Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 06-02-2019 and time 23:06:17 (Italy) in region 4 km SE Lanuvio (RM)

A magnitude ML 1.7 earthquake occured in region: 4 km SE Lanuvio (RM), on

  • 06-02-2019 22:06:17 (UTC)
  • 06-02-2019 23:06:17 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.6460, 12.7310 at 9 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
Lanuvio RM 5 13632 13632
Velletri RM 6 53303 66935
Genzano di Roma RM 8 23970 90905
Nemi RM 9 1943 92848
Aprilia LT 9 73446 166294
Ariccia RM 10 19407 185701
Cisterna di Latina LT 10 36868 222569
Albano Laziale RM 11 41715 264284
Lariano RM 13 13432 277716
Castel Gandolfo RM 13 8997 286713
Rocca di Papa RM 13 17034 303747
Marino RM 15 43026 346773
Cori LT 15 11065 357838
Ardea RM 16 49183 407021
Rocca Massima LT 16 1136 408157
Grottaferrata RM 17 20327 428484
Rocca Priora RM 17 11962 440446
Monte Compatri RM 18 11978 452424
Frascati RM 18 22087 474511
Artena RM 19 14276 488787
Monte Porzio Catone RM 19 8693 497480
Pomezia RM 19 62966 560446

Municipalities with at least 50000 inhabitants

An earthquake occurred to
6 Km SW of Velletri (53303 inhabitants)
9 Km NE of Aprilia (73446 inhabitants)
19 Km E of Pomezia (62966 inhabitants)
23 Km NE of Anzio (54211 inhabitants)
24 Km NW of Latina (125985 inhabitants)
34 Km SE of Roma (2864731 inhabitants)
36 Km S of Tivoli (56533 inhabitants)
40 Km S of Guidonia Montecelio (88673 inhabitants)
43 Km E of Fiumicino (78395 inhabitants)
92 Km SE of Civitavecchia (52991 inhabitants)
96 Km SW of L'Aquila (69753 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 1.7 2019-02-06
22:06:17		 41.6457 12.7308 9 2019-08-22
08:24:49		 Bollettino Sismico Italiano INGV 65326501
Reviewed
Rev100 		ML 2.0 2019-02-06
22:06:18		 41.6442 12.7363 9 2019-02-06
22:12:03		 Sala Sismica INGV-Roma 65296241
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-02-06 22:06:17 ± 0.12
Latitude 41.6457 ± 0.0054
Longitude 12.7308 ± 0.0084
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 65326501

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 780
Semi-minor axis of confidence ellipse (meter) 368
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 241
Circular confidence region, given by single value of horizontal uncertainty (meter) 780.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 188
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.04047
Epicentral distance of station farthest from the epicenter (degree) 0.40110
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.5
Num. used stations 14
Type of magnitude ML
Reference to an origin 65326501
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-05-09 14:32:41

