Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 15-10-2023 and time 12:57:54 (UTC) in region 1 km NW Romagnano al Monte (SA)

A magnitude ML 2.1 earthquake occured in region: 1 km NW Romagnano al Monte (SA), on

  • 15-10-2023 12:57:54 (UTC)
  • 15-10-2023 14:57:54 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.6350, 15.4300 at 10 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Romagnano al Monte SA 1 368 368
San Gregorio Magno SA 4 4286 4654
Buccino SA 5 5047 9701
Salvitelle SA 5 560 10261
Ricigliano SA 6 1144 11405
Balvano PZ 7 1830 13235
Vietri di Potenza PZ 8 2832 16067
Auletta SA 8 2336 18403
Caggiano SA 9 2765 21168
Pertosa SA 10 690 21858
Palomonte SA 12 3985 25843
Petina SA 12 1159 27002
Savoia di Lucania PZ 13 1127 28129
Sicignano degli Alburni SA 13 3519 31648
Muro Lucano PZ 14 5497 37145
Polla SA 14 5279 42424
Sant'Angelo Le Fratte PZ 15 1429 43853
Baragiano PZ 15 2671 46524
Colliano SA 15 3638 50162
Contursi Terme SA 16 3394 53556
Bella PZ 17 5171 58727
Castelgrande PZ 17 943 59670
Picerno PZ 18 5985 65655
Oliveto Citra SA 18 3802 69457
Valva SA 18 1643 71100
Postiglione SA 19 2151 73251
Sant'Arsenio SA 19 2815 76066
Laviano SA 20 1438 77504

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km W of Potenza (67122 inhabitants)
38 Km E of Battipaglia (50786 inhabitants)
57 Km E of Salerno (135261 inhabitants)
61 Km E of Cava de' Tirreni (53659 inhabitants)
62 Km SE of Avellino (54857 inhabitants)
77 Km E of Scafati (50787 inhabitants)
78 Km SE of Benevento (60091 inhabitants)
80 Km E of Castellammare di Stabia (66466 inhabitants)
81 Km SW of Cerignola (58396 inhabitants)
91 Km E of Torre del Greco (86275 inhabitants)
93 Km S of Foggia (151991 inhabitants)
93 Km E of Portici (55274 inhabitants)
93 Km E of Ercolano (53709 inhabitants)
96 Km E of Acerra (59573 inhabitants)
97 Km W of Altamura (70396 inhabitants)
98 Km SW of Andria (100440 inhabitants)
99 Km W of Matera (60436 inhabitants)
100 Km E of Afragola (65057 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 2.1 2023-10-15
12:57:54		 40.6347 15.4295 10 2023-10-15
13:07:43		 Sala Sismica INGV-Roma 122109531
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-10-15 12:57:54 ± 0.06
Latitude 40.6347 ± 0.0045
Longitude 15.4295 ± 0.0059
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 122109531

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 466
Semi-minor axis of confidence ellipse (meter) 406
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 239
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) 43
Number of associated phases, regardless of their use for origin computation 37
Number of defining phases 27
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.56208
Number of stations at which the event was observed 27
Number of stations from which data was used for origin computation 19
