Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 31-12-2019 and time 20:12:09 (Italy) in region 1 km NE Pignola (PZ)

A magnitude ML 1.2 earthquake occured in region: 1 km NE Pignola (PZ), on

  • 31-12-2019 19:12:09 (UTC)
  • 31-12-2019 20:12:09 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 40.5860, 15.7960 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.

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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
Pignola PZ 2 6962 6962
Potenza PZ 6 67122 74084
Abriola PZ 9 1531 75615
Tito PZ 10 7332 82947
Brindisi Montagna PZ 13 908 83855
Calvello PZ 13 1948 85803
Anzi PZ 13 1696 87499
Vaglio Basilicata PZ 14 2047 89546
Satriano di Lucania PZ 14 2374 91920
Picerno PZ 15 5985 97905
Sasso di Castalda PZ 15 835 98740
Trivigno PZ 16 678 99418
Avigliano PZ 17 11577 110995
Ruoti PZ 18 3579 114574
Brienza PZ 19 4078 118652
Marsico Nuovo PZ 19 4098 122750
Cancellara PZ 20 1309 124059
Pietragalla PZ 20 4160 128219

Municipalities with at least 50000 inhabitants

An earthquake occurred to
6 Km S of Potenza (67122 inhabitants)
68 Km W of Matera (60436 inhabitants)
69 Km E of Battipaglia (50786 inhabitants)
69 Km W of Altamura (70396 inhabitants)
76 Km S of Cerignola (58396 inhabitants)
83 Km SW of Andria (100440 inhabitants)
88 Km E of Salerno (135261 inhabitants)
91 Km SW of Barletta (94814 inhabitants)
92 Km E of Avellino (54857 inhabitants)
93 Km E of Cava de' Tirreni (53659 inhabitants)
93 Km SW of Trani (56217 inhabitants)
94 Km SW of Bisceglie (55422 inhabitants)
96 Km SW of Bitonto (55540 inhabitants)
97 Km SW of Molfetta (59874 inhabitants)
100 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
Bulletin
Rev1000 		ML 1.2 2019-12-31
19:12:09		 40.5857 15.7963 21 2020-02-28
16:42:17		 Bollettino Sismico Italiano INGV 75241281
Reviewed
Rev100 		ML 1.2 2019-12-31
19:12:09		 40.5893 15.7912 22 2019-12-31
19:21:03		 Sala Sismica INGV-Roma 75145031
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-12-31 19:12:09 ± 0.12
Latitude 40.5857 ± 0.0063
Longitude 15.7963 ± 0.0083
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 75241281

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 680
Semi-minor axis of confidence ellipse (meter) 566
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 320
Circular confidence region, given by single value of horizontal uncertainty (meter) 680.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 112
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.06025
Epicentral distance of station farthest from the epicenter (degree) 0.56298
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 75145031
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-12-31 19:21:03

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 13
Type of magnitude ML
Reference to an origin 75241281
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-01-24 10:06:07
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SIRI.HHE. 2019-12-31T19:12:24.17 0.6 undecidable manual S 172 45.2214 106 0.16 50
IV.CDRU.HHE. 2019-12-31T19:12:23.69 0.6 undecidable manual S 256 42.8238 107 0.28 48
IV.MRVN.HHE. 2019-12-31T19:12:20.39 1.0 undecidable manual P 32 62.493 101 0.08 25
IV.MCEL.HHZ. 2019-12-31T19:12:19.77 0.6 undecidable manual S 179 28.9488 117 -0.19 51
IV.ACER.HHZ. 2019-12-31T19:12:19.30 0.6 undecidable manual S 29 25.4523 121 0.14 52
IV.PTRP.HHZ. 2019-12-31T19:12:19.53 1.0 undecidable manual S 108 23.4543 124 0.83 21
IV.SLCN.HHZ. 2019-12-31T19:12:19.52 0.6 undecidable manual S 212 25.752 121 0.31 49
IV.MGR.HHE. 2019-12-31T19:12:18.97 1.0 undecidable manual P 203 53.8017 103 -0.03 25
IV.SIRI.HHE. 2019-12-31T19:12:17.35 0.3 undecidable manual P 172 45.2214 106 -0.37 71
IV.CDRU.HHE. 2019-12-31T19:12:17.35 0.6 undecidable manual P 256 42.8238 107 -0.02 52
IV.PALZ.HHE. 2019-12-31T19:12:17.22 0.3 undecidable manual P 19 42.0246 108 -0.04 76
IX.STN3.HHZ.02 2019-12-31T19:12:16.57 0.6 undecidable manual S 243 13.6752 141 -0.2 53
IV.MCEL.HHZ. 2019-12-31T19:12:15.10 0.1 undecidable manual P 179 28.9488 117 -0.28 100
IV.PZUN.HHZ. 2019-12-31T19:12:15.64 0.6 undecidable manual S 8 6.6933 159 -0.21 53
IV.ACER.HHZ. 2019-12-31T19:12:15.02 0.3 undecidable manual P 29 25.4523 121 0.11 79
IV.PTRP.HHZ. 2019-12-31T19:12:14.91 0.3 undecidable manual P 108 23.4543 124 0.25 77
IV.SLCN.HHZ. 2019-12-31T19:12:14.98 0.3 undecidable manual P 212 25.752 121 0.03 79
IX.STN3.HHZ.02 2019-12-31T19:12:13.79 0.3 undecidable manual P 243 13.6752 141 0.25 77
IV.PZUN.HHZ. 2019-12-31T19:12:12.76 0.3 undecidable manual P 8 6.6933 159 -0.25 78
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PZUN.HHN. ML:1.2 0.00011349345 0.1792 AML other m 2019-12-31T19:12:15.94
IV.PZUN.HNN. ML:1.1 0.00010663829999999998 0.1792 AML other m 2019-12-31T19:12:15.86
IV.PZUN.HHE. ML:1.3 0.00015078365 1.744 AML other m 2019-12-31T19:12:15.91
IV.PZUN.HNE. ML:1.3 0.00014202835 1.7696 AML other m 2019-12-31T19:12:15.05
IV.SLCN.HNE. ML:1.2 0.000077223045 0.7456 AML other m 2019-12-31T19:12:19.44
IV.SLCN.HHN. ML:0.9 0.0000400982 0.2816 AML other m 2019-12-31T19:12:19.85
IV.ACER.HNE. ML:1.3 0.000098512405 0.1568 AML other m 2019-12-31T19:12:20.49
IV.ACER.HHN. ML:1.1 0.000055988421499999996 0.704 AML other m 2019-12-31T19:12:20.51
IV.MCEL.HHE. ML:0.6 0.000016181244 0.2048 AML other m 2019-12-31T19:12:20.55
IV.ACER.HHE. ML:0.9 0.000042300850000000003 0.32 AML other m 2019-12-31T19:12:21.47
IV.ACER.HNN. ML:1.6 0.00019813730000000002 0.5888 AML other m 2019-12-31T19:12:22.68
IV.SLCN.HHE. ML:1.0 0.000044316375000000006 0.2176 AML other m 2019-12-31T19:12:22.61
IV.SLCN.HNN. ML:1.7 0.00021886374999999998 1.024 AML other m 2019-12-31T19:12:23.17
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