Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 16-06-2023 and time 05:56:16 (Italy) in region 2 km NW Sambuci (RM)

A magnitude ML 1.4 earthquake occured in region: 2 km NW Sambuci (RM), on

  • 16-06-2023 03:56:16 (UTC)
  • 16-06-2023 05:56:16 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.0000, 12.9230 at 8 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
Sambuci RM 2 925 925
Saracinesco RM 3 185 1110
Vicovaro RM 3 4019 5129
Mandela RM 4 917 6046
Ciciliano RM 5 1336 7382
Castel Madama RM 5 7399 14781
Anticoli Corrado RM 6 915 15696
Roccagiovine RM 6 263 15959
Cineto Romano RM 7 601 16560
Roviano RM 7 1351 17911
San Polo dei Cavalieri RM 7 2992 20903
Cerreto Laziale RM 8 1118 22021
Marano Equo RM 8 779 22800
Licenza RM 9 1011 23811
Arsoli RM 9 1586 25397
Agosta RM 9 1765 27162
Gerano RM 9 1263 28425
Riofreddo RM 10 781 29206
Rocca Canterano RM 10 196 29402
San Gregorio da Sassola RM 10 1619 31021
Marcellina RM 10 7280 38301
Pisoniano RM 11 770 39071
Casape RM 11 744 39815
Percile RM 11 255 40070
Tivoli RM 11 56533 96603
Oricola AQ 11 1244 97847
Vallinfreda RM 11 283 98130
Canterano RM 12 351 98481
Cervara di Roma RM 12 455 98936
Rocca di Botte AQ 13 856 99792
Poli RM 13 2418 102210
Rocca Santo Stefano RM 13 975 103185
Vivaro Romano RM 13 182 103367
San Vito Romano RM 14 3273 106640
Monteflavio RM 15 1348 107988
Orvinio RI 15 405 108393
Palombara Sabina RM 15 13269 121662
Capranica Prenestina RM 15 351 122013
Camerata Nuova RM 16 447 122460
Bellegra RM 16 2887 125347
Guidonia Montecelio RM 16 88673 214020
Pereto AQ 16 682 214702
Gallicano nel Lazio RM 17 6334 221036
Subiaco RM 17 9074 230110
Turania RI 17 241 230351
Castel San Pietro Romano RM 17 902 231253
Rocca di Cave RM 17 377 231630
Carsoli AQ 17 5396 237026
Sant'Angelo Romano RM 18 5018 242044
Palestrina RM 18 21672 263716
Olevano Romano RM 18 6687 270403
Moricone RM 18 2650 273053
Montorio Romano RM 18 1984 275037
Roiate RM 18 737 275774
Pozzaglia Sabina RI 18 360 276134
Collalto Sabino RI 19 442 276576
Genazzano RM 19 6036 282612
Zagarolo RM 19 17843 300455
Affile RM 19 1548 302003
Scandriglia RI 20 3108 305111
Cave RM 20 11287 316398

Municipalities with at least 50000 inhabitants

An earthquake occurred to
11 Km E of Tivoli (56533 inhabitants)
16 Km E of Guidonia Montecelio (88673 inhabitants)
37 Km NE of Velletri (53303 inhabitants)
38 Km E of Roma (2864731 inhabitants)
50 Km NE of Aprilia (73446 inhabitants)
51 Km NE of Pomezia (62966 inhabitants)
56 Km SW of L'Aquila (69753 inhabitants)
59 Km N of Latina (125985 inhabitants)
62 Km E of Fiumicino (78395 inhabitants)
66 Km NE of Anzio (54211 inhabitants)
67 Km SE of Terni (111501 inhabitants)
82 Km SE of Viterbo (67173 inhabitants)
94 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 1.4 2023-06-16
03:56:16		 41.9997 12.9227 8 2023-06-16
04:30:59		 Sala Sismica INGV-Roma 118435751
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-06-16 03:56:16 ± 0.08
Latitude 41.9997 ± 0.0072
Longitude 12.9227 ± 0.0073
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 118435751

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 871
Semi-minor axis of confidence ellipse (meter) 271
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 217
Circular confidence region, given by single value of horizontal uncertainty (meter) 870.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 108
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.06655
Epicentral distance of station farthest from the epicenter (degree) 0.53690
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 118435751
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-06-16 04:30:59
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VVLD.HHZ. 2023-06-16T03:56:27.43 0.1 undecidable manual P 104 59.5959 50 -0.09 100
IV.RCAV.EHZ. 2023-06-16T03:56:23.19 0.3 undecidable manual S 174 16.9719 116 0.04 82
IV.FIAM.HHZ. 2023-06-16T03:56:23.65 1.0 positive manual P 28 33.8439 50 0.11 26
IV.MTCE.HHZ. 2023-06-16T03:56:22.44 0.3 undecidable manual S 280 15.0738 119 -0.13 81
IV.MTCE.HHZ. 2023-06-16T03:56:20.16 0.3 negative manual P 280 15.0738 119 0.13 81
IV.RCAV.EHZ. 2023-06-16T03:56:20.34 1.0 undecidable manual P 174 16.9719 116 -0.03 27
IV.CERT.HHZ. 2023-06-16T03:56:20.29 0.6 undecidable manual S 139 7.3815 138 -0.17 54
IV.CERT.HHZ. 2023-06-16T03:56:19.07 0.6 undecidable manual P 139 7.3815 138 0.25 53
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CERT.HNN. ML:1.5 0.0005755000000000001 1.32 AML other m 2023-06-16T03:56:21.72
IV.CERT.HHN. ML:1.6 0.0006285 1.32 AML other m 2023-06-16T03:56:21.73
IV.CERT.HHE. ML:1.3 0.00035250000000000006 0.82 AML other m 2023-06-16T03:56:21.88
IV.MTCE.HHN. ML:1.5 0.00031 1 AML other m 2023-06-16T03:56:23.06
IV.MTCE.HHE. ML:1.5 0.000339 0.96 AML other m 2023-06-16T03:56:23.06
IV.CERT.HNE. ML:1.8 0.0009755 0.34 AML other m 2023-06-16T03:56:24.25
IV.RCAV.EHN. ML:1.5 0.000282 0.82 AML other m 2023-06-16T03:56:25.70
IV.RCAV.EHE. ML:1.5 0.00027 0.36 AML other m 2023-06-16T03:56:25.42
IV.FIAM.HHN. ML:1.3 0.00008415 0.62 AML other m 2023-06-16T03:56:30.95
IV.FIAM.HHE. ML:1.2 0.00006584999999999999 0.36 AML other m 2023-06-16T03:56:32.49
IV.VVLD.HHN. ML:1.2 0.0000327 1.22 AML other m 2023-06-16T03:56:42.92
IV.VVLD.HHE. ML:1.2 0.000031899999999999996 1.48 AML other m 2023-06-16T03:56:43.07
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