Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 24-12-2018 and time 03:09:10 (UTC) in region 3 km SW Genzano di Roma (RM)

A magnitude ML 2.0 earthquake occured in region: 3 km SW Genzano di Roma (RM), on

  • 24-12-2018 03:09:10 (UTC)
  • 24-12-2018 04:09:10 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.6940, 12.6620 at 14 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.

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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
Genzano di Roma RM 3 23970 23970
Ariccia RM 3 19407 43377
Lanuvio RM 4 13632 57009
Albano Laziale RM 4 41715 98724
Nemi RM 5 1943 100667
Castel Gandolfo RM 6 8997 109664
Marino RM 9 43026 152690
Rocca di Papa RM 9 17034 169724
Velletri RM 10 53303 223027
Grottaferrata RM 11 20327 243354
Aprilia LT 11 73446 316800
Frascati RM 13 22087 338887
Ciampino RM 13 38412 377299
Ardea RM 13 49183 426482
Pomezia RM 14 62966 489448
Rocca Priora RM 14 11962 501410
Monte Compatri RM 14 11978 513388
Monte Porzio Catone RM 14 8693 522081
Lariano RM 15 13432 535513
Colonna RM 17 4287 539800
Cisterna di Latina LT 18 36868 576668
San Cesareo RM 18 15153 591821

Municipalities with at least 50000 inhabitants

An earthquake occurred to
10 Km W of Velletri (53303 inhabitants)
11 Km N of Aprilia (73446 inhabitants)
14 Km E of Pomezia (62966 inhabitants)
27 Km SE of Roma (2864731 inhabitants)
27 Km N of Anzio (54211 inhabitants)
32 Km SW of Tivoli (56533 inhabitants)
32 Km NW of Latina (125985 inhabitants)
35 Km S of Guidonia Montecelio (88673 inhabitants)
36 Km E of Fiumicino (78395 inhabitants)
85 Km SE of Civitavecchia (52991 inhabitants)
93 Km SE of Viterbo (67173 inhabitants)
95 Km SW of L'Aquila (69753 inhabitants)
97 Km S of Terni (111501 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 2.0 2018-12-24
03:09:10		 41.694 12.6625 14 2019-06-04
09:16:05		 Bollettino Sismico Italiano INGV 64498091
Reviewed
Rev100 		ML 2.3 2018-12-24
03:09:10		 41.689 12.6678 12 2018-12-24
03:22:45		 Sala Sismica INGV-Roma 64142081
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-12-24 03:09:10 ± 0.09
Latitude 41.6940 ± 0.0054
Longitude 12.6625 ± 0.0048
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 64498091

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 560
Semi-minor axis of confidence ellipse (meter) 325
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 219
Circular confidence region, given by single value of horizontal uncertainty (meter) 560.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 175
Number of associated phases, regardless of their use for origin computation 39
Number of defining phases 37
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.88763
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 19
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.5
Num. used stations 22
Type of magnitude ML
Reference to an origin 64498091
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-01-04 10:05:51

