Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 03-07-2020 and time 16:17:41 (UTC) 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 16:17:41 (UTC)
  • 03-07-2020 18:17:41 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.9400, 15.1520 at 14 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 3 4250 5101
Torella dei Lombardi AV 3 2144 7245
Guardia Lombardi AV 5 1718 8963
Villamaina AV 6 995 9958
Lioni AV 8 6201 16159
Morra De Sanctis AV 8 1297 17456
Nusco AV 8 4203 21659
Frigento AV 9 3780 25439
Castelfranci AV 9 2041 27480
Sturno AV 10 3080 30560
Gesualdo AV 10 3516 34076
Paternopoli AV 11 2384 36460
Carife AV 11 1408 37868
Castel Baronia AV 12 1129 38997
Teora AV 13 1537 40534
Cassano Irpino AV 13 982 41516
Montemarano AV 13 2851 44367
Bagnoli Irpino AV 14 3217 47584
Vallata AV 14 2714 50298
San Nicola Baronia AV 14 771 51069
Trevico AV 14 993 52062
Castelvetere sul Calore AV 14 1615 53677
Fontanarosa AV 14 3170 56847
Andretta AV 14 1927 58774
Luogosano AV 15 1187 59961
San Sossio Baronia AV 15 1643 61604
Flumeri AV 15 2963 64567
San Mango sul Calore AV 15 1185 65752
Sant'Angelo all'Esca AV 15 801 66553
Caposele AV 15 3483 70036
Montella AV 16 7780 77816
Vallesaccarda AV 16 1386 79202
Grottaminarda AV 17 8137 87339
Mirabella Eclano AV 18 7684 95023
Lapio AV 18 1572 96595
Taurasi AV 18 2377 98972
Conza della Campania AV 18 1373 100345
Calabritto AV 18 2391 102736
Cairano AV 19 326 103062
Chiusano di San Domenico AV 20 2277 105339
Castelnuovo di Conza SA 20 619 105958
Melito Irpino AV 20 1920 107878

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km E of Avellino (54857 inhabitants)
38 Km SE of Benevento (60091 inhabitants)
40 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)
70 Km E of Caserta (76326 inhabitants)
71 Km E of Afragola (65057 inhabitants)
72 Km E of Casoria (77642 inhabitants)
73 Km SW of Cerignola (58396 inhabitants)
77 Km E of Napoli (974074 inhabitants)
79 Km E of Aversa (53047 inhabitants)
80 Km E of Giugliano in Campania (122974 inhabitants)
81 Km E of Marano di Napoli (59874 inhabitants)
85 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
16:17:41		 40.9405 15.1518 14 2020-11-19
12:37:07		 Bollettino Sismico Italiano INGV 84680401
Reviewed
Rev100 		ML 1.6 2020-07-03
16:17:41		 40.9358 15.1645 14 2020-07-03
17:09:09		 Sala Sismica INGV-Roma 80741991
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-07-03 16:17:41 ± 0.11
Latitude 40.9405 ± 0.0054
Longitude 15.1518 ± 0.0071
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 84680401

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 635
Semi-minor axis of confidence ellipse (meter) 313
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 303
Circular confidence region, given by single value of horizontal uncertainty (meter) 630.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 124
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.02338
Epicentral distance of station farthest from the epicenter (degree) 0.25181
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 84680401
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-11-16 01:53:04

