Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 11-11-2019 and time 23:04:03 (Italy) in region 4 km NE Colonna (RM)

A magnitude ML 1.6 earthquake occured in region: 4 km NE Colonna (RM), on

  • 11-11-2019 22:04:03 (UTC)
  • 11-11-2019 23:04:03 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.8670, 12.7690 at 10 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
Colonna RM 4 4287 4287
Gallicano nel Lazio RM 5 6334 10621
San Cesareo RM 6 15153 25774
Zagarolo RM 6 17843 43617
Monte Compatri RM 7 11978 55595
Monte Porzio Catone RM 7 8693 64288
Rocca Priora RM 8 11962 76250
Frascati RM 10 22087 98337
San Gregorio da Sassola RM 10 1619 99956
Palestrina RM 11 21672 121628
Poli RM 11 2418 124046
Castel San Pietro Romano RM 11 902 124948
Casape RM 11 744 125692
Tivoli RM 11 56533 182225
Grottaferrata RM 12 20327 202552
Rocca di Papa RM 13 17034 219586
Labico RM 13 6379 225965
Marino RM 14 43026 268991
Cave RM 15 11287 280278
Castel Madama RM 15 7399 287677
Rocca di Cave RM 15 377 288054
Guidonia Montecelio RM 15 88673 376727
Capranica Prenestina RM 15 351 377078
Ciampino RM 16 38412 415490
Valmontone RM 16 15959 431449
Lariano RM 16 13432 444881
Castel Gandolfo RM 16 8997 453878
Pisoniano RM 17 770 454648
Nemi RM 17 1943 456591
San Polo dei Cavalieri RM 17 2992 459583
Genazzano RM 17 6036 465619
Albano Laziale RM 18 41715 507334
Marcellina RM 18 7280 514614
Ciciliano RM 18 1336 515950
San Vito Romano RM 18 3273 519223
Ariccia RM 18 19407 538630
Artena RM 19 14276 552906
Genzano di Roma RM 19 23970 576876
Fonte Nuova RM 19 32562 609438
Sant'Angelo Romano RM 19 5018 614456
Sambuci RM 19 925 615381
Vicovaro RM 19 4019 619400
Cerreto Laziale RM 20 1118 620518
Velletri RM 20 53303 673821

Municipalities with at least 50000 inhabitants

An earthquake occurred to
11 Km S of Tivoli (56533 inhabitants)
15 Km S of Guidonia Montecelio (88673 inhabitants)
20 Km N of Velletri (53303 inhabitants)
24 Km E of Roma (2864731 inhabitants)
31 Km NE of Pomezia (62966 inhabitants)
32 Km NE of Aprilia (73446 inhabitants)
45 Km E of Fiumicino (78395 inhabitants)
46 Km N of Latina (125985 inhabitants)
48 Km N of Anzio (54211 inhabitants)
75 Km SW of L'Aquila (69753 inhabitants)
78 Km S of Terni (111501 inhabitants)
82 Km SE of Viterbo (67173 inhabitants)
84 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
Bulletin
Rev1000 		ML 1.6 2019-11-11
22:04:03		 41.867 12.7688 10 2020-02-28
16:42:05		 Bollettino Sismico Italiano INGV 73829441
Reviewed
Rev100 		ML 1.7 2019-11-11
22:04:03		 41.8732 12.7623 11 2019-11-11
22:13:27		 Sala Sismica INGV-Roma 73791581
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-11-11 22:04:03 ± 0.04
Latitude 41.8670 ± 0.0027
Longitude 12.7688 ± 0.0036
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 73829441

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 291
Semi-minor axis of confidence ellipse (meter) 268
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 152
Circular confidence region, given by single value of horizontal uncertainty (meter) 290.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 52
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 34
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) 0.07464
Epicentral distance of station farthest from the epicenter (degree) 0.71136
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 19
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.4
Num. used stations 16
Type of magnitude ML
Reference to an origin 73829441
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-11-28 10:33:37

