Earthquake with magnitude of ML 1.2 on date 18-07-2020 and time 13:18:04 (Italy) in region 2 km SW Castelgrande (PZ)

A magnitude ML 1.2 earthquake occured in region: 2 km SW 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) 40.77, 15.42 at 9 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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.

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 5 5497 6440
Pescopagano PZ 8 1910 8350
Sant'Andrea di Conza AV 9 1539 9889
Bella PZ 10 5171 15060
Santomenna SA 10 443 15503
Castelnuovo di Conza SA 10 619 16122
Laviano SA 10 1438 17560
Rapone PZ 11 990 18550
San Fele PZ 11 3004 21554
Colliano SA 12 3638 25192
Ricigliano SA 12 1144 26336
Conza della Campania AV 12 1373 27709
San Gregorio Magno SA 13 4286 31995
Ruvo del Monte PZ 13 1083 33078
Valva SA 13 1643 34721
Calitri AV 15 4666 39387
Cairano AV 15 326 39713
Balvano PZ 15 1830 41543
Romagnano al Monte SA 16 368 41911
Buccino SA 16 5047 46958
Palomonte SA 17 3985 50943
Teora AV 17 1537 52480
Calabritto AV 17 2391 54871
Caposele AV 17 3483 58354
Baragiano PZ 18 2671 61025
Oliveto Citra SA 18 3802 64827
Senerchia AV 19 842 65669
Salvitelle SA 20 560 66229

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km W of Potenza (67122 inhabitants)
41 Km E of Battipaglia (50786 inhabitants)
55 Km E of Avellino (54857 inhabitants)
57 Km E of Salerno (135261 inhabitants)
61 Km E of Cava de' Tirreni (53659 inhabitants)
67 Km SE of Benevento (60091 inhabitants)
68 Km SW of Cerignola (58396 inhabitants)
76 Km E of Scafati (50787 inhabitants)
78 Km S of Foggia (151991 inhabitants)
80 Km E of Castellammare di Stabia (66466 inhabitants)
89 Km SW of Andria (100440 inhabitants)
89 Km E of Torre del Greco (86275 inhabitants)
90 Km E of Portici (55274 inhabitants)
91 Km E of Acerra (59573 inhabitants)
91 Km E of Ercolano (53709 inhabitants)
94 Km SW of Barletta (94814 inhabitants)
95 Km W of Altamura (70396 inhabitants)
95 Km E of Afragola (65057 inhabitants)
97 Km E of Casoria (77642 inhabitants)
98 Km E of Caserta (76326 inhabitants)
99 Km E of Napoli (974074 inhabitants)
100 Km W of Matera (60436 inhabitants)
Recent and historical Seismicity
Seismic hazard
Shakemap
Felt maps
The earthquake effects in MCS scale as obtained from the compiled questionnaire

The earthquake effects in MCS scale as obtained from the compiled questionnaire

This map shows the distribution of the effects of the earthquake on the territory in terms of the MCS (Mercalli-Cancani-Sieberg) intensity scale. The intensities are determined using the data provided in the questionnaire (http://www.haisentitoilterremoto.it/) that are analysed using robust statistical techniques since they are not verified individually. Specifically, the assignment of MCS intensities greater or equal the VI degree of the MCS scale require opportune in situ verification by professional experts. The purple start shows the epicenter. This map is prepared every so often that the population fill in new questionnaires. The number of questionnaires used to determine the map and the date and time of the last adjournment are shown in the upper right part of the panel.
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Reviewed
Rev100
ML 1.2 2020-07-18
11:18:04
40.77 15.43 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 ± 0.12
Latitude 40.77 ± 0.01
Longitude 15.43 ± 0.01
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 81131721

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 811
Semi-minor axis of confidence ellipse (meter) 526
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 3
Circular confidence region, given by single value of horizontal uncertainty (meter) 810
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 117
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.02968
Epicentral distance of station farthest from the epicenter (degree) 0.46135
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

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 Takeoff_angle Residual Weight
IV.CMPR.HHZ. 2020-07-18T11:18:20.89 0.1 undecidable manual S 192 0.4614 50 0.19 90
IV.CMPR.HHZ. 2020-07-18T11:18:13.23 0.1 undecidable manual P 192 0.4614 50 -0.41 86
IV.MCRV.HHZ. 2020-07-18T11:18:12.05 0.1 undecidable manual S 274 0.1952 112 -0.04 98
IV.VULT.HHZ. 2020-07-18T11:18:09.79 0.1 undecidable manual P 38 0.2338 108 0.3 92
IV.MCRV.HHZ. 2020-07-18T11:18:08.49 0.1 undecidable manual P 274 0.1952 112 -0.19 95
IX.COL3.HHN.02 2020-07-18T11:18:07.28 0.1 undecidable manual P 221 0.1097 125 0.28 95
IX.SFL3.HNE.01 2020-07-18T11:18:07.09 0.1 undecidable manual P 81 0.1169 123 -0.04 99
IV.MRLC.HHZ. 2020-07-18T11:18:07.39 0.1 undecidable manual S 106 0.0504 147 -0.17 98
IX.VDS3.HNE.01 2020-07-18T11:18:06.09 0.1 undecidable manual P 178 0.0297 159 0.23 97
IX.CSG3.HNZ.01 2020-07-18T11:18:06.05 0.1 undecidable manual P 31 0.0558 144 -0.08 100
IV.MRLC.HHZ. 2020-07-18T11:18:05.99 0.1 positive manual P 106 0.0504 147 -0.07 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MCRV.HHE. ML:1.8 0.000492 0.22 AML other m 2020-07-18T11:18:12.99
IV.MCRV.HHN. ML:2 0.000724 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 3.02E-5 0.62 AML other m 2020-07-18T11:18:23.95
IV.VULT.HHE. ML:1.2 8.935E-5 0.92 AML other m 2020-07-18T11:18:24.82
IV.CMPR.HHN. ML:1 2.5E-5 1.36 AML other m 2020-07-18T11:18:27.16
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download