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 80741991
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-07-03 17:09:09
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IX.MNT3.HHZ.02 2020-07-03T16:17:48.53 0.3 undecidable manual S 227 16.7721 114 0.25 70
IV.MCRV.HHZ. 2020-07-03T16:17:48.15 0.3 undecidable manual S 175 17.5713 113 -0.33 69
IV.SGTA.HHZ. 2020-07-03T16:17:47.28 0.3 undecidable manual P 40 27.9498 100 0.34 68
IX.NSC3.HHN.02 2020-07-03T16:17:47.20 0.3 undecidable manual S 193 10.6782 132 0.28 70
IV.MTMR.HNN. 2020-07-03T16:17:47.52 0.6 undecidable manual S 259 12.7761 125 0.17 48
IV.CAFE.HHZ. 2020-07-03T16:17:47.34 0.3 undecidable manual S 36 12.0768 127 0.14 72
IV.SNAL.HHZ. 2020-07-03T16:17:46.02 0.3 undecidable manual S 109 5.0949 155 0 75
IX.LIO3.HNN.02 2020-07-03T16:17:46.40 0.3 undecidable manual S 154 5.3946 153 0.34 70
IX.CLT3.HHE.02 2020-07-03T16:17:46.34 0.1 undecidable manual P 101 21.5673 106 0.36 90
IX.SALI.HNN.01 2020-07-03T16:17:46.06 0.3 undecidable manual S 116 2.5974 167 0.25 71
IV.MCRV.HHZ. 2020-07-03T16:17:45.20 0.1 negative manual P 175 17.5713 113 -0.19 94
IX.RSF3.HHE.02 2020-07-03T16:17:45.38 0.3 undecidable manual S 37 3.2967 163 -0.48 68
IX.SSB3.HNE.02 2020-07-03T16:17:45.24 0.1 undecidable manual P 23 16.6722 115 -0.02 97
IX.MNT3.HHZ.02 2020-07-03T16:17:45.18 0.1 negative manual P 227 16.7721 114 -0.1 96
IX.SNR3.HHE.02 2020-07-03T16:17:45.93 0.6 undecidable manual P 171 22.9548 104 -0.26 46
IX.AND3.HNN.02 2020-07-03T16:17:45.02 0.1 undecidable manual P 94 15.2736 118 -0.05 97
IX.NSC3.HHN.02 2020-07-03T16:17:44.48 0.1 negative manual P 193 10.6782 132 -0.01 99
IV.MTMR.HNN. 2020-07-03T16:17:44.90 0.3 undecidable manual P 259 12.7761 125 0.16 72
IV.CAFE.HHZ. 2020-07-03T16:17:44.64 0.1 positive manual P 36 12.0768 127 -0.01 98
IX.SALI.HNN.01 2020-07-03T16:17:43.87 0.1 negative manual P 116 2.5974 167 0.02 100
IV.SNAL.HHZ. 2020-07-03T16:17:43.89 0.1 negative manual P 109 5.0949 155 -0.09 98
IX.RSF3.HHE.02 2020-07-03T16:17:43.57 0.1 undecidable manual P 37 3.2967 163 -0.31 94
IX.LIO3.HNN.02 2020-07-03T16:17:43.82 0.1 undecidable manual P 154 5.3946 153 -0.18 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SNAL.HNE. ML:1.8 0.0008921924999999999 0.384 AML other m 2020-07-03T16:17:46.37
IV.SNAL.HHE. ML:1.9 0.0009423171000000001 0.384 AML other m 2020-07-03T16:17:46.37
IV.SNAL.HHN. ML:1.6 0.0005827314999999999 0.2432 AML other m 2020-07-03T16:17:46.46
IV.SNAL.HNN. ML:1.6 0.0005776586500000001 0.2432 AML other m 2020-07-03T16:17:46.46
IV.CAFE.HNN. ML:1.3 0.0001895473 0.6016 AML other m 2020-07-03T16:17:48.05
IV.CAFE.HHN. ML:1.2 0.0001460369 0.1664 AML other m 2020-07-03T16:17:48.35
IV.MCRV.HHN. ML:1.8 0.00042821229999999997 0.128 AML other m 2020-07-03T16:17:48.75
IX.MNT3.HHE.02 ML:1.7 0.00035301555 0.0896 AML other m 2020-07-03T16:17:48.82
IV.MCRV.HHE. ML:1.7 0.00034466354999999996 0.2176 AML other m 2020-07-03T16:17:48.88
IX.MNT3.HNN.01 ML:1.7 0.0003988019 0.2048 AML other m 2020-07-03T16:17:49.33
IX.MNT3.HHN.02 ML:1.8 0.0004420419 0.2048 AML other m 2020-07-03T16:17:49.44
IV.CAFE.HNE. ML:1.4 0.00023662865 0.8064 AML other m 2020-07-03T16:17:51.21
IV.CAFE.HHE. ML:1.3 0.0001986073 0.2816 AML other m 2020-07-03T16:17:51.22
IV.SGTA.HHE. ML:0.9 0.000040770180000000003 0.256 AML other m 2020-07-03T16:17:56.34
IX.MNT3.HNE.01 ML:1.7 0.000375815055 1.9072 AML other m 2020-07-03T16:17:56.92
IV.SGTA.HNN. ML:1.6 0.00017387415 1.4208 AML other m 2020-07-03T16:17:58.41
IV.SGTA.HHN. ML:0.9 0.000039093725 0.3712 AML other m 2020-07-03T16:18:00.97
IV.SGTA.HNE. ML:1.4 0.0001337659 4.8128 AML other m 2020-07-03T16:18:00.79
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