Earthquake with magnitude of ML 1.2 on date 21-07-2020 and time 07:32:57 (Italy) in region 2 km SW Viticuso (FR)

A magnitude ML 1.2 earthquake occured in region: 2 km SW Viticuso (FR), on

  • 21-07-2020 05:32:57 (UTC)
  • 21-07-2020 07:32:57 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.5090, 13.9610 at 7 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Viticuso FR 2 353 353
Acquafondata FR 4 263 616
Conca Casale IS 4 200 816
San Vittore del Lazio FR 5 2636 3452
Cervaro FR 6 8109 11561
Vallerotonda FR 6 1581 13142
San Pietro Infine CE 7 944 14086
Venafro IS 8 11280 25366
Pozzilli IS 9 2380 27746
Sant'Elia Fiumerapido FR 9 6166 33912
Filignano IS 9 648 34560
Cassino FR 11 36142 70702
Mignano Monte Lungo CE 12 3250 73952
San Biagio Saracinisco FR 12 349 74301
Rocca d'Evandro CE 14 3283 77584
Sesto Campano IS 14 2388 79972
Scapoli IS 15 680 80652
Montaquila IS 15 2456 83108
Belmonte Castello FR 15 739 83847
Sant'Ambrogio sul Garigliano FR 15 966 84813
Villa Latina FR 16 1241 86054
Colli a Volturno IS 16 1349 87403
Villa Santa Lucia FR 16 2632 90035
Terelle FR 16 422 90457
Sant'Apollinare FR 16 1919 92376
Capriati a Volturno CE 16 1541 93917
Pignataro Interamna FR 16 2595 96512
Rocchetta a Volturno IS 17 1113 97625
Picinisco FR 17 1218 98843
Piedimonte San Germano FR 18 6535 105378
Presenzano CE 18 1766 107144
Ciorlano CE 18 426 107570
Monteroduni IS 18 2264 109834
Atina FR 18 4316 114150
Macchia d'Isernia IS 18 1035 115185
Castel San Vincenzo IS 18 516 115701
Fornelli IS 19 1909 117610
Galluccio CE 19 2154 119764
Sant'Andrea del Garigliano FR 19 1505 121269
Pizzone IS 19 329 121598
Fontegreca CE 20 811 122409
Tora e Piccilli CE 20 910 123319
San Giorgio a Liri FR 20 3164 126483
Conca della Campania CE 20 1239 127722

Municipalities with at least 50000 inhabitants

An earthquake occurred to
57 Km NW of Caserta (76326 inhabitants)
63 Km NW of Aversa (53047 inhabitants)
68 Km NW of Giugliano in Campania (122974 inhabitants)
71 Km N of Marano di Napoli (59874 inhabitants)
71 Km NW of Acerra (59573 inhabitants)
71 Km NW of Afragola (65057 inhabitants)
73 Km NW of Casoria (77642 inhabitants)
74 Km N of Pozzuoli (81661 inhabitants)
78 Km NW of Napoli (974074 inhabitants)
81 Km NW of Benevento (60091 inhabitants)
83 Km NW of Portici (55274 inhabitants)
84 Km NW of Ercolano (53709 inhabitants)
87 Km NW of Torre del Greco (86275 inhabitants)
88 Km E of Latina (125985 inhabitants)
95 Km S of Chieti (51815 inhabitants)
96 Km NW of Avellino (54857 inhabitants)
97 Km NW of Scafati (50787 inhabitants)
100 Km NW of Castellammare di Stabia (66466 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 1.2 2020-07-21
05:32:57
41.5093 13.9608 7 2020-11-19
12:37:02
Bollettino Sismico Italiano INGV 83013611
Reviewed
Rev100
ML 1.2 2020-07-21
05:32:58
41.5365 13.9747 8 2020-07-21
05:39:15
Sala Sismica INGV-Roma 81207561
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-07-21 05:32:57 ± 0.23
Latitude 41.5093 ± 0.0144
Longitude 13.9608 ± 0.0156
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 83013611

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1850
Semi-minor axis of confidence ellipse (meter) 530
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 38
Circular confidence region, given by single value of horizontal uncertainty (meter) 1850.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 181
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.41
Epicentral distance of station closest to the epicenter (degree) 0.09803
Epicentral distance of station farthest from the epicenter (degree) 0.50362
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 83013611
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-09-18 19:25:25

