Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 09-02-2024 and time 16:54:57 (Italy) in region 4 km NW Ricigliano (SA)

A magnitude ML 1.9 earthquake occured in region: 4 km NW Ricigliano (SA), on

  • 09-02-2024 15:54:57 (UTC)
  • 09-02-2024 16:54:57 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 40.7040, 15.4680 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 4 1144 1144
Muro Lucano PZ 6 5497 6641
Balvano PZ 7 1830 8471
San Gregorio Magno SA 8 4286 12757
Bella PZ 9 5171 17928
Romagnano al Monte SA 9 368 18296
Castelgrande PZ 10 943 19239
Baragiano PZ 11 2671 21910
Buccino SA 12 5047 26957
Vietri di Potenza PZ 12 2832 29789
Salvitelle SA 12 560 30349
San Fele PZ 14 3004 33353
Colliano SA 15 3638 36991
Caggiano SA 15 2765 39756
Palomonte SA 16 3985 43741
Picerno PZ 16 5985 49726
Pescopagano PZ 16 1910 51636
Rapone PZ 16 990 52626
Laviano SA 16 1438 54064
Savoia di Lucania PZ 16 1127 55191
Auletta SA 17 2336 57527
Santomenna SA 17 443 57970
Valva SA 17 1643 59613
Ruvo del Monte PZ 17 1083 60696
Sant'Andrea di Conza AV 18 1539 62235
Ruoti PZ 18 3579 65814
Castelnuovo di Conza SA 18 619 66433
Pertosa SA 18 690 67123
Sant'Angelo Le Fratte PZ 19 1429 68552
Oliveto Citra SA 20 3802 72354

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km W of Potenza (67122 inhabitants)
42 Km E of Battipaglia (50786 inhabitants)
60 Km E of Salerno (135261 inhabitants)
61 Km E of Avellino (54857 inhabitants)
64 Km E of Cava de' Tirreni (53659 inhabitants)
73 Km SW of Cerignola (58396 inhabitants)
75 Km SE of Benevento (60091 inhabitants)
80 Km E of Scafati (50787 inhabitants)
83 Km E of Castellammare di Stabia (66466 inhabitants)
85 Km S of Foggia (151991 inhabitants)
91 Km SW of Andria (100440 inhabitants)
92 Km W of Altamura (70396 inhabitants)
93 Km E of Torre del Greco (86275 inhabitants)
95 Km E of Portici (55274 inhabitants)
95 Km E of Ercolano (53709 inhabitants)
95 Km W of Matera (60436 inhabitants)
96 Km E of Acerra (59573 inhabitants)
97 Km SW of Barletta (94814 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 1.9 2024-02-09
15:54:57		 40.7037 15.4682 4 2024-02-09
16:16:09		 Sala Sismica INGV-Roma 125170461
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-02-09 15:54:57 ± 0.15
Latitude 40.7037 ± 0.0054
Longitude 15.4682 ± 0.0083
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 125170461

