Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 04-04-2019 and time 16:00:00 (Italy) in region 3 km W Brienza (PZ)

A magnitude ML 1.6 earthquake occured in region: 3 km W Brienza (PZ), on

  • 04-04-2019 14:00:00 (UTC)
  • 04-04-2019 16:00:00 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.4880, 15.5900 at 11 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
Brienza PZ 4 4078 4078
Atena Lucana SA 5 2336 6414
Sant'Angelo Le Fratte PZ 7 1429 7843
Satriano di Lucania PZ 8 2374 10217
Sasso di Castalda PZ 8 835 11052
Polla SA 9 5279 16331
Sant'Arsenio SA 9 2815 19146
San Pietro al Tanagro SA 9 1695 20841
Sala Consilina SA 9 12664 33505
Savoia di Lucania PZ 10 1127 34632
Caggiano SA 12 2765 37397
San Rufo SA 12 1754 39151
Teggiano SA 13 7976 47127
Tito PZ 13 7332 54459
Pertosa SA 13 690 55149
Vietri di Potenza PZ 14 2832 57981
Marsico Nuovo PZ 14 4098 62079
Salvitelle SA 16 560 62639
Auletta SA 16 2336 64975
Sassano SA 16 5013 69988
Monte San Giacomo SA 17 1572 71560
Picerno PZ 17 5985 77545
Paterno PZ 17 3368 80913
Padula SA 17 5368 86281
Corleto Monforte SA 19 592 86873
Abriola PZ 19 1531 88404
Pignola PZ 19 6962 95366
Petina SA 19 1159 96525
Balvano PZ 19 1830 98355

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km SW of Potenza (67122 inhabitants)
53 Km E of Battipaglia (50786 inhabitants)
73 Km E of Salerno (135261 inhabitants)
78 Km E of Cava de' Tirreni (53659 inhabitants)
82 Km SE of Avellino (54857 inhabitants)
88 Km W of Matera (60436 inhabitants)
90 Km W of Altamura (70396 inhabitants)
90 Km S of Cerignola (58396 inhabitants)
94 Km E of Scafati (50787 inhabitants)
96 Km E of Castellammare di Stabia (66466 inhabitants)
99 Km SE of Benevento (60091 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 1.6 2019-04-04
14:00:00		 40.4883 15.5902 11 2019-08-22
08:25:11		 Bollettino Sismico Italiano INGV 70825901
Reviewed
Rev100 		ML 1.5 2019-04-04
14:00:00		 40.4917 15.59 11 2019-04-04
14:13:35		 Sala Sismica INGV-Roma 67252491
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-04-04 14:00:00 ± 0.08
Latitude 40.4883 ± 0.0045
Longitude 15.5902 ± 0.0071
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 70825901

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 566
Semi-minor axis of confidence ellipse (meter) 489
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 59
Circular confidence region, given by single value of horizontal uncertainty (meter) 570.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 74
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.40020
Number of stations at which the event was observed 26
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.4
Num. used stations 19
Type of magnitude ML
Reference to an origin 70825901
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-07-23 12:40:11

