Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 12-09-2020 and time 12:23:48 (Italy) in region 4 km W Trivigno (PZ)

A magnitude ML 1.2 earthquake occured in region: 4 km W Trivigno (PZ), on

  • 12-09-2020 10:23:48 (UTC)
  • 12-09-2020 12:23:48 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.5640, 15.9440 at 15 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
Trivigno PZ 4 678 678
Brindisi Montagna PZ 5 908 1586
Anzi PZ 6 1696 3282
Albano di Lucania PZ 8 1435 4717
Castelmezzano PZ 10 800 5517
Campomaggiore PZ 11 811 6328
Pietrapertosa PZ 11 1032 7360
Vaglio Basilicata PZ 12 2047 9407
Laurenzana PZ 12 1797 11204
Calvello PZ 13 1948 13152
Abriola PZ 13 1531 14683
Pignola PZ 13 6962 21645
Potenza PZ 14 67122 88767
Tolve PZ 15 3251 92018
San Chirico Nuovo PZ 17 1368 93386
Tricarico MT 18 5388 98774
Cancellara PZ 19 1309 100083
Accettura MT 20 1856 101939

Municipalities with at least 50000 inhabitants

An earthquake occurred to
14 Km SE of Potenza (67122 inhabitants)
56 Km W of Matera (60436 inhabitants)
59 Km SW of Altamura (70396 inhabitants)
78 Km S of Cerignola (58396 inhabitants)
80 Km SW of Andria (100440 inhabitants)
81 Km E of Battipaglia (50786 inhabitants)
88 Km SW of Bitonto (55540 inhabitants)
89 Km SW of Trani (56217 inhabitants)
89 Km SW of Barletta (94814 inhabitants)
89 Km SW of Bisceglie (55422 inhabitants)
90 Km SW of Molfetta (59874 inhabitants)
100 Km SW of Bari (326344 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 2020-09-12
10:23:48		 40.5642 15.9443 15 2021-02-26
14:56:07		 Bollettino Sismico Italiano INGV 84968841
Reviewed
Rev100 		ML 1.1 2020-09-12
10:23:48		 40.5572 15.9493 10 2020-09-12
10:44:55		 Sala Sismica INGV-Roma 82842881
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-09-12 10:23:48 ± 0.2
Latitude 40.5642 ± 0.0081
Longitude 15.9443 ± 0.0083
Depth (km) 15 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 84968841

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 897
Semi-minor axis of confidence ellipse (meter) 445
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 348
Circular confidence region, given by single value of horizontal uncertainty (meter) 900.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 107
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.34
Epicentral distance of station closest to the epicenter (degree) 0.09893
Epicentral distance of station farthest from the epicenter (degree) 0.60614
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 13
Type of magnitude ML
Reference to an origin 84968841
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-11-23 17:51:21

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 13
Type of magnitude ML
Reference to an origin 82842881
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-09-12 10:44:55
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.AMUR.HHZ. 2020-09-12T10:24:09.03 1.0 undecidable manual S 55 67.2771 94 0.43 22
IX.SRN3.HHE.02 2020-09-12T10:24:02.23 0.6 undecidable manual S 258 41.9247 98 0.35 50
IV.SIRI.HHZ. 2020-09-12T10:24:02.12 0.6 undecidable manual S 189 42.9237 98 -0.01 53
IV.MIGL.HHZ. 2020-09-12T10:24:02.05 0.6 undecidable manual S 84 42.0246 98 0.13 51
IV.SCHR.EHZ. 2020-09-12T10:24:02.21 0.3 undecidable manual S 165 42.0246 98 0.32 74
IV.AMUR.HHZ. 2020-09-12T10:24:00.48 0.6 undecidable manual P 55 67.2771 94 0.52 44
IX.STN3.HHZ.02 2020-09-12T10:23:57.94 0.6 undecidable manual S 261 24.9528 107 0.49 50
IX.MRN3.HNZ.01 2020-09-12T10:23:57.34 0.6 undecidable manual S 230 23.754 109 0.2 53
IV.MIGL.HHZ. 2020-09-12T10:23:55.54 0.1 undecidable manual P 84 42.0246 98 -0.56 96
IV.SCHR.EHZ. 2020-09-12T10:23:55.75 0.1 undecidable manual P 165 42.0246 98 -0.34 100
IX.SRN3.HHE.02 2020-09-12T10:23:55.85 0.3 undecidable manual P 258 41.9247 98 -0.23 76
IV.SIRI.HHZ. 2020-09-12T10:23:55.86 0.3 undecidable manual P 189 42.9237 98 -0.37 74
IV.PTRP.HHZ. 2020-09-12T10:23:54.58 0.6 undecidable manual S 116 10.9779 136 0.37 52
IX.VGG3.HNZ.01 2020-09-12T10:23:54.45 0.3 undecidable manual P 188 25.5522 107 0.84 64
IX.PGN3.HHZ.02 2020-09-12T10:23:54.24 0.6 undecidable manual S 274 12.4764 131 -0.27 52
IV.SLCN.HHZ. 2020-09-12T10:23:54.39 0.3 undecidable manual P 234 32.6451 101 -0.28 76
IX.MRN3.HNZ.01 2020-09-12T10:23:53.12 0.3 undecidable manual P 230 23.754 109 -0.22 78
IX.STN3.HHZ.02 2020-09-12T10:23:53.85 0.3 undecidable manual P 261 24.9528 107 0.33 77
IV.PZUN.HNZ. 2020-09-12T10:23:52.72 0.6 undecidable manual P 308 14.6742 125 0.63 48
IX.PGN3.HHZ.02 2020-09-12T10:23:51.30 0.3 undecidable manual P 274 12.4764 131 -0.52 74
IV.PTRP.HHZ. 2020-09-12T10:23:51.36 0.3 undecidable manual P 116 10.9779 136 -0.29 80
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PTRP.HHE. ML:1.3 0.00019894055 0.3968 AML other m 2020-09-12T10:23:56.97
IV.PTRP.HHN. ML:1.4 0.0002033953 0.4608 AML other m 2020-09-12T10:23:56.99
IV.SIRI.HNN. ML:1.0 0.00003085326 0.1792 AML other m 2020-09-12T10:24:02.82
IV.SIRI.HHN. ML:1.1 0.00003505 0.6 AML other m 2020-09-12T10:24:02.53
IV.SIRI.HNE. ML:1.3 0.00005625455999999999 0.1984 AML other m 2020-09-12T10:24:02.90
IV.SIRI.HHE. ML:1.3 0.000062362675 0.1984 AML other m 2020-09-12T10:24:02.90
IV.SCHR.EHN. ML:0.9 0.00002331683 1.8016 AML other m 2020-09-12T10:24:03.90
IV.MIGL.HHE. ML:1.4 0.00007158298000000001 0.2368 AML other m 2020-09-12T10:24:03.12
IV.SCHR.EHE. ML:0.8 0.000022178459499999997 0.1792 AML other m 2020-09-12T10:24:03.39
IV.SLCN.HHE. ML:1.3 0.00007449446500000001 0.2624 AML other m 2020-09-12T10:24:04.81
IV.SLCN.HHN. ML:1.2 0.00006327481000000001 0.4032 AML other m 2020-09-12T10:24:04.78
IV.AMUR.HHE. ML:1.2 0.000026938324999999998 0.2048 AML other m 2020-09-12T10:24:12.28
IV.AMUR.HHN. ML:1.3 0.00003344999999999999 0.14 AML other m 2020-09-12T10:24:12.33
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