Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 03-07-2020 and time 20:36:08 (Italy) in region 2 km SW Rocca San Felice (AV)

A magnitude ML 1.6 earthquake occured in region: 2 km SW Rocca San Felice (AV), on

  • 03-07-2020 18:36:08 (UTC)
  • 03-07-2020 20:36:08 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.9370, 15.1540 at 13 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
Rocca San Felice AV 2 851 851
Sant'Angelo dei Lombardi AV 2 4250 5101
Torella dei Lombardi AV 3 2144 7245
Guardia Lombardi AV 5 1718 8963
Villamaina AV 7 995 9958
Lioni AV 7 6201 16159
Morra De Sanctis AV 8 1297 17456
Nusco AV 8 4203 21659
Castelfranci AV 9 2041 23700
Frigento AV 10 3780 27480
Sturno AV 10 3080 30560
Gesualdo AV 11 3516 34076
Paternopoli AV 11 2384 36460
Carife AV 11 1408 37868
Teora AV 13 1537 39405
Castel Baronia AV 13 1129 40534
Cassano Irpino AV 13 982 41516
Montemarano AV 13 2851 44367
Bagnoli Irpino AV 13 3217 47584
Vallata AV 14 2714 50298
Castelvetere sul Calore AV 14 1615 51913
Andretta AV 14 1927 53840
Trevico AV 14 993 54833
San Nicola Baronia AV 14 771 55604
Fontanarosa AV 15 3170 58774
Luogosano AV 15 1187 59961
Caposele AV 15 3483 63444
San Sossio Baronia AV 15 1643 65087
Flumeri AV 15 2963 68050
San Mango sul Calore AV 15 1185 69235
Montella AV 16 7780 77015
Sant'Angelo all'Esca AV 16 801 77816
Vallesaccarda AV 17 1386 79202
Grottaminarda AV 17 8137 87339
Conza della Campania AV 18 1373 88712
Calabritto AV 18 2391 91103
Mirabella Eclano AV 18 7684 98787
Lapio AV 18 1572 100359
Taurasi AV 18 2377 102736
Cairano AV 19 326 103062
Castelnuovo di Conza SA 19 619 103681
Chiusano di San Domenico AV 20 2277 105958

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km E of Avellino (54857 inhabitants)
38 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)
64 Km NW of Potenza (67122 inhabitants)
66 Km E of Acerra (59573 inhabitants)
67 Km SW of Foggia (151991 inhabitants)
68 Km E of Portici (55274 inhabitants)
68 Km E of Torre del Greco (86275 inhabitants)
69 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
18:36:08		 40.9368 15.1537 13 2020-11-19
12:37:07		 Bollettino Sismico Italiano INGV 84763101
Reviewed
Rev100 		ML 1.6 2020-07-03
18:36:08		 40.9232 15.1908 14 2020-07-03
18:45:55		 Sala Sismica INGV-Roma 80744311
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-07-03 18:36:08 ± 0.09
Latitude 40.9368 ± 0.0036
Longitude 15.1537 ± 0.0060
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 84763101

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 452
Semi-minor axis of confidence ellipse (meter) 198
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 297
Circular confidence region, given by single value of horizontal uncertainty (meter) 450.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 121
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.02068
Epicentral distance of station farthest from the epicenter (degree) 0.25451
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:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 84763101
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-11-16 03:09:18

