Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 17-04-2024 and time 19:05:13 (UTC) in region 3 km N Ricigliano (SA)

A magnitude ML 2.1 earthquake occured in region: 3 km N Ricigliano (SA), on

  • 17-04-2024 19:05:13 (UTC)
  • 17-04-2024 21:05:13 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.6970, 15.4880 at 1 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 5 1830 2974
Muro Lucano PZ 6 5497 8471
Bella PZ 8 5171 13642
San Gregorio Magno SA 9 4286 17928
Romagnano al Monte SA 9 368 18296
Baragiano PZ 9 2671 20967
Vietri di Potenza PZ 11 2832 23799
Castelgrande PZ 11 943 24742
Salvitelle SA 12 560 25302
Buccino SA 12 5047 30349
Picerno PZ 14 5985 36334
Caggiano SA 14 2765 39099
San Fele PZ 14 3004 42103
Savoia di Lucania PZ 15 1127 43230
Ruoti PZ 16 3579 46809
Auletta SA 16 2336 49145
Colliano SA 17 3638 52783
Rapone PZ 17 990 53773
Palomonte SA 17 3985 57758
Pescopagano PZ 17 1910 59668
Pertosa SA 17 690 60358
Ruvo del Monte PZ 18 1083 61441
Sant'Angelo Le Fratte PZ 18 1429 62870
Laviano SA 18 1438 64308
Santomenna SA 19 443 64751
Valva SA 19 1643 66394
Sant'Andrea di Conza AV 19 1539 67933
Castelnuovo di Conza SA 20 619 68552
Avigliano PZ 20 11577 80129

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km W of Potenza (67122 inhabitants)
44 Km E of Battipaglia (50786 inhabitants)
61 Km E of Salerno (135261 inhabitants)
63 Km E of Avellino (54857 inhabitants)
66 Km E of Cava de' Tirreni (53659 inhabitants)
72 Km SW of Cerignola (58396 inhabitants)
77 Km SE of Benevento (60091 inhabitants)
81 Km E of Scafati (50787 inhabitants)
85 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)
95 Km E of Torre del Greco (86275 inhabitants)
96 Km SW of Barletta (94814 inhabitants)
97 Km E of Portici (55274 inhabitants)
97 Km E of Ercolano (53709 inhabitants)
98 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 2.1 2024-04-17
19:05:13		 40.6968 15.4882 1 2024-04-17
19:14:11		 Sala Sismica INGV-Roma 126837891
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-04-17 19:05:13 ± 0.13
Latitude 40.6968 ± 0.0072
Longitude 15.4882 ± 0.0083
Depth (km) 1 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 126837891

