Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.3 on date 01-02-2023 and time 08:58:19 (UTC) in region 2 km E Alvignano (CE)

A magnitude ML 2.3 earthquake occured in region: 2 km E Alvignano (CE), on

  • 01-02-2023 08:58:19 (UTC)
  • 01-02-2023 09:58:19 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.2450, 14.3600 at 7 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
Alvignano CE 2 4824 4824
Dragoni CE 5 2108 6932
Ruviano CE 6 1655 8587
Liberi CE 7 1153 9740
Caiazzo CE 7 5595 15335
Puglianello BN 8 1349 16684
Castel di Sasso CE 8 1171 17855
Piana di Monte Verna CE 9 2390 20245
Gioia Sannitica CE 9 3638 23883
Alife CE 10 7616 31499
Amorosi BN 10 2797 34296
Castel Campagnano CE 10 1581 35877
Pontelatone CE 11 1703 37580
Faicchio BN 11 3634 41214
San Potito Sannitico CE 11 1925 43139
Baia e Latina CE 11 2197 45336
Formicola CE 11 1488 46824
San Salvatore Telesino BN 11 3999 50823
Limatola BN 12 4073 54896
Roccaromana CE 12 856 55752
Piedimonte Matese CE 13 11297 67049
Castel Morrone CE 14 3858 70907
Castello del Matese CE 14 1494 72401
Camigliano CE 14 1943 74344
Bellona CE 14 6053 80397
Dugenta BN 14 2798 83195
Giano Vetusto CE 15 647 83842
Telese Terme BN 15 7486 91328
Vitulazio CE 15 7420 98748
Pietramelara CE 15 4722 103470
Pastorano CE 15 3033 106503
Melizzano BN 15 1858 108361
San Lorenzello BN 16 2227 110588
Sant'Angelo d'Alife CE 16 2270 112858
Castelvenere BN 16 2562 115420
San Gregorio Matese CE 16 988 116408
Cusano Mutri BN 16 4091 120499
Rocchetta e Croce CE 17 460 120959
Pignataro Maggiore CE 17 6084 127043
Frasso Telesino BN 17 2318 129361
Cerreto Sannita BN 17 3940 133301
Raviscanina CE 17 1319 134620
Solopaca BN 17 3820 138440
Riardo CE 18 2321 140761
Casagiove CE 18 13651 154412
Pietravairano CE 19 2984 157396
San Prisco CE 19 12345 169741
Valle di Maddaloni CE 19 2742 172483
Caserta CE 19 76326 248809
Calvi Risorta CE 19 5707 254516
Pietraroja BN 20 545 255061
Capua CE 20 18820 273881
Casapulla CE 20 8628 282509
Curti CE 20 7132 289641

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km N of Caserta (76326 inhabitants)
33 Km NE of Aversa (53047 inhabitants)
33 Km N of Acerra (59573 inhabitants)
36 Km N of Afragola (65057 inhabitants)
38 Km W of Benevento (60091 inhabitants)
38 Km NE of Giugliano in Campania (122974 inhabitants)
38 Km N of Casoria (77642 inhabitants)
41 Km NE of Marano di Napoli (59874 inhabitants)
46 Km N of Napoli (974074 inhabitants)
47 Km N of Portici (55274 inhabitants)
48 Km N of Ercolano (53709 inhabitants)
50 Km NE of Pozzuoli (81661 inhabitants)
51 Km N of Torre del Greco (86275 inhabitants)
52 Km NW of Avellino (54857 inhabitants)
57 Km N of Scafati (50787 inhabitants)
62 Km N of Castellammare di Stabia (66466 inhabitants)
67 Km NW of Cava de' Tirreni (53659 inhabitants)
71 Km NW of Salerno (135261 inhabitants)
88 Km NW of Battipaglia (50786 inhabitants)
98 Km SW 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 2023-02-01
08:58:19		 41.2447 14.3603 7 2024-03-01
17:18:10		 Bollettino Sismico Italiano INGV 117902411
Reviewed
Rev100 		ML 2.4 2023-02-01
08:58:19		 41.2362 14.356 7 2023-02-01
09:16:20		 Sala Sismica INGV-Roma 113953571
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-01 08:58:19 ± 0.08
Latitude 41.2447 ± 0.0045
Longitude 14.3603 ± 0.0060
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 117902411

