Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 15-08-2020 and time 11:17:36 (UTC) in region 2 km W Caposele (AV)

A magnitude ML 1.7 earthquake occured in region: 2 km W Caposele (AV), on

  • 15-08-2020 11:17:36 (UTC)
  • 15-08-2020 13:17:36 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.8130, 15.1980 at 15 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
Caposele AV 3 3483 3483
Calabritto AV 4 2391 5874
Teora AV 6 1537 7411
Lioni AV 7 6201 13612
Senerchia AV 8 842 14454
Laviano SA 10 1438 15892
Valva SA 10 1643 17535
Santomenna SA 10 443 17978
Castelnuovo di Conza SA 11 619 18597
Bagnoli Irpino AV 11 3217 21814
Nusco AV 13 4203 26017
Colliano SA 13 3638 29655
Conza della Campania AV 13 1373 31028
Sant'Angelo dei Lombardi AV 13 4250 35278
Morra De Sanctis AV 13 1297 36575
Oliveto Citra SA 14 3802 40377
Acerno SA 14 2783 43160
Sant'Andrea di Conza AV 15 1539 44699
Montella AV 16 7780 52479
Rocca San Felice AV 16 851 53330
Cassano Irpino AV 16 982 54312
Guardia Lombardi AV 16 1718 56030
Torella dei Lombardi AV 16 2144 58174
Pescopagano PZ 17 1910 60084
Andretta AV 17 1927 62011
Cairano AV 17 326 62337
Campagna SA 18 16703 79040
Contursi Terme SA 19 3394 82434
Castelfranci AV 19 2041 84475
Palomonte SA 19 3985 88460
Villamaina AV 20 995 89455

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km NE of Battipaglia (50786 inhabitants)
36 Km E of Avellino (54857 inhabitants)
40 Km E of Salerno (135261 inhabitants)
43 Km E of Cava de' Tirreni (53659 inhabitants)
50 Km SE of Benevento (60091 inhabitants)
55 Km W of Potenza (67122 inhabitants)
57 Km E of Scafati (50787 inhabitants)
62 Km E of Castellammare di Stabia (66466 inhabitants)
70 Km E of Torre del Greco (86275 inhabitants)
71 Km E of Portici (55274 inhabitants)
71 Km E of Acerra (59573 inhabitants)
72 Km E of Ercolano (53709 inhabitants)
76 Km E of Afragola (65057 inhabitants)
77 Km E of Casoria (77642 inhabitants)
78 Km SW of Cerignola (58396 inhabitants)
78 Km SW of Foggia (151991 inhabitants)
78 Km E of Caserta (76326 inhabitants)
80 Km E of Napoli (974074 inhabitants)
85 Km E of Giugliano in Campania (122974 inhabitants)
85 Km E of Aversa (53047 inhabitants)
85 Km E of Marano di Napoli (59874 inhabitants)
93 Km E of Pozzuoli (81661 inhabitants)
98 Km S of San Severo (53905 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 1.7 2020-08-15
11:17:36		 40.8132 15.1978 15 2020-11-19
12:36:58		 Bollettino Sismico Italiano INGV 82198881
Reviewed
Rev100 		ML 1.8 2020-08-15
11:17:36		 40.8063 15.1967 15 2020-08-15
11:28:14		 Sala Sismica INGV-Roma 82007781
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-08-15 11:17:36 ± 0.09
Latitude 40.8132 ± 0.0036
Longitude 15.1978 ± 0.0059
Depth (km) 15 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 82198881

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 423
Semi-minor axis of confidence ellipse (meter) 317
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 67
Circular confidence region, given by single value of horizontal uncertainty (meter) 420.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 63
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 31
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) 0.03777
Epicentral distance of station farthest from the epicenter (degree) 0.36602
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:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 82198881
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-10-08 14:00:02

