Earthquake with magnitude of ML 1.4 on date 21-09-2023 and time 11:22:57 (UTC) in region 3 km SE Cercepiccola (CB)

A magnitude ML 1.4 earthquake occured in region: 3 km SE Cercepiccola (CB), on

  • 21-09-2023 11:22:57 (UTC)
  • 21-09-2023 13:22:57 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.4340, 14.6820 at 14 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
Cercepiccola CB 3 681 681
San Giuliano del Sannio CB 4 1029 1710
Cercemaggiore CB 5 3777 5487
Sepino CB 6 1964 7451
Santa Croce del Sannio BN 7 927 8378
Sassinoro BN 7 618 8996
Mirabello Sannitico CB 9 2180 11176
Gildone CB 10 809 11985
Vinchiaturo CB 10 3324 15309
Morcone BN 11 4932 20241
Ferrazzano CB 11 3344 23585
Castelpagano BN 11 1483 25068
Guardiaregia CB 12 801 25869
Jelsi CB 14 1781 27650
Circello BN 14 2388 30038
Campobasso CB 14 49431 79469
Riccia CB 14 5262 84731
Baranello CB 14 2673 87404
Pietraroja BN 15 545 87949
Campochiaro CB 15 646 88595
Campodipietra CB 15 2570 91165
Colle Sannita BN 15 2431 93596
Colle d'Anchise CB 16 807 94403
San Polo Matese CB 16 470 94873
Pontelandolfo BN 16 2167 97040
Busso CB 17 1273 98313
Campolattaro BN 17 1072 99385
Toro CB 17 1391 100776
Cusano Mutri BN 18 4091 104867
San Giovanni in Galdo CB 18 580 105447
Bojano CB 18 8058 113505
Oratino CB 19 1641 115146
Casalduni BN 19 1378 116524
San Lupo BN 20 801 117325
Reino BN 20 1210 118535
Cerreto Sannita BN 20 3940 122475
Ripalimosani CB 20 3114 125589
Matrice CB 20 1115 126704

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km N of Benevento (60091 inhabitants)
49 Km NE of Caserta (76326 inhabitants)
59 Km N of Avellino (54857 inhabitants)
60 Km NE of Acerra (59573 inhabitants)
65 Km W of San Severo (53905 inhabitants)
65 Km NE of Afragola (65057 inhabitants)
65 Km NE of Aversa (53047 inhabitants)
67 Km NE of Casoria (77642 inhabitants)
69 Km NE of Giugliano in Campania (122974 inhabitants)
72 Km W of Foggia (151991 inhabitants)
72 Km NE of Marano di Napoli (59874 inhabitants)
73 Km NE of Portici (55274 inhabitants)
75 Km NE of Ercolano (53709 inhabitants)
75 Km NE of Napoli (974074 inhabitants)
77 Km NE of Torre del Greco (86275 inhabitants)
77 Km N of Scafati (50787 inhabitants)
82 Km N of Cava de' Tirreni (53659 inhabitants)
82 Km NE of Pozzuoli (81661 inhabitants)
84 Km N of Castellammare di Stabia (66466 inhabitants)
84 Km N of Salerno (135261 inhabitants)
95 Km N 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
Reviewed
Rev100
ML 1.4 2023-09-21
11:22:57
41.4345 14.6818 14 2023-09-21
11:34:19
Sala Sismica INGV-Roma 121311471
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-09-21 11:22:57 ± 0.1
Latitude 41.4345 ± 0.0054
Longitude 14.6818 ± 0.0084
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 121311471