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 484
Semi-minor axis of confidence ellipse (meter) 157
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 94
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) 49
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 26
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) 0.14299
Epicentral distance of station farthest from the epicenter (degree) 0.76442
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 21
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations 38
Type of magnitude ML
Reference to an origin 117902411
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-08-22 15:31:36

ML:2.4

Field Value
Value 2.4
Uncertainty 0.2
Num. used stations 34
Type of magnitude ML
Reference to an origin 113953571
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-02-01 09:16:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MCRV.HHZ. 2023-02-01T08:58:34.62 0.6 undecidable manual P 127 84.8484 50 -0.09 45
IV.LRP.EHZ. 2023-02-01T08:58:34.01 0.3 undecidable manual P 305 78.2661 50 0.31 65
IV.MELA.HHZ. 2023-02-01T08:58:33.65 0.6 undecidable manual P 51 81.7515 50 -0.57 40
IV.POFI.HHZ. 2023-02-01T08:58:33.44 0.3 undecidable manual P 314 75.1692 50 0.22 67
IV.BSSO.HHZ. 2023-02-01T08:58:33.66 0.6 undecidable manual S 30 38.628 100 0.35 46
IV.SACR.HHZ. 2023-02-01T08:58:31.54 0.6 undecidable manual S 59 33.3444 102 0.03 50
IV.MCI.EHE. 2023-02-01T08:58:30.72 1.0 undecidable manual P 301 53.1024 50 0.9 19
IV.PTMR.HHN. 2023-02-01T08:58:30.10 0.6 undecidable manual P 207 60.0954 50 -0.8 38
IV.PABO.HHN. 2023-02-01T08:58:30.10 0.6 undecidable manual P 2 55.9995 50 -0.16 47
IV.PAOL.HHZ. 2023-02-01T08:58:30.64 0.6 undecidable manual S 144 29.3484 103 0.51 45
IV.VVDG.HHE. 2023-02-01T08:58:29.06 0.3 undecidable manual P 173 45.7209 50 0.39 68
IV.VTIR.HHZ. 2023-02-01T08:58:29.44 0.3 undecidable manual P 174 49.0176 50 0.26 70
IV.VBKE.HNE. 2023-02-01T08:58:29.41 0.6 undecidable manual P 172 47.7189 50 0.43 45
IV.OVO.HHZ. 2023-02-01T08:58:29.13 0.6 undecidable manual P 176 46.4202 50 0.35 46
IV.MRB1.HHZ. 2023-02-01T08:58:29.41 0.3 undecidable manual P 105 52.503 50 -0.31 68
IV.GATE.HHZ. 2023-02-01T08:58:29.76 0.3 undecidable manual P 57 54.6009 50 -0.29 68
IV.RNI2.HNE. 2023-02-01T08:58:29.85 0.3 undecidable manual P 341 53.7018 50 -0.06 72
IV.CERA.HHZ. 2023-02-01T08:58:28.84 0.3 undecidable manual P 324 48.4182 50 -0.25 70
IV.VAGA.HHZ. 2023-02-01T08:58:28.17 0.6 undecidable manual S 331 21.6672 108 0.6 44
IV.VCRE.HHZ. 2023-02-01T08:58:28.96 0.6 undecidable manual P 173 47.619 50 0 49
IV.BSSO.HHZ. 2023-02-01T08:58:27.49 0.1 undecidable manual P 30 38.628 100 -0.06 99
IV.SACR.HHZ. 2023-02-01T08:58:26.57 0.3 undecidable manual P 59 33.3444 102 0.06 75
IV.PAOL.HHZ. 2023-02-01T08:58:25.40 0.3 undecidable manual P 144 29.3484 103 -0.31 71
IV.PIGN.HNZ. 2023-02-01T08:58:25.47 0.3 undecidable manual S 252 15.873 114 -0.21 75
IV.VAGA.HHZ. 2023-02-01T08:58:24.06 0.3 undecidable manual P 331 21.6672 108 -0.17 74
