Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 10-04-2024 and time 20:30:32 (UTC) in region 4 km NE Ricigliano (SA)

A magnitude ML 1.7 earthquake occured in region: 4 km NE Ricigliano (SA), on

  • 10-04-2024 20:30:32 (UTC)
  • 10-04-2024 22:30:32 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.6990, 15.5020 at 5 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
Balvano PZ 5 1830 2974
Muro Lucano PZ 6 5497 8471
Bella PZ 7 5171 13642
Baragiano PZ 8 2671 16313
Romagnano al Monte SA 10 368 16681
San Gregorio Magno SA 10 4286 20967
Vietri di Potenza PZ 11 2832 23799
Castelgrande PZ 11 943 24742
Salvitelle SA 12 560 25302
Picerno PZ 13 5985 31287
Buccino SA 14 5047 36334
San Fele PZ 14 3004 39338
Caggiano SA 15 2765 42103
Ruoti PZ 15 3579 45682
Savoia di Lucania PZ 15 1127 46809
Rapone PZ 17 990 47799
Auletta SA 17 2336 50135
Ruvo del Monte PZ 17 1083 51218
Sant'Angelo Le Fratte PZ 18 1429 52647
Pescopagano PZ 18 1910 54557
Colliano SA 18 3638 58195
Pertosa SA 18 690 58885
Palomonte SA 18 3985 62870
Avigliano PZ 19 11577 74447
Laviano SA 19 1438 75885
Santomenna SA 20 443 76328
Sant'Andrea di Conza AV 20 1539 77867
Tito PZ 20 7332 85199

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km W of Potenza (67122 inhabitants)
45 Km E of Battipaglia (50786 inhabitants)
63 Km E of Salerno (135261 inhabitants)
64 Km E of Avellino (54857 inhabitants)
67 Km E of Cava de' Tirreni (53659 inhabitants)
72 Km SW of Cerignola (58396 inhabitants)
77 Km SE of Benevento (60091 inhabitants)
82 Km E of Scafati (50787 inhabitants)
85 Km S of Foggia (151991 inhabitants)
86 Km E of Castellammare di Stabia (66466 inhabitants)
89 Km SW of Andria (100440 inhabitants)
90 Km W of Altamura (70396 inhabitants)
93 Km W of Matera (60436 inhabitants)
95 Km SW of Barletta (94814 inhabitants)
96 Km E of Torre del Greco (86275 inhabitants)
98 Km E of Portici (55274 inhabitants)
98 Km E of Ercolano (53709 inhabitants)
99 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 1.7 2024-04-10
20:30:32		 40.699 15.502 5 2024-04-10
20:43:05		 Sala Sismica INGV-Roma 126631591
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-04-10 20:30:32 ± 0.09
Latitude 40.6990 ± 0.0063
Longitude 15.5020 ± 0.0059
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 126631591

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 660
Semi-minor axis of confidence ellipse (meter) 510
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 357
Circular confidence region, given by single value of horizontal uncertainty (meter) 660.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 65
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.00809
Epicentral distance of station farthest from the epicenter (degree) 0.43797
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitude information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 126631591
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-04-10 20:43:05
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PALZ.HHZ. 2024-04-10T20:30:49.22 0.3 undecidable manual S 55 47.1195 50 0.28 67
IV.MCRV.HHZ. 2024-04-10T20:30:43.29 0.6 undecidable manual S 288 29.5482 100 0.33 45
IV.MCEL.HHZ. 2024-04-10T20:30:42.50 1.0 undecidable manual P 149 48.618 50 0.25 22
IX.SNR3.EHZ.02 2024-04-10T20:30:42.39 0.3 undecidable manual S 279 26.3514 101 0.53 65
IV.CMPR.HHZ. 2024-04-10T20:30:41.64 0.6 undecidable manual P 202 45.4212 96 -0.09 46
IV.CAFE.HHZ. 2024-04-10T20:30:41.01 0.6 undecidable manual P 329 42.7239 97 -0.18 46
IV.PALZ.HHZ. 2024-04-10T20:30:41.97 1.0 negative manual P 55 47.1195 50 -0.05 23
IV.ACER.HHZ. 2024-04-10T20:30:40.97 0.6 negative manual P 75 38.3283 97 0.67 40
IV.SNAL.HHZ. 2024-04-10T20:30:39.39 0.6 negative manual P 316 35.1426 98 -0.28 45
IV.MCRV.HHZ. 2024-04-10T20:30:38.32 1.0 positive manual P 288 29.5482 100 -0.24 23
IV.CDRU.HHZ. 2024-04-10T20:30:38.09 0.3 negative manual P 216 28.5492 100 -0.28 69
IX.SNR3.EHZ.02 2024-04-10T20:30:37.90 0.6 positive manual P 279 26.3514 101 -0.03 48
IV.MRLC.HHZ. 2024-04-10T20:30:35.10 0.6 undecidable manual S 350 6.4935 128 -0.29 47
IX.SCL3.EHZ.02 2024-04-10T20:30:34.26 0.3 undecidable manual S 119 0.8991 170 -0.06 75
IX.SCL3.EHZ.02 2024-04-10T20:30:33.49 0.1 undecidable manual P 119 0.8991 170 -0.09 100
IV.MRLC.HHZ. 2024-04-10T20:30:33.95 0.1 positive manual P 350 6.4935 128 -0.25 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MCRV.HNN. ML:2.1 0.0007289999999999999 1.46 AML other m 2024-04-10T20:30:43.18
IV.MCRV.HNE. ML:2.1 0.0007325 1.58 AML other m 2024-04-10T20:30:43.19
IV.CDRU.HHN. ML:1.2 0.00007975 0.3 AML other m 2024-04-10T20:30:44.38
IV.CDRU.HHE. ML:1.4 0.0001475 0.38 AML other m 2024-04-10T20:30:45.69
IX.SNR3.EHE.02 ML:2.2 0.0010314999999999999 1.02 AML other m 2024-04-10T20:30:45.94
IV.MCRV.HHE. ML:1.6 0.0002 0.36 AML other m 2024-04-10T20:30:46.02
IX.SNR3.EHN.02 ML:2.3 0.001265 0.38 AML other m 2024-04-10T20:30:46.43
IV.MCRV.HHN. ML:1.6 0.000215 0.68 AML other m 2024-04-10T20:30:46.45
IV.ACER.HHE. ML:1.6 0.0001665 0.66 AML other m 2024-04-10T20:30:47.66
IV.ACER.HNE. ML:1.7 0.00017749999999999998 1.34 AML other m 2024-04-10T20:30:48.67
IV.ACER.HHN. ML:1.7 0.000186 0.6 AML other m 2024-04-10T20:30:49.92
IV.ACER.HNN. ML:1.7 0.000175 1.36 AML other m 2024-04-10T20:30:50.92
IV.MCEL.HNN. ML:1.6 0.00011784999999999999 0.68 AML other m 2024-04-10T20:30:54.15
IV.MCEL.HNE. ML:1.7 0.0001255 1.48 AML other m 2024-04-10T20:30:59.92
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