Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 21-07-2021 and time 00:18:21 (Italy) in region 2 km E Santa Maria la Fossa (CE)

A magnitude ML 2.2 earthquake occured in region: 2 km E Santa Maria la Fossa (CE), on

  • 20-07-2021 22:18:21 (UTC)
  • 21-07-2021 00:18:21 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.1010, 14.1580 at 8 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
Santa Maria la Fossa CE 2 2729 2729
Capua CE 5 18820 21549
Grazzanise CE 5 7067 28616
San Tammaro CE 7 5549 34165
Vitulazio CE 9 7420 41585
Bellona CE 9 6053 47638
Santa Maria Capua Vetere CE 9 32802 80440
Pastorano CE 10 3033 83473
Pignataro Maggiore CE 10 6084 89557
Camigliano CE 10 1943 91500
San Prisco CE 10 12345 103845
Curti CE 10 7132 110977
Casal di Principe CE 11 21389 132366
Macerata Campania CE 11 10609 142975
Villa di Briano CE 11 7087 150062
San Cipriano d'Aversa CE 11 13653 163715
Casaluce CE 11 10078 173793
Sparanise CE 11 7429 181222
Casapulla CE 11 8628 189850
Cancello ed Arnone CE 11 5675 195525
Portico di Caserta CE 11 7802 203327
Frignano CE 12 9008 212335
Giano Vetusto CE 12 647 212982
Villa Literno CE 12 11985 224967
Casapesenna CE 13 6987 231954
Teverola CE 13 14291 246245
San Marcellino CE 13 14155 260400
Francolise CE 13 4922 265322
Pontelatone CE 13 1703 267025
Casagiove CE 13 13651 280676
Calvi Risorta CE 13 5707 286383
Recale CE 13 7773 294156
Carinaro CE 13 7181 301337
Capodrise CE 14 10094 311431
Trentola-Ducenta CE 14 19429 330860
Formicola CE 14 1488 332348
Marcianise CE 14 39803 372151
Gricignano di Aversa CE 15 11881 384032
Aversa CE 15 53047 437079
Lusciano CE 15 15362 452441
Caserta CE 15 76326 528767
Castel di Sasso CE 15 1171 529938
Rocchetta e Croce CE 15 460 530398
San Nicola la Strada CE 15 22448 552846
Parete CE 16 11442 564288
Cesa CE 16 8841 573129
Piana di Monte Verna CE 17 2390 575519
Castel Morrone CE 17 3858 579377
Succivo CE 17 8457 587834
San Marco Evangelista CE 17 6532 594366
Liberi CE 17 1153 595519
Orta di Atella CE 18 27191 622710
Sant'Arpino CE 18 14307 637017
Carinola CE 18 7283 644300
Teano CE 18 12577 656877
Riardo CE 18 2321 659198
Frattaminore NA 19 16208 675406
Pietramelara CE 19 4722 680128
Falciano del Massico CE 19 3695 683823
Giugliano in Campania NA 19 122974 806797
Caiazzo CE 19 5595 812392
Crispano NA 20 12354 824746
Castel Volturno CE 20 25281 850027
Sant'Antimo NA 20 33905 883932
Caivano NA 20 37879 921811
Grumo Nevano NA 20 18061 939872
Casandrino NA 20 14336 954208
Qualiano NA 20 25702 979910
Villaricca NA 20 31122 1011032

Municipalities with at least 50000 inhabitants

An earthquake occurred to
15 Km N of Aversa (53047 inhabitants)
15 Km W of Caserta (76326 inhabitants)
19 Km N of Giugliano in Campania (122974 inhabitants)
