Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 03-07-2020 and time 19:47:25 (UTC) in region 2 km W Sant'Angelo dei Lombardi (AV)

A magnitude ML 1.6 earthquake occured in region: 2 km W Sant'Angelo dei Lombardi (AV), on

  • 03-07-2020 19:47:25 (UTC)
  • 03-07-2020 21:47:25 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.9300, 15.1570 at 12 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
Sant'Angelo dei Lombardi AV 2 4250 4250
Rocca San Felice AV 3 851 5101
Torella dei Lombardi AV 4 2144 7245
Guardia Lombardi AV 5 1718 8963
Lioni AV 6 6201 15164
Villamaina AV 7 995 16159
Morra De Sanctis AV 7 1297 17456
Nusco AV 8 4203 21659
Castelfranci AV 10 2041 23700
Frigento AV 10 3780 27480
Sturno AV 11 3080 30560
Gesualdo AV 11 3516 34076
Paternopoli AV 11 2384 36460
Carife AV 12 1408 37868
Teora AV 12 1537 39405
Cassano Irpino AV 13 982 40387
Bagnoli Irpino AV 13 3217 43604
Montemarano AV 13 2851 46455
Castel Baronia AV 13 1129 47584
Andretta AV 14 1927 49511
Caposele AV 14 3483 52994
Castelvetere sul Calore AV 14 1615 54609
Vallata AV 14 2714 57323
Trevico AV 15 993 58316
San Nicola Baronia AV 15 771 59087
Fontanarosa AV 15 3170 62257
Montella AV 15 7780 70037
Luogosano AV 15 1187 71224
San Sossio Baronia AV 16 1643 72867
San Mango sul Calore AV 16 1185 74052
Flumeri AV 16 2963 77015
Sant'Angelo all'Esca AV 16 801 77816
Vallesaccarda AV 17 1386 79202
Calabritto AV 17 2391 81593
Conza della Campania AV 17 1373 82966
Grottaminarda AV 18 8137 91103
Cairano AV 18 326 91429
Castelnuovo di Conza SA 19 619 92048
Lapio AV 19 1572 93620
Mirabella Eclano AV 19 7684 101304
Taurasi AV 19 2377 103681
Santomenna SA 19 443 104124

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km E of Avellino (54857 inhabitants)
39 Km SE of Benevento (60091 inhabitants)
39 Km NE of Battipaglia (50786 inhabitants)
44 Km NE of Salerno (135261 inhabitants)
46 Km NE of Cava de' Tirreni (53659 inhabitants)
57 Km E of Scafati (50787 inhabitants)
63 Km E of Castellammare di Stabia (66466 inhabitants)
63 Km NW of Potenza (67122 inhabitants)
66 Km E of Acerra (59573 inhabitants)
68 Km SW of Foggia (151991 inhabitants)
68 Km E of Torre del Greco (86275 inhabitants)
69 Km E of Portici (55274 inhabitants)
70 Km E of Ercolano (53709 inhabitants)
71 Km E of Caserta (76326 inhabitants)
71 Km E of Afragola (65057 inhabitants)
73 Km E of Casoria (77642 inhabitants)
73 Km SW of Cerignola (58396 inhabitants)
77 Km E of Napoli (974074 inhabitants)
80 Km E of Aversa (53047 inhabitants)
80 Km E of Giugliano in Campania (122974 inhabitants)
81 Km E of Marano di Napoli (59874 inhabitants)
86 Km S of San Severo (53905 inhabitants)
90 Km E of Pozzuoli (81661 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 2020-07-03
19:47:25		 40.9305 15.1573 12 2020-11-19
12:37:07		 Bollettino Sismico Italiano INGV 84682881
Reviewed
Rev100 		ML 1.6 2020-07-03
19:47:25		 40.9253 15.1638 12 2020-07-03
19:51:05		 Sala Sismica INGV-Roma 80745651
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-07-03 19:47:25 ± 0.07
Latitude 40.9305 ± 0.0036
Longitude 15.1573 ± 0.0048
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 84682881

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 371
Semi-minor axis of confidence ellipse (meter) 281
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 114
Circular confidence region, given by single value of horizontal uncertainty (meter) 370.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 59
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 27
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) 0.01709
Epicentral distance of station farthest from the epicenter (degree) 0.49912
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 19
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 80745651
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-07-03 19:51:05