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 711
Semi-minor axis of confidence ellipse (meter) 279
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 111
Circular confidence region, given by single value of horizontal uncertainty (meter) 710.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 89
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.04137
Epicentral distance of station farthest from the epicenter (degree) 0.42898
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.1
Num. used stations 16
Type of magnitude ML
Reference to an origin 121311471
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-09-21 11:34:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MELA.HHZ. 2023-09-21T11:23:12.08 0.6 undecidable manual S 51 47.619 94 -0.19 46
IV.VITU.HHZ. 2023-09-21T11:23:07.87 0.6 undecidable manual S 189 28.2495 100 0.76 40
IV.PSB1.HHZ. 2023-09-21T11:23:06.39 0.6 undecidable manual S 155 25.752 102 -0.08 50
IV.MELA.HHZ. 2023-09-21T11:23:05.21 0.6 positive manual P 51 47.619 94 -0.63 41
IV.VAGA.HHZ. 2023-09-21T11:23:04.33 0.1 undecidable manual P 267 37.3293 96 0.08 97
IV.TRIV.HHZ. 2023-09-21T11:23:04.44 0.6 positive manual P 344 38.4282 96 0.02 48
IV.BSSO.HHZ. 2023-09-21T11:23:03.76 0.6 undecidable manual S 329 14.3745 121 0.15 50
IV.CIGN.HHZ. 2023-09-21T11:23:03.32 0.6 undecidable manual P 37 30.6471 99 0.09 49
IV.PTRJ.HHZ. 2023-09-21T11:23:03.85 0.6 undecidable manual S 239 14.9739 119 0.11 50
IV.PSB1.HHZ. 2023-09-21T11:23:02.33 0.1 positive manual P 155 25.752 102 -0.17 97
IV.VITU.HHZ. 2023-09-21T11:23:02.73 0.1 negative manual P 189 28.2495 100 -0.13 97
IV.GATE.HNZ. 2023-09-21T11:23:02.26 0.1 undecidable manual P 65 20.868 107 0.5 90
IV.SGG.HHZ. 2023-09-21T11:23:02.56 0.6 undecidable manual P 258 25.752 102 0.07 49
IV.SACR.HHZ. 2023-09-21T11:23:01.68 0.6 undecidable manual S 154 4.5954 157 -0.19 50
IV.BSSO.HHZ. 2023-09-21T11:23:00.97 0.6 undecidable manual P 329 14.3745 121 0.12 50
IV.PTRJ.HHZ. 2023-09-21T11:23:00.72 0.1 positive manual P 239 14.9739 119 -0.2 97
IV.SACR.HHZ. 2023-09-21T11:22:59.65 0.1 positive manual P 154 4.5954 157 -0.19 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SACR.HHN. ML:1.6 0.0005245 1.28 AML other m 2023-09-21T11:23:01.84
IV.SACR.HHE. ML:1.6 0.0005625 1.54 AML other m 2023-09-21T11:23:01.84
IV.PTRJ.HHN. ML:1.5 0.00025550000000000003 0.28 AML other m 2023-09-21T11:23:04.38
IV.PTRJ.HHE. ML:1.4 0.00020400000000000003 0.96 AML other m 2023-09-21T11:23:04.14
IV.BSSO.HHE. ML:1.5 0.0002525 0.32 AML other m 2023-09-21T11:23:04.92
IV.BSSO.HHN. ML:1.2 0.00011755 1.62 AML other m 2023-09-21T11:23:06.08
IV.PSB1.HHE. ML:1.4 0.0001325 1.14 AML other m 2023-09-21T11:23:07.35
IV.PSB1.HHN. ML:1.3 0.0001105 1.28 AML other m 2023-09-21T11:23:07.83
IV.SGG.HHE. ML:1.5 0.0001585 1.56 AML other m 2023-09-21T11:23:07.94
IV.VITU.HHN. ML:1.5 0.0001445 1.42 AML other m 2023-09-21T11:23:08.22
IV.SGG.HHN. ML:1.5 0.000168 1.54 AML other m 2023-09-21T11:23:08.19
IV.TRIV.HHE. ML:1.4 0.0000805 0.34 AML other m 2023-09-21T11:23:11.49
IV.TRIV.HHN. ML:1.3 0.0000747 0.3 AML other m 2023-09-21T11:23:11.20
IV.VAGA.HHE. ML:1.4 0.00009379999999999999 0.46 AML other m 2023-09-21T11:23:11.48
IV.VITU.HHE. ML:1.4 0.0001115 1.66 AML other m 2023-09-21T11:23:11.14
IV.VAGA.HHN. ML:1.5 0.0001182 1.44 AML other m 2023-09-21T11:23:15.83
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