Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 11-03-2019 and time 03:59:00 (Italy) in region Colonna (RM)

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

  • 11-03-2019 02:59:00 (UTC)
  • 11-03-2019 03:59:00 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.8380, 12.7480 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

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 0 4287 4287
Monte Compatri RM 3 11978 16265
Monte Porzio Catone RM 4 8693 24958
San Cesareo RM 5 15153 40111
Rocca Priora RM 5 11962 52073
Frascati RM 7 22087 74160
Zagarolo RM 7 17843 92003
Gallicano nel Lazio RM 7 6334 98337
Grottaferrata RM 9 20327 118664
Rocca di Papa RM 9 17034 135698
Marino RM 11 43026 178724
Palestrina RM 12 21672 200396
Castel San Pietro Romano RM 12 902 201298
Ciampino RM 13 38412 239710
Castel Gandolfo RM 13 8997 248707
Labico RM 13 6379 255086
Nemi RM 13 1943 257029
Poli RM 13 2418 259447
San Gregorio da Sassola RM 14 1619 261066
Casape RM 14 744 261810
Lariano RM 14 13432 275242
Albano Laziale RM 14 41715 316957
Ariccia RM 15 19407 336364
Tivoli RM 15 56533 392897
Genzano di Roma RM 15 23970 416867
Cave RM 15 11287 428154
Valmontone RM 16 15959 444113
Rocca di Cave RM 17 377 444490
Velletri RM 17 53303 497793
Capranica Prenestina RM 17 351 498144
Artena RM 18 14276 512420
Lanuvio RM 18 13632 526052
Guidonia Montecelio RM 18 88673 614725
Castel Madama RM 18 7399 622124
Genazzano RM 19 6036 628160
Pisoniano RM 19 770 628930

Municipalities with at least 50000 inhabitants

An earthquake occurred to
15 Km S of Tivoli (56533 inhabitants)
17 Km N of Velletri (53303 inhabitants)
18 Km S of Guidonia Montecelio (88673 inhabitants)
23 Km E of Roma (2864731 inhabitants)
28 Km NE of Pomezia (62966 inhabitants)
28 Km N of Aprilia (73446 inhabitants)
43 Km E of Fiumicino (78395 inhabitants)
43 Km NW of Latina (125985 inhabitants)
44 Km N of Anzio (54211 inhabitants)
79 Km SW of L'Aquila (69753 inhabitants)
81 Km S of Terni (111501 inhabitants)
84 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 2019-03-11
02:59:00		 41.8378 12.748 9 2019-08-22
08:24:52		 Bollettino Sismico Italiano INGV 66414781
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-03-11 02:59:00 ± 0.03
Latitude 41.8378 ± 0.0018
Longitude 12.7480 ± 0.0036
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 66414781