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 80744311
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-07-03 18:45:55
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IX.MNT3.HHZ. 2020-07-03T18:36:15.65 0.3 undecidable manual S 228 16.5723 110 0.24 72
IX.AND3.HNE.02 2020-07-03T18:36:15.40 0.6 undecidable manual S 93 15.0738 114 0.36 46
IV.MCRV.HHZ. 2020-07-03T18:36:15.29 0.6 undecidable manual S 176 17.1717 109 -0.27 47
IX.SSB3.HNZ.02 2020-07-03T18:36:15.59 0.6 undecidable manual S 22 16.9719 110 0.09 48
IV.MTMR.HNN. 2020-07-03T18:36:14.59 0.6 undecidable manual S 261 12.876 121 0.09 50
IX.NSC3.HHZ.02 2020-07-03T18:36:14.32 0.6 undecidable manual S 195 10.3785 130 0.35 47
IV.SGTA.HHZ. 2020-07-03T18:36:14.49 0.1 undecidable manual P 39 28.2495 97 0.29 91
IV.CAFE.HHZ. 2020-07-03T18:36:14.42 0.3 undecidable manual S 34 12.2766 123 0.04 74
IX.SALI.HNZ. 2020-07-03T18:36:13.18 0.6 undecidable manual S 109 2.2977 167 0.34 47
IX.CLT3.HHE. 2020-07-03T18:36:13.48 0.1 undecidable manual P 100 21.3675 102 0.31 92
IV.MCRV.HHZ. 2020-07-03T18:36:12.28 0.6 undecidable manual P 176 17.1717 109 -0.26 47
IV.SNAL.HHZ. 2020-07-03T18:36:12.88 0.6 undecidable manual S 105 4.7952 154 -0.18 49
IX.SSB3.HNZ.02 2020-07-03T18:36:12.28 0.1 undecidable manual P 22 16.9719 110 -0.23 95
IX.MNT3.HHZ. 2020-07-03T18:36:12.53 0.1 undecidable manual P 228 16.5723 110 0.08 99
IX.LIO3.HNZ. 2020-07-03T18:36:12.93 0.6 undecidable manual S 153 4.995 154 -0.15 49
IX.AND3.HNE.02 2020-07-03T18:36:12.03 0.3 undecidable manual P 93 15.0738 114 -0.21 72
IV.CAFE.HHZ. 2020-07-03T18:36:11.66 0.1 undecidable manual P 34 12.2766 123 -0.2 96
IV.MTMR.HNN. 2020-07-03T18:36:11.92 0.3 undecidable manual P 261 12.876 121 -0.01 74
IX.NSC3.HHZ.02 2020-07-03T18:36:11.68 0.1 undecidable manual P 195 10.3785 130 0.06 100
IX.LIO3.HNZ. 2020-07-03T18:36:10.91 0.1 undecidable manual P 153 4.995 154 -0.2 97
IV.SNAL.HHZ. 2020-07-03T18:36:10.87 0.1 undecidable manual P 105 4.7952 154 -0.23 97
IX.SALI.HNZ. 2020-07-03T18:36:10.88 0.1 undecidable manual P 109 2.2977 167 -0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SNAL.HNE. ML:1.8 0.000839 0.42 AML other m 2020-07-03T18:36:13.47
IV.SNAL.HHE. ML:1.9 0.0009575 0.42 AML other m 2020-07-03T18:36:13.47
IV.SNAL.HHN. ML:1.7 0.000662 0.9 AML other m 2020-07-03T18:36:13.54
IV.SNAL.HNN. ML:1.7 0.0006435 0.88 AML other m 2020-07-03T18:36:13.55
IV.CAFE.HHE. ML:1.4 0.00022999999999999998 0.54 AML other m 2020-07-03T18:36:14.93
IV.CAFE.HHN. ML:1.2 0.000153 0.56 AML other m 2020-07-03T18:36:15.43
IV.MCRV.HHN. ML:1.9 0.0006425 0.12 AML other m 2020-07-03T18:36:15.75
IX.MNT3.HHN.02 ML:1.8 0.00045650000000000004 0.58 AML other m 2020-07-03T18:36:15.83
IX.MNT3.HHE.02 ML:1.7 0.00040300000000000004 0.08 AML other m 2020-07-03T18:36:15.91
IV.MCRV.HHE. ML:1.8 0.0004465 0.62 AML other m 2020-07-03T18:36:16.36
IV.SGTA.HHE. ML:1.1 0.00005985 0.3 AML other m 2020-07-03T18:36:21.39
IV.SGTA.HHN. ML:1.0 0.000044149999999999996 1.16 AML other m 2020-07-03T18:36:21.94
IV.VULT.HHE. ML:1.2 0.00006225 1.14 AML other m 2020-07-03T18:36:21.94
IV.VULT.HHN. ML:1.3 0.00007650000000000002 0.82 AML other m 2020-07-03T18:36:24.00
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