Earthquake with magnitude of ML 1.3 on date 14-07-2021 and time 00:10:46 (Italy) in region 6 km N Cottanello (RI)

A magnitude ML 1.3 earthquake occured in region: 6 km N Cottanello (RI), on

  • 13-07-2021 22:10:46 (UTC)
  • 14-07-2021 00:10:46 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.4560, 12.6980 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Cottanello RI 6 563 563
Stroncone TR 6 4917 5480
Configni RI 6 633 6113
Greccio RI 6 1558 7671
Contigliano RI 8 3783 11454
Montasola RI 8 395 11849
Colli sul Velino RI 8 533 12382
Vacone RI 9 256 12638
Labro RI 12 374 13012
Calvi dell'Umbria TR 12 1856 14868
Torri in Sabina RI 12 1256 16124
Terni TR 12 111501 127625
Montebuono RI 13 883 128508
Casperia RI 13 1246 129754
Morro Reatino RI 14 373 130127
Tarano RI 14 1444 131571
Rieti RI 15 47698 179269
Rivodutri RI 15 1253 180522
Roccantica RI 15 563 181085
Arrone TR 15 2763 183848
Monte San Giovanni in Sabina RI 16 714 184562
Selci RI 16 1106 185668
Poggio Bustone RI 16 2055 187723
Narni TR 17 19785 207508
Montefranco TR 17 1276 208784
Cantalupo in Sabina RI 17 1685 210469
Cantalice RI 17 2755 213224
Poggio Catino RI 18 1341 214565
Collevecchio RI 18 1577 216142
Otricoli TR 18 1869 218011
Polino TR 19 233 218244
Forano RI 19 3179 221423
Ferentillo TR 20 1913 223336

Municipalities with at least 50000 inhabitants

An earthquake occurred to
12 Km SE of Terni (111501 inhabitants)
49 Km E of Viterbo (67173 inhabitants)
51 Km N of Guidonia Montecelio (88673 inhabitants)
55 Km N of Tivoli (56533 inhabitants)
56 Km S of Foligno (57155 inhabitants)
59 Km W of L'Aquila (69753 inhabitants)
65 Km N of Roma (2864731 inhabitants)
77 Km SE of Perugia (166134 inhabitants)
85 Km E of Civitavecchia (52991 inhabitants)
85 Km NE of Fiumicino (78395 inhabitants)
86 Km W of Teramo (54892 inhabitants)
86 Km N of Velletri (53303 inhabitants)
89 Km N of Pomezia (62966 inhabitants)
96 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
Reviewed
Rev100
ML 1.3 2021-07-13
22:10:46
42.4563 12.6983 9 2021-07-13
22:27:00
Sala Sismica INGV-Roma 92729631
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-07-13 22:10:46 ± 0.07
Latitude 42.4563 ± 0.0036
Longitude 12.6983 ± 0.0061
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 92729631

