Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 26-08-2023 and time 20:51:17 (Italy) in region 1 km SW Muro Lucano (PZ)

A magnitude ML 1.6 earthquake occured in region: 1 km SW Muro Lucano (PZ), on

  • 26-08-2023 18:51:17 (UTC)
  • 26-08-2023 20:51:17 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.7450, 15.4750 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
Muro Lucano PZ 1 5497 5497
Bella PZ 6 5171 10668
Castelgrande PZ 6 943 11611
Ricigliano SA 8 1144 12755
San Fele PZ 10 3004 15759
Balvano PZ 11 1830 17589
Rapone PZ 12 990 18579
San Gregorio Magno SA 12 4286 22865
Pescopagano PZ 12 1910 24775
Baragiano PZ 12 2671 27446
Ruvo del Monte PZ 13 1083 28529
Romagnano al Monte SA 13 368 28897
Sant'Andrea di Conza AV 14 1539 30436
Santomenna SA 15 443 30879
Laviano SA 15 1438 32317
Castelnuovo di Conza SA 15 619 32936
Buccino SA 15 5047 37983
Colliano SA 16 3638 41621
Vietri di Potenza PZ 16 2832 44453
Salvitelle SA 17 560 45013
Valva SA 17 1643 46656
Conza della Campania AV 17 1373 48029
Ruoti PZ 17 3579 51608
Calitri AV 18 4666 56274
Palomonte SA 18 3985 60259
Picerno PZ 18 5985 66244
Cairano AV 19 326 66570
Caggiano SA 20 2765 69335

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km W of Potenza (67122 inhabitants)
44 Km E of Battipaglia (50786 inhabitants)
60 Km E of Avellino (54857 inhabitants)
61 Km E of Salerno (135261 inhabitants)
65 Km E of Cava de' Tirreni (53659 inhabitants)
68 Km SW of Cerignola (58396 inhabitants)
72 Km SE of Benevento (60091 inhabitants)
80 Km E of Scafati (50787 inhabitants)
80 Km S of Foggia (151991 inhabitants)
84 Km E of Castellammare di Stabia (66466 inhabitants)
87 Km SW of Andria (100440 inhabitants)
91 Km W of Altamura (70396 inhabitants)
93 Km SW of Barletta (94814 inhabitants)
94 Km E of Torre del Greco (86275 inhabitants)
95 Km E of Portici (55274 inhabitants)
95 Km W of Matera (60436 inhabitants)
95 Km E of Ercolano (53709 inhabitants)
96 Km E of Acerra (59573 inhabitants)
99 Km SW of Trani (56217 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 1.6 2023-08-26
18:51:17		 40.7447 15.4752 2 2023-08-26
19:01:34		 Sala Sismica INGV-Roma 120498211
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-08-26 18:51:17 ± 0.06
Latitude 40.7447 ± 0.0027
Longitude 15.4752 ± 0.0036
Depth (km) 2 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 120498211

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 280
Semi-minor axis of confidence ellipse (meter) 101
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 309
Circular confidence region, given by single value of horizontal uncertainty (meter) 280.0
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 34
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.37412
Number of stations at which the event was observed 29
Number of stations from which data was used for origin computation 21
