Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 02-02-2020 and time 01:06:07 (Italy) in region 1 km SE Frasso Sabino (RI)

A magnitude ML 1.2 earthquake occured in region: 1 km SE Frasso Sabino (RI), on

  • 02-02-2020 00:06:07 (UTC)
  • 02-02-2020 01:06:07 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.2230, 12.8120 at 9 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Frasso Sabino RI 1 743 743
Poggio Nativo RI 2 2622 3365
Casaprota RI 3 744 4109
Monteleone Sabino RI 4 1224 5333
Poggio San Lorenzo RI 4 589 5922
Toffia RI 5 1058 6980
Castelnuovo di Farfa RI 6 1059 8039
Mompeo RI 6 530 8569
Poggio Moiano RI 6 2751 11320
Torricella in Sabina RI 7 1342 12662
Montenero Sabino RI 7 299 12961
Salisano RI 7 567 13528
Fara in Sabina RI 7 13742 27270
Scandriglia RI 7 3108 30378
Nerola RM 7 1926 32304
Montorio Romano RM 10 1984 34288
Montopoli di Sabina RI 10 4210 38498
Rocca Sinibalda RI 11 815 39313
Colle di Tora RI 11 372 39685
Montelibretti RM 11 5323 45008
Poggio Mirteto RI 12 6315 51323
Moricone RM 12 2650 53973
Monte San Giovanni in Sabina RI 12 714 54687
Monteflavio RM 13 1348 56035
Belmonte in Sabina RI 13 636 56671
Poggio Catino RI 13 1341 58012
Castel di Tora RI 13 288 58300
Longone Sabino RI 14 597 58897
Pozzaglia Sabina RI 14 360 59257
Orvinio RI 15 405 59662
Roccantica RI 15 563 60225
Ascrea RI 16 234 60459
Paganico Sabino RI 16 172 60631
Torrita Tiberina RM 16 1089 61720
Percile RM 16 255 61975
Cantalupo in Sabina RI 17 1685 63660
Casperia RI 17 1246 64906
Varco Sabino RI 17 187 65093
Nazzano RM 18 1436 66529
Palombara Sabina RM 18 13269 79798
Filacciano RM 18 477 80275
Licenza RM 18 1011 81286
Concerviano RI 18 291 81577
Fiano Romano RM 19 15360 96937
Selci RI 19 1106 98043
Turania RI 19 241 98284
Civitella San Paolo RM 19 2066 100350
Collegiove RI 19 213 100563
Marcetelli RI 20 89 100652
Forano RI 20 3179 103831

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km N of Guidonia Montecelio (88673 inhabitants)
29 Km N of Tivoli (56533 inhabitants)
40 Km SE of Terni (111501 inhabitants)
46 Km NE of Roma (2864731 inhabitants)
50 Km W of L'Aquila (69753 inhabitants)
60 Km N of Velletri (53303 inhabitants)
62 Km E of Viterbo (67173 inhabitants)
67 Km NE of Pomezia (62966 inhabitants)
69 Km NE of Fiumicino (78395 inhabitants)
71 Km N of Aprilia (73446 inhabitants)
82 Km S of Foligno (57155 inhabitants)
84 Km N of Latina (125985 inhabitants)
85 Km E of Civitavecchia (52991 inhabitants)
87 Km N of Anzio (54211 inhabitants)
88 Km SW of Teramo (54892 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
Reviewed
Rev100 		ML 1.2 2020-02-02
00:06:07		 42.2232 12.8118 9 2020-02-02
00:12:29		 Sala Sismica INGV-Roma 76112711
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-02-02 00:06:07 ± 0.26
Latitude 42.2232 ± 0.0045
Longitude 12.8118 ± 0.0073
Depth (km) 9 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 76112711