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 496
Semi-minor axis of confidence ellipse (meter) 273
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 288
Circular confidence region, given by single value of horizontal uncertainty (meter) 500.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 88
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 20
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) 0.52161
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.1
Num. used stations 13
Type of magnitude ML
Reference to an origin 92729631
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-07-13 22:27:00
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MMUR.HNZ. 2021-07-13T22:11:20.09 3.0 undecidable manual S -0.22 0
IV.BARO.EHE. 2021-07-13T22:11:04.37 0.6 undecidable manual S 247 57.8976 50 -0.21 45
IV.SMA1.EHZ. 2021-07-13T22:11:04.40 0.3 undecidable manual S 69 55.5 50 0.45 65
IV.NRCA.HHZ. 2021-07-13T22:11:03.92 0.3 undecidable manual S 39 53.9016 50 0.41 66
IV.RM33.EHZ. 2021-07-13T22:11:00.74 0.3 undecidable manual S 82 42.624 50 0.23 70
IV.GAVE.EHZ. 2021-07-13T22:10:57.04 0.3 undecidable manual S 31 30.6471 106 -0.17 72
IV.LNSS.HHE. 2021-07-13T22:10:57.61 0.3 undecidable manual S 60 32.3454 50 -0.15 72
IV.SMA1.EHZ. 2021-07-13T22:10:56.21 0.1 undecidable manual P 69 55.5 50 -0.22 91
IV.SRES.HHZ. 2021-07-13T22:10:56.52 0.3 undecidable manual S 212 28.8489 107 -0.08 74
IV.BARO.EHE. 2021-07-13T22:10:56.85 1.0 undecidable manual P 247 57.8976 50 0.06 23
IV.NRCA.HHZ. 2021-07-13T22:10:55.91 0.1 undecidable manual P 39 53.9016 50 -0.27 90
IV.RM33.EHZ. 2021-07-13T22:10:54.31 0.1 undecidable manual P 82 42.624 50 -0.13 95
IT.MMP1.HGZ. 2021-07-13T22:10:54.77 0.3 undecidable manual S 170 23.3544 110 -0.02 75
IV.CESX.HHZ. 2021-07-13T22:10:53.75 0.3 undecidable manual S 332 19.1697 114 0.29 72
IV.SRES.HHZ. 2021-07-13T22:10:52.75 0.6 undecidable manual P 212 28.8489 107 0.57 44
IV.GAVE.EHZ. 2021-07-13T22:10:52.62 0.1 undecidable manual P 31 30.6471 106 0.08 98
IV.LNSS.HHE. 2021-07-13T22:10:52.62 0.1 undecidable manual P 60 32.3454 50 -0.24 94
IT.MMP1.HGZ. 2021-07-13T22:10:51.21 0.3 undecidable manual P 170 23.3544 110 0.07 74
IV.ARRO.EHZ. 2021-07-13T22:10:51.85 0.6 undecidable manual S 22 14.6742 121 -0.22 49
IV.CESX.HHZ. 2021-07-13T22:10:50.25 0.1 undecidable manual P 332 19.1697 114 -0.12 99
IV.ARRO.EHZ. 2021-07-13T22:10:49.67 0.1 undecidable manual P 22 14.6742 121 0.1 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ARRO.EHE. ML:1.3 0.00022005845000000002 0.2816 AML other m 2021-07-13T22:10:54.78
IV.CESX.HHN. ML:1.2 0.000121 0.32 AML other m 2021-07-13T22:10:54.68
IV.ARRO.EHN. ML:1.3 0.000222413 0.2432 AML other m 2021-07-13T22:10:52.57
IV.CESX.HHE. ML:1.2 0.0001334071 0.384 AML other m 2021-07-13T22:10:54.67
IV.GAVE.EHE. ML:1.4 0.00012959075 0.128 AML other m 2021-07-13T22:10:57.89
IV.GAVE.EHN. ML:1.4 0.0001315979 0.1024 AML other m 2021-07-13T22:10:57.90
IV.GAVE.HNE. ML:1.4 0.00013705846 0.448 AML other m 2021-07-13T22:10:56.81
IV.GAVE.HNN. ML:1.1 0.0000527249225 0.1664 AML other m 2021-07-13T22:10:57.89
IV.RM33.EHE. ML:1.3 0.00007025191 0.2944 AML other m 2021-07-13T22:11:01.69
IV.RM33.EHN. ML:1.2 0.000053339225500000006 0.256 AML other m 2021-07-13T22:11:01.77
IV.NRCA.HHE. ML:1.5 0.00007714591 0.2176 AML other m 2021-07-13T22:11:05.47
IV.NRCA.HHN. ML:1.2 0.00003892176 0.128 AML other m 2021-07-13T22:11:05.34
IV.NRCA.HNE. ML:1.5 0.00007220065000000001 0.1536 AML other m 2021-07-13T22:11:05.22
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