23 Km N of Marano di Napoli (59874 inhabitants)
24 Km NW of Afragola (65057 inhabitants)
24 Km NW of Casoria (77642 inhabitants)
25 Km NW of Acerra (59573 inhabitants)
29 Km N of Pozzuoli (81661 inhabitants)
30 Km N of Napoli (974074 inhabitants)
35 Km NW of Portici (55274 inhabitants)
36 Km NW of Ercolano (53709 inhabitants)
39 Km NW of Torre del Greco (86275 inhabitants)
50 Km NW of Scafati (50787 inhabitants)
52 Km W of Benevento (60091 inhabitants)
53 Km NW of Castellammare di Stabia (66466 inhabitants)
57 Km W of Avellino (54857 inhabitants)
64 Km NW of Cava de' Tirreni (53659 inhabitants)
69 Km NW of Salerno (135261 inhabitants)
88 Km NW of Battipaglia (50786 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 2021-07-20
22:18:21		 41.1008 14.1585 9 2021-12-29
11:12:26		 Bollettino Sismico Italiano INGV 95112921
Reviewed
Rev100 		ML 2.2 2021-07-20
22:18:21		 41.1072 14.1638 10 2021-07-20
22:27:01		 Sala Sismica INGV-Roma 93001461
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-07-20 22:18:21 ± 0.09
Latitude 41.1008 ± 0.0045
Longitude 14.1585 ± 0.0095
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 95112921

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 704
Semi-minor axis of confidence ellipse (meter) 440
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 267
Circular confidence region, given by single value of horizontal uncertainty (meter) 700.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 53
Number of associated phases, regardless of their use for origin computation 56
Number of defining phases 45
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.35528
Number of stations at which the event was observed 44
Number of stations from which data was used for origin computation 34
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 58
Type of magnitude ML
Reference to an origin 95112921
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-11-03 20:53:11

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 56
Type of magnitude ML
Reference to an origin 93001461
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-07-20 22:27:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GIZZ.HHZ. 2021-07-20T22:31:35.60 3.0 undecidable manual S 9.999 0
IV.IMOL.HNZ. 2021-07-20T22:20:17.34 3.0 undecidable manual Sg 13.39 0
IV.FIR.HHZ. 2021-07-20T22:20:00.92 3.0 undecidable manual Sn 3.95 0
IV.SARZ.HHZ. 2021-07-20T22:19:56.12 3.0 negative manual P 1.313 0
IV.ZONE.HHZ. 2021-07-20T22:19:45.82 3.0 undecidable manual P 1.02 0
IV.ARVD.HHZ. 2021-07-20T22:19:34.79 3.0 undecidable manual Sn -1.1 0
AC.SRN.HHZ. 2021-07-20T22:19:29.94 3.0 undecidable manual P -2.12 0
IV.AGLI.HHZ. 2021-07-20T22:19:27.79 3.0 undecidable manual P 7.14 0
IV.ECTS.HHZ. 2021-07-20T22:19:24.91 3.0 undecidable manual P 1.073 0
