Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 26-12-2023 and time 07:35:07 (UTC) in region 2 km W Picerno (PZ)

A magnitude ML 1.5 earthquake occured in region: 2 km W Picerno (PZ), on

  • 26-12-2023 07:35:07 (UTC)
  • 26-12-2023 08:35:07 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 40.6340, 15.6080 at 19 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
Picerno PZ 3 5985 5985
Baragiano PZ 5 2671 8656
Tito PZ 8 7332 15988
Balvano PZ 8 1830 17818
Savoia di Lucania PZ 9 1127 18945
Vietri di Potenza PZ 9 2832 21777
Satriano di Lucania PZ 10 2374 24151
Sant'Angelo Le Fratte PZ 11 1429 25580
Ruoti PZ 11 3579 29159
Ricigliano SA 11 1144 30303
Caggiano SA 12 2765 33068
Salvitelle SA 13 560 33628
Avigliano PZ 14 11577 45205
Romagnano al Monte SA 15 368 45573
Bella PZ 15 5171 50744
Polla SA 16 5279 56023
Pignola PZ 16 6962 62985
Potenza PZ 17 67122 130107
Pertosa SA 17 690 130797
Muro Lucano PZ 17 5497 136294
Sasso di Castalda PZ 17 835 137129
Brienza PZ 17 4078 141207
Auletta SA 18 2336 143543
San Gregorio Magno SA 18 4286 147829

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km W of Potenza (67122 inhabitants)
53 Km E of Battipaglia (50786 inhabitants)
72 Km E of Salerno (135261 inhabitants)
75 Km SW of Cerignola (58396 inhabitants)
75 Km E of Avellino (54857 inhabitants)
76 Km E of Cava de' Tirreni (53659 inhabitants)
83 Km W of Altamura (70396 inhabitants)
84 Km W of Matera (60436 inhabitants)
88 Km SW of Andria (100440 inhabitants)
89 Km SE of Benevento (60091 inhabitants)
92 Km E of Scafati (50787 inhabitants)
92 Km S of Foggia (151991 inhabitants)
95 Km SW of Barletta (94814 inhabitants)
95 Km E of Castellammare di Stabia (66466 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 1.5 2023-12-26
07:35:07		 40.6345 15.6082 19 2023-12-26
07:44:26		 Sala Sismica INGV-Roma 124273471
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-12-26 07:35:07 ± 0.07
Latitude 40.6345 ± 0.0036
Longitude 15.6082 ± 0.0036
Depth (km) 19 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 124273471

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 342
Semi-minor axis of confidence ellipse (meter) 142
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 158
Circular confidence region, given by single value of horizontal uncertainty (meter) 340.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 96
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.12
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.36243
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 12
Magnitude information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 124273471
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-12-26 07:44:26
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MRVN.HHZ. 2023-12-26T07:35:28.62 3.0 undecidable manual S -0.15 0
IV.MRVN.HHZ. 2023-12-26T07:35:20.10 3.0 undecidable manual P 1.02 0
IV.MIGL.HHZ. 2023-12-26T07:35:19.68 3.0 undecidable manual P 0.12 0
IV.ACER.HHZ. 2023-12-26T07:35:19.33 0.1 undecidable manual S 59 32.8449 111 -0.11 93
IV.CDRU.HHZ. 2023-12-26T07:35:18.71 0.3 undecidable manual S 238 30.2475 113 -0.08 73
IX.SRN3.HHZ.02 2023-12-26T07:35:16.59 0.3 undecidable manual S 218 20.7681 125 0.01 74
IV.MCEL.HHZ. 2023-12-26T07:35:15.16 0.3 undecidable manual P 154 38.0286 107 -0.12 70
IV.MRLC.HHZ. 2023-12-26T07:35:15.92 0.3 undecidable manual S 323 16.872 132 0.16 73
IV.PTRP.HHZ. 2023-12-26T07:35:15.98 0.3 undecidable manual P 108 40.2264 106 0.38 68
IX.TEGI.HNE.01 2023-12-26T07:35:14.01 0.6 undecidable manual P 192 28.8489 114 0.05 49
IX.SCL3.EHZ.02 2023-12-26T07:35:14.53 0.6 undecidable manual S 310 10.5783 147 -0.13 49
IX.STN3.EHZ.02 2023-12-26T07:35:14.89 0.6 undecidable manual S 162 12.1767 143 -0.02 50
IV.CDRU.HHZ. 2023-12-26T07:35:14.00 0.3 undecidable manual P 238 30.2475 113 -0.15 71
IV.ACER.HHZ. 2023-12-26T07:35:14.32 0.3 undecidable manual P 59 32.8449 111 -0.2 69
IV.MRLC.HHZ. 2023-12-26T07:35:12.42 0.3 undecidable manual P 323 16.872 132 0.02 75
IX.SRN3.HHZ.02 2023-12-26T07:35:12.90 0.1 undecidable manual P 218 20.7681 125 0.03 99
IV.PZUN.HHZ. 2023-12-26T07:35:12.42 0.3 undecidable manual P 86 16.7721 132 0.03 75
IX.PGN3.HHN.02 2023-12-26T07:35:12.55 0.1 undecidable manual P 113 17.3715 131 0.1 99
IX.VDP3.HNZ.01 2023-12-26T07:35:11.36 0.3 undecidable manual P 223 4.4955 165 -0.01 76
IX.SCL3.EHZ.02 2023-12-26T07:35:11.72 0.1 undecidable manual P 310 10.5783 147 -0.04 100
IX.STN3.EHZ.02 2023-12-26T07:35:11.90 0.3 undecidable manual P 162 12.1767 143 0 75
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IX.SCL3.EHE.02 ML:1.6 0.000263 0.24 AML other m 2023-12-26T07:35:15.70
IV.MRLC.HNE. ML:1.3 0.0001295 0.36 AML other m 2023-12-26T07:35:16.27
IX.SCL3.EHN.02 ML:1.8 0.000493 1.7 AML other m 2023-12-26T07:35:16.04
IX.SRN3.HHN.02 ML:2.0 0.0005415 0.24 AML other m 2023-12-26T07:35:17.23
IX.SRN3.HHE.02 ML:1.8 0.0003685 0.2 AML other m 2023-12-26T07:35:17.37
IV.MRLC.HHE. ML:1.1 0.00007725 0.42 AML other m 2023-12-26T07:35:17.64
IV.MRLC.HHN. ML:1.4 0.000144 0.32 AML other m 2023-12-26T07:35:17.55
IV.MRLC.HNN. ML:1.5 0.0002025 0.4 AML other m 2023-12-26T07:35:19.00
IV.CDRU.HHE. ML:1.5 0.000135 0.26 AML other m 2023-12-26T07:35:19.28
IV.CDRU.HHN. ML:1.3 0.0000781 0.74 AML other m 2023-12-26T07:35:19.31
IV.ACER.HHE. ML:1.6 0.000154 1.76 AML other m 2023-12-26T07:35:19.07
IV.ACER.HHN. ML:1.7 0.0001855 0.26 AML other m 2023-12-26T07:35:20.08
IV.MCEL.HHN. ML:1.0 0.00003315 0.56 AML other m 2023-12-26T07:35:21.63
IV.MCEL.HNE. ML:1.5 0.0001024 0.64 AML other m 2023-12-26T07:35:22.10
IV.MCEL.HHE. ML:1.0 0.00003135 1.02 AML other m 2023-12-26T07:35:23.66
IV.MCEL.HNN. ML:1.5 0.0001035 0.94 AML other m 2023-12-26T07:35:24.17
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