Earthquake with magnitude of ML 1.3 on date 17-12-2019 and time 07:21:10 (Italy) in region 7 km S Fonte Nuova (RM)

A magnitude ML 1.3 earthquake occured in region: 7 km S Fonte Nuova (RM), on

  • 17-12-2019 06:21:10 (UTC)
  • 17-12-2019 07:21:10 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.9320, 12.5990 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Fonte Nuova RM 7 32562 32562
Roma RM 10 2864731 2897293
Mentana RM 12 22921 2920214
Guidonia Montecelio RM 13 88673 3008887
Monterotondo RM 13 40830 3049717
Ciampino RM 14 38412 3088129
Sant'Angelo Romano RM 15 5018 3093147
Frascati RM 16 22087 3115234
Monte Porzio Catone RM 16 8693 3123927
Colonna RM 17 4287 3128214
Tivoli RM 17 56533 3184747
Grottaferrata RM 17 20327 3205074
Monte Compatri RM 18 11978 3217052
Marino RM 19 43026 3260078
Riano RM 19 10466 3270544
Gallicano nel Lazio RM 20 6334 3276878

Municipalities with at least 50000 inhabitants

An earthquake occurred to
10 Km E of Roma (2864731 inhabitants)
13 Km SW of Guidonia Montecelio (88673 inhabitants)
17 Km W of Tivoli (56533 inhabitants)
30 Km N of Pomezia (62966 inhabitants)
31 Km NW of Velletri (53303 inhabitants)
35 Km NE of Fiumicino (78395 inhabitants)
38 Km N of Aprilia (73446 inhabitants)
54 Km N of Anzio (54211 inhabitants)
57 Km NW of Latina (125985 inhabitants)
68 Km SE of Viterbo (67173 inhabitants)
69 Km E of Civitavecchia (52991 inhabitants)
70 Km S of Terni (111501 inhabitants)
81 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 1.3 2019-12-17
06:21:10
41.9322 12.5993 14 2020-02-28
16:42:15
Bollettino Sismico Italiano INGV 74784791
Reviewed
Rev100
ML 1.4 2019-12-17
06:21:10
41.9393 12.5897 14 2019-12-17
06:28:58
Sala Sismica INGV-Roma 74729861
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-12-17 06:21:10 ± 0.07
Latitude 41.9322 ± 0.0027
Longitude 12.5993 ± 0.0036
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 74784791

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 255
Semi-minor axis of confidence ellipse (meter) 233
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 25
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) 83
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.12
Epicentral distance of station closest to the epicenter (degree) 0.08723
Epicentral distance of station farthest from the epicenter (degree) 0.33545
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.4
Num. used stations 6
Type of magnitude ML
Reference to an origin 74784791
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-12-19 08:31:55

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 74729861
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-12-17 06:28:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IT.MMP1.HGE. 2019-12-17T06:21:23.17 0.3 undecidable manual S 19 37.2294 98 0.15 71
IV.SRES.HHN. 2019-12-17T06:21:22.09 0.6 undecidable manual S 348 34.6431 99 -0.23 46
IV.CERT.HHZ. 2019-12-17T06:21:21.74 0.6 undecidable manual S 86 31.6461 100 0.21 47
IV.RCAV.EHZ. 2019-12-17T06:21:20.98 0.6 undecidable manual S 108 30.0477 101 -0.15 47
IV.RDP.HHZ. 2019-12-17T06:21:18.81 0.6 undecidable manual S 154 21.1677 109 -0.01 50
IV.SRES.HHN. 2019-12-17T06:21:17.30 0.3 undecidable manual P 348 34.6431 99 -0.05 72
IV.MTCE.HHZ. 2019-12-17T06:21:17.31 0.3 undecidable manual S 50 15.4734 120 -0.14 73
IT.MMP1.HGE. 2019-12-17T06:21:17.71 1.0 undecidable manual P 19 37.2294 98 -0.04 24
IV.SAMA.EHZ. 2019-12-17T06:21:17.58 0.3 undecidable manual S 182 16.872 117 -0.19 73
IV.RMP.HHZ. 2019-12-17T06:21:17.52 0.3 undecidable manual S 148 15.873 119 -0.02 75
IV.RCAV.EHZ. 2019-12-17T06:21:16.76 0.3 undecidable manual P 108 30.0477 101 0.09 72
IT.RMVT.HGN. 2019-12-17T06:21:16.48 0.3 undecidable manual S 286 9.6792 138 0.23 72
IV.CERT.HHZ. 2019-12-17T06:21:16.87 0.1 undecidable manual P 86 31.6461 100 -0.03 97
IT.RMMM.HGE. 2019-12-17T06:21:16.65 0.3 undecidable manual S 265 12.1767 130 -0.07 75
IV.RDP.HHZ. 2019-12-17T06:21:15.09 1.0 undecidable manual P 154 21.1677 109 -0.24 24
IV.SAMA.EHZ. 2019-12-17T06:21:14.71 0.1 undecidable manual P 182 16.872 117 -0.01 100
IT.RMMM.HGE. 2019-12-17T06:21:14.11 0.3 undecidable manual P 265 12.1767 130 -0.01 76
IV.RMP.HHZ. 2019-12-17T06:21:14.86 0.3 undecidable manual P 148 15.873 119 0.27 71
IV.MTCE.HHZ. 2019-12-17T06:21:14.51 0.1 positive manual P 50 15.4734 120 -0.03 100
IT.RMVT.HGN. 2019-12-17T06:21:13.95 1.0 undecidable manual P 286 9.6792 138 0.1 25
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CERT.HHE. ML:1.3 0.000078114855 0.64 AML other m 2019-12-17T06:21:28.58
IV.MTCE.HHE. ML:1.2 0.0001415895 0.3008 AML other m 2019-12-17T06:21:19.21
IV.RMP.HHN. ML:1.8 0.0005696461500000001 0.3008 AML other m 2019-12-17T06:21:20.09
IV.RMP.HHE. ML:1.9 0.00065291385 0.3008 AML other m 2019-12-17T06:21:21.24
IV.CERT.HHN. ML:1.0 0.000044116094999999996 0.2016 AML other m 2019-12-17T06:21:23.87
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