Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 12-02-2020 and time 17:47:43 (Italy) in region 5 km NW Anzi (PZ)

A magnitude ML 1.1 earthquake occured in region: 5 km NW Anzi (PZ), on

  • 12-02-2020 16:47:43 (UTC)
  • 12-02-2020 17:47:43 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 40.5450, 15.8810 at 17 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
Anzi PZ 5 1696 1696
Abriola PZ 7 1531 3227
Calvello PZ 8 1948 5175
Pignola PZ 9 6962 12137
Brindisi Montagna PZ 9 908 13045
Trivigno PZ 10 678 13723
Laurenzana PZ 12 1797 15520
Potenza PZ 12 67122 82642
Albano di Lucania PZ 14 1435 84077
Vaglio Basilicata PZ 14 2047 86124
Castelmezzano PZ 14 800 86924
Pietrapertosa PZ 16 1032 87956
Campomaggiore PZ 17 811 88767
Tito PZ 18 7332 96099
Sasso di Castalda PZ 18 835 96934
Marsico Nuovo PZ 19 4098 101032
Marsicovetere PZ 19 5546 106578
Tolve PZ 20 3251 109829

Municipalities with at least 50000 inhabitants

An earthquake occurred to
12 Km SE of Potenza (67122 inhabitants)
62 Km W of Matera (60436 inhabitants)
65 Km SW of Altamura (70396 inhabitants)
76 Km E of Battipaglia (50786 inhabitants)
80 Km S of Cerignola (58396 inhabitants)
84 Km SW of Andria (100440 inhabitants)
93 Km SW of Barletta (94814 inhabitants)
93 Km SW of Trani (56217 inhabitants)
93 Km SW of Bitonto (55540 inhabitants)
94 Km SW of Bisceglie (55422 inhabitants)
95 Km SW of Molfetta (59874 inhabitants)
96 Km E of Salerno (135261 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 2020-02-12
16:47:43		 40.5447 15.881 17 2020-07-18
21:08:26		 Bollettino Sismico Italiano INGV 77235791
Reviewed
Rev100 		ML 1.2 2020-02-12
16:47:43		 40.5475 15.8582 18 2020-02-12
17:00:16		 Sala Sismica INGV-Roma 76466561
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-02-12 16:47:43 ± 0.14
Latitude 40.5447 ± 0.0045
Longitude 15.8810 ± 0.0095
Depth (km) 17 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 77235791

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 663
Semi-minor axis of confidence ellipse (meter) 593
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 289
Circular confidence region, given by single value of horizontal uncertainty (meter) 660.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 76
Number of associated phases, regardless of their use for origin computation 32
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.65650
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.1
Num. used stations 8
Type of magnitude ML
Reference to an origin 77235791
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-03-13 11:11:03

