Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 15-02-2023 and time 00:26:26 (UTC) in region 5 km W Abriola (PZ)

A magnitude ML 1.2 earthquake occured in region: 5 km W Abriola (PZ), on

  • 15-02-2023 00:26:26 (UTC)
  • 15-02-2023 01:26:26 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 40.5260, 15.7600 at 16 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Abriola PZ 5 1531 1531
Pignola PZ 6 6962 8493
Sasso di Castalda PZ 8 835 9328
Calvello PZ 9 1948 11276
Tito PZ 9 7332 18608
Satriano di Lucania PZ 11 2374 20982
Marsico Nuovo PZ 12 4098 25080
Brienza PZ 12 4078 29158
Potenza PZ 13 67122 96280
Anzi PZ 14 1696 97976
Picerno PZ 16 5985 103961
Paterno PZ 17 3368 107329
Sant'Angelo Le Fratte PZ 17 1429 108758
Marsicovetere PZ 18 5546 114304
Brindisi Montagna PZ 18 908 115212
Savoia di Lucania PZ 18 1127 116339
Atena Lucana SA 19 2336 118675
Laurenzana PZ 20 1797 120472
Sala Consilina SA 20 12664 133136

Municipalities with at least 50000 inhabitants

An earthquake occurred to
13 Km S of Potenza (67122 inhabitants)
66 Km E of Battipaglia (50786 inhabitants)
73 Km W of Matera (60436 inhabitants)
75 Km W of Altamura (70396 inhabitants)
83 Km S of Cerignola (58396 inhabitants)
86 Km E of Salerno (135261 inhabitants)
90 Km SW of Andria (100440 inhabitants)
91 Km E of Cava de' Tirreni (53659 inhabitants)
92 Km E of Avellino (54857 inhabitants)
99 Km SW of Barletta (94814 inhabitants)
100 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
Bulletin
Rev1000 		ML 1.2 2023-02-15
00:26:26		 40.5262 15.7597 16 2024-03-01
17:17:58		 Bollettino Sismico Italiano INGV 115368501
Reviewed
Rev100 		ML 1.9 2023-02-15
00:26:26		 40.5282 15.6843 18 2023-02-15
00:34:58		 Sala Sismica INGV-Roma 114445551
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-15 00:26:26 ± 0.11
Latitude 40.5262 ± 0.0045
Longitude 15.7597 ± 0.0083
Depth (km) 16 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 115368501

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 670
Semi-minor axis of confidence ellipse (meter) 226
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 279
Circular confidence region, given by single value of horizontal uncertainty (meter) 670.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 136
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.05396
Epicentral distance of station farthest from the epicenter (degree) 0.41908
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.7
Num. used stations 4
Type of magnitude ML
Reference to an origin 114445551
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-02-15 00:34:58

ML:1.2

Field Value
Value 1.2
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 115368501
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-09-13 13:09:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CDRU.HNZ. 2023-02-15T00:26:39.89 0.6 undecidable manual S 264 38.628 100 0.02 47
IV.MCEL.HHZ. 2023-02-15T00:26:36.06 0.6 undecidable manual S 171 22.6551 112 0.3 46
IV.MGR.HHZ. 2023-02-15T00:26:35.61 0.3 undecidable manual P 202 46.5201 98 -0.02 71
IV.SIRI.HNE. 2023-02-15T00:26:34.07 0.6 undecidable manual P 167 39.2274 100 -0.46 44
IV.CDRU.HNZ. 2023-02-15T00:26:34.33 0.1 undecidable manual P 264 38.628 100 -0.1 93
IX.MRN3.HNE. 2023-02-15T00:26:33.14 0.6 undecidable manual S 193 11.4774 136 -0.14 49
IX.STN3.EHZ.02 2023-02-15T00:26:33.03 0.6 undecidable manual S 273 9.0798 144 0.15 50
IV.MTSN.HNN. 2023-02-15T00:26:33.11 0.3 undecidable manual P 181 28.8489 106 0.14 70
IV.ACER.HHZ. 2023-02-15T00:26:33.46 1.0 undecidable manual P 28 32.745 103 -0.09 24
IX.PGN3.HHZ.02 2023-02-15T00:26:32.30 0.3 undecidable manual S 31 5.994 155 -0.15 73
IV.MCEL.HHZ. 2023-02-15T00:26:31.98 0.3 undecidable manual P 171 22.6551 112 -0.08 73
IV.PZUN.HNZ. 2023-02-15T00:26:31.20 0.3 undecidable manual P 17 13.875 130 0.31 71
IX.MRN3.HNE. 2023-02-15T00:26:30.60 0.1 undecidable manual P 193 11.4774 136 -0.02 100
IX.STN3.EHZ.02 2023-02-15T00:26:30.53 0.3 undecidable manual P 273 9.0798 144 0.14 74
IX.PGN3.HHZ.02 2023-02-15T00:26:30.09 0.1 positive manual P 31 5.994 155 -0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IX.PGN3.HHN.02 ML:1.3 0.00019250000000000002 0.16 AML other m 2023-02-15T00:26:32.52
IX.PGN3.HHE.02 ML:1.1 0.0001306 0.16 AML other m 2023-02-15T00:26:32.66
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