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 850
Semi-minor axis of confidence ellipse (meter) 630
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 22
Circular confidence region, given by single value of horizontal uncertainty (meter) 850.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 71
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.45
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.86964
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 16
Magnitude information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.5
Num. used stations 10
Type of magnitude ML
Reference to an origin 126837891
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-04-17 19:14:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GIB.HHZ. 2024-04-17T19:06:41.84 3.0 undecidable manual Sn -0.59 0
IV.FOSV.EHZ. 2024-04-17T19:06:26.89 3.0 undecidable manual Sg 1.98 0
IV.MMO1.EHZ. 2024-04-17T19:06:09.64 3.0 undecidable manual Sg -1.3 0
IV.SACS.HHZ. 2024-04-17T19:05:51.77 3.0 undecidable manual Pg -0.39 0
IV.AMUR.HHZ. 2024-04-17T19:05:31.49 0.1 undecidable manual P 76 96.5256 50 0.18 82
IV.CAFE.HHZ. 2024-04-17T19:05:29.50 0.3 undecidable manual S 330 42.3243 92 1.05 51
IV.SNAL.HHZ. 2024-04-17T19:05:25.82 0.3 undecidable manual S 317 34.5432 92 0.09 71
IV.MCRV.HHZ. 2024-04-17T19:05:24.68 0.6 undecidable manual S 290 28.5492 92 1.04 35
IV.PALZ.HHZ. 2024-04-17T19:05:22.87 0.1 undecidable manual P 55 48.2184 91 -0.54 83
IV.CAFE.HHZ. 2024-04-17T19:05:21.50 0.1 undecidable manual P 330 42.3243 92 -0.73 78
IV.SNAL.HHZ. 2024-04-17T19:05:20.07 0.1 undecidable manual P 317 34.5432 92 -0.59 83
IX.PGN3.HNN.02 2024-04-17T19:05:20.49 0.1 undecidable manual P 118 29.4483 92 0.85 76
IV.VULT.HHN. 2024-04-17T19:05:20.28 0.1 undecidable manual P 21 30.5472 92 0.41 89
IV.MCRV.HHZ. 2024-04-17T19:05:19.03 0.1 undecidable manual P 290 28.5492 92 -0.43 89
IX.COL3.HHZ.02 2024-04-17T19:05:19.16 0.3 undecidable manual S 265 13.2756 95 0.78 60
IX.RDM3.HNN.02 2024-04-17T19:05:18.61 0.1 undecidable manual P 11 20.2686 93 0.81 78
IV.CDRU.HHZ. 2024-04-17T19:05:18.76 1.0 undecidable manual P 214 27.6501 92 -0.54 22
IX.STN3.EHZ.02 2024-04-17T19:05:18.40 0.1 undecidable manual P 143 23.0547 93 0.03 97
IV.SGO.HNE. 2024-04-17T19:05:17.82 0.1 undecidable manual P 225 21.4674 93 -0.23 94
IX.VDS3.HNE. 2024-04-17T19:05:16.45 0.6 undecidable manual S 314 7.0929 99 0.22 48
IX.COL3.HHZ.02 2024-04-17T19:05:16.24 0.1 undecidable manual P 265 13.2756 95 -0.18 96
IX.SFL3.HNE. 2024-04-17T19:05:16.02 0.1 undecidable manual P 37 12.6762 95 -0.28 94
IV.MRLC.HHZ. 2024-04-17T19:05:15.97 0.6 undecidable manual S 1 6.5934 100 -0.1 49
IV.MRLC.HHZ. 2024-04-17T19:05:14.76 0.1 undecidable manual P 1 6.5934 100 -0.33 94
IX.SCL3.EHN. 2024-04-17T19:05:14.13 0.1 undecidable manual P 96 1.998 120 -0.07 100
IX.VDS3.HNE. 2024-04-17T19:05:14.85 0.1 undecidable manual P 314 7.0929 99 -0.33 94
IX.SCL3.EHN. 2024-04-17T19:05:14.69 0.6 undecidable manual S 96 1.998 120 0.15 49
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IX.COL3.HHE.02 ML:2.3 0.00261 1.46 AML other m 2024-04-17T19:05:20.13
IX.COL3.HNE.01 ML:2.3 0.002725 1.46 AML other m 2024-04-17T19:05:20.13
IX.COL3.HHN.02 ML:2.2 0.0019549999999999997 0.52 AML other m 2024-04-17T19:05:21.58
IX.COL3.HNN.01 ML:2.0 0.0014100000000000002 0.52 AML other m 2024-04-17T19:05:21.59
IV.MCRV.HHN. ML:2.0 0.0004845 0.84 AML other m 2024-04-17T19:05:24.51
IV.CDRU.HHN. ML:1.3 0.00010725000000000002 0.24 AML other m 2024-04-17T19:05:25.78
IV.CDRU.HHE. ML:1.6 0.00021050000000000002 0.22 AML other m 2024-04-17T19:05:27.50
IV.MCRV.HHE. ML:1.8 0.0003735 0.36 AML other m 2024-04-17T19:05:28.91
IX.STN3.EHE.02 ML:3.4 0.0172 0.4 AML other m 2024-04-17T19:05:29.63
IX.STN3.EHN.02 ML:3.3 0.0153 0.58 AML other m 2024-04-17T19:05:31.62
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