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 82007781
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-08-15 11:28:14
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SGO.HHE. 2020-08-15T11:17:47.31 0.6 undecidable manual S 162 29.5482 102 0.35 45
IV.MRLC.HHZ. 2020-08-15T11:17:45.74 0.6 undecidable manual S 104 25.2525 106 -0.12 47
IV.CAFE.HHZ. 2020-08-15T11:17:45.19 0.3 undecidable manual S 8 24.0537 107 -0.36 68
IX.CMP3.HNZ.02 2020-08-15T11:17:45.05 0.6 undecidable manual S 209 20.4684 112 0.41 45
IX.COL3.HNE.02 2020-08-15T11:17:44.04 0.6 undecidable manual S 141 17.871 117 0.03 49
IV.SGTA.HNE. 2020-08-15T11:17:44.34 0.3 undecidable manual P 21 38.3283 98 0.45 66
IX.CGG3.HNN.01 2020-08-15T11:17:44.62 0.3 undecidable manual P 138 40.626 98 0.39 66
IV.SNAL.HHZ. 2020-08-15T11:17:43.09 0.3 undecidable manual S 4 12.4764 130 0.28 71
IX.SALI.HNN.01 2020-08-15T11:17:43.33 0.1 undecidable manual S 353 13.0758 128 0.41 92
IX.MNT3.HHZ.02 2020-08-15T11:17:43.68 0.3 undecidable manual S 279 16.2726 120 0.05 73
IX.PST3.HNN.02 2020-08-15T11:17:42.20 0.1 undecidable manual P 172 28.2495 103 -0.15 95
IX.LGS3.HNE.01 2020-08-15T11:17:42.14 0.3 undecidable manual P 318 25.9518 105 0.14 71
IV.SGO.HHE. 2020-08-15T11:17:42.13 0.1 undecidable manual P 162 29.5482 102 -0.41 89
IX.SNR3.HHZ.02 2020-08-15T11:17:42.20 0.6 undecidable manual S 183 8.5803 143 0.11 49
IX.SSB3.HNE.02 2020-08-15T11:17:42.53 0.3 undecidable manual P 5 29.5482 102 -0.02 72
IV.MRLC.HHZ. 2020-08-15T11:17:41.67 0.3 undecidable manual P 104 25.2525 106 -0.23 70
IV.MCRV.HHZ. 2020-08-15T11:17:41.27 0.6 undecidable manual S 216 4.1958 161 -0.26 49
IX.LIO3.HHN.02 2020-08-15T11:17:41.49 0.6 undecidable manual S 351 9.3795 140 -0.73 41
IX.CLT3.HNZ.02 2020-08-15T11:17:41.68 0.1 undecidable manual P 60 19.9689 113 0.54 89
IX.NSC3.HNN.02 2020-08-15T11:17:41.96 0.6 undecidable manual S 301 7.3815 148 0.06 49
IV.CAFE.HHZ. 2020-08-15T11:17:41.68 0.1 undecidable manual P 8 24.0537 107 -0.05 96
IX.CMP3.HNZ.02 2020-08-15T11:17:41.20 0.1 positive manual P 209 20.4684 112 0 98
IX.MNT3.HHZ.02 2020-08-15T11:17:40.61 0.1 negative manual P 279 16.2726 120 -0.01 99
IX.COL3.HNE.02 2020-08-15T11:17:40.76 0.1 undecidable manual P 141 17.871 117 -0.08 97
IV.SNAL.HHZ. 2020-08-15T11:17:40.09 0.1 undecidable manual P 4 12.4764 130 -0.06 98
IX.RSF3.HNE.02 2020-08-15T11:17:40.46 0.3 undecidable manual P 354 16.872 119 -0.25 70
IX.SALI.HNN.01 2020-08-15T11:17:40.20 0.1 undecidable manual P 353 13.0758 128 -0.01 99
IX.NSC3.HNN.02 2020-08-15T11:17:39.53 0.1 negative manual P 301 7.3815 148 -0.09 99
IX.LIO3.HHN.02 2020-08-15T11:17:39.71 0.1 undecidable manual P 351 9.3795 140 -0.1 98
IV.MCRV.HHZ. 2020-08-15T11:17:39.30 0.1 negative manual P 216 4.1958 161 -0.11 100
IX.SNR3.HHZ.02 2020-08-15T11:17:39.67 0.1 undecidable manual P 183 8.5803 143 -0.06 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MCRV.HHN. ML:2.3 0.002379153 0.1792 AML other m 2020-08-15T11:17:41.47
IV.MCRV.HHE. ML:2.0 0.001304322 0.1344 AML other m 2020-08-15T11:17:41.44
IV.SNAL.HHN. ML:1.7 0.00042191875 0.16 AML other m 2020-08-15T11:17:43.72
IV.SNAL.HNN. ML:1.6 0.00037714800000000006 0.16 AML other m 2020-08-15T11:17:43.72
IX.MNT3.HNN.01 ML:1.8 0.00050966425 1.904 AML other m 2020-08-15T11:17:43.00
IX.MNT3.HHN.02 ML:1.9 0.00056155475 0.096 AML other m 2020-08-15T11:17:44.01
IX.MNT3.HNE.01 ML:1.8 0.00042019165000000005 1.088 AML other m 2020-08-15T11:17:44.89
IX.MNT3.HHE.02 ML:1.5 0.0002471241 0.0768 AML other m 2020-08-15T11:17:44.34
IV.SNAL.HHE. ML:1.5 0.00025731415 0.2624 AML other m 2020-08-15T11:17:44.75
IV.SNAL.HNE. ML:1.6 0.00036002015 0.4224 AML other m 2020-08-15T11:17:44.96
IV.CAFE.HHE. ML:1.8 0.00035542255 0.1984 AML other m 2020-08-15T11:17:46.59
IV.CAFE.HNE. ML:1.8 0.0003491004 0.2048 AML other m 2020-08-15T11:17:46.49
IV.MRLC.HHE. ML:1.1 0.00006288567 0.16 AML other m 2020-08-15T11:17:46.60
IV.MRLC.HNE. ML:0.8 0.000032169585000000003 0.2368 AML other m 2020-08-15T11:17:46.84
IV.MRLC.HHN. ML:1.0 0.00005928415 0.16 AML other m 2020-08-15T11:17:47.24
IV.MRLC.HNN. ML:0.8 0.000027522885 0.2432 AML other m 2020-08-15T11:17:48.15
IV.CAFE.HHN. ML:1.7 0.00028337714999999996 1.5008 AML other m 2020-08-15T11:17:48.84
IV.CAFE.HNN. ML:1.7 0.00030164595 1.5008 AML other m 2020-08-15T11:17:48.84
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