Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 23-03-2024 and time 18:56:32 (Italy) in region 3 km N Ricigliano (SA)

A magnitude ML 1.5 earthquake occured in region: 3 km N Ricigliano (SA), on

  • 23-03-2024 17:56:32 (UTC)
  • 23-03-2024 18:56:32 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 40.6980, 15.4810 at 2 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
Ricigliano SA 3 1144 1144
Balvano PZ 6 1830 2974
Muro Lucano PZ 6 5497 8471
San Gregorio Magno SA 8 4286 12757
Bella PZ 8 5171 17928
Romagnano al Monte SA 9 368 18296
Baragiano PZ 10 2671 20967
Castelgrande PZ 11 943 21910
Vietri di Potenza PZ 11 2832 24742
Salvitelle SA 12 560 25302
Buccino SA 12 5047 30349
San Fele PZ 14 3004 33353
Caggiano SA 15 2765 36118
Picerno PZ 15 5985 42103
Savoia di Lucania PZ 15 1127 43230
Colliano SA 16 3638 46868
Auletta SA 16 2336 49204
Palomonte SA 16 3985 53189
Rapone PZ 17 990 54179
Ruoti PZ 17 3579 57758
Pescopagano PZ 17 1910 59668
Pertosa SA 17 690 60358
Ruvo del Monte PZ 17 1083 61441
Laviano SA 18 1438 62879
Sant'Angelo Le Fratte PZ 18 1429 64308
Santomenna SA 18 443 64751
Valva SA 18 1643 66394
Sant'Andrea di Conza AV 19 1539 67933
Castelnuovo di Conza SA 19 619 68552

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km W of Potenza (67122 inhabitants)
43 Km E of Battipaglia (50786 inhabitants)
61 Km E of Salerno (135261 inhabitants)
63 Km E of Avellino (54857 inhabitants)
65 Km E of Cava de' Tirreni (53659 inhabitants)
72 Km SW of Cerignola (58396 inhabitants)
76 Km SE of Benevento (60091 inhabitants)
81 Km E of Scafati (50787 inhabitants)
84 Km E of Castellammare di Stabia (66466 inhabitants)
85 Km S of Foggia (151991 inhabitants)
90 Km SW of Andria (100440 inhabitants)
91 Km W of Altamura (70396 inhabitants)
94 Km W of Matera (60436 inhabitants)
94 Km E of Torre del Greco (86275 inhabitants)
96 Km E of Portici (55274 inhabitants)
96 Km SW of Barletta (94814 inhabitants)
96 Km E of Ercolano (53709 inhabitants)
97 Km E of Acerra (59573 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 2024-03-23
17:56:32		 40.6985 15.4812 3 2024-03-23
18:25:31		 Sala Sismica INGV-Roma 126095351
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-03-23 17:56:32 ± 0.11
Latitude 40.6985 ± 0.0036
Longitude 15.4812 ± 0.0059
Depth (km) 3 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 126095351

