Earthquake with magnitude of ML 1.2 on date 20-05-2023 and time 08:52:12 (Italy) in region Faicchio (BN)

A magnitude ML 1.2 earthquake occured in region: Faicchio (BN), on

  • 20-05-2023 06:52:12 (UTC)
  • 20-05-2023 08:52:12 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.2840, 14.4820 at 16 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Faicchio BN 1 3634 3634
Gioia Sannitica CE 4 3638 7272
San Lorenzello BN 5 2227 9499
San Salvatore Telesino BN 5 3999 13498
Cerreto Sannita BN 6 3940 17438
Cusano Mutri BN 7 4091 21529
Puglianello BN 7 1349 22878
Castelvenere BN 8 2562 25440
Telese Terme BN 8 7486 32926
Amorosi BN 9 2797 35723
Pietraroja BN 9 545 36268
San Potito Sannitico CE 10 1925 38193
Ruviano CE 10 1655 39848
Guardia Sanframondi BN 10 5078 44926
Castel Campagnano CE 11 1581 46507
Solopaca BN 12 3820 50327
Piedimonte Matese CE 12 11297 61624
San Lorenzo Maggiore BN 13 2154 63778
Alvignano CE 13 4824 68602
Castello del Matese CE 13 1494 70096
Alife CE 13 7616 77712
San Lupo BN 13 801 78513
Melizzano BN 14 1858 80371
Dragoni CE 14 2108 82479
Frasso Telesino BN 15 2318 84797
San Gregorio Matese CE 15 988 85785
Caiazzo CE 15 5595 91380
Dugenta BN 17 2798 94178
Morcone BN 17 4932 99110
Limatola BN 17 4073 103183
Pontelandolfo BN 18 2167 105350
Guardiaregia CB 18 801 106151
Piana di Monte Verna CE 18 2390 108541
Liberi CE 18 1153 109694
Sepino CB 18 1964 111658
Casalduni BN 18 1378 113036
Paupisi BN 18 1633 114669
Sassinoro BN 18 618 115287
Campochiaro CB 19 646 115933
Vitulano BN 19 2944 118877
Castel di Sasso CE 19 1171 120048
Ponte BN 19 2580 122628
Baia e Latina CE 19 2197 124825
San Polo Matese CB 20 470 125295
Cautano BN 20 2044 127339
Torrecuso BN 20 3407 130746

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km NE of Caserta (76326 inhabitants)
30 Km NW of Benevento (60091 inhabitants)
39 Km N of Acerra (59573 inhabitants)
41 Km NE of Aversa (53047 inhabitants)
43 Km NE of Afragola (65057 inhabitants)
45 Km NE of Casoria (77642 inhabitants)
46 Km NE of Giugliano in Campania (122974 inhabitants)
49 Km NW of Avellino (54857 inhabitants)
49 Km NE of Marano di Napoli (59874 inhabitants)
52 Km N of Portici (55274 inhabitants)
53 Km NE of Napoli (974074 inhabitants)
54 Km N of Ercolano (53709 inhabitants)
56 Km N of Torre del Greco (86275 inhabitants)
59 Km NE of Pozzuoli (81661 inhabitants)
60 Km N of Scafati (50787 inhabitants)
65 Km N of Castellammare di Stabia (66466 inhabitants)
67 Km N of Cava de' Tirreni (53659 inhabitants)
71 Km NW of Salerno (135261 inhabitants)
86 Km NW of Battipaglia (50786 inhabitants)
87 Km SW of San Severo (53905 inhabitants)
91 Km W of Foggia (151991 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
Reviewed
Rev100
ML 1.2 2023-05-20
06:52:12
41.2837 14.4815 16 2023-05-20
07:03:43
Sala Sismica INGV-Roma 117514321
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-20 06:52:12 ± 0.19
Latitude 41.2837 ± 0.0108
Longitude 14.4815 ± 0.0120
Depth (km) 16 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 117514321

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1243
Semi-minor axis of confidence ellipse (meter) 664
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 212
Circular confidence region, given by single value of horizontal uncertainty (meter) 1240.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 139
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.08813
Epicentral distance of station farthest from the epicenter (degree) 0.26080
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.1
Num. used stations 10
Type of magnitude ML
Reference to an origin 117514321
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-20 07:03:43
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PSB1.HHZ. 2023-05-20T06:52:23.39 0.6 undecidable manual S 104 28.2495 108 0.9 37
IV.VAGA.HHZ. 2023-05-20T06:52:22.15 0.3 undecidable manual S 305 25.2525 111 0.42 70
IV.SACR.HNZ. 2023-05-20T06:52:21.40 0.6 undecidable manual S 56 22.5552 114 0.34 46
IV.VITU.HHZ. 2023-05-20T06:52:19.97 0.3 undecidable manual S 132 16.6722 124 0.28 71
IV.SGG.HHZ. 2023-05-20T06:52:19.53 0.6 undecidable manual S 323 14.2746 130 0.35 48
IV.PAOL.HHZ. 2023-05-20T06:52:18.11 0.1 undecidable manual P 166 28.9488 107 -0.15 97
IV.PTRJ.HHZ. 2023-05-20T06:52:18.09 0.3 undecidable manual S 24 9.7791 143 -0.26 74
IV.PSB1.HHZ. 2023-05-20T06:52:18.24 0.1 undecidable manual P 104 28.2495 108 0.08 98
IV.VAGA.HHZ. 2023-05-20T06:52:17.70 0.6 negative manual P 305 25.2525 111 -0.03 50
IV.SGG.HHZ. 2023-05-20T06:52:16.03 0.3 positive manual P 323 14.2746 130 -0.22 73
IV.VITU.HHZ. 2023-05-20T06:52:16.29 0.6 positive manual P 132 16.6722 124 -0.26 49
IV.SACR.HNZ. 2023-05-20T06:52:16.90 0.1 undecidable manual P 56 22.5552 114 -0.44 93
IV.PTRJ.HHZ. 2023-05-20T06:52:15.59 0.1 negative manual P 24 9.7791 143 -0.19 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SGG.HHE. ML:1.1 0.00010157897 0.2208 AML other m 2023-05-20T06:52:20.77
IV.PTRJ.HHE. ML:1.3 0.000178 0.42 AML other m 2023-05-20T06:52:21.32
IV.SGG.HHN. ML:1.2 0.0001305 1.58 AML other m 2023-05-20T06:52:21.96
IV.PTRJ.HHN. ML:1.2 0.0001375 1.6 AML other m 2023-05-20T06:52:23.09
IV.VAGA.HHE. ML:1.2 0.0000852552 0.1408 AML other m 2023-05-20T06:52:25.33
IV.VAGA.HHN. ML:1.3 0.00009320628000000001 0.2816 AML other m 2023-05-20T06:52:27.67
IV.PTRJ.HNE. ML:1.3 0.0001911952 0.4128 AML other m 2023-05-20T06:52:21.12
IV.SGG.HNE. ML:1.1 0.000099276355 0.6496 AML other m 2023-05-20T06:52:18.40
IV.VAGA.HNE. ML:1.2 0.00008479017999999999 0.1504 AML other m 2023-05-20T06:52:25.33
IV.VAGA.HNN. ML:1.2 0.00009107861500000001 0.368 AML other m 2023-05-20T06:52:27.66
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