Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 27-10-2022 and time 03:56:44 (Italy) in region 5 km NW Anzi (PZ)

A magnitude ML 1.0 earthquake occured in region: 5 km NW Anzi (PZ), on

  • 27-10-2022 01:56:44 (UTC)
  • 27-10-2022 03:56:44 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.5410, 15.8740 at 11 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
Anzi PZ 5 1696 1696
Abriola PZ 6 1531 3227
Calvello PZ 8 1948 5175
Pignola PZ 8 6962 12137
Brindisi Montagna PZ 10 908 13045
Trivigno PZ 11 678 13723
Laurenzana PZ 12 1797 15520
Potenza PZ 13 67122 82642
Vaglio Basilicata PZ 15 2047 84689
Albano di Lucania PZ 15 1435 86124
Castelmezzano PZ 15 800 86924
Pietrapertosa PZ 16 1032 87956
Campomaggiore PZ 17 811 88767
Tito PZ 17 7332 96099
Sasso di Castalda PZ 18 835 96934
Marsico Nuovo PZ 18 4098 101032
Marsicovetere PZ 19 5546 106578

Municipalities with at least 50000 inhabitants

An earthquake occurred to
13 Km SE of Potenza (67122 inhabitants)
63 Km W of Matera (60436 inhabitants)
66 Km SW of Altamura (70396 inhabitants)
76 Km E of Battipaglia (50786 inhabitants)
81 Km S of Cerignola (58396 inhabitants)
84 Km SW of Andria (100440 inhabitants)
93 Km SW of Barletta (94814 inhabitants)
94 Km SW of Trani (56217 inhabitants)
94 Km SW of Bitonto (55540 inhabitants)
94 Km SW of Bisceglie (55422 inhabitants)
95 Km E of Salerno (135261 inhabitants)
96 Km SW of Molfetta (59874 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 2022-10-27
01:56:44		 40.5407 15.8743 11 2022-10-27
02:24:07		 Sala Sismica INGV-Roma 111217771
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-10-27 01:56:44 ± 0.12
Latitude 40.5407 ± 0.0081
Longitude 15.8743 ± 0.0095
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 111217771

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 813
Semi-minor axis of confidence ellipse (meter) 753
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 351
Circular confidence region, given by single value of horizontal uncertainty (meter) 810.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 86
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.06655
Epicentral distance of station farthest from the epicenter (degree) 0.35793
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 111217771
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-10-27 02:24:07
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SIRI.HHZ. 2022-10-27T01:56:57.70 0.6 undecidable manual S 181 39.7269 50 0.38 45
IV.ACER.HHZ. 2022-10-27T01:56:54.59 0.6 undecidable manual S 12 27.9498 50 0.44 45
IV.MCEL.HHZ. 2022-10-27T01:56:53.48 0.6 undecidable manual S 194 24.6531 50 0.19 48
IX.STN3.EHZ.02 2022-10-27T01:56:52.17 0.6 undecidable manual S 267 18.87 50 0.44 46
IV.PTRP.HHZ. 2022-10-27T01:56:51.16 0.3 undecidable manual S 98 15.873 50 0.22 70
IV.SIRI.HHZ. 2022-10-27T01:56:51.51 0.6 undecidable manual P 181 39.7269 50 -0.28 45
IV.ACER.HHZ. 2022-10-27T01:56:49.54 0.6 negative manual P 12 27.9498 50 -0.42 45
IX.PGN3.HHZ.02 2022-10-27T01:56:49.13 0.3 undecidable manual S 298 7.3815 146 0.27 72
IV.MCEL.HHZ. 2022-10-27T01:56:49.32 0.3 undecidable manual P 194 24.6531 50 -0.15 72
IV.PTRP.HHZ. 2022-10-27T01:56:47.83 0.6 positive manual P 98 15.873 50 -0.28 48
IX.STN3.EHZ.02 2022-10-27T01:56:47.91 0.6 undecidable manual P 267 18.87 50 -0.65 42
IX.PGN3.HHZ.02 2022-10-27T01:56:46.78 0.1 positive manual P 298 7.3815 146 -0.12 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IX.PGN3.HHN.02 ML:1.0 0.0001515 0.2 AML other m 2022-10-27T01:56:49.44
IX.PGN3.HHE.02 ML:1.0 0.00013550000000000001 0.36 AML other m 2022-10-27T01:56:49.56
IV.PTRP.HHE. ML:0.9 0.00006764999999999999 0.5 AML other m 2022-10-27T01:56:53.34
IV.MCEL.HHE. ML:0.8 0.00004115 0.22 AML other m 2022-10-27T01:56:54.36
IX.STN3.EHN.02 ML:2.6 0.003065 0.34 AML other m 2022-10-27T01:56:54.80
IV.ACER.HHE. ML:1.0 0.000053599999999999995 0.28 AML other m 2022-10-27T01:56:54.80
IX.STN3.EHE.02 ML:2.6 0.0030499999999999998 1.4 AML other m 2022-10-27T01:56:54.07
IV.PTRP.HHN. ML:1.1 0.00009995 0.42 AML other m 2022-10-27T01:56:54.82
IV.ACER.HHN. ML:0.9 0.00004385 0.44 AML other m 2022-10-27T01:56:57.26
IV.SIRI.HHN. ML:0.9 0.0000318 0.18 AML other m 2022-10-27T01:56:58.91
IV.SIRI.HHE. ML:0.9 0.000026450000000000003 0.9 AML other m 2022-10-27T01:56:58.91
IV.MCEL.HHN. ML:0.7 0.0000305 1.16 AML other m 2022-10-27T01:56:59.20
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