Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 08-02-2024 and time 15:42:58 (Italy) in region 5 km NW Ricigliano (SA)

A magnitude ML 1.8 earthquake occured in region: 5 km NW Ricigliano (SA), on

  • 08-02-2024 14:42:58 (UTC)
  • 08-02-2024 15:42:58 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 40.7080, 15.4530 at 4 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 5 1144 1144
Muro Lucano PZ 6 5497 6641
San Gregorio Magno SA 7 4286 10927
Balvano PZ 8 1830 12757
Romagnano al Monte SA 9 368 13125
Castelgrande PZ 9 943 14068
Bella PZ 9 5171 19239
Buccino SA 11 5047 24286
Baragiano PZ 12 2671 26957
Vietri di Potenza PZ 13 2832 29789
Salvitelle SA 13 560 30349
Colliano SA 14 3638 33987
Palomonte SA 15 3985 37972
San Fele PZ 15 3004 40976
Pescopagano PZ 15 1910 42886
Laviano SA 15 1438 44324
Valva SA 16 1643 45967
Santomenna SA 16 443 46410
Caggiano SA 16 2765 49175
Rapone PZ 16 990 50165
Castelnuovo di Conza SA 17 619 50784
Sant'Andrea di Conza AV 17 1539 52323
Auletta SA 17 2336 54659
Picerno PZ 17 5985 60644
Savoia di Lucania PZ 17 1127 61771
Ruvo del Monte PZ 17 1083 62854
Pertosa SA 18 690 63544
Oliveto Citra SA 18 3802 67346
Contursi Terme SA 19 3394 70740
Ruoti PZ 19 3579 74319
Conza della Campania AV 19 1373 75692
Sant'Angelo Le Fratte PZ 20 1429 77121

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km W of Potenza (67122 inhabitants)
41 Km E of Battipaglia (50786 inhabitants)
59 Km E of Salerno (135261 inhabitants)
60 Km E of Avellino (54857 inhabitants)
63 Km E of Cava de' Tirreni (53659 inhabitants)
73 Km SW of Cerignola (58396 inhabitants)
73 Km SE of Benevento (60091 inhabitants)
78 Km E of Scafati (50787 inhabitants)
82 Km E of Castellammare di Stabia (66466 inhabitants)
84 Km S of Foggia (151991 inhabitants)
91 Km SW of Andria (100440 inhabitants)
92 Km E of Torre del Greco (86275 inhabitants)
93 Km E of Portici (55274 inhabitants)
94 Km W of Altamura (70396 inhabitants)
94 Km E of Ercolano (53709 inhabitants)
95 Km E of Acerra (59573 inhabitants)
97 Km W of Matera (60436 inhabitants)
97 Km SW of Barletta (94814 inhabitants)
99 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 1.8 2024-02-08
14:42:58		 40.7075 15.4532 4 2024-02-08
14:55:29		 Sala Sismica INGV-Roma 125130161
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-02-08 14:42:58 ± 0.1
Latitude 40.7075 ± 0.0054
Longitude 15.4532 ± 0.0071
Depth (km) 4 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 125130161