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 402
Semi-minor axis of confidence ellipse (meter) 351
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 266
Circular confidence region, given by single value of horizontal uncertainty (meter) 400.0
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 22
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.36063
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 14
Magnitude information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 126095351
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-03-23 18:25:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VVLD.HHZ. 2024-03-23T17:57:34.39 3.0 undecidable manual Sg 4.1 0
IV.BSSO.HHZ. 2024-03-23T17:56:55.74 3.0 undecidable manual P 1.43 0
IV.CDRU.HHZ. 2024-03-23T17:56:41.67 1.0 undecidable manual S 213 27.5502 95 -0.31 23
IV.ACER.HNE. 2024-03-23T17:56:40.80 1.0 undecidable manual P 76 40.0266 94 0.38 22
IX.RDM3.HNZ.02 2024-03-23T17:56:39.62 1.0 undecidable manual S 13 20.1687 97 0.18 24
IV.SNAL.HHZ. 2024-03-23T17:56:38.87 1.0 undecidable manual P 318 33.9438 94 -0.34 23
IX.SNR3.EHZ.02 2024-03-23T17:56:37.74 0.6 undecidable manual P 280 24.5532 96 0.4 46
IX.CLT3.HNZ.02 2024-03-23T17:56:37.51 1.0 undecidable manual P 344 23.5542 96 0.37 23
IV.SGO.HNZ. 2024-03-23T17:56:37.07 0.6 undecidable manual P 224 21.1677 97 0.41 46
IV.CDRU.HHZ. 2024-03-23T17:56:37.61 0.3 positive manual P 213 27.5502 95 -0.32 70
IX.STN3.EHZ.02 2024-03-23T17:56:37.16 1.0 undecidable manual P 142 23.5542 96 0.03 25
IX.CSG3.HNZ.01 2024-03-23T17:56:36.95 0.6 undecidable manual S 354 13.3755 101 -0.15 49
IX.RDM3.HNZ.02 2024-03-23T17:56:36.74 0.6 undecidable manual P 13 20.1687 97 0.28 47
IX.VDS3.HNZ.02 2024-03-23T17:56:35.05 0.6 undecidable manual S 316 6.4935 111 0.24 49
IX.VDP3.HNZ.01 2024-03-23T17:56:35.30 1.0 undecidable manual P 143 12.876 101 0.29 24
IV.MRLC.HHZ. 2024-03-23T17:56:34.79 0.6 undecidable manual S 6 6.4935 111 0 51
IX.COL3.HHZ.02 2024-03-23T17:56:34.99 0.6 undecidable manual P 264 12.7761 101 0 51
IX.CSG3.HNZ.01 2024-03-23T17:56:34.94 0.1 undecidable manual P 354 13.3755 101 -0.17 98
IX.SCL3.EHZ.02 2024-03-23T17:56:33.77 0.3 undecidable manual S 99 2.5974 134 0.14 75
IX.VDS3.HNZ.02 2024-03-23T17:56:33.71 0.6 undecidable manual P 316 6.4935 111 -0.08 51
IV.MRLC.HHZ. 2024-03-23T17:56:33.55 0.1 positive manual P 6 6.4935 111 -0.22 98
IX.SCL3.EHZ.02 2024-03-23T17:56:32.94 0.1 undecidable manual P 99 2.5974 134 -0.16 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IX.SNR3.EHE.02 ML:2.1 0.0008745000000000001 0.46 AML other m 2024-03-23T17:56:45.35
IV.CDRU.HHE. ML:1.5 0.00017449999999999999 0.28 AML other m 2024-03-23T17:56:45.52
IV.CDRU.HHN. ML:1.2 0.000087 0.26 AML other m 2024-03-23T17:56:45.58
IX.SNR3.EHN.02 ML:2.2 0.00106 0.86 AML other m 2024-03-23T17:56:50.74
IV.CMPR.HHE. ML:1.3 0.000057749999999999994 0.42 AML other m 2024-03-23T17:56:51.39
IV.SNAL.HHE. ML:1.6 0.000193 0.98 AML other m 2024-03-23T17:56:52.92
IV.SNAL.HHN. ML:1.6 0.0001725 0.76 AML other m 2024-03-23T17:56:54.72
IV.SNAL.HNE. ML:1.6 0.0001805 0.8 AML other m 2024-03-23T17:56:55.31
IV.SIRI.HHE. ML:1.4 0.00004655 0.42 AML other m 2024-03-23T17:56:56.27
IV.CMPR.HHN. ML:1.1 0.00004245 0.96 AML other m 2024-03-23T17:56:56.09
IV.SNAL.HNN. ML:1.6 0.000169 0.58 AML other m 2024-03-23T17:56:59.58
IV.SIRI.HHN. ML:1.3 0.0000367 1.4 AML other m 2024-03-23T17:57:03.24
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