Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 06-03-2021 and time 11:47:22 (Italy) in region 3 km SE Rieti (RI)

A magnitude ML 1.4 earthquake occured in region: 3 km SE Rieti (RI), on

  • 06-03-2021 10:47:22 (UTC)
  • 06-03-2021 11:47:22 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.3870, 12.8890 at 8 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
Rieti RI 3 47698 47698
Cittaducale RI 5 6828 54526
Belmonte in Sabina RI 8 636 55162
Cantalice RI 9 2755 57917
Contigliano RI 10 3783 61700
Concerviano RI 11 291 61991
Monte San Giovanni in Sabina RI 11 714 62705
Castel Sant'Angelo RI 12 1308 64013
Greccio RI 12 1558 65571
Rocca Sinibalda RI 13 815 66386
Poggio Bustone RI 13 2055 68441
Montenero Sabino RI 13 299 68740
Torricella in Sabina RI 14 1342 70082
Longone Sabino RI 14 597 70679
Borgo Velino RI 14 972 71651
Rivodutri RI 15 1253 72904
Poggio San Lorenzo RI 15 589 73493
Colli sul Velino RI 15 533 74026
Micigliano RI 16 127 74153
Antrodoco RI 16 2588 76741
Morro Reatino RI 16 373 77114
Casaprota RI 16 744 77858
Cottanello RI 17 563 78421
Montasola RI 17 395 78816
Labro RI 17 374 79190
Monteleone Sabino RI 17 1224 80414
Roccantica RI 18 563 80977
Petrella Salto RI 18 1197 82174
Salisano RI 19 567 82741
Frasso Sabino RI 19 743 83484
Casperia RI 19 1246 84730
Poggio Catino RI 19 1341 86071
Mompeo RI 19 530 86601
Varco Sabino RI 20 187 86788
Castel di Tora RI 20 288 87076
Colle di Tora RI 20 372 87448

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km SE of Terni (111501 inhabitants)
42 Km W of L'Aquila (69753 inhabitants)
45 Km NE of Guidonia Montecelio (88673 inhabitants)
48 Km N of Tivoli (56533 inhabitants)
64 Km NE of Roma (2864731 inhabitants)
64 Km E of Viterbo (67173 inhabitants)
65 Km S of Foligno (57155 inhabitants)
74 Km W of Teramo (54892 inhabitants)
78 Km N of Velletri (53303 inhabitants)
86 Km NE of Pomezia (62966 inhabitants)
87 Km NE of Fiumicino (78395 inhabitants)
90 Km SE of Perugia (166134 inhabitants)
90 Km N of Aprilia (73446 inhabitants)
96 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 1.4 2021-03-06
10:47:22		 42.3868 12.8892 8 2021-07-12
16:55:14		 Bollettino Sismico Italiano INGV 91104981
Reviewed
Rev100 		ML 1.4 2021-03-06
10:47:22		 42.3857 12.9098 10 2021-03-06
10:55:39		 Sala Sismica INGV-Roma 87814881
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-03-06 10:47:22 ± 0.07
Latitude 42.3868 ± 0.0027
Longitude 12.8892 ± 0.0061
Depth (km) 8 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 91104981

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 415
Semi-minor axis of confidence ellipse (meter) 240
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 103
Circular confidence region, given by single value of horizontal uncertainty (meter) 410.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 114
Number of associated phases, regardless of their use for origin computation 43
Number of defining phases 26
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.66550
Number of stations at which the event was observed 29
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 91104981
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-06-11 15:46:10