IV.GIZZ.HHZ. 2021-07-20T22:19:12.53 3.0 undecidable manual P 7.6 0
IV.ARRO.EHZ. 2021-07-20T22:18:55.40 3.0 undecidable manual P 1.71 0
IV.SGRT.HHZ. 2021-07-20T22:18:46.56 0.3 undecidable manual P 61 150.4383 50 0.51 53
IV.VENT.EHZ. 2021-07-20T22:18:44.00 0.6 undecidable manual S 241 70.4739 50 1.05 33
IV.MELA.HHZ. 2021-07-20T22:18:40.33 0.3 undecidable manual P 50 104.9172 50 1.3 41
IV.LATB.EHZ. 2021-07-20T22:18:38.54 0.3 undecidable manual P 294 108.8133 50 -1.09 45
IV.VVLD.HHZ. 2021-07-20T22:18:37.84 0.3 undecidable manual P 333 96.2259 50 0.16 64
IV.POFI.HHZ. 2021-07-20T22:18:36.05 0.3 undecidable manual P 332 77.8665 50 1.19 45
IV.TRIV.HHZ. 2021-07-20T22:18:35.39 1.0 undecidable manual P 24 80.7636 50 0.09 22
IV.GIUL.HHZ. 2021-07-20T22:18:35.92 0.3 undecidable manual P 304 90.8424 50 -0.93 50
IX.MNT3.EHZ.02 2021-07-20T22:18:34.70 0.6 undecidable manual P 112 76.8675 50 0 46
IV.VCRE.HHZ. 2021-07-20T22:18:34.10 0.6 undecidable manual S 144 38.7279 50 -0.38 45
IV.VVDG.HHZ. 2021-07-20T22:18:34.11 1.0 undecidable manual S 143 36.8298 50 0.13 24
IV.VENT.EHZ. 2021-07-20T22:18:33.69 0.3 undecidable manual P 241 70.4739 50 -0.03 69
IV.CBAC.EHZ. 2021-07-20T22:18:33.00 0.6 undecidable manual S 191 32.9448 105 0.08 49
IV.PAOL.HHZ. 2021-07-20T22:18:32.54 0.6 undecidable manual S 103 35.0427 50 -0.96 37
IV.BSSO.HHZ. 2021-07-20T22:18:32.68 0.3 undecidable manual P 36 61.2942 50 0.37 65
IV.CFMN.HHZ. 2021-07-20T22:18:32.00 0.6 undecidable manual S 190 30.2475 106 -0.01 50
IV.CPOZ.HHZ. 2021-07-20T22:18:32.67 0.6 undecidable manual S 186 31.2465 105 0.33 46
IV.SACR.HHZ. 2021-07-20T22:18:32.16 0.3 undecidable manual P 54 56.2992 50 0.62 61
IV.CSOB.HNZ. 2021-07-20T22:18:32.26 0.6 undecidable manual S 182 30.4473 106 0.16 48
IV.CSFT.HHZ. 2021-07-20T22:18:31.98 0.6 undecidable manual S 183 30.1476 106 -0.03 49
IV.PSB1.HNE. 2021-07-20T22:18:31.78 0.3 undecidable manual P 76 56.0994 50 0.27 67
IV.CPIS.HHZ. 2021-07-20T22:18:31.72 0.6 undecidable manual S 182 30.1476 106 -0.27 47
IV.MCI.EHZ. 2021-07-20T22:18:30.62 0.6 undecidable manual P 326 52.0035 50 -0.26 45
IV.IOCA.HHZ. 2021-07-20T22:18:29.73 0.3 undecidable manual P 209 44.9217 50 -0.06 72
IV.VCRE.HHZ. 2021-07-20T22:18:29.36 0.6 undecidable manual P 144 38.7279 50 0.53 44
IV.VTIR.HHZ. 2021-07-20T22:18:29.34 1.0 undecidable manual P 146 39.5271 50 0.38 23
IV.CFB2.HHZ. 2021-07-20T22:18:28.17 0.6 undecidable manual P 184 32.9448 105 0.23 47
IV.VVDG.HHZ. 2021-07-20T22:18:28.70 0.6 undecidable manual P 143 36.8298 50 0.16 48
IV.CFB1.HHZ. 2021-07-20T22:18:28.30 0.6 undecidable manual P 186 32.3454 105 0.47 45
IV.VITU.HHZ. 2021-07-20T22:18:28.65 0.3 undecidable manual P 77 40.4262 50 -0.45 67
IV.CMIS.HHZ. 2021-07-20T22:18:28.28 1.0 undecidable manual P 189 36.2415 50 -0.17 24
