Earthquake with magnitude of ML 1.8 on date 26-02-2023 and time 08:39:17 (UTC) in region 4 km E Santomenna (SA)

A magnitude ML 1.8 earthquake occured in region: 4 km E Santomenna (SA), on

  • 26-02-2023 08:39:17 (UTC)
  • 26-02-2023 09:39:17 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 40.7970, 15.3700 at 10 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Santomenna SA 4 443 443
Castelnuovo di Conza SA 5 619 1062
Pescopagano PZ 5 1910 2972
Sant'Andrea di Conza AV 5 1539 4511
Laviano SA 6 1438 5949
Castelgrande PZ 6 943 6892
Conza della Campania AV 7 1373 8265
Colliano SA 10 3638 11903
Valva SA 10 1643 13546
Muro Lucano PZ 11 5497 19043
Cairano AV 11 326 19369
Teora AV 12 1537 20906
Rapone PZ 12 990 21896
Caposele AV 12 3483 25379
Calabritto AV 13 2391 27770
Calitri AV 13 4666 32436
San Fele PZ 15 3004 35440
Bella PZ 15 5171 40611
Senerchia AV 15 842 41453
Ruvo del Monte PZ 16 1083 42536
Andretta AV 16 1927 44463
San Gregorio Magno SA 16 4286 48749
Oliveto Citra SA 16 3802 52551
Palomonte SA 17 3985 56536
Ricigliano SA 17 1144 57680
Morra De Sanctis AV 18 1297 58977
Lioni AV 18 6201 65178
Buccino SA 18 5047 70225
Romagnano al Monte SA 20 368 70593
Contursi Terme SA 20 3394 73987

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km NE of Battipaglia (50786 inhabitants)
41 Km W of Potenza (67122 inhabitants)
50 Km E of Avellino (54857 inhabitants)
53 Km E of Salerno (135261 inhabitants)
57 Km E of Cava de' Tirreni (53659 inhabitants)
62 Km SE of Benevento (60091 inhabitants)
69 Km SW of Cerignola (58396 inhabitants)
71 Km E of Scafati (50787 inhabitants)
76 Km S of Foggia (151991 inhabitants)
76 Km E of Castellammare di Stabia (66466 inhabitants)
85 Km E of Torre del Greco (86275 inhabitants)
86 Km E of Acerra (59573 inhabitants)
86 Km E of Portici (55274 inhabitants)
86 Km E of Ercolano (53709 inhabitants)
90 Km E of Afragola (65057 inhabitants)
91 Km SW of Andria (100440 inhabitants)
92 Km E of Casoria (77642 inhabitants)
92 Km E of Caserta (76326 inhabitants)
94 Km E of Napoli (974074 inhabitants)
96 Km SW of Barletta (94814 inhabitants)
99 Km S of San Severo (53905 inhabitants)
99 Km E of Giugliano in Campania (122974 inhabitants)
100 Km W of Altamura (70396 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
Bulletin
Rev1000
ML 1.8 2023-02-26
08:39:17
40.7972 15.3698 10 2024-03-01
17:18:12
Bollettino Sismico Italiano INGV 118539361
Reviewed
Rev100
ML 1.7 2023-02-26
08:39:17
40.7977 15.3735 11 2023-02-26
14:43:03
Sala Sismica INGV-Roma 114825891
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-26 08:39:17 ± 0.08
Latitude 40.7972 ± 0.0045
Longitude 15.3698 ± 0.0059
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 118539361

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 415
Semi-minor axis of confidence ellipse (meter) 349
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 224
Circular confidence region, given by single value of horizontal uncertainty (meter) 420.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 70
Number of associated phases, regardless of their use for origin computation 33
Number of defining phases 33
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.07105
Epicentral distance of station farthest from the epicenter (degree) 0.43347
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 20
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 23
Type of magnitude ML
Reference to an origin 118539361
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-06-19 01:53:29

