRI.HNN. ML:2.2 0.0002057813 0.224 AML other m 2021-09-20T13:08:25.17
IV.SIRI.HHE. ML:1.6 0.00005165 0.8 AML other m 2021-09-20T13:08:26.55
IV.MGR.HHN. ML:2.3 0.000251 0.3 AML other m 2021-09-20T13:08:27.85
IV.SIRI.HNE. ML:2.3 0.00021073475 0.2752 AML other m 2021-09-20T13:08:27.76
OT.OT12.EHN. ML:2.1 0.00010429946500000001 0.6592 AML other m 2021-09-20T13:08:28.50
IV.MGR.HHE. ML:2.2 0.00020400000000000003 0.28 AML other m 2021-09-20T13:08:28.66
IV.APRC.HHN. ML:2.4 0.0002175 1.52 AML other m 2021-09-20T13:08:29.17
IV.APRC.HHE. ML:2.3 0.00016509779999999998 0.1984 AML other m 2021-09-20T13:08:30.14
IV.APRC.HNE. ML:2.3 0.00016541335 0.2688 AML other m 2021-09-20T13:08:30.01
IV.AMUR.HNE. ML:2.1 0.00008739438 0.2112 AML other m 2021-09-20T13:08:30.41
IV.SGRT.HHN. ML:2.1 0.00010307917999999999 0.2368 AML other m 2021-09-20T13:08:31.95
OT.OT12.EHE. ML:1.8 0.00005777591999999999 0.2176 AML other m 2021-09-20T13:08:32.27
IV.AMUR.HHN. ML:1.9 0.00005751527 0.2432 AML other m 2021-09-20T13:08:32.86
IV.AMUR.HNN. ML:1.9 0.00005626017 0.2176 AML other m 2021-09-20T13:08:32.86
IV.AMUR.HHE. ML:1.8 0.00004894275 0.1792 AML other m 2021-09-20T13:08:32.79
IV.SGRT.HHE. ML:2.2 0.00011872182000000001 0.16 AML other m 2021-09-20T13:08:33.24
IV.MSAG.HNE. ML:2.2 0.000118430235 0.32 AML other m 2021-09-20T13:08:35.05
IV.MSAG.HHE. ML:1.8 0.000050282215000000006 0.32 AML other m 2021-09-20T13:08:35.05
IV.MSAG.HNN. ML:2.4 0.00020174605 0.1792 AML other m 2021-09-20T13:08:36.33
IV.MSAG.HHN. ML:2.1 0.00008927843999999998 0.1792 AML other m 2021-09-20T13:08:36.33
OT.OT13.EHE. ML:2.6 0.0002192684 0.2368 AML other m 2021-09-20T13:08:39.96
IV.GRIS.EHE. ML:2.2 0.00010154518 0.7424 AML other m 2021-09-20T13:08:42.06
OT.OT13.EHN. ML:2.7 0.00027268035000000004 0.2176 AML other m 2021-09-20T13:08:42.36
IV.GRIS.EHN. ML:2.0 0.000059060180000000006 0.64 AML other m 2021-09-20T13:08:46.66
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