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 65296241
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-02-06 22:12:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GIUL.HHZ. 2019-02-06T22:06:32.48 0.3 undecidable manual S 102 44.5221 50 -0.11 70
IV.MTCE.HHZ. 2019-02-06T22:06:31.66 1.0 undecidable manual S 1 41.8248 50 -0.22 23
IV.CERT.HHZ. 2019-02-06T22:06:31.29 0.3 undecidable manual S 32 39.5271 50 0.03 72
IV.RCAV.EHE. 2019-02-06T22:06:28.26 0.3 undecidable manual S 38 28.5492 108 0.04 73
IV.LATB.EHZ. 2019-02-06T22:06:27.03 0.3 undecidable manual S 131 25.5522 110 -0.19 72
IV.GIUL.HHZ. 2019-02-06T22:06:26.09 0.1 undecidable manual P 102 44.5221 50 -0.25 91
IV.CERT.HHZ. 2019-02-06T22:06:25.21 0.3 undecidable manual P 32 39.5271 50 -0.37 67
IV.MTCE.HHZ. 2019-02-06T22:06:25.97 0.3 undecidable manual P 1 41.8248 50 0.03 72
IV.RMP.HHZ. 2019-02-06T22:06:24.85 0.3 undecidable manual S 353 18.4704 116 -0.12 73
IV.SAMA.HHZ. 2019-02-06T22:06:24.94 0.6 undecidable manual S 323 18.87 116 -0.14 49
IV.MA9.HHN. 2019-02-06T22:06:24.10 0.3 undecidable manual S 337 14.9739 121 0.2 73
IV.RCAV.EHE. 2019-02-06T22:06:24.23 0.3 undecidable manual P 38 28.5492 108 0.41 68
IV.LATB.EHZ. 2019-02-06T22:06:23.62 0.1 undecidable manual P 131 25.5522 110 0.37 92
IV.RDP.HHZ. 2019-02-06T22:06:23.20 0.3 undecidable manual S 352 12.876 125 -0.07 75
IV.ROM9.HNE. 2019-02-06T22:06:23.73 0.3 undecidable manual P 319 26.9508 109 0.2 71
IV.RMP.HHZ. 2019-02-06T22:06:22.38 0.1 undecidable manual P 353 18.4704 116 0.44 92
IV.VIVA.HHZ. 2019-02-06T22:06:22.75 0.3 undecidable manual S 16 12.0768 127 -0.3 71
IV.RDP.HHZ. 2019-02-06T22:06:21.19 0.1 positive manual P 352 12.876 125 0.22 97
IV.SAMA.HHZ. 2019-02-06T22:06:21.65 0.3 undecidable manual P 323 18.87 116 -0.36 70
IV.MA9.HHN. 2019-02-06T22:06:21.39 0.3 undecidable manual P 337 14.9739 121 0.06 75
IV.LAV9.HNZ. 2019-02-06T22:06:20.58 0.3 undecidable manual S 323 4.4955 154 -0.75 63
IV.VIVA.HHZ. 2019-02-06T22:06:20.95 0.1 undecidable manual P 16 12.0768 127 0.11 99
IV.LAV9.HNZ. 2019-02-06T22:06:19.98 0.1 positive manual P 323 4.4955 154 0.14 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LAV9.HHN. ML:2.1 0.002470874 0.1152 AML other m 2019-02-06T22:06:22.28
IV.LAV9.HHE. ML:2.3 0.0034085625000000006 0.128 AML other m 2019-02-06T22:06:21.98
IV.LAV9.HNE. ML:2.2 0.0032508855 1.8848 AML other m 2019-02-06T22:06:22.00
IV.LAV9.HNN. ML:2.2 0.0028035755 0.2048 AML other m 2019-02-06T22:06:21.31
IV.VIVA.HHE. ML:1.7 0.0006012147 0.1536 AML other m 2019-02-06T22:06:24.25
IV.VIVA.HHN. ML:1.6 0.0005196766 0.1792 AML other m 2019-02-06T22:06:24.07
IV.RDP.HHN. ML:2.1 0.001312816 0.2432 AML other m 2019-02-06T22:06:23.98
IV.RDP.HHE. ML:1.9 0.0008632159500000001 0.2816 AML other m 2019-02-06T22:06:23.48
IV.RMP.HHE. ML:1.4 0.0001795401 0.1536 AML other m 2019-02-06T22:06:26.41
IV.RMP.HHN. ML:1.4 0.0002026768 0.256 AML other m 2019-02-06T22:06:27.01
IV.CERT.HHN. ML:0.6 0.0000169315285 0.1664 AML other m 2019-02-06T22:06:33.52
IV.CERT.HHE. ML:0.8 0.000026657075 0.1536 AML other m 2019-02-06T22:06:34.19
IV.GIUL.HHN. ML:0.9 0.00002370376 0.1792 AML other m 2019-02-06T22:06:33.02
IV.GIUL.HHE. ML:1.1 0.000039095075 0.192 AML other m 2019-02-06T22:06:33.05
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