Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 22-06-2021 and time 08:37:40 (Italy) in region 4 km NW Configni (RI)

A magnitude ML 2.1 earthquake occured in region: 4 km NW Configni (RI), on

  • 22-06-2021 06:37:40 (UTC)
  • 22-06-2021 08:37:40 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.4480, 12.6060 at 9 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
Configni RI 4 633 633
Calvi dell'Umbria TR 6 1856 2489
Vacone RI 7 256 2745
Stroncone TR 7 4917 7662
Cottanello RI 8 563 8225
Montebuono RI 9 883 9108
Montasola RI 9 395 9503
Tarano RI 10 1444 10947
Torri in Sabina RI 11 1256 12203
Otricoli TR 11 1869 14072
Narni TR 11 19785 33857
Terni TR 13 111501 145358
Collevecchio RI 13 1577 146935
Casperia RI 13 1246 148181
Greccio RI 14 1558 149739
Contigliano RI 14 3783 153522
Magliano Sabina RI 14 3774 157296
Selci RI 14 1106 158402
Colli sul Velino RI 15 533 158935
Roccantica RI 16 563 159498
Cantalupo in Sabina RI 16 1685 161183
Forano RI 17 3179 164362
Stimigliano RI 17 2328 166690
Orte VT 18 8923 175613
Labro RI 18 374 175987
Poggio Catino RI 18 1341 177328
Gallese VT 19 2849 180177
San Gemini TR 19 5018 185195
Monte San Giovanni in Sabina RI 19 714 185909

Municipalities with at least 50000 inhabitants

An earthquake occurred to
13 Km S of Terni (111501 inhabitants)
41 Km E of Viterbo (67173 inhabitants)
51 Km N of Guidonia Montecelio (88673 inhabitants)
56 Km N of Tivoli (56533 inhabitants)
57 Km S of Foligno (57155 inhabitants)
63 Km N of Roma (2864731 inhabitants)
66 Km W of L'Aquila (69753 inhabitants)
75 Km S of Perugia (166134 inhabitants)
78 Km NE of Civitavecchia (52991 inhabitants)
81 Km NE of Fiumicino (78395 inhabitants)
86 Km N of Velletri (53303 inhabitants)
87 Km N of Pomezia (62966 inhabitants)
93 Km W of Teramo (54892 inhabitants)
95 Km N of Aprilia (73446 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 2.1 2021-06-22
06:37:40		 42.4482 12.6062 9 2021-12-29
11:12:37		 Bollettino Sismico Italiano INGV 96702431
Reviewed
Rev100 		ML 2.1 2021-06-22
06:37:40		 42.4512 12.6007 9 2021-06-22
06:44:37		 Sala Sismica INGV-Roma 91693551
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-06-22 06:37:40 ± 0.06
Latitude 42.4482 ± 0.0027
Longitude 12.6062 ± 0.0049
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 96702431

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 348
Semi-minor axis of confidence ellipse (meter) 335
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 111
Circular confidence region, given by single value of horizontal uncertainty (meter) 350.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 64
Number of associated phases, regardless of their use for origin computation 61
Number of defining phases 39
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) 0.95238
Number of stations at which the event was observed 48
Number of stations from which data was used for origin computation 26
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 52
Type of magnitude ML
Reference to an origin 91693551