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 67252491
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-04-04 14:13:35
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HPAC.HHZ. 2019-04-04T14:01:59.56 3.0 undecidable manual Sg 14.53 0
IV.DGI.HHZ. 2019-04-04T14:01:58.62 3.0 undecidable manual Sn -4.83 0
IV.ROVR.HHZ. 2019-04-04T14:01:44.48 3.0 undecidable manual Pg 15.9 0
IV.CTI.HHZ. 2019-04-04T14:01:44.67 3.0 undecidable manual Pg 14.42 0
IV.MTGR.HHZ. 2019-04-04T14:01:36.02 3.0 undecidable manual Sn 0.35 0
ST.VARA.EHZ. 2019-04-04T14:01:34.59 3.0 undecidable manual Pn 3.02 0
OX.CIMO.HHZ. 2019-04-04T14:01:32.59 3.0 positive manual Pn 2.5 0
IV.MMUR.HNZ. 2019-04-04T14:01:30.93 3.0 undecidable manual Sn -4.4 0
IV.FDMO.HHZ. 2019-04-04T14:01:26.62 3.0 undecidable manual Sn 0.12 0
IV.RIBO.EHZ.01 2019-04-04T14:01:18.13 3.0 negative manual Pg 15.47 0
CR.ZAG.BHZ. 2019-04-04T14:01:16.62 3.0 undecidable manual Pn -0.5 0
IV.RMP.HHZ. 2019-04-04T14:01:13.44 3.0 undecidable manual Sn 0.83 0
IV.LNSS.HHZ. 2019-04-04T14:00:44.24 3.0 undecidable manual Pn 0.35 0
IV.TDS.HHZ. 2019-04-04T14:00:31.05 3.0 undecidable manual S -4.29 0
IT.VNF1.HGZ. 2019-04-04T14:00:25.91 3.0 undecidable manual P -0.08 0
IV.PTRJ.HNZ. 2019-04-04T14:00:19.11 3.0 undecidable manual P -2.02 0
IV.MGR.HHZ. 2019-04-04T14:00:13.06 0.6 undecidable manual S 185 39.0276 50 -0.11 49
IV.SIRI.HHZ. 2019-04-04T14:00:13.88 0.6 undecidable manual S 145 41.3253 50 0.11 49
IV.CMPR.HHZ. 2019-04-04T14:00:11.11 0.6 undecidable manual S 232 30.747 50 0.16 49
IV.MRLC.HHZ. 2019-04-04T14:00:11.93 1.0 undecidable manual S 344 30.9468 50 0.92 19
IV.CDRU.HHZ. 2019-04-04T14:00:09.31 0.3 undecidable manual S 270 24.0537 50 0.13 75
IV.MCEL.HHZ. 2019-04-04T14:00:09.65 0.3 undecidable manual S 135 25.4523 50 0.1 75
IV.ACER.HHE. 2019-04-04T14:00:08.68 0.6 undecidable manual P 42 44.4222 50 0.14 48
IV.PTRP.HHE. 2019-04-04T14:00:08.06 0.3 undecidable manual P 85 39.9267 50 0.22 71
IV.MGR.HHZ. 2019-04-04T14:00:07.45 0.3 undecidable manual P 185 39.0276 50 -0.25 71
IV.SIRI.HHZ. 2019-04-04T14:00:07.74 0.3 undecidable manual P 145 41.3253 50 -0.31 70
IV.SLCN.HHZ. 2019-04-04T14:00:06.36 0.3 undecidable manual S 162 11.4774 133 0.66 67
IV.CMPR.HHZ. 2019-04-04T14:00:06.29 0.3 undecidable manual P 232 30.747 50 -0.13 74
IV.MRLC.HHZ. 2019-04-04T14:00:06.35 0.1 undecidable manual P 344 30.9468 50 -0.1 99
IV.CDRU.HHZ. 2019-04-04T14:00:05.37 0.3 undecidable manual P 270 24.0537 50 -0.03 77
IV.MCEL.HHZ. 2019-04-04T14:00:05.49 0.3 undecidable manual P 135 25.4523 50 -0.12 75
IX.STN3.HNZ.02 2019-04-04T14:00:04.63 0.3 undecidable manual S 48 6.993 147 -0.06 78
IV.SLCN.HHZ. 2019-04-04T14:00:03.16 0.1 undecidable manual P 162 11.4774 133 -0.23 100
IX.STN3.HNZ.02 2019-04-04T14:00:02.62 0.3 undecidable manual P 48 6.993 147 -0.18 76
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IX.STN3.HHE.02 ML:3.9 0.123128695 0.128 AML other m 2019-04-04T14:00:04.68
IX.STN3.HHN.02 ML:3.7 0.07291897499999998 0.0832 AML other m 2019-04-04T14:00:05.12
IV.SLCN.HNE. ML:2.1 0.0013450085000000001 0.1984 AML other m 2019-04-04T14:00:06.50
IV.SLCN.HHN. ML:1.8 0.000772 0.48 AML other m 2019-04-04T14:00:06.93
IV.SLCN.HNN. ML:1.7 0.0005852461 1.7952 AML other m 2019-04-04T14:00:07.93
IV.CDRU.HHN. ML:1.2 0.00009090000000000001 0.3 AML other m 2019-04-04T14:00:09.50
IV.MCEL.HNE. ML:1.5 0.00018099999999999998 0.54 AML other m 2019-04-04T14:00:09.94
IV.CDRU.HHE. ML:1.5 0.00017449999999999999 0.18 AML other m 2019-04-04T14:00:11.12
IV.CMPR.HHE. ML:1.2 0.0000689805 0.1792 AML other m 2019-04-04T14:00:12.25
IV.MGR.HHE. ML:1.4 0.00008935 0.54 AML other m 2019-04-04T14:00:13.50
IV.MCEL.HHN. ML:1.6 0.0002115 0.44 AML other m 2019-04-04T14:00:13.77
IV.MCEL.HNN. ML:1.6 0.00021100000000000003 0.42 AML other m 2019-04-04T14:00:13.77
IV.SIRI.HHN. ML:1.8 0.0001957701 0.1984 AML other m 2019-04-04T14:00:14.36
IV.SIRI.HHE. ML:1.7 0.00016050065 0.9216 AML other m 2019-04-04T14:00:14.27
IV.SIRI.HNE. ML:1.7 0.000175 0.56 AML other m 2019-04-04T14:00:14.62
IV.MCEL.HHE. ML:1.5 0.000185 1.18 AML other m 2019-04-04T14:00:14.04
IV.SIRI.HNN. ML:1.8 0.0002 0.96 AML other m 2019-04-04T14:00:14.36
IV.MGR.HHN. ML:1.6 0.000155 1.48 AML other m 2019-04-04T14:00:16.11
IV.CMPR.HHN. ML:1.3 0.00009305 1.58 AML other m 2019-04-04T14:00:17.88
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