Earthquake with magnitude of ML 1.0 on date 20-06-2023 and time 01:21:34 (Italy) in region 3 km SW Potenza (PZ)

A magnitude ML 1.0 earthquake occured in region: 3 km SW Potenza (PZ), on

  • 19-06-2023 23:21:34 (UTC)
  • 20-06-2023 01:21:34 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.6230, 15.7770 at 13 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Potenza PZ 3 67122 67122
Pignola PZ 5 6962 74084
Tito PZ 9 7332 81416
Picerno PZ 12 5985 87401
Avigliano PZ 13 11577 98978
Abriola PZ 13 1531 100509
Vaglio Basilicata PZ 13 2047 102556
Ruoti PZ 14 3579 106135
Brindisi Montagna PZ 14 908 107043
Satriano di Lucania PZ 15 2374 109417
Baragiano PZ 17 2671 112088
Pietragalla PZ 17 4160 116248
Sasso di Castalda PZ 17 835 117083
Anzi PZ 17 1696 118779
Calvello PZ 17 1948 120727
Cancellara PZ 18 1309 122036
Trivigno PZ 19 678 122714
Savoia di Lucania PZ 20 1127 123841

Municipalities with at least 50000 inhabitants

An earthquake occurred to
3 Km SW of Potenza (67122 inhabitants)
67 Km E of Battipaglia (50786 inhabitants)
69 Km W of Altamura (70396 inhabitants)
70 Km W of Matera (60436 inhabitants)
72 Km S of Cerignola (58396 inhabitants)
80 Km SW of Andria (100440 inhabitants)
86 Km E of Salerno (135261 inhabitants)
88 Km SW of Barletta (94814 inhabitants)
89 Km E of Avellino (54857 inhabitants)
90 Km SW of Trani (56217 inhabitants)
91 Km E of Cava de' Tirreni (53659 inhabitants)
92 Km SW of Bisceglie (55422 inhabitants)
94 Km SW of Bitonto (55540 inhabitants)
95 Km SW of Molfetta (59874 inhabitants)
96 Km S of Foggia (151991 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 1.0 2023-06-19
23:21:34
40.623 15.7768 13 2023-06-19
23:29:30
Sala Sismica INGV-Roma 118573001
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-06-19 23:21:34 ± 0.24
Latitude 40.6230 ± 0.0117
Longitude 15.7768 ± 0.0130
Depth (km) 13 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 118573001

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1317
Semi-minor axis of confidence ellipse (meter) 760
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 137
Circular confidence region, given by single value of horizontal uncertainty (meter) 1320.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 192
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.36
Epicentral distance of station closest to the epicenter (degree) 0.05306
Epicentral distance of station farthest from the epicenter (degree) 0.50452
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.4
Num. used stations 4
Type of magnitude ML
Reference to an origin 118573001
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-06-19 23:29:30
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MIGL.HHZ. 2023-06-19T23:21:51.80 0.1 undecidable manual S 92 55.9995 93 0.39 87
IV.MCEL.HNZ. 2023-06-19T23:21:45.50 0.1 undecidable manual S 176 33.1446 95 0.17 94
IV.SLCN.HHZ. 2023-06-19T23:21:44.40 0.3 undecidable manual S 205 28.5492 97 0.29 69
IV.MIGL.HHZ. 2023-06-19T23:21:43.25 0.1 undecidable manual P 92 55.9995 93 -0.8 74
IV.ACER.HHZ. 2023-06-19T23:21:42.80 0.1 undecidable manual S 37 22.8549 101 0.18 96
IV.MCEL.HNZ. 2023-06-19T23:21:40.32 0.1 undecidable manual P 176 33.1446 95 -0.22 93
IV.SLCN.HHZ. 2023-06-19T23:21:39.81 0.1 undecidable manual P 205 28.5492 97 -0.03 98
IV.ACER.HHZ. 2023-06-19T23:21:39.06 0.3 positive manual P 37 22.8549 101 0.09 73
IX.PGN3.HHZ.02 2023-06-19T23:21:38.60 0.1 undecidable manual S 163 5.8941 149 -0.17 100
IX.PGN3.HHZ.02 2023-06-19T23:21:36.84 0.1 undecidable manual P 163 5.8941 149 0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IX.PGN3.HHE.02 ML:1.3 0.00023799999999999998 0.14 AML other m 2023-06-19T23:21:39.18
IX.PGN3.HHN.02 ML:1.4 0.00032900000000000003 0.38 AML other m 2023-06-19T23:21:39.13
IV.ACER.HHN. ML:0.5 0.000019450000000000002 0.44 AML other m 2023-06-19T23:21:40.45
IV.ACER.HHE. ML:0.7 0.000028749999999999997 0.24 AML other m 2023-06-19T23:21:43.63
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