Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 12-05-2020 and time 02:06:01 (Italy) in region 5 km SW Fonte Nuova (RM)

A magnitude ML 1.8 earthquake occured in region: 5 km SW Fonte Nuova (RM), on

  • 12-05-2020 00:06:01 (UTC)
  • 12-05-2020 02:06:01 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.9610, 12.5800 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
Fonte Nuova RM 5 32562 32562
Mentana RM 10 22921 55483
Monterotondo RM 11 40830 96313
Roma RM 11 2864731 2961044
Guidonia Montecelio RM 13 88673 3049717
Sant'Angelo Romano RM 14 5018 3054735
Riano RM 15 10466 3065201
Ciampino RM 18 38412 3103613
Tivoli RM 18 56533 3160146
Frascati RM 19 22087 3182233
Palombara Sabina RM 19 13269 3195502
Sacrofano RM 20 7740 3203242
Castelnuovo di Porto RM 20 8630 3211872
Monte Porzio Catone RM 20 8693 3220565
Colonna RM 20 4287 3224852
Formello RM 20 12918 3237770

Municipalities with at least 50000 inhabitants

An earthquake occurred to
11 Km NE of Roma (2864731 inhabitants)
13 Km W of Guidonia Montecelio (88673 inhabitants)
18 Km W of Tivoli (56533 inhabitants)
33 Km N of Pomezia (62966 inhabitants)
35 Km NW of Velletri (53303 inhabitants)
35 Km NE of Fiumicino (78395 inhabitants)
41 Km N of Aprilia (73446 inhabitants)
57 Km N of Anzio (54211 inhabitants)
61 Km NW of Latina (125985 inhabitants)
64 Km SE of Viterbo (67173 inhabitants)
67 Km E of Civitavecchia (52991 inhabitants)
67 Km S of Terni (111501 inhabitants)
80 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 1.8 2020-05-12
00:06:01		 41.9607 12.5802 10 2020-11-19
12:36:45		 Bollettino Sismico Italiano INGV 79415161
Reviewed
Rev100 		ML 1.8 2020-05-12
00:06:01		 41.9685 12.5783 9 2020-05-12
00:19:34		 Sala Sismica INGV-Roma 79063011
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-05-12 00:06:01 ± 0.05
Latitude 41.9607 ± 0.0036
Longitude 12.5802 ± 0.0048
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 79415161

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 388
Semi-minor axis of confidence ellipse (meter) 267
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 223
Circular confidence region, given by single value of horizontal uncertainty (meter) 390.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 71
Number of associated phases, regardless of their use for origin computation 37
Number of defining phases 33
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) 0.81299
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 21
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 22
Type of magnitude ML
Reference to an origin 79063011
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-05-12 00:19:34