IV.PIGN.HNZ. 2023-02-01T08:58:22.96 0.1 undecidable manual P 252 15.873 114 -0.18 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PIGN.HNN. ML:2.6 0.003615 1.8 AML other m 2023-02-01T08:58:26.91
IV.PIGN.HHN. ML:2.6 0.0038450000000000003 1.78 AML other m 2023-02-01T08:58:26.91
IV.PIGN.HHE. ML:2.5 0.003228554 0.1856 AML other m 2023-02-01T08:58:27.52
IV.PIGN.HNE. ML:2.4 0.00279 0.18 AML other m 2023-02-01T08:58:27.53
IV.PAOL.HHN. ML:2.5 0.00175 0.22 AML other m 2023-02-01T08:58:31.32
IV.PAOL.HNN. ML:2.5 0.00157 0.22 AML other m 2023-02-01T08:58:31.32
IV.PAOL.HNE. ML:2.4 0.001185 0.26 AML other m 2023-02-01T08:58:31.53
IV.PAOL.HHE. ML:2.4 0.0013050000000000002 0.26 AML other m 2023-02-01T08:58:31.53
IV.VAGA.HNE. ML:2.3 0.0013562745000000001 0.2368 AML other m 2023-02-01T08:58:32.78
IV.VAGA.HHE. ML:2.3 0.0014200205 0.2432 AML other m 2023-02-01T08:58:32.78
IV.SACR.HNN. ML:2.4 0.0011829999999999998 0.6 AML other m 2023-02-01T08:58:34.76
IV.SACR.HHN. ML:2.4 0.00118328735 0.5952 AML other m 2023-02-01T08:58:34.76
IV.VAGA.HNN. ML:2.5 0.0025454214999999997 0.2816 AML other m 2023-02-01T08:58:36.85
IV.VAGA.HHN. ML:2.6 0.0026133199999999997 0.2816 AML other m 2023-02-01T08:58:36.85
IV.SACR.HHE. ML:2.4 0.0012349999999999998 0.7 AML other m 2023-02-01T08:58:36.58
IV.SACR.HNE. ML:2.4 0.0011735 0.74 AML other m 2023-02-01T08:58:36.57
IV.VTIR.HHE. ML:2.2 0.0003840592 0.1408 AML other m 2023-02-01T08:58:40.70
IV.CERA.HHN. ML:2.1 0.00035431065 0.9792 AML other m 2023-02-01T08:58:42.68
IV.CERA.HNN. ML:2.1 0.00036023000000000007 0.9664 AML other m 2023-02-01T08:58:42.68
IV.CERA.HHE. ML:2.2 0.000406 0.66 AML other m 2023-02-01T08:58:45.53
IV.CERA.HNE. ML:2.2 0.00040896370000000006 0.6272 AML other m 2023-02-01T08:58:45.22
IV.VTIR.HHN. ML:2.1 0.00036350000000000005 1.66 AML other m 2023-02-01T08:58:45.07
IV.POFI.HHE. ML:1.6 0.000058992514999999996 0.64 AML other m 2023-02-01T08:58:46.66
IV.GATE.HNN. ML:2.1 0.00027949999999999996 0.42 AML other m 2023-02-01T08:58:47.45
IV.GATE.HHN. ML:2.1 0.00029049999999999996 0.42 AML other m 2023-02-01T08:58:47.46
IV.LRP.EHN. ML:1.5 0.000052480509999999994 0.2816 AML other m 2023-02-01T08:58:47.69
IV.MELA.HHN. ML:2.6 0.0005174419 0.384 AML other m 2023-02-01T08:58:49.12
IV.MELA.HNN. ML:2.6 0.0005240452999999999 0.3968 AML other m 2023-02-01T08:58:49.12
IV.MELA.HNE. ML:2.5 0.0004665 0.42 AML other m 2023-02-01T08:58:49.22
IV.MELA.HHE. ML:2.6 0.0005375 0.42 AML other m 2023-02-01T08:58:49.22
IV.POFI.HHN. ML:1.6 0.00005898394 0.3008 AML other m 2023-02-01T08:58:49.29
IV.GATE.HNE. ML:2.1 0.000326 0.52 AML other m 2023-02-01T08:58:50.14
IV.GATE.HHE. ML:2.1 0.000311 0.52 AML other m 2023-02-01T08:58:50.14
IV.LRP.EHE. ML:1.8 0.00009775 0.24 AML other m 2023-02-01T08:58:50.47
IV.MCRV.HHE. ML:2.1 0.00015524895 0.2816 AML other m 2023-02-01T08:58:51.02
IV.POFI.HNE. ML:2.0 0.00015565590000000002 0.4928 AML other m 2023-02-01T08:58:52.45
IV.POFI.HNN. ML:2.1 0.00017489035 0.6656 AML other m 2023-02-01T08:58:53.26
IV.MCRV.HHN. ML:2.2 0.00019649430000000001 0.3392 AML other m 2023-02-01T08:58:53.70
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