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 258
Semi-minor axis of confidence ellipse (meter) 161
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 272
Circular confidence region, given by single value of horizontal uncertainty (meter) 260.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 104
Number of associated phases, regardless of their use for origin computation 41
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.13
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.47035
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 13
Magnitude information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 11
Type of magnitude ML
Reference to an origin 66414781
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-03-11 17:39:34
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IT.ORP.HGZ. 2019-03-11T03:00:22.05 3.0 undecidable manual Sg 9.79 0
IV.MOCO.HHZ. 2019-03-11T03:00:17.04 3.0 undecidable manual Sg 7.38 0
IV.EPZF.HHZ. 2019-03-11T03:00:13.51 3.0 undecidable manual Pg 8.88 0
IV.MCRV.HHZ. 2019-03-11T03:00:13.52 3.0 undecidable manual Sn -2.24 0
IV.PAOL.HHZ. 2019-03-11T03:00:02.62 3.0 undecidable manual Sn -0.47 0
NI.VINO.HHZ. 2019-03-11T03:00:01.37 3.0 undecidable manual Pg 8.92 0
GU.RRL.HHZ. 2019-03-11T03:00:01.81 3.0 undecidable manual Pn 6.67 0
ST.OZOL.EHZ. 2019-03-11T02:59:57.14 3.0 negative manual Pg 4.9 0
IV.SACR.HHZ. 2019-03-11T02:59:53.88 3.0 undecidable manual Sn -7.73 0
IV.MFNL.HHZ. 2019-03-11T02:59:50.66 3.0 undecidable manual Pn -6.87 0
IV.MTGR.HHZ. 2019-03-11T02:59:48.59 3.0 positive manual Pn -7.19 0
IV.MMUR.HNZ. 2019-03-11T02:59:33.31 3.0 undecidable manual S -6.43 0
IV.VITU.HHZ. 2019-03-11T02:59:31.30 3.0 undecidable manual Pg 1.82 0
IV.GIUL.HHZ. 2019-03-11T02:59:17.20 1.0 undecidable manual S 126 52.2033 50 -0.1 23
IV.SRES.HHN. 2019-03-11T02:59:16.42 0.3 undecidable manual S 336 48.4182 50 0.13 68
IV.GUAR.HHN. 2019-03-11T02:59:15.66 1.0 undecidable manual S 96 46.9197 50 -0.23 22
IT.MMP1.HGE. 2019-03-11T02:59:15.65 0.3 undecidable manual S 0 45.621 50 0.1 69
IV.LATB.EHZ. 2019-03-11T02:59:14.52 0.3 undecidable manual S 155 42.1245 50 -0.09 70
IV.EL6.EHZ. 2019-03-11T02:59:13.97 3.0 undecidable manual P -2.39 0
IV.GIUL.HHZ. 2019-03-11T02:59:10.20 0.3 undecidable manual P 126 52.2033 50 0 70
IT.MMP1.HGE. 2019-03-11T02:59:09.13 0.6 undecidable manual P 0 45.621 50 -0.05 47
IV.SRES.HHN. 2019-03-11T02:59:09.49 1.0 undecidable manual P 336 48.4182 50 -0.12 23
IV.GUAR.HHN. 2019-03-11T02:59:09.45 0.3 undecidable manual P 96 46.9197 50 0.07 69
IV.CERT.HHZ. 2019-03-11T02:59:09.11 0.3 undecidable manual S 57 22.8549 112 0.05 73
IV.LATB.EHZ. 2019-03-11T02:59:08.63 0.3 undecidable manual P 155 42.1245 50 -0.01 71
IV.MTCE.HHZ. 2019-03-11T02:59:08.12 0.3 undecidable manual S 359 20.4684 114 -0.17 71
IV.LAV9.HHZ. 2019-03-11T02:59:07.37 0.3 undecidable manual S 193 18.2706 117 -0.21 71
IV.RCAV.EHZ. 2019-03-11T02:59:07.15 0.6 undecidable manual S 86 16.3725 119 0.15 48
IV.CERT.HHZ. 2019-03-11T02:59:05.37 0.1 undecidable manual P 57 22.8549 112 -0.07 97
IV.RDP.HHZ. 2019-03-11T02:59:05.04 0.3 undecidable manual S 200 9.1797 135 0.05 75
IV.VIVA.HHZ. 2019-03-11T02:59:05.42 0.3 undecidable manual S 169 9.879 133 0.24 72
IV.MA9.HHN. 2019-03-11T02:59:05.15 0.3 undecidable manual S 224 10.5783 131 -0.2 72
IV.MTCE.HHZ. 2019-03-11T02:59:04.99 0.1 undecidable manual P 359 20.4684 114 -0.01 98
IV.LAV9.HHZ. 2019-03-11T02:59:04.53 0.3 undecidable manual P 193 18.2706 117 -0.05 73
IV.RCAV.EHZ. 2019-03-11T02:59:04.01 0.3 undecidable manual P 86 16.3725 119 -0.24 71
IV.VIVA.HHZ. 2019-03-11T02:59:03.21 0.1 undecidable manual P 169 9.879 133 0.01 100
IV.RMP.HHZ. 2019-03-11T02:59:03.92 0.3 undecidable manual S 232 4.7952 152 -0.17 73
IV.MA9.HHN. 2019-03-11T02:59:03.29 0.3 undecidable manual P 224 10.5783 131 -0.01 75
IV.RDP.HHZ. 2019-03-11T02:59:03.42 0.1 undecidable manual P 200 9.1797 135 0.33 94
IV.RMP.HHZ. 2019-03-11T02:59:02.75 0.1 undecidable manual P 232 4.7952 152 0.18 97
TV.SF04.EHZ. 2019-03-11T02:58:58.47 3.0 undecidable manual P -2.09 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RMP.HHE. ML:1.6 0.0007840000000000001 0.86 AML other m 2019-03-11T02:59:06.29
IV.RMP.HHN. ML:1.6 0.000793 0.22 AML other m 2019-03-11T02:59:06.32
IV.RDP.HHE. ML:1.8 0.000842 1.74 AML other m 2019-03-11T02:59:07.01
IV.RDP.HHN. ML:1.8 0.0009904999999999998 0.44 AML other m 2019-03-11T02:59:07.02
IV.VIVA.HHE. ML:1.6 0.0005105 0.42 AML other m 2019-03-11T02:59:10.18
IV.CERT.HHE. ML:1.1 0.00008975 1.26 AML other m 2019-03-11T02:59:10.66
IV.CERT.HHN. ML:0.9 0.00005395 1.32 AML other m 2019-03-11T02:59:10.01
IV.VIVA.HHN. ML:1.8 0.000873 0.34 AML other m 2019-03-11T02:59:11.57
IV.LAV9.HHN. ML:1.5 0.00023595084999999998 0.48 AML other m 2019-03-11T02:59:14.25
IV.LAV9.HNN. ML:1.5 0.00024667585 0.3904 AML other m 2019-03-11T02:59:14.25
IV.LAV9.HHE. ML:1.6 0.0003602744 1.4816 AML other m 2019-03-11T02:59:17.16
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 not available