Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 03-07-2020 and time 18:18:55 (Italy) in region 2 km SW Rocca San Felice (AV)

A magnitude ML 1.8 earthquake occured in region: 2 km SW Rocca San Felice (AV), on

  • 03-07-2020 16:18:55 (UTC)
  • 03-07-2020 18:18:55 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.9400, 15.1470 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
Torella dei Lombardi AV 3 2144 2995
Sant'Angelo dei Lombardi AV 3 4250 7245
Guardia Lombardi AV 5 1718 8963
Villamaina AV 6 995 9958
Lioni AV 8 6201 16159
Nusco AV 8 4203 20362
Morra De Sanctis AV 8 1297 21659
Castelfranci AV 9 2041 23700
Frigento AV 9 3780 27480
Sturno AV 10 3080 30560
Gesualdo AV 10 3516 34076
Paternopoli AV 10 2384 36460
Carife AV 11 1408 37868
Castel Baronia AV 13 1129 38997
Montemarano AV 13 2851 41848
Cassano Irpino AV 13 982 42830
Teora AV 13 1537 44367
Bagnoli Irpino AV 14 3217 47584
Castelvetere sul Calore AV 14 1615 49199
Fontanarosa AV 14 3170 52369
San Nicola Baronia AV 14 771 53140
Vallata AV 14 2714 55854
Trevico AV 14 993 56847
Luogosano AV 14 1187 58034
Andretta AV 15 1927 59961
San Mango sul Calore AV 15 1185 61146
Sant'Angelo all'Esca AV 15 801 61947
Flumeri AV 15 2963 64910
San Sossio Baronia AV 15 1643 66553
Montella AV 15 7780 74333
Caposele AV 16 3483 77816
Grottaminarda AV 16 8137 85953
Vallesaccarda AV 17 1386 87339
Mirabella Eclano AV 17 7684 95023
Lapio AV 17 1572 96595
Taurasi AV 18 2377 98972
Conza della Campania AV 18 1373 100345
Calabritto AV 18 2391 102736
Chiusano di San Domenico AV 19 2277 105013
Cairano AV 19 326 105339
Melito Irpino AV 20 1920 107259
Castelnuovo di Conza SA 20 619 107878

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km E of Avellino (54857 inhabitants)
37 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)
56 Km E of Scafati (50787 inhabitants)
62 Km E of Castellammare di Stabia (66466 inhabitants)
65 Km NW of Potenza (67122 inhabitants)
65 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)
70 Km E of Caserta (76326 inhabitants)
70 Km E of Afragola (65057 inhabitants)
72 Km E of Casoria (77642 inhabitants)
73 Km SW of Cerignola (58396 inhabitants)
76 Km E of Napoli (974074 inhabitants)
79 Km E of Aversa (53047 inhabitants)
79 Km E of Giugliano in Campania (122974 inhabitants)
80 Km E of Marano di Napoli (59874 inhabitants)
85 Km S of San Severo (53905 inhabitants)
89 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 1.8 2020-07-03
16:18:55		 40.9405 15.1472 13 2020-11-19
12:37:07		 Bollettino Sismico Italiano INGV 84762911
Reviewed
Rev100 		ML 1.8 2020-07-03
16:18:55		 40.9367 15.1532 13 2020-07-03
19:30:20		 Sala Sismica INGV-Roma 80745341
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-07-03 16:18:55 ± 0.09
Latitude 40.9405 ± 0.0036
Longitude 15.1472 ± 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 84762911

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 485
Semi-minor axis of confidence ellipse (meter) 234
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 110
Circular confidence region, given by single value of horizontal uncertainty (meter) 490.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 125
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 28
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.02698
Epicentral distance of station farthest from the epicenter (degree) 0.35433
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 84762911
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-11-16 02:02:49