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 81207561
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-07-21 05:39:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.INTR.HHZ. 2020-07-21T05:33:16.03 0.6 undecidable manual S 355 55.8996 50 0.12 43
IV.SGG.HHZ. 2020-07-21T05:33:11.89 0.6 undecidable manual S 111 37.3293 101 0.97 32
IV.LRP.EHN. 2020-07-21T05:33:11.13 0.6 undecidable manual S 296 34.6431 102 1.14 34
IV.POFI.HHZ. 2020-07-21T05:33:08.96 0.6 undecidable manual S 318 30.9468 103 0.21 48
IV.INTR.HHZ. 2020-07-21T05:33:07.84 0.3 undecidable manual P 355 55.8996 50 -0.38 68
IV.VVLD.HHZ. 2020-07-21T05:33:07.26 0.3 undecidable manual P 325 48.8178 50 0.14 67
IV.VAGA.HHZ. 2020-07-21T05:33:06.88 0.6 undecidable manual S 115 24.9528 106 0.12 49
IV.SGG.HHZ. 2020-07-21T05:33:05.42 0.3 undecidable manual P 111 37.3293 101 0.08 70
IV.POFI.HHZ. 2020-07-21T05:33:04.02 0.3 undecidable manual P 318 30.9468 103 -0.07 71
IV.LRP.EHN. 2020-07-21T05:33:04.29 0.3 undecidable manual P 296 34.6431 102 -0.51 65
IV.VAGA.HHZ. 2020-07-21T05:33:03.00 0.3 undecidable manual P 115 24.9528 106 0.07 74
IV.RNI2.HHE. 2020-07-21T05:33:03.03 0.3 undecidable manual P 36 26.751 105 -0.24 71
IV.CERA.HHZ. 2020-07-21T05:33:02.96 0.3 undecidable manual S 26 10.878 124 0.68 68
IV.MIDA.HHZ. 2020-07-21T05:33:02.78 0.1 undecidable manual P 59 28.4493 105 -0.81 78
IV.CERA.HHZ. 2020-07-21T05:33:00.36 0.1 undecidable manual P 26 10.878 124 0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CERA.HHN. ML:1.8 0.000889 1.1 AML other m 2020-07-21T05:33:04.61
IV.CERA.HNN. ML:1.8 0.0008465 1.1 AML other m 2020-07-21T05:33:04.62
IV.CERA.HHE. ML:1.9 0.0011125 0.26 AML other m 2020-07-21T05:33:04.71
IV.CERA.HNE. ML:1.9 0.001075 0.24 AML other m 2020-07-21T05:33:04.71
IV.VAGA.HNN. ML:1.4 0.00016849999999999998 0.44 AML other m 2020-07-21T05:33:08.98
IV.VAGA.HHN. ML:1.4 0.0001715 0.42 AML other m 2020-07-21T05:33:08.97
IV.VAGA.HHE. ML:1.1 0.00007494999999999999 0.52 AML other m 2020-07-21T05:33:09.39
IV.VAGA.HNE. ML:1.1 0.00007875 0.52 AML other m 2020-07-21T05:33:09.39
IV.MIDA.HHE. ML:1.0 0.000049850000000000006 1.64 AML other m 2020-07-21T05:33:09.89
IV.MIDA.HHN. ML:1.1 0.000058899999999999995 0.88 AML other m 2020-07-21T05:33:09.49
IV.POFI.HHE. ML:0.8 0.000027799999999999998 0.7 AML other m 2020-07-21T05:33:11.41
IV.POFI.HHN. ML:0.7 0.000024399999999999997 1.16 AML other m 2020-07-21T05:33:12.88
IV.SGG.HHN. ML:1.0 0.00003735 0.34 AML other m 2020-07-21T05:33:13.71
IV.SGG.HHE. ML:1.0 0.00004235 0.4 AML other m 2020-07-21T05:33:14.74
IV.VVLD.HHE. ML:1.0 0.0000265 0.42 AML other m 2020-07-21T05:33:17.01
IV.INTR.HHN. ML:1.3 0.000048299999999999995 0.84 AML other m 2020-07-21T05:33:17.47
IV.INTR.HHE. ML:1.2 0.00003685 0.82 AML other m 2020-07-21T05:33:18.89
IV.VVLD.HHN. ML:1.0 0.000024599999999999998 1.16 AML other m 2020-07-21T05:33:19.84
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