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 20
Type of magnitude ML
Reference to an origin 79415161
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-05-21 16:12:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MCRV.HHZ. 2020-05-12T00:07:11.97 3.0 undecidable manual Sg 3.75 0
IV.VISG.HHZ. 2020-05-12T00:06:43.39 3.0 undecidable manual Pg 3.09 0
IV.MTRA.EHZ. 2020-05-12T00:06:35.64 3.0 undecidable manual S -0.66 0
IV.PTRJ.HNZ. 2020-05-12T00:06:31.32 3.0 undecidable manual Pg 1.85 0
IV.CESX.HHZ. 2020-05-12T00:06:23.83 0.6 undecidable manual S 0 71.8725 50 0.34 42
IV.ARRO.EHZ. 2020-05-12T00:06:23.66 0.3 undecidable manual S 12 70.2741 50 0.59 58
IV.BARO.HNZ. 2020-05-12T00:06:18.90 0.3 undecidable manual S 306 53.9016 50 0.19 67
IV.TOLF.HHZ. 2020-05-12T00:06:16.91 0.3 undecidable manual S 284 49.1175 50 -0.52 63
IV.LRP.EHZ. 2020-05-12T00:06:16.80 0.3 undecidable manual P 112 90.243 50 -0.29 61
IV.ARRO.EHZ. 2020-05-12T00:06:14.23 0.3 undecidable manual P 12 70.2741 50 0.21 64
IV.CESX.HHZ. 2020-05-12T00:06:14.37 0.1 undecidable manual P 0 71.8725 50 0.11 88
IV.GIUL.HHZ. 2020-05-12T00:06:13.60 0.3 undecidable manual P 128 71.4729 50 -0.6 58
IV.LATB.EHZ. 2020-05-12T00:06:12.12 0.3 undecidable manual P 148 60.6948 50 -0.42 63
IV.SRES.HHZ. 2020-05-12T00:06:12.65 0.3 undecidable manual S 349 31.1466 50 0.02 72
IV.VIVA.HHZ. 2020-05-12T00:06:12.27 0.3 undecidable manual S 146 28.1496 50 0.45 66
IV.CERT.HHZ. 2020-05-12T00:06:12.99 0.6 undecidable manual S 92 33.1446 50 -0.17 46
IV.RCAV.EHZ. 2020-05-12T00:06:12.89 0.3 undecidable manual S 113 32.6451 50 -0.14 70
IV.FIAM.HHZ. 2020-05-12T00:06:11.50 0.3 undecidable manual P 52 55.7997 50 -0.29 65
IV.BARO.HNZ. 2020-05-12T00:06:11.63 0.1 undecidable manual P 306 53.9016 50 0.13 90
IV.TOLF.HHZ. 2020-05-12T00:06:10.78 0.3 undecidable manual P 284 49.1175 50 0.02 70
IV.MA9.HHN. 2020-05-12T00:06:10.34 0.3 undecidable manual S 163 22.1556 115 0.21 70
IV.RMP.HHZ. 2020-05-12T00:06:09.78 0.3 undecidable manual S 148 19.4694 118 0.5 66
IV.CERT.HHZ. 2020-05-12T00:06:08.09 0.1 undecidable manual P 92 33.1446 50 -0.21 92
IT.MMP1.HGE. 2020-05-12T00:06:08.58 0.3 undecidable manual P 23 34.8429 50 0.02 72
IV.RCAV.EHZ. 2020-05-12T00:06:08.23 0.3 undecidable manual P 113 32.6451 50 0.01 72
IV.LAV9.HHZ. 2020-05-12T00:06:08.36 0.3 undecidable manual P 163 32.8449 50 0.1 71
IV.MTCE.HHZ. 2020-05-12T00:06:07.79 0.1 undecidable manual S 63 15.0738 124 -0.18 96
IV.RDP.HHZ. 2020-05-12T00:06:07.06 0.1 undecidable manual P 154 24.6531 50 0.07 96
IV.SRES.HHZ. 2020-05-12T00:06:07.73 0.3 undecidable manual P 349 31.1466 50 -0.26 68
IV.VIVA.HHZ. 2020-05-12T00:06:07.79 0.1 undecidable manual P 146 28.1496 50 0.26 92
IV.RMP.HHZ. 2020-05-12T00:06:06.02 0.3 undecidable manual P 148 19.4694 118 -0.04 73
IV.MA9.HHN. 2020-05-12T00:06:06.56 0.1 undecidable manual P 163 22.1556 115 0.01 98
IT.RMVT.HGZ. 2020-05-12T00:06:05.99 0.3 undecidable manual S 266 7.7811 143 -0.13 73
IV.MTCE.HHZ. 2020-05-12T00:06:05.40 0.1 positive manual P 63 15.0738 124 0.1 97
IV.SAMA.EHZ. 2020-05-12T00:06:05.93 0.1 undecidable manual P 177 20.0688 117 -0.23 94
IT.RMVT.HGZ. 2020-05-12T00:06:04.25 0.1 positive manual P 266 7.7811 143 0.02 100
IT.RMMM.HGZ. 2020-05-12T00:06:04.79 0.1 undecidable manual P 248 11.2776 132 0.08 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTCE.HHN. ML:1.6 0.000373 0.32 AML other m 2020-05-12T00:06:08.40
IV.MTCE.HHE. ML:1.5 0.00028300000000000005 0.9 AML other m 2020-05-12T00:06:09.63
IV.RMP.HHN. ML:2.0 0.000814 1.16 AML other m 2020-05-12T00:06:12.35
IV.RMP.HHE. ML:2.0 0.000885 0.36 AML other m 2020-05-12T00:06:13.35
IV.RCAV.EHN. ML:1.7 0.00020850000000000003 0.46 AML other m 2020-05-12T00:06:13.44
IV.RCAV.EHE. ML:1.7 0.000234 0.94 AML other m 2020-05-12T00:06:14.88
IV.VIVA.HHE. ML:2.1 0.0006544999999999999 0.56 AML other m 2020-05-12T00:06:14.56
IV.CERT.HHN. ML:1.5 0.0001515 1.8 AML other m 2020-05-12T00:06:15.98
IV.CERT.HHE. ML:1.6 0.00016099999999999998 0.56 AML other m 2020-05-12T00:06:15.56
IV.LAV9.HHN. ML:2.0 0.0004745 0.26 AML other m 2020-05-12T00:06:16.45
IV.VIVA.HHN. ML:2.2 0.000791 0.36 AML other m 2020-05-12T00:06:17.25
IV.LAV9.HHE. ML:2.1 0.0005620000000000001 1 AML other m 2020-05-12T00:06:17.11
IV.TOLF.HHN. ML:1.7 0.00013550000000000001 0.34 AML other m 2020-05-12T00:06:17.68
IV.TOLF.HHE. ML:1.8 0.00014825 1.2 AML other m 2020-05-12T00:06:18.07
IV.ARRO.EHN. ML:2.0 0.000161 1.58 AML other m 2020-05-12T00:06:26.91
IV.ARRO.EHE. ML:2.0 0.0001565 0.62 AML other m 2020-05-12T00:06:26.42
IV.GIUL.HHE. ML:1.5 0.00005375 1.58 AML other m 2020-05-12T00:06:26.82
IV.GIUL.HHN. ML:1.5 0.0000537 1.52 AML other m 2020-05-12T00:06:26.88
IV.CESX.HHE. ML:1.7 0.0000836 1.32 AML other m 2020-05-12T00:06:29.10
IV.CESX.HHN. ML:1.8 0.0001115 1.54 AML other m 2020-05-12T00:06:29.77
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