Magnitude information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 34
Type of magnitude ML
Reference to an origin 120498211
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-08-26 19:01:34
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SPS2.HHZ. 2023-08-26T18:51:45.98 3.0 negative manual P -0.24 0
IV.MRVN.HHZ. 2023-08-26T18:51:31.29 3.0 positive manual P 0.36 0
IV.MGR.HHZ. 2023-08-26T18:51:29.82 3.0 undecidable manual P -0.43 0
IV.PTRP.HHZ. 2023-08-26T18:51:28.66 3.0 positive manual P 0.27 0
IV.MCEL.HHZ. 2023-08-26T18:51:28.43 3.0 undecidable manual P 0.41 0
IV.CMPR.HHZ. 2023-08-26T18:51:26.31 3.0 negative manual P -0.58 0
IV.PALZ.HHZ. 2023-08-26T18:51:26.27 3.0 undecidable manual P -0.44 0
IV.SLCN.HHZ. 2023-08-26T18:51:25.39 1.0 positive manual P 161 41.5251 92 -0.15 23
IV.ACER.HHZ. 2023-08-26T18:51:25.42 3.0 positive manual P 0.08 0
IX.CMP3.EHZ.02 2023-08-26T18:51:24.14 0.1 undecidable manual P 253 34.743 92 -0.05 95
IX.PGN3.HNE.02 2023-08-26T18:51:24.01 0.6 undecidable manual P 125 33.1446 93 0.14 47
IV.CAFE.HHZ. 2023-08-26T18:51:24.76 0.3 negative manual P 328 37.2294 92 0.07 71
IX.LIO3.HNZ.02 2023-08-26T18:51:23.11 0.3 undecidable manual P 304 29.9478 93 -0.12 71
IX.SRN3.HHZ.02 2023-08-26T18:51:23.05 0.3 negative manual P 183 28.749 93 0.07 72
IV.VULT.HHZ. 2023-08-26T18:51:23.21 1.0 positive manual P 27 26.1516 93 0.74 20
IV.SNAL.HHZ. 2023-08-26T18:51:23.30 0.3 undecidable manual P 312 30.0477 93 0.06 72
IV.PZUN.HNE. 2023-08-26T18:51:23.34 0.6 undecidable manual P 111 29.9478 93 0.11 47
IV.CDRU.HHZ. 2023-08-26T18:51:23.52 0.6 undecidable manual P 207 31.746 93 -0.06 48
IX.PST3.HNZ.02 2023-08-26T18:51:22.91 0.6 undecidable manual P 224 28.2495 93 0.03 48
IX.COL3.HHZ.02 2023-08-26T18:51:22.31 0.3 undecidable manual S 242 13.7751 96 0.3 70
IX.SNR3.EHZ.02 2023-08-26T18:51:22.08 0.6 undecidable manual P 268 23.754 94 0.09 48
IV.MCRV.HHZ. 2023-08-26T18:51:21.94 0.3 undecidable manual P 279 26.1516 93 -0.52 65
IX.CLT3.EHZ.02 2023-08-26T18:51:21.01 0.6 undecidable manual P 341 18.5703 95 0.06 49
IX.CSG3.HNZ.01 2023-08-26T18:51:20.25 0.3 undecidable manual S 353 8.1807 100 0.14 73
IX.RDM3.HHZ.02 2023-08-26T18:51:20.47 0.3 undecidable manual P 19 15.3735 96 0.15 72
IX.COL3.HHZ.02 2023-08-26T18:51:19.90 0.1 negative manual P 242 13.7751 96 -0.09 98
IX.SFL3.HNZ.01 2023-08-26T18:51:19.26 0.3 undecidable manual P 60 9.9789 98 0.02 75
IX.SCL3.EHZ.02 2023-08-26T18:51:19.53 0.6 undecidable manual S 151 6.2937 103 0.07 50
IX.VDS3.HNZ.01 2023-08-26T18:51:19.03 0.3 undecidable manual S 264 4.0959 110 0.31 71
IX.SCL3.EHZ.02 2023-08-26T18:51:18.46 0.1 positive manual P 151 6.2937 103 -0.05 100
IV.MRLC.HNZ. 2023-08-26T18:51:18.06 0.3 undecidable manual S 41 1.7982 130 0.05 76
IX.CSG3.HNZ.01 2023-08-26T18:51:18.78 0.3 undecidable manual P 353 8.1807 100 -0.11 74