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 758
Semi-minor axis of confidence ellipse (meter) 140
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 126
Circular confidence region, given by single value of horizontal uncertainty (meter) 760.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 105
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.34
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.44337
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 11
Magnitude information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 125170461
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-02-09 16:16:09
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MRVN.HHZ. 2024-02-09T15:55:23.04 3.0 undecidable manual S -0.56 0
IV.MRVN.HHZ. 2024-02-09T15:55:12.86 3.0 positive manual P 0.55 0
IV.ACER.HHZ. 2024-02-09T15:55:12.84 0.6 undecidable manual S 77 40.9257 96 0.68 40
IV.PALZ.HHZ. 2024-02-09T15:55:07.35 0.6 negative manual P 57 49.2174 50 -0.41 43
IV.CDRU.HHZ. 2024-02-09T15:55:07.95 0.6 undecidable manual S 210 27.4503 99 0.43 45
IV.ACER.HHZ. 2024-02-09T15:55:06.18 0.6 negative manual P 77 40.9257 96 0.06 47
IV.CMPR.HHZ. 2024-02-09T15:55:06.65 3.0 undecidable manual P -0.09 0
IV.SGO.HNZ. 2024-02-09T15:55:05.87 0.6 undecidable manual S 220 20.868 101 0.61 43
IX.CSG3.HNN. 2024-02-09T15:55:03.08 0.6 undecidable manual S 358 12.6762 108 0.56 44
IV.SNAL.HHZ. 2024-02-09T15:55:03.44 3.0 undecidable manual P -1.01 0
IX.RDM3.HNZ. 2024-02-09T15:55:02.21 0.1 undecidable manual P 17 19.869 102 0.26 94
IV.CDRU.HHZ. 2024-02-09T15:55:02.97 0.1 positive manual P 210 27.4503 99 -0.47 88
IX.CLT3.EHE. 2024-02-09T15:55:02.96 0.1 undecidable manual P 346 22.755 100 0.45 90
IX.COL3.HHZ.02 2024-02-09T15:55:02.86 0.6 undecidable manual S 261 11.7771 110 0.66 42
IV.SGO.HNZ. 2024-02-09T15:55:01.93 0.1 undecidable manual P 220 20.868 101 -0.21 95
IX.COL3.HHZ.02 2024-02-09T15:55:00.35 0.1 negative manual P 261 11.7771 110 -0.02 100
IX.SCL3.EHZ.02 2024-02-09T15:55:00.17 0.6 undecidable manual S 105 3.7962 138 0.34 47
IX.CSG3.HNN. 2024-02-09T15:55:00.40 0.1 undecidable manual P 358 12.6762 108 -0.16 97
IV.MRLC.HNZ. 2024-02-09T15:55:00.23 0.6 undecidable manual S 17 6.0939 124 -0.22 49
IX.VDS3.HNE. 2024-02-09T15:55:00.08 0.6 undecidable manual S 320 5.3946 128 -0.16 49
IV.MRLC.HNZ. 2024-02-09T15:54:59.03 0.1 positive manual P 17 6.0939 124 -0.33 95
IX.SCL3.EHZ.02 2024-02-09T15:54:58.79 0.1 positive manual P 105 3.7962 138 -0.22 97
IX.VDS3.HNE. 2024-02-09T15:54:58.80 0.1 undecidable manual P 320 5.3946 128 -0.44 93
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IX.COL3.HHE.02 ML:2.4 0.003505 0.88 AML other m 2024-02-09T15:55:03.50
IX.COL3.HHN.02 ML:2.3 0.003 0.46 AML other m 2024-02-09T15:55:04.31
IX.COL3.HNN.01 ML:2.2 0.0023 0.64 AML other m 2024-02-09T15:55:04.31
IX.COL3.HNE.01 ML:2.4 0.003805 1.1 AML other m 2024-02-09T15:55:04.38
IV.CDRU.HNE. ML:1.7 0.00027400000000000005 1.44 AML other m 2024-02-09T15:55:08.76
IV.CDRU.HNN. ML:1.5 0.0001785 0.36 AML other m 2024-02-09T15:55:08.37
IV.CDRU.HHN. ML:1.5 0.000187 0.26 AML other m 2024-02-09T15:55:08.37
IV.CDRU.HHE. ML:1.7 0.0002875 0.44 AML other m 2024-02-09T15:55:12.72
IV.ACER.HNN. ML:2.0 0.000319 0.48 AML other m 2024-02-09T15:55:14.25
IV.ACER.HHN. ML:2.0 0.0003255 0.52 AML other m 2024-02-09T15:55:14.24
IV.SNAL.HHE. ML:1.9 0.00035549999999999997 0.84 AML other m 2024-02-09T15:55:18.04
IV.SNAL.HNE. ML:1.9 0.000371 0.84 AML other m 2024-02-09T15:55:18.05
IV.ACER.HHE. ML:2.0 0.000384 0.46 AML other m 2024-02-09T15:55:18.88
IV.ACER.HNE. ML:2.0 0.0003685 0.46 AML other m 2024-02-09T15:55:18.89
IV.SNAL.HNN. ML:1.9 0.000382 0.52 AML other m 2024-02-09T15:55:18.44
IV.SNAL.HHN. ML:1.9 0.000347 1.04 AML other m 2024-02-09T15:55:18.43
IV.MRVN.HHN. ML:1.7 0.00007445000000000001 1.28 AML other m 2024-02-09T15:55:24.90
IV.MRVN.HHE. ML:1.7 0.00008099999999999999 1.12 AML other m 2024-02-09T15:55:25.38
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