Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 18-07-2020 and time 13:18:04 (Italy) in region 2 km S Castelgrande (PZ)

A magnitude ML 1.3 earthquake occured in region: 2 km S Castelgrande (PZ), on

  • 18-07-2020 11:18:04 (UTC)
  • 18-07-2020 13:18:04 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.7670, 15.4360 at 9 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
Castelgrande PZ 2 943 943
Muro Lucano PZ 4 5497 6440
Pescopagano PZ 8 1910 8350
Bella PZ 9 5171 13521
Sant'Andrea di Conza AV 10 1539 15060
Rapone PZ 10 990 16050
San Fele PZ 11 3004 19054
Santomenna SA 11 443 19497
Laviano SA 11 1438 20935
Castelnuovo di Conza SA 11 619 21554
Ricigliano SA 12 1144 22698
San Gregorio Magno SA 13 4286 26984
Ruvo del Monte PZ 13 1083 28067
Colliano SA 13 3638 31705
Conza della Campania AV 13 1373 33078
Valva SA 14 1643 34721
Balvano PZ 14 1830 36551
Calitri AV 15 4666 41217
Romagnano al Monte SA 15 368 41585
Cairano AV 16 326 41911
Buccino SA 16 5047 46958
Baragiano PZ 17 2671 49629
Palomonte SA 17 3985 53614
Teora AV 18 1537 55151
Calabritto AV 18 2391 57542
Caposele AV 18 3483 61025
Oliveto Citra SA 19 3802 64827
Vietri di Potenza PZ 20 2832 67659
Salvitelle SA 20 560 68219
Senerchia AV 20 842 69061

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km W of Potenza (67122 inhabitants)
42 Km E of Battipaglia (50786 inhabitants)
56 Km E of Avellino (54857 inhabitants)
58 Km E of Salerno (135261 inhabitants)
62 Km E of Cava de' Tirreni (53659 inhabitants)
68 Km SW of Cerignola (58396 inhabitants)
68 Km SE of Benevento (60091 inhabitants)
77 Km E of Scafati (50787 inhabitants)
78 Km S of Foggia (151991 inhabitants)
81 Km E of Castellammare di Stabia (66466 inhabitants)
89 Km SW of Andria (100440 inhabitants)
90 Km E of Torre del Greco (86275 inhabitants)
91 Km E of Portici (55274 inhabitants)
92 Km E of Acerra (59573 inhabitants)
92 Km E of Ercolano (53709 inhabitants)
94 Km SW of Barletta (94814 inhabitants)
94 Km W of Altamura (70396 inhabitants)
96 Km E of Afragola (65057 inhabitants)
98 Km E of Casoria (77642 inhabitants)
99 Km W of Matera (60436 inhabitants)
99 Km E of Caserta (76326 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 1.3 2020-07-18
11:18:04		 40.7672 15.436 9 2020-11-19
12:37:02		 Bollettino Sismico Italiano INGV 83102071
Reviewed
Rev100 		ML 1.2 2020-07-18
11:18:04		 40.7705 15.4253 9 2020-07-18
12:17:04		 Sala Sismica INGV-Roma 81131721
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-07-18 11:18:04 ± 0.11
Latitude 40.7672 ± 0.0063
Longitude 15.4360 ± 0.0071
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 83102071

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 732
Semi-minor axis of confidence ellipse (meter) 375
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 341
Circular confidence region, given by single value of horizontal uncertainty (meter) 730.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 88
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.02698
Epicentral distance of station farthest from the epicenter (degree) 0.46045
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.4
Num. used stations 6
Type of magnitude ML
Reference to an origin 83102071
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-09-21 12:56:49

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 81131721
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-07-18 12:17:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CMPR.HHZ. 2020-07-18T11:18:20.89 0.6 undecidable manual S 193 51.1155 50 0.36 43
IV.CMPR.HHZ. 2020-07-18T11:18:13.23 0.1 undecidable manual P 193 51.1155 50 -0.34 87
IV.MCRV.HHZ. 2020-07-18T11:18:12.06 0.6 undecidable manual S 274 22.5552 113 -0.48 44
IX.SNR3.HHZ. 2020-07-18T11:18:12.43 0.6 undecidable manual S 260 20.7681 114 0.47 44
IX.SFL3.HNE.01 2020-07-18T11:18:09.61 0.6 undecidable manual S 79 12.1767 128 0.21 48
IV.VULT.HHZ. 2020-07-18T11:18:09.81 0.3 undecidable manual P 36 25.752 110 0.25 69
IX.COL3.HHN.02 2020-07-18T11:18:09.92 0.6 undecidable manual S 225 12.5763 127 0.42 46
IX.SNR3.HHZ. 2020-07-18T11:18:08.73 0.1 undecidable manual P 260 20.7681 114 0.1 96
IV.MCRV.HHZ. 2020-07-18T11:18:08.49 0.1 undecidable manual P 274 22.5552 113 -0.47 89
IV.MRLC.HHZ. 2020-07-18T11:18:07.39 0.1 undecidable manual S 105 4.5954 154 -0.3 95
IX.RDM3.HHZ. 2020-07-18T11:18:07.86 0.1 undecidable manual P 35 14.6742 123 0.31 93
IX.SFL3.HNE.01 2020-07-18T11:18:07.09 0.1 undecidable manual P 79 12.1767 128 -0.06 98
IX.CSG3.HNZ.01 2020-07-18T11:18:07.84 0.6 undecidable manual S 22 6.0939 147 -0.11 49
IX.COL3.HHN.02 2020-07-18T11:18:07.28 0.1 undecidable manual P 225 12.5763 127 0.08 98
IX.VDS3.HNE.01 2020-07-18T11:18:07.84 0.6 undecidable manual S 194 2.997 162 0.36 47
IX.CLT3.HHZ.02 2020-07-18T11:18:07.97 0.3 undecidable manual P 350 15.2736 121 0.31 70
IX.VDS3.HNE.01 2020-07-18T11:18:06.09 0.1 undecidable manual P 194 2.997 162 0.05 100
IX.CSG3.HNZ.01 2020-07-18T11:18:06.05 0.1 undecidable manual P 22 6.0939 147 -0.26 95
IV.MRLC.HHZ. 2020-07-18T11:18:05.99 0.1 positive manual P 105 4.5954 154 -0.17 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MCRV.HHE. ML:1.9 0.000492 0.22 AML other m 2020-07-18T11:18:12.99
IV.MCRV.HHN. ML:2.0 0.0007239999999999999 1.76 AML other m 2020-07-18T11:18:13.98
IV.VULT.HHN. ML:1.4 0.0001325 1.18 AML other m 2020-07-18T11:18:20.86
IV.CMPR.HHE. ML:1.1 0.0000302 0.62 AML other m 2020-07-18T11:18:23.95
IV.VULT.HHE. ML:1.2 0.00008935 0.92 AML other m 2020-07-18T11:18:24.82
IV.CMPR.HHN. ML:1.0 0.000025 1.36 AML other m 2020-07-18T11:18:27.16
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