Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 13-07-2023 and time 00:13:18 (Italy) in region 2 km SE Vicovaro (RM)

A magnitude ML 1.5 earthquake occured in region: 2 km SE Vicovaro (RM), on

  • 12-07-2023 22:13:18 (UTC)
  • 13-07-2023 00:13:18 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.0030, 12.9060 at 10 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.

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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
Vicovaro RM 2 4019 4019
Sambuci RM 3 925 4944
Mandela RM 4 917 5861
Saracinesco RM 4 185 6046
Castel Madama RM 4 7399 13445
Roccagiovine RM 5 263 13708
Ciciliano RM 6 1336 15044
San Polo dei Cavalieri RM 6 2992 18036
Anticoli Corrado RM 7 915 18951
Cineto Romano RM 7 601 19552
Roviano RM 8 1351 20903
Licenza RM 8 1011 21914
Marcellina RM 8 7280 29194
Cerreto Laziale RM 9 1118 30312
Marano Equo RM 9 779 31091
San Gregorio da Sassola RM 10 1619 32710
Tivoli RM 10 56533 89243
Riofreddo RM 10 781 90024
Arsoli RM 10 1586 91610
Percile RM 10 255 91865
Gerano RM 11 1263 93128
Casape RM 11 744 93872
Agosta RM 11 1765 95637
Rocca Canterano RM 11 196 95833
Pisoniano RM 11 770 96603
Vallinfreda RM 12 283 96886
Oricola AQ 12 1244 98130
Poli RM 13 2418 100548
Canterano RM 13 351 100899
Monteflavio RM 14 1348 102247
Cervara di Roma RM 14 455 102702
Palombara Sabina RM 14 13269 115971
Vivaro Romano RM 14 182 116153
Rocca di Botte AQ 14 856 117009
Rocca Santo Stefano RM 14 975 117984
Orvinio RI 15 405 118389
Guidonia Montecelio RM 15 88673 207062
San Vito Romano RM 15 3273 210335
Capranica Prenestina RM 16 351 210686
Gallicano nel Lazio RM 16 6334 217020
Sant'Angelo Romano RM 16 5018 222038
Moricone RM 17 2650 224688
Camerata Nuova RM 17 447 225135
Bellegra RM 17 2887 228022
Montorio Romano RM 17 1984 230006
Turania RI 17 241 230247
Pereto AQ 17 682 230929
Castel San Pietro Romano RM 17 902 231831
Rocca di Cave RM 18 377 232208
Carsoli AQ 18 5396 237604
Palestrina RM 18 21672 259276
Pozzaglia Sabina RI 18 360 259636
Subiaco RM 18 9074 268710
Scandriglia RI 19 3108 271818
Collalto Sabino RI 19 442 272260
Olevano Romano RM 19 6687 278947
Zagarolo RM 19 17843 296790
Roiate RM 19 737 297527
Genazzano RM 20 6036 303563

Municipalities with at least 50000 inhabitants

An earthquake occurred to
10 Km E of Tivoli (56533 inhabitants)
15 Km E of Guidonia Montecelio (88673 inhabitants)
37 Km N of Velletri (53303 inhabitants)
37 Km E of Roma (2864731 inhabitants)
50 Km NE of Pomezia (62966 inhabitants)
50 Km NE of Aprilia (73446 inhabitants)
56 Km SW of L'Aquila (69753 inhabitants)
60 Km N of Latina (125985 inhabitants)
61 Km E of Fiumicino (78395 inhabitants)
66 Km SE of Terni (111501 inhabitants)
66 Km NE of Anzio (54211 inhabitants)
80 Km SE of Viterbo (67173 inhabitants)
92 Km E of Civitavecchia (52991 inhabitants)
98 Km SW of Teramo (54892 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
Reviewed
Rev100 		ML 1.5 2023-07-12
22:13:18		 42.0033 12.9057 10 2023-07-12
22:20:59		 Sala Sismica INGV-Roma 119210891
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-07-12 22:13:18 ± 0.13
Latitude 42.0033 ± 0.0072
Longitude 12.9057 ± 0.0085
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 119210891

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 724
Semi-minor axis of confidence ellipse (meter) 707
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 214
Circular confidence region, given by single value of horizontal uncertainty (meter) 720.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 112
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 12
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.54949
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 6
Magnitude information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 119210891
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-07-12 22:20:59
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MML1.EHZ. 2023-07-12T22:13:54.60 3.0 undecidable manual S 0.07 0
IV.VVLD.HHZ. 2023-07-12T22:13:37.70 0.6 undecidable manual S 104 60.9945 50 -0.1 45
IV.FIAM.HNN. 2023-07-12T22:13:30.16 0.6 undecidable manual S 31 34.1436 50 -0.47 44
IV.VVLD.HHZ. 2023-07-12T22:13:29.29 0.6 negative manual P 104 60.9945 50 -0.45 42
IV.FIAM.HNN. 2023-07-12T22:13:26.11 0.1 undecidable manual P 31 34.1436 50 0.52 87
IV.RCAV.EHZ. 2023-07-12T22:13:25.39 0.6 undecidable manual S 169 17.5713 118 -0.27 47
IT.CSO1.HGE. 2023-07-12T22:13:25.81 0.6 undecidable manual S 54 18.4704 117 -0.12 49
IV.MTCE.HHZ. 2023-07-12T22:13:24.26 0.6 undecidable manual S 279 13.6752 125 -0.23 48
IV.RCAV.EHZ. 2023-07-12T22:13:23.18 0.6 positive manual P 169 17.5713 118 0.46 45
IV.CERT.HHZ. 2023-07-12T22:13:23.14 0.6 undecidable manual S 134 8.6802 138 -0.05 50
IV.MTCE.HHZ. 2023-07-12T22:13:22.01 0.1 positive manual P 279 13.6752 125 -0.04 100
IT.CSO1.HGE. 2023-07-12T22:13:22.90 0.1 undecidable manual P 54 18.4704 117 0.02 100
IV.CERT.HHZ. 2023-07-12T22:13:21.44 0.1 positive manual P 134 8.6802 138 0.14 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CERT.HHE. ML:1.5 0.00045299999999999995 0.52 AML other m 2023-07-12T22:13:23.69
IV.CERT.HNE. ML:1.9 0.0012035 0.52 AML other m 2023-07-12T22:13:23.44
IV.CERT.HHN. ML:1.9 0.0010899999999999998 0.36 AML other m 2023-07-12T22:13:23.85
IV.CERT.HNN. ML:1.8 0.0010235 1.42 AML other m 2023-07-12T22:13:24.85
IV.MTCE.HHN. ML:1.4 0.0002455 0.36 AML other m 2023-07-12T22:13:24.53
IV.MTCE.HHE. ML:1.3 0.00023249999999999999 0.22 AML other m 2023-07-12T22:13:25.70
IV.RCAV.EHN. ML:1.4 0.00023349999999999998 0.26 AML other m 2023-07-12T22:13:27.97
IV.RCAV.EHE. ML:1.4 0.00023400000000000002 1.46 AML other m 2023-07-12T22:13:27.15
IV.VVLD.HHE. ML:1.2 0.000035000000000000004 0.88 AML other m 2023-07-12T22:13:38.58
IV.VVLD.HHN. ML:1.2 0.00003305 1.08 AML other m 2023-07-12T22:13:45.24
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