Earthquake with magnitude of ML 0.9 on date 07-07-2023 and time 12:34:38 (Italy) in region 5 km E Colliano (SA)

A magnitude ML 0.9 earthquake occured in region: 5 km E Colliano (SA), on

  • 07-07-2023 10:34:38 (UTC)
  • 07-07-2023 12:34:38 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.7300, 15.3520 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 5 3638 3638
Valva SA 7 1643 5281
Laviano SA 7 1438 6719
Santomenna SA 9 443 7162
San Gregorio Magno SA 9 4286 11448
Palomonte SA 9 3985 15433
Castelgrande PZ 9 943 16376
Castelnuovo di Conza SA 10 619 16995
Oliveto Citra SA 11 3802 20797
Buccino SA 11 5047 25844
Muro Lucano PZ 12 5497 31341
Senerchia AV 12 842 32183
Pescopagano PZ 13 1910 34093
Calabritto AV 13 2391 36484
Sant'Andrea di Conza AV 13 1539 38023
Contursi Terme SA 13 3394 41417
Ricigliano SA 13 1144 42561
Romagnano al Monte SA 13 368 42929
Caposele AV 14 3483 46412
Conza della Campania AV 14 1373 47785
Teora AV 16 1537 49322
Bella PZ 16 5171 54493
Balvano PZ 16 1830 56323
Salvitelle SA 18 560 56883
Rapone PZ 18 990 57873
Cairano AV 19 326 58199
San Fele PZ 19 3004 61203
Sicignano degli Alburni SA 19 3519 64722
Vietri di Potenza PZ 20 2832 67554
Auletta SA 20 2336 69890

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km E of Battipaglia (50786 inhabitants)
40 Km W of Potenza (67122 inhabitants)
50 Km E of Salerno (135261 inhabitants)
51 Km E of Avellino (54857 inhabitants)
55 Km E of Cava de' Tirreni (53659 inhabitants)
65 Km SE of Benevento (60091 inhabitants)
70 Km E of Scafati (50787 inhabitants)
74 Km E of Castellammare di Stabia (66466 inhabitants)
76 Km SW of Cerignola (58396 inhabitants)
83 Km S of Foggia (151991 inhabitants)
83 Km E of Torre del Greco (86275 inhabitants)
85 Km E of Portici (55274 inhabitants)
85 Km E of Ercolano (53709 inhabitants)
86 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)
94 Km E of Caserta (76326 inhabitants)
97 Km SW of Andria (100440 inhabitants)
99 Km E of Giugliano in Campania (122974 inhabitants)
100 Km E of Marano di Napoli (59874 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 0.9 2023-07-07
10:34:38
40.7302 15.352 9 2023-07-07
10:39:54
Sala Sismica INGV-Roma 119042731
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-07-07 10:34:38 ± 0.21
Latitude 40.7302 ± 0.0081
Longitude 15.3520 ± 0.0107
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 119042731

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 813
Semi-minor axis of confidence ellipse (meter) 459
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 254
Circular confidence region, given by single value of horizontal uncertainty (meter) 810.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 110
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.43
Epicentral distance of station closest to the epicenter (degree) 0.04587
Epicentral distance of station farthest from the epicenter (degree) 0.24282
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:0.9

Field Value
Value 0.9
Uncertainty 0.4
Num. used stations 6
Type of magnitude ML
Reference to an origin 119042731
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-07-07 10:39:54
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CDRU.HHZ. 2023-07-07T10:34:49.02 0.6 undecidable manual S 189 26.9508 109 0.64 42
IV.SNAL.HHZ. 2023-07-07T10:34:48.06 0.3 undecidable manual S 331 24.753 110 0.4 68
IV.SGO.HNZ. 2023-07-07T10:34:46.14 0.3 undecidable manual S 191 19.1697 116 0.27 72
IV.MCRV.HHZ. 2023-07-07T10:34:45.56 0.1 undecidable manual S 291 16.4724 119 0.52 91
IX.SNR3.EHZ.02 2023-07-07T10:34:44.91 0.6 undecidable manual S 273 13.3755 124 0.78 42
IX.RDM3.HHZ.02 2023-07-07T10:34:44.24 0.1 undecidable manual P 44 22.3554 112 0.91 74
IV.CDRU.HHZ. 2023-07-07T10:34:44.13 0.6 positive manual P 189 26.9508 109 -0.07 49
IV.MRLC.HHZ. 2023-07-07T10:34:43.61 0.3 undecidable manual S 76 11.877 128 -0.09 74
IX.PST3.HNZ.02 2023-07-07T10:34:43.12 0.1 undecidable manual P 206 20.868 114 0.06 99
IV.SNAL.HHZ. 2023-07-07T10:34:43.33 0.6 undecidable manual P 331 24.753 110 -0.45 46
IV.SGO.HNZ. 2023-07-07T10:34:42.73 0.1 undecidable manual P 191 19.1697 116 -0.02 100
IX.NSC3.EHZ.02 2023-07-07T10:34:42.55 0.1 undecidable manual P 304 23.2545 112 -0.94 76
IX.VDS3.HNZ.01 2023-07-07T10:34:42.36 0.6 undecidable manual S 79 6.3936 145 -0.02 50
IX.COL3.HHZ.02 2023-07-07T10:34:42.06 0.6 undecidable manual S 201 5.0949 151 -0.08 49
IX.SNR3.EHZ.02 2023-07-07T10:34:41.73 0.3 positive manual P 273 13.3755 124 -0.01 76
IV.MRLC.HHZ. 2023-07-07T10:34:41.82 1.0 undecidable manual P 76 11.877 128 0.32 24
IV.MCRV.HHZ. 2023-07-07T10:34:41.56 0.1 undecidable manual P 291 16.4724 119 -0.71 84
IX.VDS3.HNZ.01 2023-07-07T10:34:40.47 0.1 undecidable manual P 79 6.3936 145 -0.26 97
IX.COL3.HHZ.02 2023-07-07T10:34:40.27 0.1 positive manual P 201 5.0949 151 -0.32 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IX.SNR3.EHE.02 ML:1.5 0.000347 0.48 AML other m 2023-07-07T10:34:45.51
IV.MRLC.HHN. ML:0.8 0.0000774 0.44 AML other m 2023-07-07T10:34:45.52
IX.SNR3.EHN.02 ML:1.7 0.000564 0.2 AML other m 2023-07-07T10:34:46.93
IV.CDRU.HHN. ML:0.6 0.00001815 1.52 AML other m 2023-07-07T10:34:49.15
IV.MRLC.HHE. ML:0.7 0.0000645 0.72 AML other m 2023-07-07T10:34:49.06
IV.CDRU.HHE. ML:0.7 0.00003175 0.46 AML other m 2023-07-07T10:34:49.69
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