Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 12-02-2020 and time 12:32:58 (Italy) in region 4 km NW Anzi (PZ)

A magnitude ML 1.5 earthquake occured in region: 4 km NW Anzi (PZ), on

  • 12-02-2020 11:32:58 (UTC)
  • 12-02-2020 12:32:58 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 40.5410, 15.8970 at 23 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 4 1696 1696
Abriola PZ 8 1531 3227
Calvello PZ 8 1948 5175
Brindisi Montagna PZ 9 908 6083
Trivigno PZ 9 678 6761
Pignola PZ 10 6962 13723
Laurenzana PZ 11 1797 15520
Albano di Lucania PZ 13 1435 16955
Castelmezzano PZ 13 800 17755
Potenza PZ 14 67122 84877
Vaglio Basilicata PZ 14 2047 86924
Pietrapertosa PZ 14 1032 87956
Campomaggiore PZ 15 811 88767
Tito PZ 19 7332 96099
Marsico Nuovo PZ 19 4098 100197
Marsicovetere PZ 19 5546 105743
Sasso di Castalda PZ 19 835 106578
Tolve PZ 19 3251 109829

Municipalities with at least 50000 inhabitants

An earthquake occurred to
14 Km SE of Potenza (67122 inhabitants)
61 Km W of Matera (60436 inhabitants)
64 Km SW of Altamura (70396 inhabitants)
78 Km E of Battipaglia (50786 inhabitants)
81 Km S of Cerignola (58396 inhabitants)
83 Km SW of Andria (100440 inhabitants)
92 Km SW of Bitonto (55540 inhabitants)
92 Km SW of Barletta (94814 inhabitants)
93 Km SW of Trani (56217 inhabitants)
93 Km SW of Bisceglie (55422 inhabitants)
95 Km SW of Molfetta (59874 inhabitants)
97 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 1.5 2020-02-12
11:32:58		 40.5408 15.8972 23 2020-07-18
21:08:24		 Bollettino Sismico Italiano INGV 77075441
Reviewed
Rev100 		ML 1.5 2020-02-12
11:32:59		 40.537 15.8958 23 2020-02-12
11:42:33		 Sala Sismica INGV-Roma 76460631
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-02-12 11:32:58 ± 0.16
Latitude 40.5408 ± 0.0045
Longitude 15.8972 ± 0.0059
Depth (km) 23 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 77075441

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 483
Semi-minor axis of confidence ellipse (meter) 317
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 112
Circular confidence region, given by single value of horizontal uncertainty (meter) 480.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 80
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.41729
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 76460631
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-02-12 11:42:33

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 5
Type of magnitude ML
Reference to an origin 77075441
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-03-06 14:00:42
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
HL.VLS.HHZ. 2020-02-12T11:34:51.99 3.0 undecidable manual Sn -1.36 0
IV.PE3.EHZ. 2020-02-12T11:34:49.85 3.0 undecidable manual Sn 3.06 0
IV.MMO1.EHZ. 2020-02-12T11:34:23.77 3.0 undecidable manual Sn 1.42 0
GU.CARD.HHZ. 2020-02-12T11:34:22.12 3.0 negative manual Pn 5.02 0
AC.VLO.HHZ. 2020-02-12T11:34:22.53 3.0 undecidable manual Sg 8.03 0
GU.POPM.HHZ. 2020-02-12T11:34:22.44 3.0 undecidable manual Pn 7.27 0
CR.STON.BHZ. 2020-02-12T11:34:14.66 3.0 undecidable manual Sn 1.2 0
IV.VVLD.HHZ. 2020-02-12T11:34:01.15 3.0 undecidable manual Sn 0.11 0
IV.SGG.HNZ. 2020-02-12T11:33:47.34 3.0 undecidable manual Sg 4.44 0
IV.MRB1.HHZ. 2020-02-12T11:33:30.12 3.0 undecidable manual S -0.23 0
IX.MNT3.HHZ.02 2020-02-12T11:33:17.36 3.0 negative manual P 3.12 0
IV.MIGL.HHZ. 2020-02-12T11:33:14.73 0.3 undecidable manual S 81 46.3203 109 0.39 68
IV.SIRI.HHZ. 2020-02-12T11:33:12.55 0.6 undecidable manual S 184 39.8268 112 -0.17 48
IV.MCEL.HHZ. 2020-02-12T11:33:09.30 0.3 undecidable manual S 199 25.2525 126 0.01 75
IX.VGG3.HNE.01 2020-02-12T11:33:09.09 0.6 undecidable manual S 179 22.755 129 0.34 47
IV.ACER.HHZ. 2020-02-12T11:33:09.92 0.3 undecidable manual S 8 27.5502 123 0.13 74
IX.STN3.HHZ.02 2020-02-12T11:33:08.48 0.3 undecidable manual S 267 20.7681 132 0.13 74
IV.PZUN.HNZ. 2020-02-12T11:33:07.35 0.6 undecidable manual S 327 13.875 145 0.22 49
IV.MIGL.HHZ. 2020-02-12T11:33:07.87 0.3 undecidable manual P 81 46.3203 109 0.03 73
IV.PTRP.HHZ. 2020-02-12T11:33:06.99 0.3 undecidable manual S 99 13.9749 144 -0.16 75
IV.SIRI.HHZ. 2020-02-12T11:33:06.76 0.1 undecidable manual P 184 39.8268 112 -0.15 96
IV.ACER.HHZ. 2020-02-12T11:33:05.22 0.3 undecidable manual P 8 27.5502 123 0 75
IV.SLCN.HHZ. 2020-02-12T11:33:05.36 0.3 undecidable manual P 233 27.8499 123 0.09 74
IV.MCEL.HHZ. 2020-02-12T11:33:04.86 0.1 undecidable manual P 199 25.2525 126 -0.07 100
IX.VGG3.HNE.01 2020-02-12T11:33:04.93 0.6 undecidable manual P 179 22.755 129 0.31 48
IX.STN3.HHZ.02 2020-02-12T11:33:04.52 0.3 undecidable manual P 267 20.7681 132 0.13 74
IV.PZUN.HNZ. 2020-02-12T11:33:03.46 0.3 undecidable manual P 327 13.875 145 -0.22 74
IV.PTRP.HHZ. 2020-02-12T11:33:03.40 0.3 undecidable manual P 99 13.9749 144 -0.29 73
IX.PGN3.HHZ. 2020-02-12T11:33:03.02 0.1 undecidable manual P 292 9.1797 155 -0.29 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ACER.HHE. ML:1.7 0.000188 0.6 AML other m 2020-02-12T11:33:10.58
IV.ACER.HHN. ML:1.6 0.0001495 0.5 AML other m 2020-02-12T11:33:10.24
IV.MCEL.HHE. ML:1.2 0.00007545 0.72 AML other m 2020-02-12T11:33:10.13
IV.SIRI.HHN. ML:1.4 0.00008415 0.7 AML other m 2020-02-12T11:33:13.51
IV.SIRI.HHE. ML:1.5 0.00009470000000000001 0.48 AML other m 2020-02-12T11:33:14.42
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