IV.CRTO.HHZ. 2021-07-20T22:18:28.76 1.0 undecidable manual P 144 38.1285 50 0.03 24
IV.VBKN.HHZ. 2021-07-20T22:18:28.58 0.3 undecidable manual P 143 37.629 50 -0.09 72
IV.SGG.HHZ. 2021-07-20T22:18:28.33 0.3 undecidable manual P 30 36.6411 50 -0.18 71
IV.CPIS.HHZ. 2021-07-20T22:18:27.25 0.3 undecidable manual P 182 30.1476 106 -0.14 72
IV.CSFT.HHZ. 2021-07-20T22:18:27.36 0.3 undecidable manual P 183 30.1476 106 -0.04 74
IV.CSOB.HNZ. 2021-07-20T22:18:27.34 0.3 undecidable manual P 182 30.4473 106 -0.11 73
IV.VAGA.HHZ. 2021-07-20T22:18:27.69 0.3 undecidable manual P 10 35.4423 50 -0.64 63
IV.PAOL.HHZ. 2021-07-20T22:18:27.68 0.3 undecidable manual P 103 35.0427 50 -0.59 64
IV.CFMN.HHZ. 2021-07-20T22:18:27.30 0.6 undecidable manual P 190 30.2475 106 -0.11 49
IV.CBAC.EHZ. 2021-07-20T22:18:27.74 0.3 undecidable manual P 191 32.9448 105 -0.19 71
IV.CPOZ.HHZ. 2021-07-20T22:18:27.40 0.6 undecidable manual P 186 31.2465 105 -0.2 48
IV.CAAM.HHZ. 2021-07-20T22:18:27.89 0.6 undecidable manual P 183 31.1466 105 0.29 47
IV.PIGN.HHZ. 2021-07-20T22:18:26.00 0.6 undecidable manual S 9 11.1777 127 0.01 51
IV.PIGN.HHZ. 2021-07-20T22:18:23.80 0.1 undecidable manual P 9 11.1777 127 -0.13 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PIGN.HHE. ML:2.6 0.004860000000000001 0.42 AML other m 2021-07-20T22:18:27.16
IV.PIGN.HNE. ML:2.5 0.00452 0.4 AML other m 2021-07-20T22:18:27.17
IV.PIGN.HHN. ML:2.5 0.004105 0.36 AML other m 2021-07-20T22:18:27.29
IV.PIGN.HNN. ML:2.5 0.00392 0.42 AML other m 2021-07-20T22:18:27.29
IV.CFMN.HHE. ML:2.4 0.0012250000000000002 0.38 AML other m 2021-07-20T22:18:33.73
IV.CFMN.HHN. ML:2.4 0.0012549999999999998 0.38 AML other m 2021-07-20T22:18:34.69
IV.PAOL.HNE. ML:2.1 0.000558 0.92 AML other m 2021-07-20T22:18:35.44
IV.PAOL.HNN. ML:2.2 0.0006245 0.24 AML other m 2021-07-20T22:18:36.31
IV.PAOL.HHN. ML:2.2 0.0006670000000000001 0.26 AML other m 2021-07-20T22:18:36.32
IV.PAOL.HHE. ML:2.1 0.00047650000000000004 0.66 AML other m 2021-07-20T22:18:36.45
IV.CSFT.HHN. ML:3.1 0.006 0.16 AML other m 2021-07-20T22:18:38.34
IV.CSFT.HHE. ML:3.1 0.00613 0.18 AML other m 2021-07-20T22:18:38.27
IV.VITU.HHN. ML:2.5 0.0010674999999999999 0.32 AML other m 2021-07-20T22:18:39.36
IV.VITU.HHE. ML:2.3 0.000746 1.2 AML other m 2021-07-20T22:18:39.81
IV.VAGA.HHE. ML:1.9 0.0003255 0.98 AML other m 2021-07-20T22:18:39.03
IV.IOCA.HHE. ML:2.7 0.001495 0.56 AML other m 2021-07-20T22:18:39.86
IV.SGG.HHN. ML:2.2 0.0005740000000000001 0.34 AML other m 2021-07-20T22:18:39.82
IV.VTIR.HHN. ML:1.9 0.000307 0.2 AML other m 2021-07-20T22:18:40.32
IV.SGG.HNN. ML:2.2 0.000647 0.42 AML other m 2021-07-20T22:18:40.44
IV.SGG.HNE. ML:2.3 0.0008504999999999999 0.98 AML other m 2021-07-20T22:18:40.94
IV.IOCA.HHN. ML:2.6 0.001285 1.6 AML other m 2021-07-20T22:18:40.16