Magnitude information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 69
Type of magnitude ML
Reference to an origin 122109531
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-10-15 13:07:43
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MSAG.HHZ. 2023-10-15T12:58:31.14 3.0 undecidable manual S -0.4 0
IV.AMUR.HHZ. 2023-10-15T12:58:26.00 3.0 undecidable manual S -0.43 0
IV.SGRT.HHZ. 2023-10-15T12:58:15.16 3.0 undecidable manual P 0.01 0
IV.MSAG.HHZ. 2023-10-15T12:58:14.99 3.0 undecidable manual P -0.05 0
IV.SIRI.HHZ. 2023-10-15T12:58:13.28 0.3 undecidable manual S 143 62.3931 50 -0.2 66
IV.AMUR.HHZ. 2023-10-15T12:58:12.26 3.0 negative manual P 0.09 0
IV.MTSN.HHZ. 2023-10-15T12:58:10.81 0.6 undecidable manual S 146 49.1175 50 0.88 36
IV.MIGL.HHZ. 2023-10-15T12:58:08.55 3.0 positive manual P -0.8 0
MN.CUC.HHZ. 2023-10-15T12:58:07.33 3.0 undecidable manual P -0.59 0
IV.SNAL.HHZ. 2023-10-15T12:58:06.94 0.6 undecidable manual S 330 37.2294 50 0.18 46
IX.CMP3.EHZ.02 2023-10-15T12:58:04.86 0.6 undecidable manual S 274 29.4483 50 0.16 47
IV.SIRI.HHZ. 2023-10-15T12:58:04.35 0.6 positive manual P 143 62.3931 50 -0.98 34
IV.PTRP.HHZ. 2023-10-15T12:58:04.54 3.0 negative manual P 0.32 0
IV.MGR.HHZ. 2023-10-15T12:58:03.86 3.0 positive manual P -0.36 0
IV.MTSN.HHZ. 2023-10-15T12:58:03.22 0.1 negative manual P 146 49.1175 50 -0.07 93
IX.STN3.HNZ.02 2023-10-15T12:58:03.17 0.6 undecidable manual S 122 21.9669 115 0.53 44
IV.CAFE.HHZ. 2023-10-15T12:58:03.61 3.0 undecidable manual P 0.57 0
IV.ACER.HHZ. 2023-10-15T12:58:02.70 0.1 positive manual P 68 46.3203 50 -0.17 92
IV.MCEL.HHZ. 2023-10-15T12:58:02.56 0.1 positive manual P 137 46.5201 50 -0.34 88
IV.PZUN.HHZ. 2023-10-15T12:58:01.13 0.1 negative manual P 88 31.8459 50 0.5 87
IV.CDRU.HHZ. 2023-10-15T12:58:01.65 0.6 undecidable manual S 213 19.2696 118 -0.13 48
IV.SNAL.HHZ. 2023-10-15T12:58:01.21 1.0 negative manual P 330 37.2294 50 -0.25 23
IV.CMPR.HHZ. 2023-10-15T12:58:01.08 0.3 undecidable manual P 197 36.741 50 -0.3 68
IV.VULT.HHZ. 2023-10-15T12:58:01.71 0.1 negative manual P 24 38.8278 50 0 96
IV.SGO.HHZ. 2023-10-15T12:58:00.51 0.6 undecidable manual S 231 13.1757 128 0.5 45
IX.CMP3.EHZ.02 2023-10-15T12:58:00.29 0.1 negative manual P 274 29.4483 50 0.02 97
IX.PGN3.HHZ.02 2023-10-15T12:58:00.96 0.1 undecidable manual P 102 31.6461 50 0.35 90
IX.COL3.HHZ.02 2023-10-15T12:57:59.18 0.6 undecidable manual S 305 10.1787 135 -0.05 50
IX.STN3.HNZ.02 2023-10-15T12:57:58.73 0.1 undecidable manual P 122 21.9669 115 -0.34 92
IX.SRN3.HHZ.02 2023-10-15T12:57:58.19 0.1 positive manual P 172 16.6722 122 0.06 99
IX.CSG3.HNE. 2023-10-15T12:57:58.69 0.1 undecidable manual P 8 20.5683 117 -0.12 97
IV.CDRU.HHZ. 2023-10-15T12:57:58.48 0.1 positive manual P 213 19.2696 118 -0.1 97
IX.VDP3.HNE.01 2023-10-15T12:57:57.47 0.1 undecidable manual P 105 12.4764 130 0.03 100