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 87814881
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-03-06 10:55:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GIZZ.HHZ. 2021-03-06T10:49:20.79 3.0 undecidable manual Sg 7.72 0
CR.ZAG.BHZ. 2021-03-06T10:49:14.64 3.0 undecidable manual Sg 3.58 0
IV.MILN.HNZ. 2021-03-06T10:49:14.11 3.0 undecidable manual Sn -8.84 0
MN.KLV.HHZ. 2021-03-06T10:49:11.22 3.0 negative manual Pn -7.71 0
IV.SELL.HHZ. 2021-03-06T10:49:06.01 3.0 undecidable manual Sn -9.99 0
IV.SENA.HHZ. 2021-03-06T10:48:53.51 3.0 undecidable manual Sn -9.99 0
AC.VLO.HHZ. 2021-03-06T10:48:43.42 3.0 negative manual Pg 6.03 0
IV.PLLN.EHZ. 2021-03-06T10:48:36.27 3.0 positive manual Pg 5.65 0
IV.MAGO.CHZ. 2021-03-06T10:48:33.88 3.0 undecidable manual Sg 2.23 0
IV.SELL.HHZ. 2021-03-06T10:48:33.91 3.0 undecidable manual Pg 6.92 0
IV.SGAL.EHZ. 2021-03-06T10:48:27.22 3.0 undecidable manual Pg 3.13 0
IV.IST3.HHZ. 2021-03-06T10:48:25.88 3.0 negative manual Pg 3.46 0
IV.MOCL.EHZ. 2021-03-06T10:48:24.96 3.0 undecidable manual Sn -8.54 0
IV.VBKN.HHZ. 2021-03-06T10:48:12.17 3.0 undecidable manual Sg -5.33 0
IV.ZCCA.HHZ. 2021-03-06T10:48:02.40 3.0 positive manual Pn -4.78 0
IV.RIBO.EHZ.01 2021-03-06T10:47:56.74 3.0 undecidable manual Pn 0.55 0
IV.FDMO.HHN. 2021-03-06T10:47:45.58 0.6 undecidable manual S 13 73.8705 50 0.13 45
IV.CESI.HHE. 2021-03-06T10:47:44.46 0.6 undecidable manual S 1 68.5758 50 0.42 43
IV.MC2.EHZ. 2021-03-06T10:47:43.30 0.6 undecidable manual S 23 63.0924 50 0.71 39
IV.MOMA.HHZ. 2021-03-06T10:47:40.32 0.6 undecidable manual S 331 53.1024 50 0.41 44
IV.NRCA.HHZ. 2021-03-06T10:47:39.62 0.3 undecidable manual S 20 52.8027 50 -0.22 69
IV.CERT.HNE. 2021-03-06T10:47:38.48 0.6 undecidable manual S 171 49.2174 50 -0.38 45
IT.LRNO.HNZ. 2021-03-06T10:47:37.66 3.0 undecidable manual P -8.97 0
IV.T1299.HNN. 2021-03-06T10:47:36.98 0.6 undecidable manual S 49 42.2244 50 -0.04 49
IV.FDMO.HHN. 2021-03-06T10:47:35.67 0.3 undecidable manual P 13 73.8705 50 -0.11 68
IV.GAVE.EHN. 2021-03-06T10:47:34.24 0.6 undecidable manual S 1 33.8439 103 -0.41 46
IV.CESI.HHE. 2021-03-06T10:47:34.81 0.1 undecidable manual P 1 68.5758 50 -0.16 91
IV.MC2.EHZ. 2021-03-06T10:47:34.01 0.3 undecidable manual P 23 63.0924 50 -0.12 69
IV.RM33.EHZ. 2021-03-06T10:47:33.23 0.3 undecidable manual S 63 29.8479 105 -0.08 74
IV.NRCA.HHZ. 2021-03-06T10:47:32.08 0.1 undecidable manual P 20 52.8027 50 -0.47 87
IV.LNSS.HHZ. 2021-03-06T10:47:32.44 0.3 undecidable manual S 27 26.9508 106 0.11 74
IV.MOMA.HHZ. 2021-03-06T10:47:32.73 0.3 undecidable manual P 331 53.1024 50 0.14 70
IV.CERT.HNE. 2021-03-06T10:47:32.25 0.3 undecidable manual P 171 49.2174 50 0.27 69
IV.ARRO.EHZ. 2021-03-06T10:47:31.15 0.6 undecidable manual S 335 23.5542 109 -0.07 50
IV.FIAM.HHZ. 2021-03-06T10:47:31.20 0.6 undecidable manual S 125 22.8549 109 0.21 49
IV.T1299.HNN. 2021-03-06T10:47:30.76 0.3 undecidable manual P 49 42.2244 50 -0.16 71
IV.GAVE.EHN. 2021-03-06T10:47:29.42 0.3 undecidable manual P 1 33.8439 103 -0.13 73
IT.MMP1.HGE. 2021-03-06T10:47:29.55 0.6 undecidable manual S 217 19.1697 112 -0.22 49
IV.RM33.EHZ. 2021-03-06T10:47:28.75 0.1 undecidable manual P 63 29.8479 105 -0.03 100
IV.LNSS.HHZ. 2021-03-06T10:47:28.32 0.1 undecidable manual P 27 26.9508 106 0.11 99
IV.ARRO.EHZ. 2021-03-06T10:47:27.83 0.3 undecidable manual P 335 23.5542 109 0.26 72
IV.FIAM.HHZ. 2021-03-06T10:47:27.68 0.3 undecidable manual P 125 22.8549 109 0.25 73
IT.MMP1.HGE. 2021-03-06T10:47:26.79 0.3 undecidable manual P 217 19.1697 112 0.05 76
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.HNN. ML:1.5 0.0001681769 1.136 AML other m 2021-03-06T10:47:29.84
IV.RM33.HNE. ML:1.5 0.00015092932 0.7616 AML other m 2021-03-06T10:47:31.35
IV.LNSS.HNE. ML:1.8 0.00031955015 0.1408 AML other m 2021-03-06T10:47:32.79
IV.LNSS.HHE. ML:1.8 0.00033899999999999995 0.14 AML other m 2021-03-06T10:47:32.79
IV.LNSS.HNN. ML:1.6 0.00022613886500000004 0.4032 AML other m 2021-03-06T10:47:33.32
IV.LNSS.HHN. ML:1.6 0.00022591315 0.1216 AML other m 2021-03-06T10:47:33.31
IV.RM33.EHN. ML:1.1 0.000060338934999999995 0.2752 AML other m 2021-03-06T10:47:33.85
IV.RM33.EHE. ML:1.2 0.00007039155 1.6992 AML other m 2021-03-06T10:47:35.86
IV.MOMA.HHE. ML:1.3 0.00004787513 0.2176 AML other m 2021-03-06T10:47:40.77
IV.MOMA.HHN. ML:1.2 0.000032648040000000006 1.7184 AML other m 2021-03-06T10:47:40.88
IV.NRCA.HHN. ML:1.3 0.000049612005 0.1216 AML other m 2021-03-06T10:47:41.27
IV.NRCA.HHE. ML:1.3 0.000046354385 0.1408 AML other m 2021-03-06T10:47:41.72
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