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-06-22 06:44:37

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 52
Type of magnitude ML
Reference to an origin 96702431
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-10-31 16:49:10
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FERC.HNZ. 2021-06-22T06:39:01.21 3.0 negative manual Pg 8.46 0
IV.SPS2.HHZ. 2021-06-22T06:39:00.13 3.0 positive manual Pg 15.29 0
IV.GIZZ.HHZ. 2021-06-22T06:38:57.22 3.0 negative manual Pg 9.92 0
IV.MCPD.HHZ. 2021-06-22T06:38:56.07 3.0 undecidable manual Pn 5.91 0
IX.MNT3.HHZ.02 2021-06-22T06:38:50.87 3.0 undecidable manual Sn 0.16 0
GU.BURY.HHZ. 2021-06-22T06:38:50.01 3.0 negative manual Pg 8.89 0
IV.ZONE.HHZ. 2021-06-22T06:38:49.47 3.0 positive manual Pg 10.75 0
IV.ILOS.HHZ. 2021-06-22T06:38:47.55 3.0 negative manual Pn 0.69 0
IV.SARZ.HHZ. 2021-06-22T06:38:46.52 3.0 positive manual Pg 9.89 0
CH.MUGIO.HHZ. 2021-06-22T06:38:46.65 3.0 positive manual Pn 0.37 0
IV.ZEN8.EHZ. 2021-06-22T06:38:43.12 3.0 negative manual Pg 8.61 0
IV.IMOL.HNZ. 2021-06-22T06:38:41.92 3.0 undecidable manual Sg 0.48 0
IV.QLNO.HHZ. 2021-06-22T06:38:39.80 3.0 negative manual Pn 2.87 0
IV.CELB.HHZ. 2021-06-22T06:38:37.29 3.0 undecidable manual Sn 0.8 0
MN.TRI.HHZ. 2021-06-22T06:38:34.62 3.0 undecidable manual Pn 1.65 0
IV.CSNT.HHZ. 2021-06-22T06:38:28.82 3.0 undecidable manual S 1.92 0
IV.NDIM.HNZ. 2021-06-22T06:38:27.30 3.0 positive manual Pg 2.77 0
IV.TST02.HHZ. 2021-06-22T06:38:26.35 3.0 undecidable manual S 0.59 0
IV.BDI.HHZ. 2021-06-22T06:38:22.78 3.0 negative manual Pg 5.76 0
GU.GSCL.HHZ. 2021-06-22T06:38:19.29 3.0 undecidable manual Pn -0.75 0
IT.PLTA.HNZ. 2021-06-22T06:38:12.51 3.0 undecidable manual Pg 2.36 0
IV.VIVA.HHZ. 2021-06-22T06:38:05.99 3.0 undecidable manual S -0.22 0
IV.FDMO.HHZ. 2021-06-22T06:38:04.35 0.6 undecidable manual S 31 76.1682 50 0.77 37
IV.MGAB.HHZ. 2021-06-22T06:38:01.54 0.6 undecidable manual S 322 65.3901 50 0.83 37
IV.NRCA.HHZ. 2021-06-22T06:37:59.42 0.6 undecidable manual S 44 59.5959 50 0.27 45
IV.EL6.EHZ. 2021-06-22T06:37:58.47 0.3 undecidable manual P 22 105.7164 50 0.19 62
IV.RM33.EHZ. 2021-06-22T06:37:56.77 0.6 undecidable manual S 82 50.2164 50 0.11 47
IV.MURB.HHZ. 2021-06-22T06:37:56.78 0.6 undecidable manual P 356 90.6426 50 0.82 35
IV.FIAM.HHZ. 2021-06-22T06:37:55.92 0.6 undecidable manual S 115 46.4202 50 0.28 45
IV.CSP1.EHZ. 2021-06-22T06:37:55.63 0.3 undecidable manual P 34 86.4468 50 0.32 63
IV.TERO.HHZ. 2021-06-22T06:37:54.68 0.3 undecidable manual P 76 83.8494 50 -0.23 64
IV.SACS.HHE. 2021-06-22T06:37:53.51 0.6 undecidable manual P 308 72.1722 50 0.4 42
IV.FDMO.HHZ. 2021-06-22T06:37:53.76 0.1 undecidable manual P 31 76.1682 50 0.04 90
IT.GNU.HGE. 2021-06-22T06:37:53.50 0.6 undecidable manual S 356 39.5271 50 -0.31 46
IV.LNSS.HHZ. 2021-06-22T06:37:53.85 0.6 undecidable manual S 64 39.4272 50 0.07 48
IV.MMO1.EHZ. 2021-06-22T06:37:53.76 0.3 undecidable manual P 49 77.1672 50 -0.12 67
IV.MOMA.HHZ. 2021-06-22T06:37:53.52 0.6 undecidable manual S 356 39.5271 50 -0.3 46