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 76466561
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-02-12 17:00:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CAPR.HNZ. 2020-02-12T16:49:21.95 3.0 undecidable manual Pn 1.6 0
CR.ZAG.BHZ. 2020-02-12T16:49:17.30 3.0 undecidable manual Pg 17.360001 0
IV.CROCE.HNZ. 2020-02-12T16:49:17.16 3.0 undecidable manual Sn -7.32 0
IV.ENIC.HHZ. 2020-02-12T16:49:11.23 3.0 undecidable manual Sg 8.13 0
IV.FIR.HHZ. 2020-02-12T16:49:03.33 3.0 undecidable manual Pg 10.1 0
IV.ARVD.HHZ. 2020-02-12T16:48:47.14 3.0 positive manual Pg 8.35 0
IV.IFIL.HHZ. 2020-02-12T16:48:45.90 3.0 undecidable manual Sn 0.69 0
IV.VVLD.HHZ. 2020-02-12T16:48:44.43 3.0 undecidable manual Sn -1.62 0
IT.VNF1.HGZ. 2020-02-12T16:48:36.36 3.0 undecidable manual Sg 2.13 0
IV.SPS2.HHZ. 2020-02-12T16:48:20.78 3.0 undecidable manual Sn 0.22 0
IT.VNF1.HGZ. 2020-02-12T16:48:09.42 3.0 negative manual Pn -2.11 0
IV.COLB.HHZ. 2020-02-12T16:48:02.50 3.0 undecidable manual Pn -4.62 0
OT.OT14.EHZ. 2020-02-12T16:48:02.63 3.0 positive manual Pn -3.45 0
IV.MIGL.HHZ. 2020-02-12T16:47:59.68 0.6 undecidable manual S 82 47.619 99 0.41 44
IV.PALZ.HHZ. 2020-02-12T16:47:58.52 0.6 undecidable manual S 9 44.8218 100 0 48
IV.SIRI.HHZ. 2020-02-12T16:47:57.15 0.3 undecidable manual S 182 40.2264 102 -0.17 70
IV.AMUR.HHN. 2020-02-12T16:47:57.02 0.6 undecidable manual P 56 72.8715 96 0.36 42
IV.SLCN.HHZ. 2020-02-12T16:47:54.01 0.3 undecidable manual S 231 27.0507 110 0.07 73
IV.MCEL.HHZ. 2020-02-12T16:47:53.82 0.3 undecidable manual S 195 25.2525 112 0.33 70
IV.ACER.HHZ. 2020-02-12T16:47:53.88 0.6 undecidable manual S 11 27.3504 110 -0.13 48
IV.PALZ.HHZ. 2020-02-12T16:47:52.13 0.3 undecidable manual P 9 44.8218 100 -0.24 69
IV.MIGL.HHZ. 2020-02-12T16:47:52.56 0.1 undecidable manual P 82 47.619 99 -0.24 91
IV.PTRP.HHZ. 2020-02-12T16:47:51.43 0.3 undecidable manual S 100 15.3735 129 0.22 74
IV.SIRI.HHZ. 2020-02-12T16:47:51.22 0.1 undecidable manual P 182 40.2264 102 -0.45 88
IV.SLCN.HHZ. 2020-02-12T16:47:49.87 0.3 undecidable manual P 231 27.0507 110 0.15 72
IX.STN3.HHZ.02 2020-02-12T16:47:49.06 0.3 undecidable manual P 265 19.3695 121 0.4 69
IV.MCEL.HHZ. 2020-02-12T16:47:49.33 0.3 undecidable manual P 195 25.2525 112 -0.13 72
IX.PGN3.HHZ.02 2020-02-12T16:47:49.74 0.3 undecidable manual S 293 7.6812 151 -0.14 74
IV.ACER.HHZ. 2020-02-12T16:47:49.76 0.3 undecidable manual P 11 27.3504 110 0 74
IX.VGG3.HNZ.01 2020-02-12T16:47:49.44 0.6 undecidable manual P 176 23.1546 115 0.27 47
IV.PTRP.HHZ. 2020-02-12T16:47:48.08 0.3 undecidable manual P 100 15.3735 129 -0.07 74
IX.PGN3.HHZ.02 2020-02-12T16:47:47.27 0.1 undecidable manual P 293 7.6812 151 -0.11 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MCEL.HNE. ML:1.0 0.00004685707 0.1408 AML other m 2020-02-12T16:47:50.50
IV.MCEL.HHE. ML:1.0 0.00004528242 0.1408 AML other m 2020-02-12T16:47:50.57
IV.MCEL.HNN. ML:0.9 0.00004033863 0.1024 AML other m 2020-02-12T16:47:54.57
IV.MCEL.HHN. ML:1.0 0.000044087665 0.128 AML other m 2020-02-12T16:47:54.57
IV.ACER.HHN. ML:1.2 0.00007861146500000001 0.3456 AML other m 2020-02-12T16:47:54.91
IV.ACER.HHE. ML:1.2 0.00007629748 0.1792 AML other m 2020-02-12T16:47:55.61
IV.SLCN.HHN. ML:1.1 0.00006250760500000001 0.3072 AML other m 2020-02-12T16:47:55.82
IV.SLCN.HHE. ML:1.2 0.000067805805 0.2304 AML other m 2020-02-12T16:47:56.86
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