Earthquake with magnitude of ML 1.7 on date 02-10-2023 and time 10:03:26 (Italy) in region 3 km NE Casape (RM)

A magnitude ML 1.7 earthquake occured in region: 3 km NE Casape (RM), on

  • 02-10-2023 08:03:26 (UTC)
  • 02-10-2023 10:03:26 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.9220, 12.9120 at 11 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
Casape RM 3 744 744
San Gregorio da Sassola RM 3 1619 2363
Poli RM 4 2418 4781
Pisoniano RM 4 770 5551
Ciciliano RM 5 1336 6887
Cerreto Laziale RM 6 1118 8005
Gerano RM 7 1263 9268
Castel Madama RM 7 7399 16667
Capranica Prenestina RM 7 351 17018
San Vito Romano RM 7 3273 20291
Sambuci RM 8 925 21216
Castel San Pietro Romano RM 9 902 22118
Rocca di Cave RM 9 377 22495
Palestrina RM 9 21672 44167
Gallicano nel Lazio RM 9 6334 50501
Rocca Santo Stefano RM 9 975 51476
Saracinesco RM 10 185 51661
Rocca Canterano RM 10 196 51857
Tivoli RM 10 56533 108390
Vicovaro RM 11 4019 112409
Bellegra RM 11 2887 115296
Canterano RM 11 351 115647
Genazzano RM 11 6036 121683
Zagarolo RM 11 17843 139526
Cave RM 12 11287 150813
San Polo dei Cavalieri RM 12 2992 153805
Anticoli Corrado RM 12 915 154720
Marano Equo RM 12 779 155499
Agosta RM 12 1765 157264
Olevano Romano RM 12 6687 163951
Mandela RM 12 917 164868
Roviano RM 14 1351 166219
Roiate RM 14 737 166956
Marcellina RM 14 7280 174236
Roccagiovine RM 14 263 174499
San Cesareo RM 14 15153 189652
Cervara di Roma RM 15 455 190107
Cineto Romano RM 15 601 190708
Labico RM 15 6379 197087
Subiaco RM 16 9074 206161
Arsoli RM 16 1586 207747
Affile RM 16 1548 209295
Valmontone RM 16 15959 225254
Colonna RM 16 4287 229541
Licenza RM 17 1011 230552
Riofreddo RM 17 781 231333
Arcinazzo Romano RM 17 1348 232681
Rocca di Botte AQ 17 856 233537
Guidonia Montecelio RM 18 88673 322210
Oricola AQ 18 1244 323454
Serrone FR 18 3099 326553
Paliano FR 18 8281 334834
Rocca Priora RM 19 11962 346796
Monte Compatri RM 19 11978 358774
Percile RM 19 255 359029
Vallinfreda RM 19 283 359312
Camerata Nuova RM 20 447 359759
Monte Porzio Catone RM 20 8693 368452

Municipalities with at least 50000 inhabitants

An earthquake occurred to
10 Km E of Tivoli (56533 inhabitants)
18 Km SE of Guidonia Montecelio (88673 inhabitants)
28 Km NE of Velletri (53303 inhabitants)
36 Km E of Roma (2864731 inhabitants)
42 Km NE of Aprilia (73446 inhabitants)
44 Km NE of Pomezia (62966 inhabitants)
51 Km N of Latina (125985 inhabitants)
58 Km NE of Anzio (54211 inhabitants)
58 Km E of Fiumicino (78395 inhabitants)
62 Km SW of L'Aquila (69753 inhabitants)
74 Km S of Terni (111501 inhabitants)
86 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 1.7 2023-10-02
08:03:26
41.9225 12.9122 11 2023-10-02
08:18:25
Sala Sismica INGV-Roma 121667981
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-10-02 08:03:26 ± 0.15
Latitude 41.9225 ± 0.0126
Longitude 12.9122 ± 0.0121
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 121667981

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1409
Semi-minor axis of confidence ellipse (meter) 959
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 20
Circular confidence region, given by single value of horizontal uncertainty (meter) 1410.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 148
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.37592
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 6
Magnitude information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 4
Type of magnitude ML
Reference to an origin 121667981
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-10-02 08:18:25
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CAVT.HHZ. 2023-10-02T08:05:19.91 3.0 undecidable manual Sn -2.35 0
IV.SARZ.HNZ. 2023-10-02T08:05:18.80 3.0 undecidable manual Sn -4.33 0
IV.HPAC.HHZ. 2023-10-02T08:04:59.72 3.0 undecidable manual Pg 14.61 0
CR.STON.BHZ. 2023-10-02T08:04:58.26 3.0 undecidable manual Sn 0.44 0
IV.SPS2.HHZ. 2023-10-02T08:04:55.57 3.0 undecidable manual Sn -6.68 0
IV.SARZ.HNZ. 2023-10-02T08:04:44.75 3.0 undecidable manual Pg 14.18 0
OX.AGOR.HHZ. 2023-10-02T08:04:35.14 3.0 undecidable manual Pg 3.8 0
IV.GIZZ.HHZ. 2023-10-02T08:04:26.89 3.0 negative manual Pg 5.48 0
IV.SIRI.HHZ. 2023-10-02T08:04:09.64 3.0 negative manual Pg 3.22 0
IV.MCRV.HHZ. 2023-10-02T08:03:54.33 3.0 undecidable manual Pg -1.12 0
IV.MRLC.HHZ. 2023-10-02T08:03:54.18 3.0 negative manual Pg -4.05 0
IV.MURB.HNZ. 2023-10-02T08:03:49.85 3.0 undecidable manual Pg -0.63 0
IV.SGTA.HHZ. 2023-10-02T08:03:49.09 3.0 undecidable manual Pg -5.15 0
IV.BSSO.HHZ. 2023-10-02T08:03:38.38 3.0 positive manual P -5.57 0
IV.PTQR.HHZ. 2023-10-02T08:03:35.08 1.0 undecidable manual P 75 41.7249 50 0.36 23
IV.MTCE.HHZ. 2023-10-02T08:03:34.23 1.0 undecidable manual S 308 17.871 121 0.13 25
IT.MMP1.HGN. 2023-10-02T08:03:34.14 0.1 undecidable manual P 340 38.628 50 -0.1 96
IV.SAMA.EHE. 2023-10-02T08:03:32.85 1.0 undecidable manual P 239 30.747 50 -0.18 24
IV.RDP.HNE. 2023-10-02T08:03:31.97 1.0 undecidable manual P 223 24.5532 50 -0.1 25
IV.MTCE.HHZ. 2023-10-02T08:03:31.22 1.0 undecidable manual P 308 17.871 121 0.19 24
IV.CERT.HHZ. 2023-10-02T08:03:30.83 0.6 undecidable manual S 63 6.4935 149 -0.38 48
IV.CERT.HHZ. 2023-10-02T08:03:29.55 0.1 positive manual P 63 6.4935 149 0.19 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CERT.HHN. ML:1.9 0.00125 1.68 AML other m 2023-10-02T08:03:30.10
IV.RCAV.EHN. ML:1.4 0.000359 0.32 AML other m 2023-10-02T08:03:32.51
IV.CERT.HHE. ML:1.8 0.0009613733 0.4608 AML other m 2023-10-02T08:03:31.58
IV.RCAV.EHE. ML:1.5 0.000376 0.9 AML other m 2023-10-02T08:03:33.38
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