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 9
Type of magnitude ML
Reference to an origin 73791581
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-11-11 22:13:27
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GIUL.HHZ. 2019-11-11T22:04:20.10 0.3 undecidable manual S 130 52.8027 50 0.03 71
IV.PTQR.HHZ. 2019-11-11T22:04:20.70 0.3 undecidable manual S 72 54.9006 50 0.08 70
IV.FIAM.HHZ. 2019-11-11T22:04:19.70 0.6 undecidable manual S 33 52.9026 50 -0.4 44
IV.LATB.EHE. 2019-11-11T22:04:17.70 0.3 undecidable manual S 159 44.4222 50 -0.12 71
IV.GUAR.HNN. 2019-11-11T22:04:17.80 0.3 undecidable manual S 100 45.621 50 -0.36 67
IT.MMP1.HGE. 2019-11-11T22:04:17.50 0.6 undecidable manual S 358 42.4242 50 0.2 46
IT.CSO1.HGZ. 2019-11-11T22:04:16.10 0.3 undecidable manual S 45 36.9297 50 0.26 69
IV.ARRO.EHZ. 2019-11-11T22:04:16.97 0.1 undecidable manual P 360 78.9654 50 -0.05 90
IV.BARO.HNZ. 2019-11-11T22:04:15.93 0.1 undecidable manual P 306 72.6717 50 -0.11 90
IV.TOLF.HHN. 2019-11-11T22:04:15.57 0.1 undecidable manual P 289 67.0773 50 0.4 85
IV.PTQR.HHZ. 2019-11-11T22:04:13.32 0.1 undecidable manual P 72 54.9006 50 0.02 94
IV.GUAR.HNN. 2019-11-11T22:04:12.08 0.1 undecidable manual P 100 45.621 50 0.2 92
IV.FIAM.HHZ. 2019-11-11T22:04:12.96 0.1 undecidable manual P 33 52.9026 50 -0.04 94
IV.GIUL.HHZ. 2019-11-11T22:04:12.85 0.1 undecidable manual P 130 52.8027 50 -0.13 93
IV.LATB.EHE. 2019-11-11T22:04:11.32 0.1 positive manual P 159 44.4222 50 -0.36 90
IT.MMP1.HGE. 2019-11-11T22:04:11.33 0.1 undecidable manual P 358 42.4242 50 -0.05 96
IV.MTCE.HHZ. 2019-11-11T22:04:10.00 0.3 undecidable manual S 353 17.4714 120 -0.27 72
IT.CSO1.HGZ. 2019-11-11T22:04:10.68 0.3 undecidable manual P 45 36.9297 50 0.14 71
IV.SAMA.EHE. 2019-11-11T22:04:10.10 0.3 undecidable manual S 237 17.4714 120 -0.18 73
IV.CERT.HHZ. 2019-11-11T22:04:10.60 0.3 undecidable manual S 63 19.7691 117 -0.39 70
IV.VIVA.HHZ. 2019-11-11T22:04:09.20 0.3 undecidable manual S 179 12.9759 128 0.23 73
IV.RCAV.EHZ. 2019-11-11T22:04:09.50 0.3 undecidable manual S 98 14.7741 124 0.02 76
IV.LAV9.HNZ. 2019-11-11T22:04:08.08 1.0 undecidable manual P 195 21.7671 115 -0.01 25
IV.MA9.HHE. 2019-11-11T22:04:08.90 0.3 undecidable manual S 220 14.0748 125 -0.4 70
IV.RDP.HHZ. 2019-11-11T22:04:08.90 0.3 undecidable manual S 202 12.7761 128 -0.03 76
IV.RCAV.EHZ. 2019-11-11T22:04:07.16 0.1 undecidable manual P 98 14.7741 124 0.29 96
IV.MTCE.HHZ. 2019-11-11T22:04:07.41 0.1 positive manual P 353 17.4714 120 0.09 99
IV.RMP.HHZ. 2019-11-11T22:04:07.60 0.3 undecidable manual S 222 8.2806 140 -0.21 74
IV.MA9.HHE. 2019-11-11T22:04:07.09 0.1 undecidable manual P 220 14.0748 125 0.34 95
IV.SAMA.EHE. 2019-11-11T22:04:07.10 0.1 undecidable manual P 237 17.4714 120 -0.22 97
IV.CERT.HHZ. 2019-11-11T22:04:07.77 0.1 positive manual P 63 19.7691 117 0.04 100
IV.RDP.HHZ. 2019-11-11T22:04:06.68 0.1 undecidable manual P 202 12.7761 128 0.13 99
IV.RMP.HHZ. 2019-11-11T22:04:06.04 0.1 positive manual P 222 8.2806 140 0.14 100
IV.VIVA.HHZ. 2019-11-11T22:04:06.82 0.1 positive manual P 179 12.9759 128 0.25 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RDP.HHN. ML:2.2 0.0018949410000000002 0.2432 AML other m 2019-11-11T22:04:10.59
IV.RDP.HHE. ML:2.0 0.0010192092000000002 0.4608 AML other m 2019-11-11T22:04:11.69
IV.VIVA.HHE. ML:2.2 0.0016259725 0.2816 AML other m 2019-11-11T22:04:13.85
IV.VIVA.HHN. ML:2.0 0.0010672225 0.3712 AML other m 2019-11-11T22:04:15.26
IV.RCAV.EHE. ML:1.4 0.0002365135 0.32 AML other m 2019-11-11T22:04:11.14
IV.RCAV.EHN. ML:1.5 0.0003058381 0.2048 AML other m 2019-11-11T22:04:10.36
IV.MTCE.HHN. ML:1.6 0.00033606924999999996 0.32 AML other m 2019-11-11T22:04:10.64
IV.MTCE.HHE. ML:1.6 0.00031689355000000003 0.3072 AML other m 2019-11-11T22:04:10.69
IV.CERT.HHE. ML:1.5 0.00024790435 0.4224 AML other m 2019-11-11T22:04:12.88
IV.CERT.HHN. ML:1.2 0.00012658645000000003 0.2176 AML other m 2019-11-11T22:04:11.58
IV.FIAM.HHE. ML:1.1 0.00003100363 2.048 AML other m 2019-11-11T22:04:36.21
IV.FIAM.HNE. ML:3.3 0.00462238 1.2672 AML other m 2019-11-11T22:04:32.71
IV.FIAM.HHN. ML:0.9 0.000020700475 0.4096 AML other m 2019-11-11T22:04:29.88
IV.FIAM.HNN. ML:1.8 0.00014799125 1.3056 AML other m 2019-11-11T22:04:20.55
IV.ARRO.EHE. ML:1.5 0.00004387923 7.0784 AML other m 2019-11-11T22:04:41.61
IV.ARRO.EHN. ML:1.6 0.000050914175 2.9184 AML other m 2019-11-11T22:04:38.61
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