IV.MC2.EHZ. 2021-06-22T06:37:52.80 0.3 undecidable manual P 43 69.9744 50 0.03 69
IV.GAVE.EHZ. 2021-06-22T06:37:52.65 0.6 undecidable manual S 41 35.8419 50 -0.18 47
IV.ASSB.HHZ. 2021-06-22T06:37:51.92 0.3 undecidable manual P 4 66.0894 50 -0.25 66
IV.SMA1.EHZ. 2021-06-22T06:37:51.71 0.3 undecidable manual P 71 62.9925 50 0.03 70
IV.CERT.HHZ. 2021-06-22T06:37:51.87 0.3 undecidable manual P 151 63.3921 50 0.12 68
IV.MGAB.HHZ. 2021-06-22T06:37:51.98 0.3 undecidable manual P 322 65.3901 50 -0.09 69
IV.TOLF.HHN. 2021-06-22T06:37:51.98 0.3 undecidable manual P 230 65.49 50 -0.1 68
IV.NRCA.HHZ. 2021-06-22T06:37:50.91 0.1 undecidable manual P 44 59.5959 50 -0.25 89
IV.FIAM.HHZ. 2021-06-22T06:37:49.00 0.3 undecidable manual P 115 46.4202 50 -0.14 70
IV.BARO.EHZ. 2021-06-22T06:37:49.71 0.6 undecidable manual P 244 50.616 50 -0.07 47
IV.MTCE.HHZ. 2021-06-22T06:37:49.54 0.6 undecidable manual P 167 48.5181 50 0.08 47
IT.MMP1.HGE. 2021-06-22T06:37:49.57 0.6 undecidable manual S 152 24.9528 109 0.15 49
IV.RM33.EHZ. 2021-06-22T06:37:49.56 0.3 undecidable manual P 82 50.2164 50 -0.17 69
IV.SRES.HHZ. 2021-06-22T06:37:48.92 0.6 undecidable manual S 199 24.753 109 -0.42 46
IV.LNSS.HHZ. 2021-06-22T06:37:47.93 0.1 undecidable manual P 64 39.4272 50 -0.13 95
IV.GAVE.EHZ. 2021-06-22T06:37:47.35 0.1 positive manual P 41 35.8419 50 -0.17 95
IV.CESX.HHZ. 2021-06-22T06:37:47.29 0.6 undecidable manual S 355 17.871 116 0.14 49
IT.GNU.HGE. 2021-06-22T06:37:47.76 0.3 undecidable manual P 356 39.5271 50 -0.32 68
IV.MOMA.HHZ. 2021-06-22T06:37:47.71 0.1 positive manual P 356 39.5271 50 -0.37 90
IV.ARRO.EHZ. 2021-06-22T06:37:47.21 1.0 undecidable manual S 42 19.5693 114 -0.46 23
IV.SRES.HHZ. 2021-06-22T06:37:45.66 0.3 undecidable manual P 199 24.753 109 0.16 73
IT.MMP1.HGE. 2021-06-22T06:37:45.73 0.3 undecidable manual P 152 24.9528 109 0.18 72
IV.CESX.HHZ. 2021-06-22T06:37:44.30 0.1 positive manual P 355 17.871 116 0.07 100
IV.ARRO.EHZ. 2021-06-22T06:37:44.67 0.1 undecidable manual P 42 19.5693 114 0.13 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESX.HHN. ML:2.0 0.0008035 0.84 AML other m 2021-06-22T06:37:47.51
IV.CESX.HHE. ML:2.1 0.0010195 1.76 AML other m 2021-06-22T06:37:48.08
IV.ARRO.EHE. ML:2.0 0.0008209999999999999 0.88 AML other m 2021-06-22T06:37:50.39
IV.ARRO.EHN. ML:1.8 0.000575 0.58 AML other m 2021-06-22T06:37:51.46
IV.SRES.HHE. ML:1.8 0.000414 1.2 AML other m 2021-06-22T06:37:52.22
IV.MOMA.HHE. ML:2.3 0.0007745 1.5 AML other m 2021-06-22T06:37:54.22
IV.MOMA.HNE. ML:2.3 0.00078 1.5 AML other m 2021-06-22T06:37:54.22
IV.SRES.HHN. ML:1.7 0.0002925 0.46 AML other m 2021-06-22T06:37:54.45
IV.GAVE.HNN. ML:1.9 0.00032900000000000003 1.46 AML other m 2021-06-22T06:37:54.08
IV.GAVE.HNE. ML:2.2 0.0006605000000000001 0.56 AML other m 2021-06-22T06:37:54.56
IV.GAVE.EHE. ML:2.2 0.0006395 0.58 AML other m 2021-06-22T06:37:54.56
IV.MOMA.HNN. ML:2.4 0.000973 0.82 AML other m 2021-06-22T06:37:54.45
IV.LNSS.HHE. ML:2.4 0.0008885000000000001 0.1 AML other m 2021-06-22T06:37:55.07