ML:2.3

Field Value
Value 2.3
Uncertainty 0.4
Num. used stations 16
Type of magnitude ML
Reference to an origin 64142081
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-12-24 03:22:45
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.POFI.HHZ. 2018-12-24T03:09:35.98 0.6 undecidable manual S 88 86.9463 92 0.25 41
IV.VVLD.HHE. 2018-12-24T03:09:34.64 1.0 undecidable manual S 76 81.8514 92 0.28 21
IV.LRP.EHZ. 2018-12-24T03:09:33.44 0.6 undecidable manual S 94 76.7676 92 0.44 41
IV.FIAM.HNE. 2018-12-24T03:09:32.40 0.6 undecidable manual S 30 73.8705 92 0.16 44
IV.TOLF.HHZ. 2018-12-24T03:09:31.13 1.0 undecidable manual S 307 68.376 92 0.35 21
IV.PTQR.HHZ. 2018-12-24T03:09:31.89 0.6 undecidable manual S 59 70.9734 92 0.42 41
IV.GUAR.HHN. 2018-12-24T03:09:27.08 0.3 undecidable manual S 78 54.9006 93 -0.1 69
IV.ARRO.EHZ. 2018-12-24T03:09:26.99 1.0 undecidable manual P 5 98.5236 92 0.33 20
IV.GIUL.HHZ. 2018-12-24T03:09:26.53 0.3 undecidable manual S 107 51.3153 94 0.3 66
IV.POFI.HHZ. 2018-12-24T03:09:24.62 0.1 positive manual P 88 86.9463 92 -0.25 84
IV.VVLD.HHE. 2018-12-24T03:09:23.88 0.1 undecidable manual P 76 81.8514 92 -0.2 85
IV.LRP.EHZ. 2018-12-24T03:09:23.30 0.1 undecidable manual P 94 76.7676 92 0 89
IV.PTQR.HHZ. 2018-12-24T03:09:22.02 0.1 undecidable manual P 59 70.9734 92 -0.4 83
IV.TOLF.HHZ. 2018-12-24T03:09:22.50 0.1 undecidable manual P 307 68.376 92 0.49 83
IV.CERT.HHZ. 2018-12-24T03:09:22.79 0.3 undecidable manual S 43 38.7279 95 -0.07 71
IV.FIAM.HNE. 2018-12-24T03:09:22.69 0.1 undecidable manual P 30 73.8705 92 -0.17 87
IV.LATB.EHE. 2018-12-24T03:09:21.16 0.3 undecidable manual S 132 33.3444 97 -0.28 69
IT.RMVT.HGN. 2018-12-24T03:09:21.96 3.0 undecidable manual S 0.35 0
IV.RCAV.EHZ. 2018-12-24T03:09:20.55 0.3 undecidable manual S 54 28.9488 99 0.28 69
IV.GIUL.HHZ. 2018-12-24T03:09:19.21 0.1 positive manual P 107 51.3153 94 -0.18 91
IV.GUAR.HHN. 2018-12-24T03:09:19.74 0.1 undecidable manual P 78 54.9006 93 -0.2 90
IV.ROM9.HNE. 2018-12-24T03:09:17.45 0.6 undecidable manual S 321 19.2696 108 -0.3 46
IT.RMVT.HGN. 2018-12-24T03:09:17.34 3.0 undecidable manual P 0.52 0
IV.CERT.HHZ. 2018-12-24T03:09:17.35 0.1 undecidable manual P 43 38.7279 95 -0.1 94
IV.RMP.HHZ. 2018-12-24T03:09:16.21 0.3 undecidable manual S 14 13.3755 122 -0.13 73
IV.RCAV.EHZ. 2018-12-24T03:09:16.09 0.1 undecidable manual P 54 28.9488 99 0.14 95
IV.LATB.EHE. 2018-12-24T03:09:16.44 0.1 undecidable manual P 132 33.3444 97 -0.19 94
IV.SAMA.HHZ. 2018-12-24T03:09:15.71 0.3 undecidable manual S 329 11.1777 129 -0.15 73
IV.RDP.HHZ. 2018-12-24T03:09:15.02 0.3 undecidable manual S 28 8.3805 140 -0.3 72
IV.VIVA.HHZ. 2018-12-24T03:09:15.71 0.3 undecidable manual S 55 10.878 130 -0.08 75
IV.LAV9.HNZ. 2018-12-24T03:09:14.63 0.3 undecidable manual S 121 3.4965 162 -0.05 76
IV.MA9.HHZ. 2018-12-24T03:09:14.76 0.3 undecidable manual S 358 8.3805 140 -0.56 66
IV.ROM9.HNE. 2018-12-24T03:09:14.57 0.6 undecidable manual P 321 19.2696 108 0.07 49
IV.VIVA.HHZ. 2018-12-24T03:09:13.73 0.1 positive manual P 55 10.878 130 0.37 93
IV.RMP.HHZ. 2018-12-24T03:09:13.87 0.1 negative manual P 14 13.3755 122 0.19 97
IV.MA9.HHZ. 2018-12-24T03:09:13.05 0.1 negative manual P 358 8.3805 140 -0.04 100
IV.SAMA.HHZ. 2018-12-24T03:09:13.81 0.1 positive manual P 329 11.1777 129 0.41 93
IV.RDP.HHZ. 2018-12-24T03:09:13.20 0.1 negative manual P 28 8.3805 140 0.11 99
IV.LAV9.HNZ. 2018-12-24T03:09:12.95 0.1 positive manual P 121 3.4965 162 0.23 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RDP.HHE. ML:2.1 0.0015358648500000001 0.4 AML other m 2018-12-24T03:09:15.33
IV.RDP.HHN. ML:2.1 0.001484681 0.16 AML other m 2018-12-24T03:09:15.63
IV.SAMA.HHN. ML:2.2 0.0014069764999999998 0.16 AML other m 2018-12-24T03:09:16.48
IV.SAMA.HHE. ML:2.3 0.0020507144999999997 0.1184 AML other m 2018-12-24T03:09:16.44
IV.LAV9.HNN. ML:2.7 0.006604611 0.2496 AML other m 2018-12-24T03:09:16.55
IV.RMP.HHE. ML:2.4 0.0025380285 0.0992 AML other m 2018-12-24T03:09:16.52
IV.RMP.HHN. ML:2.4 0.0020127164999999996 0.1184 AML other m 2018-12-24T03:09:16.58
IV.LAV9.HHE. ML:2.6 0.005704214 0.1808 AML other m 2018-12-24T03:09:16.50
IV.LAV9.HNE. ML:2.6 0.005430618000000001 0.1696 AML other m 2018-12-24T03:09:16.51
IV.VIVA.HHE. ML:2.6 0.0036788635 0.36 AML other m 2018-12-24T03:09:16.65
IV.VIVA.HHN. ML:2.7 0.0054874275 0.2608 AML other m 2018-12-24T03:09:18.93
IV.RCAV.EHN. ML:1.6 0.00017928335 0.2208 AML other m 2018-12-24T03:09:22.13
IV.RCAV.EHE. ML:1.4 0.0001254913 0.24 AML other m 2018-12-24T03:09:22.99
IV.GIUL.HHE. ML:1.4 0.000060972895 0.2 AML other m 2018-12-24T03:09:27.98
IV.GIUL.HHN. ML:1.4 0.000055750124999999995 0.1216 AML other m 2018-12-24T03:09:28.29
IV.LAV9.HHN. ML:2.7 0.007098625 0.24 AML other m 2018-12-24T03:09:16.67
IV.CERT.HHN. ML:1.2 0.000052866495 0.2208 AML other m 2018-12-24T03:09:25.08
IV.CERT.HHE. ML:1.4 0.000078553725 0.24 AML other m 2018-12-24T03:09:26.93
IV.TOLF.HHN. ML:1.2 0.000024380225 0.32 AML other m 2018-12-24T03:09:34.43
IV.TOLF.HHE. ML:1.1 0.00001815905 0.2 AML other m 2018-12-24T03:09:33.08
IV.ARRO.EHE. ML:1.3 0.00002146266 0.28 AML other m 2018-12-24T03:09:43.07
IV.ARRO.EHN. ML:1.3 0.000022251044999999997 0.24 AML other m 2018-12-24T03:09:43.23
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
Waveforms Seismic signals in miniseed + resp format Download