IV.SGO.HHZ. 2023-10-15T12:57:57.68 0.6 positive manual P 231 13.1757 128 0.12 49
IX.COL3.HHZ.02 2023-10-15T12:57:57.19 0.1 undecidable manual P 305 10.1787 135 0.08 99
IV.MRLC.HHZ. 2023-10-15T12:57:57.69 0.1 negative manual P 20 14.3745 126 -0.06 99
IX.SCL3.EHZ.02 2023-10-15T12:57:56.94 0.6 undecidable manual P 46 9.5793 137 -0.09 50
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IX.COL3.HHN.02 ML:2.4 0.0027750000000000006 0.38 AML other m 2023-10-15T12:57:59.88
IX.COL3.HNN.01 ML:2.2 0.002205 0.12 AML other m 2023-10-15T12:58:00.52
IV.SGO.HHE. ML:2.5 0.00353 0.24 AML other m 2023-10-15T12:58:00.84
IV.SGO.HHN. ML:2.5 0.00349 0.18 AML other m 2023-10-15T12:58:01.05
IX.COL3.HHE.02 ML:2.6 0.004435000000000001 0.18 AML other m 2023-10-15T12:58:01.34
IX.COL3.HNE.01 ML:2.6 0.004675 0.16 AML other m 2023-10-15T12:58:01.42
IV.MRLC.HNN. ML:2.0 0.000911 0.54 AML other m 2023-10-15T12:58:01.26
IV.MRLC.HHN. ML:1.9 0.0007695000000000001 0.54 AML other m 2023-10-15T12:58:01.26
IV.MRLC.HHE. ML:1.7 0.000493 1.42 AML other m 2023-10-15T12:58:01.73
IV.MRLC.HNE. ML:1.8 0.0005775 1.42 AML other m 2023-10-15T12:58:01.73
IV.CDRU.HNN. ML:2.3 0.0014750000000000002 1.76 AML other m 2023-10-15T12:58:01.90
IV.CDRU.HHN. ML:2.2 0.001375 1.78 AML other m 2023-10-15T12:58:01.90
IV.CDRU.HHE. ML:2.3 0.001605 1.76 AML other m 2023-10-15T12:58:02.90
IV.CDRU.HNE. ML:2.3 0.001515 1.5 AML other m 2023-10-15T12:58:02.77
IX.SRN3.HNE.01 ML:2.3 0.001725 1 AML other m 2023-10-15T12:58:02.64
IX.SRN3.HHE.02 ML:2.3 0.001655 0.42 AML other m 2023-10-15T12:58:02.43
IX.SRN3.HHN.02 ML:2.4 0.00202 0.48 AML other m 2023-10-15T12:58:02.42
IX.SRN3.HNN.01 ML:2.3 0.0017900000000000001 0.64 AML other m 2023-10-15T12:58:03.42
IX.STN3.EHN.02 ML:3.7 0.0362 0.64 AML other m 2023-10-15T12:58:04.23
IX.STN3.EHE.02 ML:3.6 0.02835 0.8 AML other m 2023-10-15T12:58:04.73
IX.CMP3.HNN.01 ML:2.5 0.00157 0.66 AML other m 2023-10-15T12:58:06.49
IX.CMP3.EHN.02 ML:2.5 0.0015099999999999998 0.22 AML other m 2023-10-15T12:58:06.49
IX.CMP3.HNE.01 ML:2.3 0.000905 1.24 AML other m 2023-10-15T12:58:06.76
IX.CMP3.EHE.02 ML:2.2 0.0008755 1.24 AML other m 2023-10-15T12:58:06.76
IV.VULT.HHE. ML:1.7 0.00016999999999999999 0.96 AML other m 2023-10-15T12:58:07.27
IX.PGN3.HHE.02 ML:2.2 0.000728 0.18 AML other m 2023-10-15T12:58:08.54
IX.PGN3.HHN.02 ML:2.2 0.0007664999999999999 0.62 AML other m 2023-10-15T12:58:08.67
IV.SNAL.HHE. ML:1.8 0.0002545 0.22 AML other m 2023-10-15T12:58:08.92
IV.CMPR.HHE. ML:1.8 0.00023199999999999997 0.7 AML other m 2023-10-15T12:58:08.59
IV.CMPR.HHN. ML:1.6 0.000161 0.22 AML other m 2023-10-15T12:58:09.14
IV.MCEL.HHN. ML:2.2 0.0004429999999999999 0.44 AML other m 2023-10-15T12:58:10.43
IV.MCEL.HHE. ML:2.3 0.0005629999999999999 0.18 AML other m 2023-10-15T12:58:10.36
IV.MCEL.HNE. ML:2.9 0.00227 0.38 AML other m 2023-10-15T12:58:10.37