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 521
Semi-minor axis of confidence ellipse (meter) 475
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 101
Circular confidence region, given by single value of horizontal uncertainty (meter) 520.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 51
Number of associated phases, regardless of their use for origin computation 33
Number of defining phases 30
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.66280
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 18
Magnitude information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 125130161
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-02-08 14:55:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MELA.HHZ. 2024-02-08T14:43:31.61 3.0 undecidable manual S 0.14 0
IV.MRVN.HHZ. 2024-02-08T14:43:24.08 1.0 undecidable manual S 58 73.5708 50 1.81 10
IX.CET2.HHZ. 2024-02-08T14:43:19.98 3.0 undecidable manual S 0
IV.CET2.HHZ. 2024-02-08T14:43:16.41 3.0 positive manual P -0.64 0
IV.MCEL.HHZ. 2024-02-08T14:43:16.52 0.3 undecidable manual S 145 51.6039 50 0.12 67
IV.PALZ.HHZ. 2024-02-08T14:43:15.85 0.6 undecidable manual S 58 50.0166 50 -0.12 45
IV.MRVN.HHZ. 2024-02-08T14:43:12.55 1.0 undecidable manual P 58 73.5708 50 0.26 21
IV.PALZ.HHZ. 2024-02-08T14:43:08.24 0.1 undecidable manual P 58 50.0166 50 -0.42 85
IV.MCEL.HHZ. 2024-02-08T14:43:08.67 0.3 undecidable manual P 145 51.6039 50 -0.24 66
IV.CMPR.HHZ. 2024-02-08T14:43:07.18 0.1 undecidable manual P 196 45.0216 96 -0.56 82
IV.SGO.HHZ. 2024-02-08T14:43:06.68 0.6 undecidable manual S 217 20.4684 102 0.76 40
IV.VULT.HHN. 2024-02-08T14:43:05.28 0.1 undecidable manual P 26 30.6471 98 0.4 88
IX.RDM3.HNN.02 2024-02-08T14:43:05.93 0.3 undecidable manual S 20 19.869 102 0.19 70
IX.CLT3.HNE.02 2024-02-08T14:43:05.76 0.1 undecidable manual S 349 22.0668 101 -0.72 80
IV.SNAL.HHZ. 2024-02-08T14:43:04.76 0.3 undecidable manual P 320 31.746 98 -0.32 67
IX.CLT3.HNE.02 2024-02-08T14:43:04.24 0.3 undecidable manual P 349 22.0668 101 1.05 52
IX.SNR3.EHZ.02 2024-02-08T14:43:04.78 0.3 undecidable manual S 278 22.1556 101 -1.72 35
IX.SNR3.EHZ.02 2024-02-08T14:43:03.37 0.1 undecidable manual P 278 22.1556 101 0.18 94
IX.COL3.HHN.02 2024-02-08T14:43:03.17 0.1 undecidable manual S 258 10.5783 112 0.53 88
IV.CDRU.HHZ. 2024-02-08T14:43:03.85 0.1 undecidable manual P 207 27.2505 99 -0.35 90
IV.SGO.HHZ. 2024-02-08T14:43:03.02 0.1 undecidable manual P 217 20.4684 102 0.16 94
IX.RDM3.HNN.02 2024-02-08T14:43:03.40 0.3 undecidable manual P 20 19.869 102 0.64 62
IX.CSG3.HNZ.01 2024-02-08T14:43:03.31 0.1 undecidable manual S 4 12.2766 110 0.1 97
IX.VDP3.HNZ. 2024-02-08T14:43:02.03 0.1 undecidable manual P 139 15.1737 106 0.2 94
IV.MRLC.HNZ. 2024-02-08T14:43:01.18 0.1 undecidable manual S 29 6.1938 125 -0.13 97
IX.CSG3.HNZ.01 2024-02-08T14:43:01.41 0.3 undecidable manual P 4 12.2766 110 0.12 72
IX.SFL3.HNE.01 2024-02-08T14:43:01.58 0.1 undecidable manual P 49 13.875 107 -0.01 98
IX.COL3.HHN.02 2024-02-08T14:43:01.33 0.3 undecidable manual P 258 10.5783 112 0.36 69
IX.SCL3.EHZ.02 2024-02-08T14:43:00.72 0.6 undecidable manual S 106 5.0949 131 -0.28 47
IX.VDS3.HNE.01 2024-02-08T14:43:00.80 0.1 undecidable manual S 329 4.2957 135 0 100
IV.MRLC.HNZ. 2024-02-08T14:43:00.03 0.1 undecidable manual P 29 6.1938 125 -0.16 96
IX.SCL3.EHZ.02 2024-02-08T14:42:59.81 0.1 undecidable manual P 106 5.0949 131 -0.21 96
IX.VDS3.HNE.01 2024-02-08T14:42:59.86 0.1 undecidable manual P 329 4.2957 135 -0.05 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CDRU.HHN. ML:1.4 0.000156 1.46 AML other m 2024-02-08T14:43:08.83
IV.SGO.HHN. ML:1.9 0.000728 0.16 AML other m 2024-02-08T14:43:08.26
IV.SGO.HHE. ML:1.7 0.000379 0.18 AML other m 2024-02-08T14:43:08.33
IV.CDRU.HHE. ML:1.7 0.00030300000000000005 0.5 AML other m 2024-02-08T14:43:09.08
IX.SNR3.EHE.02 ML:2.5 0.002335 0.54 AML other m 2024-02-08T14:43:11.81
IX.SNR3.HNE.01 ML:2.2 0.0011899999999999999 0.52 AML other m 2024-02-08T14:43:11.80
IX.SNR3.EHN.02 ML:2.6 0.00292 0.54 AML other m 2024-02-08T14:43:12.28
IX.SNR3.HNN.01 ML:2.3 0.001545 0.54 AML other m 2024-02-08T14:43:12.28
IV.CDRU.HNN. ML:1.4 0.0001615 0.7 AML other m 2024-02-08T14:43:12.99
IV.CDRU.HNE. ML:1.7 0.000288 0.44 AML other m 2024-02-08T14:43:13.54
IV.SNAL.HHE. ML:1.8 0.00027049999999999996 1.12 AML other m 2024-02-08T14:43:18.83
IV.SNAL.HNE. ML:1.8 0.0002775 1.08 AML other m 2024-02-08T14:43:18.83
IV.SNAL.HNN. ML:1.8 0.0003325 0.8 AML other m 2024-02-08T14:43:19.90
IV.SNAL.HHN. ML:1.8 0.000317 0.82 AML other m 2024-02-08T14:43:19.50
IV.MRVN.HHN. ML:1.6 0.00006735 1.24 AML other m 2024-02-08T14:43:25.86
IV.MRVN.HHE. ML:1.6 0.00006705 0.32 AML other m 2024-02-08T14:43:26.21
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download