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 15
Type of magnitude ML
Reference to an origin 80745341
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-07-03 19:30:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VULT.HHZ. 2020-07-03T16:19:08.14 0.3 undecidable manual S 88 39.3273 94 -0.11 71
IX.SNR3.HHE.02 2020-07-03T16:19:04.12 0.6 undecidable manual S 170 23.0547 99 0.2 46
IV.VULT.HHZ. 2020-07-03T16:19:02.90 0.1 undecidable manual P 88 39.3273 94 0.13 91
IX.SSB3.HNE. 2020-07-03T16:19:02.52 0.6 undecidable manual S 24 16.7721 109 0.22 47
IV.MCRV.HHZ. 2020-07-03T16:19:02.04 0.3 undecidable manual S 174 17.5713 107 -0.47 68
IX.AND3.HNN. 2020-07-03T16:19:02.35 0.6 undecidable manual S 94 15.6732 111 0.34 45
IX.MNT3.HHZ.02 2020-07-03T16:19:02.55 0.3 undecidable manual S 226 16.4724 109 0.34 69
IX.NSC3.HNN.02 2020-07-03T16:19:01.13 0.3 undecidable manual S 191 10.5783 128 0.29 70
IV.MTMR.HNN. 2020-07-03T16:19:01.49 0.6 undecidable manual S 259 12.3765 122 0.26 48
IV.CAFE.HHZ. 2020-07-03T16:19:01.39 0.3 undecidable manual S 38 12.2766 122 0.19 72
IV.SGTA.HHZ. 2020-07-03T16:19:01.15 0.1 undecidable manual P 40 28.2495 96 0.09 95
IX.LIO3.HHN.02 2020-07-03T16:19:00.16 0.3 undecidable manual S 150 5.5944 150 0.2 72
IX.SNR3.HHE.02 2020-07-03T16:19:00.29 0.3 undecidable manual P 170 23.0547 99 0.02 72
IX.CLT3.HHE.02 2020-07-03T16:19:00.35 0.3 undecidable manual P 101 21.9669 100 0.25 69
IX.SALI.HNN.01 2020-07-03T16:19:00.03 0.3 undecidable manual S 113 2.997 163 0.34 71
IV.MCRV.HHZ. 2020-07-03T16:18:59.17 0.1 undecidable manual P 174 17.5713 107 -0.28 94
IX.RSF3.HNE.02 2020-07-03T16:18:59.20 0.3 undecidable manual S 42 3.5964 160 -0.54 66
IX.AND3.HNN. 2020-07-03T16:18:59.05 0.1 undecidable manual P 94 15.6732 111 -0.11 97
IX.MNT3.HHZ.02 2020-07-03T16:18:59.27 0.1 undecidable manual P 226 16.4724 109 -0.01 98
IV.SNAL.HHZ. 2020-07-03T16:18:59.97 0.3 undecidable manual S 108 5.4945 151 0.03 75
IX.SSB3.HNE. 2020-07-03T16:18:59.21 0.1 undecidable manual P 24 16.7721 109 -0.12 96
IX.NSC3.HNN.02 2020-07-03T16:18:58.54 0.1 undecidable manual P 191 10.5783 128 0.05 99
IV.MTMR.HNN. 2020-07-03T16:18:58.80 0.3 undecidable manual P 259 12.3765 122 0.09 74
IV.CAFE.HHZ. 2020-07-03T16:18:58.56 0.1 undecidable manual P 38 12.2766 122 -0.14 96
IX.SALI.HNN.01 2020-07-03T16:18:57.79 0.1 undecidable manual P 113 2.997 163 -0.03 100
IV.SNAL.HHZ. 2020-07-03T16:18:57.81 0.1 undecidable manual P 108 5.4945 151 -0.16 97
IX.RSF3.HNE.02 2020-07-03T16:18:57.53 0.1 undecidable manual P 42 3.5964 160 -0.32 94
IX.LIO3.HHN.02 2020-07-03T16:18:57.76 0.1 undecidable manual P 150 5.5944 150 -0.22 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SNAL.HHE. ML:2.0 0.001495 0.38 AML other m 2020-07-03T16:19:00.33
IV.SNAL.HNN. ML:1.9 0.001014 0.86 AML other m 2020-07-03T16:19:00.42
IV.SNAL.HHN. ML:1.9 0.0010220000000000001 0.86 AML other m 2020-07-03T16:19:00.42
IV.CAFE.HHE. ML:1.6 0.0003923697 0.4608 AML other m 2020-07-03T16:19:01.54
IV.CAFE.HNN. ML:1.6 0.000439 0.6 AML other m 2020-07-03T16:19:01.79
IV.CAFE.HHN. ML:1.6 0.00039200000000000004 0.6 AML other m 2020-07-03T16:19:01.79
IV.MCRV.HHE. ML:2.2 0.001189 0.5 AML other m 2020-07-03T16:19:02.26
IV.MCRV.HHN. ML:2.2 0.00131 0.14 AML other m 2020-07-03T16:19:02.77
IX.MNT3.HNE.01 ML:1.7 0.00039266785 1.8976 AML other m 2020-07-03T16:19:03.00
IX.MNT3.HHE.02 ML:1.7 0.000435 0.98 AML other m 2020-07-03T16:19:03.06
IX.MNT3.HHN.02 ML:1.9 0.0007415000000000001 0.46 AML other m 2020-07-03T16:19:03.11
IV.CAFE.HNE. ML:1.7 0.000505 0.82 AML other m 2020-07-03T16:19:05.58
IV.VULT.HNN. ML:1.6 0.00012357427 0.4736 AML other m 2020-07-03T16:19:08.36
IV.SGTA.HHN. ML:1.2 0.00007068961500000001 0.2816 AML other m 2020-07-03T16:19:09.04
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