Earthquake with magnitude of ML 1.1 on date 23-02-2023 and time 08:04:27 (Italy) in region 1 km W Pietrapertosa (PZ)

A magnitude ML 1.1 earthquake occured in region: 1 km W Pietrapertosa (PZ), on

  • 23-02-2023 07:04:27 (UTC)
  • 23-02-2023 08:04:27 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 40.5150, 16.0560 at 21 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Pietrapertosa PZ 1 1032 1032
Castelmezzano PZ 2 800 1832
Campomaggiore PZ 6 811 2643
Albano di Lucania PZ 8 1435 4078
Accettura MT 9 1856 5934
Laurenzana PZ 9 1797 7731
Trivigno PZ 9 678 8409
Anzi PZ 11 1696 10105
Oliveto Lucano MT 11 450 10555
Tricarico MT 14 5388 15943
Calciano MT 14 777 16720
Brindisi Montagna PZ 14 908 17628
Corleto Perticara PZ 15 2511 20139
Garaguso MT 15 1073 21212
Gorgoglione MT 15 989 22201
Cirigliano MT 17 375 22576
San Mauro Forte MT 17 1552 24128
Guardia Perticara PZ 17 552 24680
Calvello PZ 18 1948 26628
San Chirico Nuovo PZ 18 1368 27996
Stigliano MT 19 4361 32357
Tolve PZ 20 3251 35608

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km SE of Potenza (67122 inhabitants)
49 Km W of Matera (60436 inhabitants)
55 Km SW of Altamura (70396 inhabitants)
82 Km S of Andria (100440 inhabitants)
85 Km S of Cerignola (58396 inhabitants)
85 Km SW of Bitonto (55540 inhabitants)
89 Km SW of Bisceglie (55422 inhabitants)
90 Km SW of Molfetta (59874 inhabitants)
90 Km SW of Trani (56217 inhabitants)
91 Km E of Battipaglia (50786 inhabitants)
92 Km S of Barletta (94814 inhabitants)
96 Km SW of Bari (326344 inhabitants)
100 Km W of Taranto (201100 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
Bulletin
Rev1000
ML 1.1 2023-02-23
07:04:27
40.5152 16.0557 21 2024-03-01
17:18:17
Bollettino Sismico Italiano INGV 123088491
Reviewed
Rev100
ML 1.3 2023-02-23
07:04:27
40.5183 16.0608 16 2023-02-23
07:19:41
Sala Sismica INGV-Roma 114725851
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-23 07:04:27 ± 0.13
Latitude 40.5152 ± 0.0054
Longitude 16.0557 ± 0.0047
Depth (km) 21 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 123088491

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 555
Semi-minor axis of confidence ellipse (meter) 189
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 355
Circular confidence region, given by single value of horizontal uncertainty (meter) 550.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 130
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
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 20
Number of stations from which data was used for origin computation 6
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.4
Num. used stations 8
Type of magnitude ML
Reference to an origin 114725851
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-02-23 07:19:41

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 123088491
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-11-13 17:08:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TRIF.CHZ. 2023-02-23T07:06:21.45 3.0 undecidable manual Sn -5.91 0
GU.RNCA.HHZ. 2023-02-23T07:06:17.39 3.0 undecidable manual Pg 15.69 0
IV.ARVD.HHZ. 2023-02-23T07:06:14.94 3.0 undecidable manual Sg 8.01 0
OX.CLUD.HHZ. 2023-02-23T07:06:00.75 3.0 positive manual Pn 0.73 0
RD.PGF.BHZ. 2023-02-23T07:05:59.34 3.0 undecidable manual Pg 10.1 0
IV.ATCC.EHZ. 2023-02-23T07:05:55.93 3.0 undecidable manual Sn -8.56 0
SL.KOGS.BHZ. 2023-02-23T07:05:54.27 3.0 undecidable manual Pn -1.11 0
IV.MMO1.EHZ. 2023-02-23T07:05:48.50 3.0 undecidable manual Sn -2.64 0
IV.NRCA.HHZ. 2023-02-23T07:05:46.23 3.0 undecidable manual Sn -6.17 0
IV.ERC.EHZ. 2023-02-23T07:05:35.06 3.0 undecidable manual Pg 10.55 0
IV.FDMO.HHZ. 2023-02-23T07:05:20.21 3.0 positive manual Pg 2.43 0
OT.OT15.EHZ. 2023-02-23T07:05:00.48 3.0 undecidable manual S -5.29 0
OT.OT15.EHZ. 2023-02-23T07:04:47.58 3.0 undecidable manual P -1.72 0
IV.SGRT.HHZ. 2023-02-23T07:04:46.50 3.0 negative manual P -4.14 0
IV.SIRI.HNZ. 2023-02-23T07:04:41.48 0.6 undecidable manual S 203 40.2264 108 0.24 47
IV.ACER.HHZ. 2023-02-23T07:04:39.35 0.6 undecidable manual S 343 31.5462 115 0.26 48
IV.MCEL.HHZ. 2023-02-23T07:04:39.05 0.6 undecidable manual S 226 30.0477 116 0.33 47
IV.MIGL.HHE. 2023-02-23T07:04:39.95 0.3 undecidable manual S 73 33.9438 113 0.28 71
IX.PGN3.HNE.02 2023-02-23T07:04:37.13 0.3 undecidable manual S 286 22.755 125 0.1 75
IV.SIRI.HNZ. 2023-02-23T07:04:35.38 0.3 undecidable manual P 203 40.2264 108 -0.1 73
IV.MIGL.HHE. 2023-02-23T07:04:34.46 0.1 undecidable manual P 73 33.9438 113 -0.12 97
IV.ACER.HHZ. 2023-02-23T07:04:34.14 0.3 undecidable manual P 343 31.5462 115 -0.1 74
IV.MCEL.HHZ. 2023-02-23T07:04:33.98 0.1 undecidable manual P 226 30.0477 116 -0.05 100
IV.PTRP.HHE. 2023-02-23T07:04:33.93 0.3 undecidable manual S 34 0.7992 177 -0.07 78
IX.PGN3.HNE.02 2023-02-23T07:04:32.94 0.3 undecidable manual P 286 22.755 125 -0.11 75
IV.PTRP.HHE. 2023-02-23T07:04:31.00 0.3 undecidable manual P 34 0.7992 177 -0.3 74
IV.MCRV.HHZ. 2023-02-23T07:04:28.75 3.0 undecidable manual P -8.32 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MCEL.HHN. ML:0.9 0.000027799999999999998 1.56 AML other m 2023-02-23T07:04:39.16
IV.MCEL.HHE. ML:0.8 0.00002265 0.18 AML other m 2023-02-23T07:04:39.25
IV.ACER.HHE. ML:1.1 0.0000459 0.32 AML other m 2023-02-23T07:04:39.65
IV.ACER.HHN. ML:1.0 0.0000356 0.62 AML other m 2023-02-23T07:04:39.81
OT.OT15.EHN. ML:1.7 0.0000557 0.06 AML other m 2023-02-23T07:05:03.92
OT.OT15.EHE. ML:1.6 0.0000402 0.06 AML other m 2023-02-23T07:05:04.96
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