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 19
Type of magnitude ML
Reference to an origin 114825891
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-02-26 14:43:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ACER.HHZ. 2023-02-26T08:39:33.80 0.6 undecidable manual S 91 48.1185 50 0.58 41
IV.CDRU.HHZ. 2023-02-26T08:39:29.83 0.6 undecidable manual S 189 34.5432 50 0.23 46
IV.SGO.HHZ. 2023-02-26T08:39:28.17 1.0 undecidable manual S 191 26.751 110 0.67 21
IV.ACER.HHZ. 2023-02-26T08:39:26.73 0.6 undecidable manual P 91 48.1185 50 0.11 46
IX.STN3.HNZ.02 2023-02-26T08:39:26.15 1.0 undecidable manual P 141 37.9287 50 1.09 17
IX.SALI.HNZ.01 2023-02-26T08:39:26.47 0.3 undecidable manual S 313 21.6672 114 0.61 64
IV.SNAL.HHZ. 2023-02-26T08:39:26.06 0.6 undecidable manual S 317 19.5693 116 0.85 39
IX.RSF3.HNZ.02 2023-02-26T08:39:26.46 0.6 undecidable manual S 319 24.6531 112 -0.35 46
IX.LIO3.HHZ.02 2023-02-26T08:39:25.43 0.6 undecidable manual S 305 19.3695 117 0.3 47
IV.MCRV.HHZ. 2023-02-26T08:39:24.53 0.3 undecidable manual S 265 16.9719 120 0.12 73
IV.CDRU.HHZ. 2023-02-26T08:39:24.12 0.1 positive manual P 189 34.5432 50 -0.42 89
IX.COL3.HHZ.02 2023-02-26T08:39:23.68 0.6 undecidable manual S 195 12.6762 128 0.53 45
IX.BEL3.HNZ.01 2023-02-26T08:39:23.80 0.6 undecidable manual P 112 24.2535 112 0.96 37
IV.SGO.HHZ. 2023-02-26T08:39:23.02 0.1 positive manual P 191 26.751 110 -0.31 92
IV.CAFE.HNZ. 2023-02-26T08:39:23.33 0.1 undecidable manual P 336 27.9498 50 -0.18 94
IX.CLT3.EHZ.02 2023-02-26T08:39:23.19 0.6 undecidable manual S 14 12.0768 129 0.19 48
IX.CSG3.HNZ.01 2023-02-26T08:39:22.00 0.6 undecidable manual S 74 8.1807 140 -0.02 50
IX.RSF3.HNZ.02 2023-02-26T08:39:22.42 0.6 undecidable manual P 319 24.6531 112 -0.5 44
5H.FR05.EHZ. 2023-02-26T08:39:22.29 0.6 undecidable manual P 336 23.0547 113 -0.34 46
IV.MRLC.HHZ. 2023-02-26T08:39:22.57 0.1 undecidable manual S 114 10.9779 132 -0.13 98
IX.SALI.HNZ.01 2023-02-26T08:39:22.33 0.1 negative manual P 313 21.6672 114 -0.05 98
IV.SNAL.HHZ. 2023-02-26T08:39:21.99 0.1 positive manual P 317 19.5693 116 -0.01 99
IX.SCL3.EHZ.02 2023-02-26T08:39:21.61 0.6 undecidable manual P 134 16.4724 121 0.17 48
IX.VDS3.HNZ.01 2023-02-26T08:39:21.88 0.6 undecidable manual S 143 7.881 141 -0.08 50
IX.SFL3.HNZ.01 2023-02-26T08:39:21.73 0.6 undecidable manual P 93 17.5713 119 0.1 49
IV.MCRV.HHZ. 2023-02-26T08:39:21.41 0.1 positive manual P 265 16.9719 120 -0.13 97
IX.RDM3.HHZ.02 2023-02-26T08:39:21.69 0.3 undecidable manual P 58 16.4724 121 0.25 71
IX.LIO3.HHZ.02 2023-02-26T08:39:21.48 0.3 undecidable manual P 305 19.3695 117 -0.48 68
IX.CLT3.EHZ.02 2023-02-26T08:39:20.76 0.1 positive manual P 14 12.0768 129 0.04 100
IX.COL3.HHZ.02 2023-02-26T08:39:20.94 0.3 undecidable manual P 195 12.6762 128 0.13 74
IV.MRLC.HHZ. 2023-02-26T08:39:20.33 0.1 undecidable manual P 114 10.9779 132 -0.22 96
IX.CSG3.HNZ.01 2023-02-26T08:39:19.57 0.3 undecidable manual P 74 8.1807 140 -0.59 66
IX.VDS3.HNZ.01 2023-02-26T08:39:19.96 0.3 undecidable manual P 143 7.881 141 -0.16 74
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IX.CLT3.HNN.01 ML:2.2 0.00202 0.24 AML other m 2023-02-26T08:39:24.83
IX.CLT3.EHN.02 ML:2.2 0.002059606 0.2432 AML other m 2023-02-26T08:39:24.83
IX.CLT3.HNE.01 ML:2.2 0.002063606 0.2112 AML other m 2023-02-26T08:39:25.09
IX.CLT3.EHE.02 ML:2.3 0.00213 0.2 AML other m 2023-02-26T08:39:25.09
IV.MRLC.HNN. ML:1.7 0.000626 0.34 AML other m 2023-02-26T08:39:25.39
IV.MRLC.HHN. ML:2.0 0.0012999999999999997 0.34 AML other m 2023-02-26T08:39:25.39
IV.MCRV.HHE. ML:2.0 0.00089327305 0.224 AML other m 2023-02-26T08:39:25.43
IV.MRLC.HHE. ML:1.9 0.0010075000000000001 0.32 AML other m 2023-02-26T08:39:25.48
IV.MRLC.HNE. ML:1.6 0.0004874076 0.3008 AML other m 2023-02-26T08:39:25.48
IV.MCRV.HHN. ML:2.0 0.00082369745 0.1216 AML other m 2023-02-26T08:39:25.72
IV.SGO.HHN. ML:1.6 0.000225 0.16 AML other m 2023-02-26T08:39:29.17
IV.SGO.HHE. ML:1.4 0.0001555 0.3 AML other m 2023-02-26T08:39:29.41
IV.CDRU.HHN. ML:1.4 0.00011119999999999999 1.14 AML other m 2023-02-26T08:39:30.61
IV.CDRU.HNE. ML:1.6 0.00017886724999999998 0.192 AML other m 2023-02-26T08:39:30.63
IV.CDRU.HHE. ML:1.6 0.000182 0.2 AML other m 2023-02-26T08:39:30.63
IV.SNAL.HNN. ML:1.7 0.00041549999999999996 0.58 AML other m 2023-02-26T08:39:34.51
IV.SNAL.HHN. ML:1.8 0.0004426249 0.6016 AML other m 2023-02-26T08:39:34.51
IV.SNAL.HNE. ML:1.7 0.000376 0.96 AML other m 2023-02-26T08:39:34.35
IV.SNAL.HHE. ML:1.7 0.00036868815 0.8256 AML other m 2023-02-26T08:39:34.42
IV.ACER.HNN. ML:1.7 0.000125688695 0.48 AML other m 2023-02-26T08:39:35.49
IV.ACER.HNE. ML:1.8 0.00016194045 1.3728 AML other m 2023-02-26T08:39:41.00
IV.ACER.HHE. ML:1.7 0.0001397721 1.36 AML other m 2023-02-26T08:39:41.31
IV.ACER.HHN. ML:1.7 0.000148881525 0.5408 AML other m 2023-02-26T08:39:49.85
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