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 650
Semi-minor axis of confidence ellipse (meter) 58
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 278
Circular confidence region, given by single value of horizontal uncertainty (meter) 650.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 80
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.83817
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 11
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 22
Type of magnitude ML
Reference to an origin 76112711
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-02-02 00:12:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FIR.HHZ. 2020-02-02T00:06:43.12 3.0 undecidable manual Pg 4.97 0
IV.FDMO.HHZ. 2020-02-02T00:06:35.98 1.0 undecidable manual S 14 93.0402 50 0.94 16
IV.MURB.HHZ. 2020-02-02T00:06:28.50 3.0 negative manual P 2.24 0
IV.MC2.EHZ. 2020-02-02T00:06:24.94 3.0 undecidable manual P 0
IV.FDMO.HHZ. 2020-02-02T00:06:23.18 0.3 undecidable manual P 14 93.0402 50 -0.15 64
IV.GAVE.EHZ. 2020-02-02T00:06:23.99 0.6 undecidable manual S 7 52.503 50 -0.23 47
IV.RM33.EHZ. 2020-02-02T00:06:22.47 0.6 undecidable manual S 46 45.8208 50 0.04 47
IV.GIUL.HHZ. 2020-02-02T00:06:21.52 0.3 undecidable manual P 153 82.3509 50 -0.17 66
IV.ARRO.EHZ. 2020-02-02T00:06:20.91 0.6 undecidable manual S 355 39.627 50 0.1 47
IV.NRCA.HHZ. 2020-02-02T00:06:20.01 0.3 undecidable manual P 20 72.0723 50 -0.1 67
IV.CERT.HHZ. 2020-02-02T00:06:18.97 0.6 undecidable manual S 155 33.4443 50 -0.18 50
IV.SRES.HHZ. 2020-02-02T00:06:16.80 0.6 undecidable manual S 274 24.8529 110 0.26 49
IV.RM33.EHZ. 2020-02-02T00:06:16.28 0.1 undecidable manual P 46 45.8208 50 0.22 94
IV.MTCE.HHZ. 2020-02-02T00:06:16.35 0.6 undecidable manual S 194 22.9548 112 0.43 48
IV.GAVE.EHZ. 2020-02-02T00:06:16.99 0.1 undecidable manual P 7 52.503 50 -0.1 93
IV.ARRO.EHZ. 2020-02-02T00:06:15.39 0.6 positive manual P 355 39.627 50 0.27 47
IV.CESX.HHZ. 2020-02-02T00:06:15.98 0.3 undecidable manual P 337 46.5201 50 -0.2 69
IV.CERT.HHZ. 2020-02-02T00:06:14.21 0.6 negative manual P 155 33.4443 50 0.05 49
IV.SRES.HHZ. 2020-02-02T00:06:12.80 0.1 undecidable manual P 274 24.8529 110 0.15 100
IV.MTCE.HHZ. 2020-02-02T00:06:12.81 0.1 undecidable manual P 194 22.9548 112 0.51 96
IV.FIAM.HHZ. 2020-02-02T00:06:12.86 0.1 undecidable manual P 79 25.5522 110 0.07 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTCE.HHN. ML:1.0 0.00006819999999999999 0.24 AML other m 2020-02-02T00:06:16.55
IV.MTCE.HHE. ML:1.3 0.000126 0.54 AML other m 2020-02-02T00:06:16.63
IV.SRES.HHE. ML:1.0 0.00006395 0.14 AML other m 2020-02-02T00:06:18.31
IV.CERT.HHN. ML:1.3 0.00008215 0.1 AML other m 2020-02-02T00:06:19.36
IV.FIAM.HHN. ML:1.0 0.00006709999999999999 1.26 AML other m 2020-02-02T00:06:20.81
IV.CERT.HHE. ML:1.2 0.00007105 1.34 AML other m 2020-02-02T00:06:21.23
IV.SRES.HHN. ML:1.0 0.00005690000000000001 0.42 AML other m 2020-02-02T00:06:21.57
IV.ARRO.EHE. ML:1.3 0.00006355 0.24 AML other m 2020-02-02T00:06:22.28
IV.ARRO.EHN. ML:1.3 0.00007015 0.42 AML other m 2020-02-02T00:06:22.59
IV.RM33.EHE. ML:1.4 0.00006850000000000001 1.2 AML other m 2020-02-02T00:06:22.10
IV.FIAM.HHE. ML:0.9 0.000046399999999999996 0.48 AML other m 2020-02-02T00:06:23.06
IV.RM33.EHN. ML:1.2 0.000045199999999999994 0.7 AML other m 2020-02-02T00:06:23.90
IV.GAVE.EHE. ML:1.7 0.00013000000000000002 0.2 AML other m 2020-02-02T00:06:24.45
IV.CESX.HHN. ML:1.1 0.0000327 0.46 AML other m 2020-02-02T00:06:24.82
IV.GAVE.EHN. ML:1.6 0.0001085 0.38 AML other m 2020-02-02T00:06:25.37
IV.CESX.HHE. ML:1.0 0.0000318 0.72 AML other m 2020-02-02T00:06:27.99
IV.NRCA.HHN. ML:1.4 0.00004235 0.14 AML other m 2020-02-02T00:06:31.18
IV.NRCA.HHE. ML:1.5 0.000053849999999999994 0.16 AML other m 2020-02-02T00:06:32.80
IV.FDMO.HHN. ML:1.4 0.0000233 0.68 AML other m 2020-02-02T00:06:37.04
IV.GIUL.HHN. ML:1.2 0.00002115 1.12 AML other m 2020-02-02T00:06:37.60
IV.FDMO.HHE. ML:1.4 0.00002505 0.18 AML other m 2020-02-02T00:06:37.77
IV.GIUL.HHE. ML:1.0 0.000014700000000000002 1.58 AML other m 2020-02-02T00:06:53.98
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