Earthquake with magnitude of ML 1.4 on date 24-06-2023 and time 04:50:24 (Italy) in region 2 km SW Ciciliano (RM)

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

  • 24-06-2023 02:50:24 (UTC)
  • 24-06-2023 04:50:24 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.9500, 12.9190 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
Ciciliano RM 2 1336 1336
Sambuci RM 4 925 2261
Castel Madama RM 5 7399 9660
San Gregorio da Sassola RM 5 1619 11279
Cerreto Laziale RM 5 1118 12397
Casape RM 5 744 13141
Pisoniano RM 6 770 13911
Gerano RM 7 1263 15174
Saracinesco RM 7 185 15359
Poli RM 7 2418 17777
Vicovaro RM 8 4019 21796
Rocca Canterano RM 9 196 21992
Anticoli Corrado RM 9 915 22907
San Vito Romano RM 9 3273 26180
Mandela RM 9 917 27097
San Polo dei Cavalieri RM 10 2992 30089
Marano Equo RM 10 779 30868
Rocca Santo Stefano RM 10 975 31843
Canterano RM 10 351 32194
Tivoli RM 10 56533 88727
Agosta RM 10 1765 90492
Capranica Prenestina RM 10 351 90843
Roviano RM 11 1351 92194
Roccagiovine RM 11 263 92457
Castel San Pietro Romano RM 12 902 93359
Rocca di Cave RM 12 377 93736
Gallicano nel Lazio RM 12 6334 100070
Cineto Romano RM 12 601 100671
Bellegra RM 12 2887 103558
Marcellina RM 12 7280 110838
Palestrina RM 12 21672 132510
Cervara di Roma RM 13 455 132965
Arsoli RM 13 1586 134551
Olevano Romano RM 14 6687 141238
Genazzano RM 14 6036 147274
Licenza RM 14 1011 148285
Riofreddo RM 14 781 149066
Zagarolo RM 14 17843 166909
Cave RM 15 11287 178196
Roiate RM 15 737 178933
Oricola AQ 15 1244 180177
Rocca di Botte AQ 15 856 181033
Subiaco RM 15 9074 190107
Percile RM 16 255 190362
Vallinfreda RM 16 283 190645
Affile RM 17 1548 192193
Guidonia Montecelio RM 17 88673 280866
San Cesareo RM 17 15153 296019
Camerata Nuova RM 18 447 296466
Arcinazzo Romano RM 18 1348 297814
Palombara Sabina RM 18 13269 311083
Vivaro Romano RM 18 182 311265
Labico RM 18 6379 317644
Colonna RM 19 4287 321931
Serrone FR 19 3099 325030
Valmontone RM 19 15959 340989
Monteflavio RM 19 1348 342337
Pereto AQ 19 682 343019
Sant'Angelo Romano RM 19 5018 348037
Paliano FR 20 8281 356318

Municipalities with at least 50000 inhabitants

An earthquake occurred to
10 Km E of Tivoli (56533 inhabitants)
17 Km E of Guidonia Montecelio (88673 inhabitants)
32 Km NE of Velletri (53303 inhabitants)
37 Km E of Roma (2864731 inhabitants)
45 Km NE of Aprilia (73446 inhabitants)
46 Km NE of Pomezia (62966 inhabitants)
54 Km N of Latina (125985 inhabitants)
60 Km E of Fiumicino (78395 inhabitants)
60 Km SW of L'Aquila (69753 inhabitants)
61 Km NE of Anzio (54211 inhabitants)
72 Km SE of Terni (111501 inhabitants)
85 Km SE of Viterbo (67173 inhabitants)
94 Km E of Civitavecchia (52991 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 2023-06-24
02:50:24
41.9502 12.9188 9 2023-06-24
02:59:26
Sala Sismica INGV-Roma 118680141
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-06-24 02:50:24 ± 0.06
Latitude 41.9502 ± 0.0036
Longitude 12.9188 ± 0.0048
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 118680141