IV.SGG.HHE. ML:2.2 0.000662 0.68 AML other m 2021-07-20T22:18:40.64
IV.VAGA.HHN. ML:2.3 0.0008415 1.52 AML other m 2021-07-20T22:18:41.82
IV.VAGA.HNN. ML:2.3 0.000793 1.52 AML other m 2021-07-20T22:18:41.83
IV.VAGA.HNE. ML:2.0 0.00042600000000000005 0.52 AML other m 2021-07-20T22:18:41.32
IV.VTIR.HHE. ML:2.1 0.00044750000000000004 0.8 AML other m 2021-07-20T22:18:41.13
IV.MCI.EHN. ML:2.2 0.000426 0.48 AML other m 2021-07-20T22:18:42.48
IV.VCRE.HHE. ML:2.5 0.0011335000000000002 0.72 AML other m 2021-07-20T22:18:43.99
IV.VENT.EHN. ML:2.7 0.0009455 0.44 AML other m 2021-07-20T22:18:44.59
IV.MCI.EHE. ML:2.3 0.000461 0.24 AML other m 2021-07-20T22:18:45.27
IV.VENT.EHE. ML:2.6 0.0006625000000000001 0.28 AML other m 2021-07-20T22:18:47.46
IV.BSSO.HNN. ML:2.0 0.000202 1.38 AML other m 2021-07-20T22:18:47.95
IV.BSSO.HHN. ML:2.0 0.0002185 1.38 AML other m 2021-07-20T22:18:47.95
IV.BSSO.HHE. ML:2.0 0.0001905 0.68 AML other m 2021-07-20T22:18:48.52
IV.SACR.HNE. ML:2.9 0.0019055 1.48 AML other m 2021-07-20T22:18:48.92
IV.VBKN.HHE. ML:2.6 0.001465 0.36 AML other m 2021-07-20T22:18:48.73
IV.SACR.HHE. ML:1.8 0.0001455 0.4 AML other m 2021-07-20T22:18:48.75
IV.SACR.HHN. ML:1.9 0.0001645 0.64 AML other m 2021-07-20T22:18:49.54
IV.SACR.HNN. ML:1.9 0.0001635 0.66 AML other m 2021-07-20T22:18:49.22
IV.VBKN.HHN. ML:2.4 0.001075 1.5 AML other m 2021-07-20T22:18:50.10
IV.POFI.HHN. ML:1.8 0.00008165 0.38 AML other m 2021-07-20T22:18:50.28
IV.VCRE.HHN. ML:2.3 0.000814 0.78 AML other m 2021-07-20T22:18:50.26
IV.POFI.HHE. ML:2.0 0.0001285 0.48 AML other m 2021-07-20T22:18:51.41
IV.BSSO.HNE. ML:2.0 0.000189 1 AML other m 2021-07-20T22:18:51.12
IV.TRIV.HHN. ML:2.0 0.00013685 1.08 AML other m 2021-07-20T22:18:51.44
IV.TRIV.HHE. ML:2.1 0.00017649999999999998 0.54 AML other m 2021-07-20T22:18:52.11
IX.MNT3.EHN.02 ML:2.0 0.0001325 0.56 AML other m 2021-07-20T22:18:53.02
IV.GIUL.HHN. ML:1.9 0.0000934 0.66 AML other m 2021-07-20T22:18:53.96
IX.MNT3.EHE.02 ML:1.9 0.0001265 0.46 AML other m 2021-07-20T22:18:54.26
IV.VVLD.HHE. ML:1.9 0.00008915000000000001 0.58 AML other m 2021-07-20T22:18:54.92
IV.GIUL.HHE. ML:1.9 0.0000889 1.16 AML other m 2021-07-20T22:18:57.92
IV.VVLD.HHN. ML:2.0 0.0001015 0.6 AML other m 2021-07-20T22:18:58.79
IV.MELA.HHE. ML:2.1 0.000107 0.48 AML other m 2021-07-20T22:19:01.34
IV.MELA.HHN. ML:2.1 0.00011199999999999998 0.42 AML other m 2021-07-20T22:19:03.47
IV.SGRT.HHN. ML:2.1 0.00005955 0.52 AML other m 2021-07-20T22:19:12.21
IV.SGRT.HHE. ML:2.0 0.00005265 1.22 AML other m 2021-07-20T22:19:13.16
IV.ARVD.HHE. ML:2.0 0.0000131 0.06 AML other m 2021-07-20T22:19:44.70
IV.ARVD.HHN. ML:2.0 0.0000165 0.9 AML other m 2021-07-20T22:19:45.29
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