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 84682881
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-11-16 03:31:49
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IX.SRN3.HNE.02 2020-07-03T19:47:35.00 0.6 undecidable manual P 153 55.4001 91 -0.18 44
IX.COL3.HHE.02 2020-07-03T19:47:35.92 0.1 undecidable manual S 152 30.6471 93 0.06 95
IV.CDRU.HHZ. 2020-07-03T19:47:34.04 0.3 undecidable manual P 166 50.4162 91 -0.38 64
IX.RDM3.HHZ.02 2020-07-03T19:47:32.37 0.6 undecidable manual P 101 32.3454 93 0.74 39
IX.MNT3.HHZ.02 2020-07-03T19:47:32.48 0.6 undecidable manual S 231 16.3725 103 0.41 45
IV.CAFE.HHZ. 2020-07-03T19:47:31.29 0.6 undecidable manual S 32 12.6762 115 0.14 48
IX.COL3.HHE.02 2020-07-03T19:47:31.25 0.6 undecidable manual P 152 30.6471 93 -0.12 47
IV.MCRV.HHZ. 2020-07-03T19:47:31.94 0.3 undecidable manual S 177 16.4724 103 -0.15 72
IV.MRLC.HHZ. 2020-07-03T19:47:31.85 0.1 undecidable manual P 125 33.8439 93 -0.01 95
IV.MTMR.HNZ. 2020-07-03T19:47:31.34 0.6 undecidable manual S 264 13.0758 114 0.11 48
IV.SGTA.HHZ. 2020-07-03T19:47:31.22 0.3 undecidable manual P 37 28.5492 93 0.17 70
IX.NSC3.HHZ.02 2020-07-03T19:47:30.36 0.6 undecidable manual S 198 9.7791 127 -0.11 49
IX.CLT3.HHZ.02 2020-07-03T19:47:30.22 0.1 negative manual P 98 20.9679 97 0.35 91
IV.MRB1.HHZ. 2020-07-03T19:47:30.64 1.0 undecidable manual P 323 26.5512 94 -0.09 24
IX.MNT3.HHZ.02 2020-07-03T19:47:29.23 0.1 positive manual P 231 16.3725 103 0.05 97
IX.RSF3.HNE.02 2020-07-03T19:47:29.15 0.6 undecidable manual S 23 4.0959 156 -0.38 46
IX.SNR3.HHE.02 2020-07-03T19:47:29.95 0.1 undecidable manual P 172 21.7671 96 -0.05 96
IX.SSB3.HNE.02 2020-07-03T19:47:29.13 0.1 positive manual P 20 17.4714 101 -0.21 93
IV.MCRV.HHZ. 2020-07-03T19:47:29.06 0.1 positive manual P 177 16.4724 103 -0.12 96
IV.SNAL.HHZ. 2020-07-03T19:47:29.83 0.6 undecidable manual S 97 4.3956 154 0.26 47
IV.CAFE.HHZ. 2020-07-03T19:47:28.52 0.1 positive manual P 32 12.6762 115 -0.12 96
IX.NSC3.HHZ.02 2020-07-03T19:47:28.38 0.1 negative manual P 198 9.7791 127 0.13 96
IV.MTMR.HNZ. 2020-07-03T19:47:28.71 0.1 undecidable manual P 264 13.0758 114 0.02 98
IV.SNAL.HHZ. 2020-07-03T19:47:27.74 0.1 negative manual P 97 4.3956 154 0.01 100
IX.RSF3.HNE.02 2020-07-03T19:47:27.46 0.1 negative manual P 23 4.0959 156 -0.25 95
IX.LIO3.HHZ.02 2020-07-03T19:47:27.70 0.1 negative manual P 152 4.1958 155 -0.01 100
IX.SALI.HNE.01 2020-07-03T19:47:27.71 0.1 negative manual P 92 1.8981 168 0.1 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SNAL.HHE. ML:1.6 0.000597 0.34 AML other m 2020-07-03T19:47:30.17
IV.SNAL.HHN. ML:1.4 0.00035650000000000005 0.84 AML other m 2020-07-03T19:47:30.33
IV.CAFE.HHN. ML:1.3 0.00020150000000000002 0.5 AML other m 2020-07-03T19:47:31.45
IV.CAFE.HHE. ML:1.5 0.0003235 0.56 AML other m 2020-07-03T19:47:31.45
IV.MCRV.HHN. ML:1.9 0.0006360000000000001 0.12 AML other m 2020-07-03T19:47:32.41
IX.MNT3.HHN.02 ML:1.9 0.0006554999999999999 0.5 AML other m 2020-07-03T19:47:32.84
IX.MNT3.HHE.02 ML:1.6 0.0003185 0.1 AML other m 2020-07-03T19:47:32.64
IV.MCRV.HHE. ML:1.7 0.0004305 1.34 AML other m 2020-07-03T19:47:32.09
IX.CLT3.HHN.02 ML:1.6 0.0002895 0.22 AML other m 2020-07-03T19:47:35.55
IX.CLT3.HHE.02 ML:1.4 0.00016 0.18 AML other m 2020-07-03T19:47:36.83
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