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 420
Semi-minor axis of confidence ellipse (meter) 383
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 227
Circular confidence region, given by single value of horizontal uncertainty (meter) 420.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 140
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.46495
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 118680141
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-06-24 02:59:26
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.POFI.HHZ. 2023-06-24T02:50:47.06 0.6 undecidable manual S 100
IV.GIUL.HHZ. 2023-06-24T02:50:41.25 0.6 undecidable manual S 147 51.6039 50 -0.02 47
IV.PTQR.HHE. 2023-06-24T02:50:38.32 0.6 undecidable manual S 79 40.5261 50 0.01 48
IV.GUAR.HNN. 2023-06-24T02:50:37.15 0.6 undecidable manual S 118 36.8298 50 -0.17 46
IV.RDP.HNE. 2023-06-24T02:50:35.56 3.0 undecidable manual S 27.1506 1.09 0
IV.GIUL.HHZ. 2023-06-24T02:50:33.93 0.6 negative manual P 147 51.6039 50 -0.27 44
IV.RMP.HHE. 2023-06-24T02:50:33.30 0.6 undecidable manual S 229 23.3544 111 0.08 49
IV.GUAR.HNN. 2023-06-24T02:50:32.26 0.1 undecidable manual P 118 36.8298 50 0.34 90
IV.PTQR.HHE. 2023-06-24T02:50:32.36 0.1 undecidable manual P 79 40.5261 50 -0.13 93
IV.RDP.HNE. 2023-06-24T02:50:31.75 3.0 undecidable manual P 27.1506 1.47 0
IV.VIVA.HHE. 2023-06-24T02:50:31.37 3.0 undecidable manual P 25.3524 1.44 0
IV.MTCE.HHZ. 2023-06-24T02:50:30.91 0.6 undecidable manual S 299 16.6722 118 -0.17 48
IV.RMP.HHE. 2023-06-24T02:50:29.70 1.0 undecidable manual P 229 23.3544 111 0.14 24
IV.RCAV.EHZ. 2023-06-24T02:50:29.43 0.6 undecidable manual S 169 11.5773 127 -0.19 48
IV.CERT.HHZ. 2023-06-24T02:50:28.00 0.6 undecidable manual S 91 5.1948 150 -0.11 50
IV.MTCE.HHZ. 2023-06-24T02:50:28.34 0.1 undecidable manual P 299 16.6722 118 0.02 99
IV.RCAV.EHZ. 2023-06-24T02:50:27.50 0.1 undecidable manual P 169 11.5773 127 0.03 100
IV.CERT.HHZ. 2023-06-24T02:50:26.75 0.1 negative manual P 91 5.1948 150 0.15 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CERT.HHE. ML:1.6 0.0006585 0.72 AML other m 2023-06-24T02:50:28.48
IV.CERT.HNE. ML:1.9 0.00151 0.96 AML other m 2023-06-24T02:50:28.97
IV.CERT.HHN. ML:1.7 0.0008845000000000001 0.4 AML other m 2023-06-24T02:50:28.87
IV.CERT.HNN. ML:1.6 0.0007605 0.4 AML other m 2023-06-24T02:50:28.67
IV.RCAV.EHE. ML:1.4 0.000308 0.66 AML other m 2023-06-24T02:50:29.88
IV.RCAV.EHN. ML:1.4 0.00029049999999999996 0.38 AML other m 2023-06-24T02:50:31.24
IV.MTCE.HHE. ML:1.1 0.00010855000000000001 0.78 AML other m 2023-06-24T02:50:31.14
IV.MTCE.HHN. ML:1.0 0.00009095 0.66 AML other m 2023-06-24T02:50:31.72
IV.POFI.HHN. ML:1.0 0.0000136 1.08 AML other m 2023-06-24T02:50:52.81
IV.POFI.HHE. ML:1.0 0.000015899999999999997 0.58 AML other m 2023-06-24T02:50:53.73
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