Earthquake with magnitude of ML 1.5 on date 19-07-2023 and time 09:06:37 (Italy) in region 4 km E Colliano (SA)

A magnitude ML 1.5 earthquake occured in region: 4 km E Colliano (SA), on

  • 19-07-2023 07:06:37 (UTC)
  • 19-07-2023 09:06:37 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.7250, 15.3430 at 9 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
Colliano SA 4 3638 3638
Valva SA 6 1643 5281
Laviano SA 8 1438 6719
Palomonte SA 8 3985 10704
San Gregorio Magno SA 9 4286 14990
Santomenna SA 10 443 15433
Oliveto Citra SA 10 3802 19235
Castelgrande PZ 10 943 20178
Buccino SA 11 5047 25225
Castelnuovo di Conza SA 11 619 25844
Senerchia AV 12 842 26686
Contursi Terme SA 12 3394 30080
Calabritto AV 12 2391 32471
Muro Lucano PZ 12 5497 37968
Romagnano al Monte SA 13 368 38336
Pescopagano PZ 13 1910 40246
Ricigliano SA 13 1144 41390
Sant'Andrea di Conza AV 14 1539 42929
Caposele AV 14 3483 46412
Conza della Campania AV 15 1373 47785
Teora AV 16 1537 49322
Balvano PZ 16 1830 51152
Bella PZ 17 5171 56323
Salvitelle SA 18 560 56883
Sicignano degli Alburni SA 19 3519 60402
Rapone PZ 19 990 61392
Cairano AV 19 326 61718
Vietri di Potenza PZ 20 2832 64550
San Fele PZ 20 3004 67554
Auletta SA 20 2336 69890

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km E of Battipaglia (50786 inhabitants)
40 Km W of Potenza (67122 inhabitants)
49 Km E of Salerno (135261 inhabitants)
51 Km E of Avellino (54857 inhabitants)
54 Km E of Cava de' Tirreni (53659 inhabitants)
65 Km SE of Benevento (60091 inhabitants)
69 Km E of Scafati (50787 inhabitants)
73 Km E of Castellammare di Stabia (66466 inhabitants)
77 Km SW of Cerignola (58396 inhabitants)
83 Km E of Torre del Greco (86275 inhabitants)
84 Km S of Foggia (151991 inhabitants)
84 Km E of Portici (55274 inhabitants)
85 Km E of Ercolano (53709 inhabitants)
85 Km E of Acerra (59573 inhabitants)
90 Km E of Afragola (65057 inhabitants)
91 Km E of Casoria (77642 inhabitants)
93 Km E of Napoli (974074 inhabitants)
93 Km E of Caserta (76326 inhabitants)
98 Km SW of Andria (100440 inhabitants)
99 Km E of Giugliano in Campania (122974 inhabitants)
99 Km E of Marano di Napoli (59874 inhabitants)
100 Km E of Aversa (53047 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 1.5 2023-07-19
07:06:37
40.7247 15.343 9 2023-07-19
08:25:51
Sala Sismica INGV-Roma 119391691
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-07-19 07:06:37 ± 0.11
Latitude 40.7247 ± 0.0054
Longitude 15.3430 ± 0.0071
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 119391691

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 466
Semi-minor axis of confidence ellipse (meter) 466
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 39
Circular confidence region, given by single value of horizontal uncertainty (meter) 470.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 88
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) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.03867
Epicentral distance of station farthest from the epicenter (degree) 0.55758
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitude information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.1
Num. used stations 8
Type of magnitude ML
Reference to an origin 119391691
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-07-19 08:25:51
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IT.ORP.HGZ. 2023-07-19T07:06:48.95 0.6 undecidable manual P 354 61.8936 50 0.38 57
IV.CDRU.HNE. 2023-07-19T07:06:47.15 0.6 undecidable manual S 187 26.2515 109 0.09 65
IV.CMPR.HNZ. 2023-07-19T07:06:45.78 0.3 undecidable manual P 184 45.2214 50 -0.23 91
IV.MCRV.HHZ. 2023-07-19T07:06:44.17 0.3 undecidable manual S 294 15.9729 120 0.36 93
IV.CDRU.HNE. 2023-07-19T07:06:43.36 0.3 undecidable manual P 187 26.2515 109 0.39 91
IX.SCL3.EHN.02 2023-07-19T07:06:43.66 0.6 undecidable manual S 103 14.5743 123 0.29 63
IX.SRN3.HHE.02 2023-07-19T07:06:42.97 0.6 undecidable manual P 160 28.1496 108 -0.36 61
IV.SNAL.HHZ. 2023-07-19T07:06:42.32 0.6 positive manual P 333 24.9528 110 -0.4 61
IX.SNR3.EHN.02 2023-07-19T07:06:42.92 0.3 undecidable manual S 276 12.6762 126 0.08 100
IX.NSC3.HNE.02 2023-07-19T07:06:41.98 0.6 undecidable manual P 306 22.9548 112 -0.37 61
IV.SGO.HNN. 2023-07-19T07:06:41.91 1.0 undecidable manual P 189 18.4704 117 0.38 31
IX.CLT3.HNZ.02 2023-07-19T07:06:41.93 0.6 undecidable manual P 15 20.4684 114 0.05 66
IX.SCL3.EHN.02 2023-07-19T07:06:40.88 0.3 undecidable manual P 103 14.5743 123 0.04 100
IX.COL3.HHZ.02 2023-07-19T07:06:40.76 0.3 undecidable manual S 194 4.2957 155 -0.17 99
IV.MCRV.HHZ. 2023-07-19T07:06:40.84 0.6 undecidable manual P 294 15.9729 120 -0.25 64
IX.SNR3.EHN.02 2023-07-19T07:06:40.60 0.6 undecidable manual P 276 12.6762 126 0.06 67
IX.COL3.HHZ.02 2023-07-19T07:06:39.18 0.3 undecidable manual P 194 4.2957 155 -0.25 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IX.COL3.HHE.02 ML:1.7 0.000862 0.2 AML other m 2023-07-19T07:06:41.41
IX.COL3.HHN.02 ML:1.5 0.000582 0.94 AML other m 2023-07-19T07:06:41.89
IX.SNR3.EHE.02 ML:1.3 0.00022 0.5 AML other m 2023-07-19T07:06:44.84
IX.SNR3.EHN.02 ML:1.3 0.0002265 1.52 AML other m 2023-07-19T07:06:45.87
IX.COL3.HNE.01 ML:1.7 0.0008746892 0.224 AML other m 2023-07-19T07:06:41.30
IX.COL3.HNN.01 ML:1.4 0.00052087915 0.144 AML other m 2023-07-19T07:06:41.83
IX.SNR3.HNE.01 ML:1.6 0.00042031759999999995 0.592 AML other m 2023-07-19T07:06:44.57
IX.SNR3.HNN.01 ML:1.5 0.00032017785 0.48 AML other m 2023-07-19T07:06:44.87
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