IV.SNAL.HHN. ML:1.8 0.00021650000000000003 0.8 AML other m 2023-10-15T12:58:10.85
IV.PZUN.HNE. ML:2.0 0.0004145 0.88 AML other m 2023-10-15T12:58:10.86
IV.ACER.HNN. ML:1.9 0.000219 1.78 AML other m 2023-10-15T12:58:11.03
IV.PZUN.HHN. ML:1.9 0.0003795 0.34 AML other m 2023-10-15T12:58:11.20
IV.PZUN.HNN. ML:1.9 0.00038700000000000003 0.4 AML other m 2023-10-15T12:58:11.20
IV.MTSN.HHN. ML:2.4 0.0006745 0.38 AML other m 2023-10-15T12:58:11.53
IV.MTSN.HNN. ML:2.4 0.0006499999999999999 0.36 AML other m 2023-10-15T12:58:11.53
IV.MCEL.HNN. ML:2.7 0.0014399999999999999 0.38 AML other m 2023-10-15T12:58:11.26
IV.ACER.HHN. ML:1.9 0.0002495 0.64 AML other m 2023-10-15T12:58:11.92
IV.PZUN.HHE. ML:2.0 0.0004255 0.6 AML other m 2023-10-15T12:58:11.97
IV.CAFE.HNE. ML:1.8 0.00020250000000000002 1.18 AML other m 2023-10-15T12:58:12.36
IV.CAFE.HHE. ML:1.9 0.0002135 1.18 AML other m 2023-10-15T12:58:12.36
IV.MTSN.HNE. ML:2.2 0.00043300000000000006 1.34 AML other m 2023-10-15T12:58:12.70
IV.MTSN.HHE. ML:2.2 0.0004075 1.34 AML other m 2023-10-15T12:58:12.70
IV.CAFE.HHN. ML:1.6 0.00011049999999999999 0.52 AML other m 2023-10-15T12:58:12.87
IV.CAFE.HNN. ML:1.6 0.00011499999999999999 0.52 AML other m 2023-10-15T12:58:12.87
IV.SIRI.HNN. ML:2.4 0.00047999999999999996 0.96 AML other m 2023-10-15T12:58:14.18
IV.SIRI.HHN. ML:2.4 0.0005064999999999999 0.96 AML other m 2023-10-15T12:58:14.18
IV.SIRI.HHE. ML:2.2 0.00034100000000000005 0.94 AML other m 2023-10-15T12:58:15.71
IV.SIRI.HNE. ML:2.2 0.0003165 1.08 AML other m 2023-10-15T12:58:15.25
IV.ACER.HHE. ML:2.0 0.0002755 1.34 AML other m 2023-10-15T12:58:15.28
IV.ACER.HNE. ML:2.0 0.0002645 0.46 AML other m 2023-10-15T12:58:15.28
IV.MGR.HHE. ML:1.7 0.000113 1.12 AML other m 2023-10-15T12:58:15.00
IV.MGR.HHN. ML:1.8 0.000131 0.18 AML other m 2023-10-15T12:58:15.66
IV.PTRP.HHE. ML:1.8 0.000133 0.38 AML other m 2023-10-15T12:58:15.90
IV.PTRP.HHN. ML:1.7 0.00011015 1.64 AML other m 2023-10-15T12:58:16.95
IV.VULT.HHN. ML:1.8 0.000221 1.5 AML other m 2023-10-15T12:58:19.18
IV.MIGL.HHE. ML:2.3 0.000255 1.78 AML other m 2023-10-15T12:58:21.89
MN.CUC.HHN. ML:1.6 0.00005550000000000001 0.72 AML other m 2023-10-15T12:58:25.12
MN.CUC.HHE. ML:1.6 0.0000521 0.44 AML other m 2023-10-15T12:58:26.75
IV.AMUR.HHE. ML:1.9 0.00007209999999999999 0.18 AML other m 2023-10-15T12:58:27.89
IV.AMUR.HHN. ML:1.7 0.000048299999999999995 0.28 AML other m 2023-10-15T12:58:28.23
IV.SGRT.HHN. ML:1.8 0.00004585 1.58 AML other m 2023-10-15T12:58:33.86
IV.SGRT.HHE. ML:1.9 0.000055849999999999996 1.48 AML other m 2023-10-15T12:58:33.13
IV.MSAG.HHN. ML:2.2 0.00010695 0.46 AML other m 2023-10-15T12:58:37.45
IV.MSAG.HHE. ML:1.9 0.00005015 1.08 AML other m 2023-10-15T12:58:42.63
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
Waveforms Seismic signals in miniseed + resp format Download