Earthquake with magnitude of ML 1.4 on date 07-12-2021 and time 10:08:38 (UTC) in region 4 km N Belmonte in Sabina (RI)

A magnitude ML 1.4 earthquake occured in region: 4 km N Belmonte in Sabina (RI), on

  • 07-12-2021 10:08:38 (UTC)
  • 07-12-2021 11:08:38 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.354, 12.894 at 17 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Belmonte in Sabina RI 4 636 636
Cittaducale RI 6 6828 7464
Rieti RI 6 47698 55162
Concerviano RI 8 291 55453
Rocca Sinibalda RI 9 815 56268
Monte San Giovanni in Sabina RI 10 714 56982
Montenero Sabino RI 10 299 57281
Torricella in Sabina RI 10 1342 58623
Longone Sabino RI 11 597 59220
Poggio San Lorenzo RI 12 589 59809
Contigliano RI 12 3783 63592
Castel Sant'Angelo RI 12 1308 64900
Cantalice RI 13 2755 67655
Casaprota RI 13 744 68399
Monteleone Sabino RI 14 1224 69623
Borgo Velino RI 15 972 70595
Greccio RI 15 1558 72153
Frasso Sabino RI 16 743 72896
Petrella Salto RI 16 1197 74093
Salisano RI 16 567 74660
Colle di Tora RI 16 372 75032
Castel di Tora RI 16 288 75320
Varco Sabino RI 16 187 75507
Mompeo RI 17 530 76037
Poggio Bustone RI 17 2055 78092
Poggio Moiano RI 17 2751 80843
Roccantica RI 17 563 81406
Antrodoco RI 17 2588 83994
Micigliano RI 17 127 84121
Poggio Nativo RI 17 2622 86743
Poggio Catino RI 18 1341 88084
Montasola RI 18 395 88479
Cottanello RI 18 563 89042
Castelnuovo di Farfa RI 18 1059 90101
Casperia RI 18 1246 91347
Rivodutri RI 18 1253 92600
Colli sul Velino RI 19 533 93133
Marcetelli RI 19 89 93222
Toffia RI 19 1058 94280
Ascrea RI 20 234 94514
Poggio Mirteto RI 20 6315 100829
Morro Reatino RI 20 373 101202

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km SE of Terni (111501 inhabitants)
42 Km NE of Guidonia Montecelio (88673 inhabitants)
42 Km W of L'Aquila (69753 inhabitants)
44 Km N of Tivoli (56533 inhabitants)
61 Km NE of Roma (2864731 inhabitants)
65 Km E of Viterbo (67173 inhabitants)
69 Km S of Foligno (57155 inhabitants)
75 Km W of Teramo (54892 inhabitants)
75 Km N of Velletri (53303 inhabitants)
83 Km NE of Pomezia (62966 inhabitants)
84 Km NE of Fiumicino (78395 inhabitants)
87 Km N of Aprilia (73446 inhabitants)
93 Km SE of Perugia (166134 inhabitants)
95 Km E of Civitavecchia (52991 inhabitants)
98 Km N of Latina (125985 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Preliminary map of the earthquake effects from the web questionnaire

Preliminary map of the earthquake effects from the web questionnaire

This map shows the distribution of earthquake resentment in the area, expressed in terms of intensity on the MCS scale (Mercalli-Cancani-Sieberg). Intensities are determined using data from questionnaires collected on the website http://www.hsit.it. The intensities shown are determined considering all the reports received from each municipality, and are all the more reliable the greater the number of questionnaires. The collected data are subjected to an automatic statistical filter, but are not checked individually. In particular, intensities greater than or equal to the VI degree of the MCS or EMS scale require on-site verification by specialized personnel. The black star is the epicenter of the earthquake that occurred. This map is updated every time citizens fill out new questionnaires. The number of questionnaires processed to obtain this map, the date and time of the last update are shown at the top right.
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Reviewed
Rev100
ML 1.4 2021-12-07
10:08:38
42.3538 12.8935 17 2021-12-07
10:16:47
Sala Sismica INGV-Roma 98233931
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-12-07 10:08:38 ± 0.18
Latitude 42.3538 ± 0.0063
Longitude 12.8935 ± 0.0110
Depth (km) 17 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 98233931