IV.MRLC.HNZ. 2023-08-26T18:51:17.41 0.1 undecidable manual P 41 1.7982 130 -0.27 96
IX.VDS3.HNZ.01 2023-08-26T18:51:17.88 0.3 undecidable manual P 264 4.0959 110 -0.2 73
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IX.COL3.HNE.01 ML:2.1 0.001835 0.3 AML other m 2023-08-26T18:51:25.18
IX.COL3.HHE.02 ML:2.2 0.00206 0.8 AML other m 2023-08-26T18:51:25.03
IX.COL3.HHN.02 ML:2.0 0.001495 0.84 AML other m 2023-08-26T18:51:25.62
IX.COL3.HNN.01 ML:2.0 0.00149 1.24 AML other m 2023-08-26T18:51:25.62
IX.SNR3.EHE.02 ML:1.7 0.00034599999999999995 0.74 AML other m 2023-08-26T18:51:29.67
IX.SNR3.EHN.02 ML:1.9 0.0005475 0.42 AML other m 2023-08-26T18:51:31.13
IX.CMP3.EHE.02 ML:1.8 0.000259 0.28 AML other m 2023-08-26T18:51:31.64
IX.CMP3.EHN.02 ML:2.0 0.000424 0.24 AML other m 2023-08-26T18:51:31.65
IX.SRN3.HHN.02 ML:2.0 0.00048699999999999997 0.48 AML other m 2023-08-26T18:51:32.96
IV.CDRU.HHE. ML:1.5 0.0001395 1.38 AML other m 2023-08-26T18:51:33.29
IV.VULT.HHE. ML:1.5 0.000202 1.2 AML other m 2023-08-26T18:51:33.88
IX.SRN3.HHE.02 ML:1.8 0.00030649999999999997 1.34 AML other m 2023-08-26T18:51:34.67
IV.CAFE.HHE. ML:1.5 0.0001275 0.98 AML other m 2023-08-26T18:51:35.04
IV.CAFE.HHN. ML:1.3 0.00008474999999999999 0.56 AML other m 2023-08-26T18:51:35.55
IV.SNAL.HHN. ML:1.6 0.000221 0.84 AML other m 2023-08-26T18:51:35.64
IV.SNAL.HNN. ML:1.6 0.00021600000000000002 0.94 AML other m 2023-08-26T18:51:35.67
IV.CDRU.HHN. ML:1.2 0.0000751 0.46 AML other m 2023-08-26T18:51:35.80
IV.SNAL.HHE. ML:1.7 0.00023299999999999997 1.14 AML other m 2023-08-26T18:51:35.88
IV.SNAL.HNE. ML:1.8 0.00034399999999999996 1.16 AML other m 2023-08-26T18:51:35.89
IV.VULT.HHN. ML:1.6 0.00026349999999999995 0.74 AML other m 2023-08-26T18:51:37.40
IV.CMPR.HHN. ML:1.0 0.000029999999999999997 0.36 AML other m 2023-08-26T18:51:38.58
IV.SLCN.HHN. ML:1.6 0.0001193 0.92 AML other m 2023-08-26T18:51:41.66
IV.CMPR.HHE. ML:1.2 0.00004645 1.56 AML other m 2023-08-26T18:51:43.00
IV.SLCN.HHE. ML:1.8 0.00019350000000000001 1.3 AML other m 2023-08-26T18:51:44.24
IV.MRVN.HHE. ML:1.3 0.000035699999999999994 0.72 AML other m 2023-08-26T18:51:44.45
IV.MRVN.HHN. ML:1.2 0.0000283 1.34 AML other m 2023-08-26T18:51:45.69
IV.MCEL.HHN. ML:1.4 0.00006584999999999999 0.8 AML other m 2023-08-26T18:51:45.40
IV.MCEL.HHE. ML:1.3 0.0000524 0.74 AML other m 2023-08-26T18:51:46.42
IV.PALZ.HHE. ML:1.4 0.00007135 0.62 AML other m 2023-08-26T18:51:48.41
IV.PTRP.HHE. ML:1.3 0.000049250000000000004 1.12 AML other m 2023-08-26T18:51:48.07
IV.MGR.HHN. ML:1.2 0.0000279 0.48 AML other m 2023-08-26T18:51:49.45
IV.MGR.HHE. ML:1.2 0.00002465 0.48 AML other m 2023-08-26T18:51:50.16
IV.PALZ.HHN. ML:1.4 0.00006900000000000001 0.72 AML other m 2023-08-26T18:51:50.31
IV.PTRP.HHN. ML:1.3 0.000052000000000000004 0.54 AML other m 2023-08-26T18:51:53.79
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