IV.MOMA.HHN. ML:2.2 0.000609 0.28 AML other m 2021-06-22T06:37:55.45
IV.GAVE.EHN. ML:2.1 0.000507 1.18 AML other m 2021-06-22T06:37:56.19
IV.LNSS.HHN. ML:2.1 0.0004685 0.24 AML other m 2021-06-22T06:37:57.64
IV.RM33.EHE. ML:1.9 0.0001885 1.14 AML other m 2021-06-22T06:37:58.28
IV.NRCA.HHE. ML:2.3 0.000375 0.16 AML other m 2021-06-22T06:38:00.56
IV.NRCA.HNE. ML:2.2 0.00034100000000000005 0.44 AML other m 2021-06-22T06:38:00.49
IV.NRCA.HNN. ML:2.1 0.0002785 1 AML other m 2021-06-22T06:38:01.01
IV.NRCA.HHN. ML:2.1 0.00026450000000000003 1.84 AML other m 2021-06-22T06:38:01.01
IV.FIAM.HHN. ML:1.5 0.00009855 0.9 AML other m 2021-06-22T06:38:01.08
IV.BARO.EHE. ML:1.1 0.000033050000000000004 0.6 AML other m 2021-06-22T06:38:01.76
IV.RM33.EHN. ML:1.7 0.000129 1.18 AML other m 2021-06-22T06:38:01.83
IV.SMA1.EHE. ML:2.1 0.00023400000000000002 0.94 AML other m 2021-06-22T06:38:02.34
IV.CERT.HHN. ML:1.8 0.000129 0.72 AML other m 2021-06-22T06:38:02.76
IV.SMA1.EHN. ML:1.9 0.00014850000000000003 0.52 AML other m 2021-06-22T06:38:02.42
IV.CERT.HHE. ML:1.8 0.000124 0.58 AML other m 2021-06-22T06:38:03.35
IV.MGAB.HHE. ML:2.0 0.00019800000000000002 1.26 AML other m 2021-06-22T06:38:03.91
IV.BARO.EHN. ML:1.5 0.0000752 0.76 AML other m 2021-06-22T06:38:03.70
IV.MGAB.HHN. ML:2.0 0.000207 0.5 AML other m 2021-06-22T06:38:03.97
IV.FDMO.HHE. ML:2.2 0.00026450000000000003 0.42 AML other m 2021-06-22T06:38:05.01
IV.FDMO.HHN. ML:2.2 0.00023799999999999998 1.16 AML other m 2021-06-22T06:38:05.40
IV.ASSB.HHN. ML:1.9 0.00013550000000000001 0.9 AML other m 2021-06-22T06:38:06.53
IV.ASSB.HHE. ML:2.0 0.00019250000000000002 0.36 AML other m 2021-06-22T06:38:06.19
IV.FIAM.HHE. ML:1.5 0.00008705 0.58 AML other m 2021-06-22T06:38:06.35
IV.TERO.HHN. ML:1.6 0.00005485 0.58 AML other m 2021-06-22T06:38:06.64
IV.TST02.HHN. ML:2.2 0.0000854 1.74 AML other m 2021-06-22T06:38:07.96
IV.TERO.HHE. ML:1.8 0.0000892 0.68 AML other m 2021-06-22T06:38:11.51
IV.CSP1.EHN. ML:2.4 0.00031800000000000003 0.22 AML other m 2021-06-22T06:38:11.58
IV.CSP1.EHE. ML:2.4 0.00028849999999999997 0.82 AML other m 2021-06-22T06:38:12.41
IV.MURB.HHN. ML:2.6 0.0004485 0.36 AML other m 2021-06-22T06:38:12.74
IV.MURB.HNN. ML:2.6 0.000438 0.38 AML other m 2021-06-22T06:38:12.75
IV.EL6.EHE. ML:2.2 0.00013800000000000002 1.7 AML other m 2021-06-22T06:38:14.96
IV.MURB.HNE. ML:2.4 0.00032250000000000003 1.1 AML other m 2021-06-22T06:38:17.28
IV.MURB.HHE. ML:2.4 0.0003045 0.96 AML other m 2021-06-22T06:38:17.59
IV.EL6.EHN. ML:2.2 0.00014475 1.08 AML other m 2021-06-22T06:38:21.77
IV.TST02.HHE. ML:2.4 0.000129 0.32 AML other m 2021-06-22T06:38:34.62
IV.CELB.HHE. ML:2.3 0.0000537 0.06 AML other m 2021-06-22T06:38:56.64
IV.CELB.HHN. ML:2.2 0.000051500000000000005 0.06 AML other m 2021-06-22T06:38:56.62
GU.GSCL.HHN. ML:2.6 0.00006520000000000001 1.5 AML other m 2021-06-22T06:39:18.07
GU.GSCL.HHE. ML:2.5 0.0000537 0.62 AML other m 2021-06-22T06:39:22.57
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
Waveforms Seismic signals in miniseed + resp format Download