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 890
Semi-minor axis of confidence ellipse (meter) 489
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 109
Circular confidence region, given by single value of horizontal uncertainty (meter) 890
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 134
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.50632
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 6
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0
Num. used stations 2
Type of magnitude ML
Reference to an origin 98233931
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-12-07 10:16:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
NI.VINO.HHZ. 2021-12-07T10:10:31.86 3.0 undecidable manual Sg 8.01 0
IV.CADC.EHZ. 2021-12-07T10:10:29.27 3.0 undecidable manual Sg 13.93 0
OX.SABO.HNZ. 2021-12-07T10:10:29.95 3.0 undecidable manual Sg 11.56 0
IV.TEOL.HHZ. 2021-12-07T10:10:01.49 3.0 undecidable manual Sn -1.77 0
IV.ESAL.HHZ. 2021-12-07T10:10:00.46 3.0 undecidable manual Pg 11.77 0
IV.MTGR.HHZ. 2021-12-07T10:09:50.49 3.0 undecidable manual Pg 9.09 0
IV.GRI.EHZ. 2021-12-07T10:09:41.64 3.0 positive manual Pn -1.46 0
NI.VINO.HHZ. 2021-12-07T10:09:38.91 3.0 negative manual Pn 2.64 0
OT.OT17.EHZ. 2021-12-07T10:09:37.72 3.0 undecidable manual Sn -0.31 0
IV.BRSN.EHZ. 2021-12-07T10:09:36.08 3.0 undecidable manual Sn 0.04 0
IV.SALO.HHZ. 2021-12-07T10:09:36.25 3.0 negative manual Pn 4.56 0
IV.SGAL.EHZ. 2021-12-07T10:09:32.96 3.0 positive manual Pn 1.03 0
IV.TEOL.HHZ. 2021-12-07T10:09:31.28 3.0 undecidable manual Pg 6.58 0
IV.CTL8.HNZ. 2021-12-07T10:09:28.66 3.0 positive manual Pn -2.71 0
IT.PLTA.HNZ. 2021-12-07T10:09:26.88 3.0 undecidable manual S 0.38 0
IV.MIDA.HHZ. 2021-12-07T10:09:18.54 3.0 undecidable manual Sg -0.95 0
IV.CELB.HHZ. 2021-12-07T10:09:06.75 3.0 positive manual Pn 0.08 0
IV.NRCA.HHZ. 2021-12-07T10:08:55.11 0.3 undecidable manual S 19 0.5063 98 -0.51 64
IV.GAVE.EHZ. 2021-12-07T10:08:50.74 0.3 undecidable manual S 0 0.3381 103 0.02 75
IV.RM33.HNN. 2021-12-07T10:08:49.23 0.6 undecidable manual S 57 0.2833 107 0.09 49
IV.NRCA.HHZ. 2021-12-07T10:08:48.27 0.6 undecidable manual P 19 0.5063 98 0.07 48
IV.LNSS.HHZ. 2021-12-07T10:08:48.99 0.3 undecidable manual S 23 0.2716 108 0.18 73
IV.FIAM.HHZ. 2021-12-07T10:08:46.05 0.6 undecidable manual S 117 0.1862 119 -0.43 48
IV.GAVE.EHZ. 2021-12-07T10:08:45.60 0.6 negative manual P 0 0.3381 103 0.23 48
IT.MMP1.HGE. 2021-12-07T10:08:45.35 0.3 undecidable manual S 226 0.1502 126 -0.22 74
IV.RM33.HNN. 2021-12-07T10:08:44.50 0.1 undecidable manual P 57 0.2833 107 0.04 100
IV.LNSS.HHZ. 2021-12-07T10:08:44.35 0.6 undecidable manual P 23 0.2716 108 0.08 50
IV.FIAM.HHZ. 2021-12-07T10:08:43.00 0.3 negative manual P 117 0.1862 119 0.07 75
IT.MMP1.HGE. 2021-12-07T10:08:42.56 0.1 undecidable manual P 226 0.1502 126 0.16 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HHN. ML:1.4 0.00010535 0.78 AML other m 2021-12-07T10:08:49.19
IV.LNSS.HHE. ML:1.4 0.000117 0.14 AML other m 2021-12-07T10:08:49.52
IV.CELB.HHE. ML:2.7 0.0001136 1.2 AML other m 2021-12-07T10:09:09.62
IV.CELB.HHN. ML:2.8 0.0001395 0.66 AML other m 2021-12-07T10:09:21.57
IV.SGAL.EHN. ML:4 0.000639 0.7 AML other m 2021-12-07T10:09:34.38
IV.SGAL.EHE. ML:4.1 0.0006645 0.5 AML other m 2021-12-07T10:09:35.22
IV.SALO.HHN. ML:3.6 0.000227 1.56 AML other m 2021-12-07T10:09:44.02
IV.SALO.HHE. ML:3.4 0.0001295 1.4 AML other m 2021-12-07T10:09:46.88
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