Earthquake with magnitude of ML 0.9 on date 07-07-2021 and time 04:46:58 (UTC) in region 3 km N Sora (FR)

A magnitude ML 0.9 earthquake occured in region: 3 km N Sora (FR), on

  • 07-07-2021 04:46:58 (UTC)
  • 07-07-2021 06:46:58 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.7490, 13.6180 at 14 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
Sora FR 3 26144 26144
Pescosolido FR 3 1555 27699
Broccostella FR 5 2741 30440
Campoli Appennino FR 5 1725 32165
Balsorano AQ 8 3569 35734
Isola del Liri FR 9 11715 47449
Posta Fibreno FR 9 1139 48588
Castelliri FR 9 3454 52042
Fontechiari FR 10 1303 53345
Vicalvi FR 11 783 54128
Arpino FR 11 7262 61390
San Vincenzo Valle Roveto AQ 12 2347 63737
Alvito FR 12 2713 66450
Villavallelonga AQ 13 919 67369
Monte San Giovanni Campano FR 15 12929 80298
Casalvieri FR 15 2698 82996
Collelongo AQ 16 1233 84229
Pescasseroli AQ 16 2203 86432
Santopadre FR 16 1357 87789
Fontana Liri FR 16 2953 90742
Casalattico FR 17 574 91316
San Donato Val di Comino FR 17 2107 93423
Boville Ernica FR 17 8737 102160
Veroli FR 18 20560 122720
Opi AQ 18 420 123140
Gallinaro FR 18 1269 124409
Rocca d'Arce FR 18 959 125368
Arce FR 18 5756 131124
Morino AQ 19 1448 132572
Strangolagalli FR 19 2491 135063
Civita d'Antino AQ 20 979 136042

Municipalities with at least 50000 inhabitants

An earthquake occurred to
67 Km E of Latina (125985 inhabitants)
70 Km S of L'Aquila (69753 inhabitants)
70 Km E of Velletri (53303 inhabitants)
72 Km E of Tivoli (56533 inhabitants)
79 Km E of Guidonia Montecelio (88673 inhabitants)
81 Km SW of Chieti (51815 inhabitants)
82 Km E of Aprilia (73446 inhabitants)
89 Km E of Anzio (54211 inhabitants)
93 Km E of Pomezia (62966 inhabitants)
94 Km SW of Pescara (121014 inhabitants)
95 Km E of Roma (2864731 inhabitants)
96 Km NW of Caserta (76326 inhabitants)
96 Km SW of Montesilvano (53738 inhabitants)
99 Km NW of Aversa (53047 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 0.9 2021-07-07
04:46:58
41.749 13.6183 14 2021-07-07
04:59:02
Sala Sismica INGV-Roma 92336121
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-07-07 04:46:58 ± 0.08
Latitude 41.7490 ± 0.0036
Longitude 13.6183 ± 0.0036
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 92336121

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 389
Semi-minor axis of confidence ellipse (meter) 44
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 192
Circular confidence region, given by single value of horizontal uncertainty (meter) 390.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 76
Number of associated phases, regardless of their use for origin computation 39
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.51441
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 10
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 92336121
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-07-07 04:59:02
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TDS.HHZ. 2021-07-07T04:48:33.79 3.0 undecidable manual Sg 13.06 0
IV.HAVL.HHZ. 2021-07-07T04:48:19.18 3.0 undecidable manual Pg 15.6 0
IV.VENL.EHZ. 2021-07-07T04:48:18.01 3.0 undecidable manual Sn -6.77 0
GU.MGRO.HHZ. 2021-07-07T04:48:02.91 3.0 undecidable manual Pg 11.72 0
ST.DOSS.HHZ. 2021-07-07T04:47:54.40 3.0 positive manual Pn 3.56 0
IV.CSLB.HHZ. 2021-07-07T04:47:49.01 3.0 positive manual Pn 1.71 0
IV.FIR.HHZ. 2021-07-07T04:47:48.23 3.0 undecidable manual Sn -3.06 0
IV.SCIAR.HHZ. 2021-07-07T04:47:47.12 3.0 undecidable manual Pn 0.61 0
IV.CAVE.HHZ. 2021-07-07T04:47:38.59 3.0 negative manual Pn 0.31 0
IV.PZUN.HHZ. 2021-07-07T04:47:35.74 3.0 undecidable manual Pg 7.61 0
IV.SCHR.EHZ. 2021-07-07T04:47:31.81 3.0 positive manual Pn -1.85 0
IV.BRSN.EHZ. 2021-07-07T04:47:29.42 3.0 negative manual Pn 1.92 0
IV.SLCN.HHZ. 2021-07-07T04:47:28.20 3.0 undecidable manual Pn -0.13 0
IX.SSB3.HHZ.02 2021-07-07T04:47:26.15 3.0 negative manual Pg 5.96 0
IV.RUFI.EHZ. 2021-07-07T04:47:24.01 3.0 negative manual Pn 0.65 0
IV.MTMR.EHZ. 2021-07-07T04:47:20.54 3.0 undecidable manual Pn 1.58 0
IV.MMUR.HNZ. 2021-07-07T04:47:19.10 3.0 positive manual Pg 3.63 0
IV.CERT.HNE. 2021-07-07T04:47:15.83 0.1 undecidable manual S 293 57.0984 94 0 92
IV.INTR.HHZ. 2021-07-07T04:47:10.54 0.1 undecidable manual S 39 37.5291 97 -0.09 94
IV.CERA.HHZ. 2021-07-07T04:47:10.47 0.6 undecidable manual S 117 37.1295 97 -0.06 47
IV.GIUL.HHZ. 2021-07-07T04:47:10.70 0.1 undecidable manual S 235 36.8298 97 0.25 92
IV.PTQR.HHE. 2021-07-07T04:47:10.62 0.3 undecidable manual S 329 35.2425 98 0.6 63
IV.CERT.HNE. 2021-07-07T04:47:07.96 0.1 undecidable manual P 293 57.0984 94 -0.38 85
IV.GUAR.HHZ. 2021-07-07T04:47:07.47 0.1 undecidable manual S 281 25.8519 103 -0.08 96
IT.OPI.HGN. 2021-07-07T04:47:05.54 0.1 undecidable manual S 80 17.7711 114 0.03 100
IV.INTR.HHZ. 2021-07-07T04:47:05.21 0.3 positive manual P 39 37.5291 97 -0.13 70
IV.CERA.HHZ. 2021-07-07T04:47:05.64 0.3 undecidable manual P 117 37.1295 97 0.36 68
IV.GIUL.HHZ. 2021-07-07T04:47:05.16 0.1 undecidable manual P 235 36.8298 97 -0.08 94
IV.PTQR.HHE. 2021-07-07T04:47:04.92 0.3 undecidable manual P 329 35.2425 98 -0.07 71
IV.VVLD.HHZ. 2021-07-07T04:47:04.46 0.1 undecidable manual S 2 13.3755 125 -0.03 100
IV.LRP.EHZ. 2021-07-07T04:47:04.00 0.1 undecidable manual S 193 11.5773 130 -0.11 98
IV.GUAR.HHZ. 2021-07-07T04:47:03.51 0.1 undecidable manual P 281 25.8519 103 -0.05 97
IV.POFI.HHZ. 2021-07-07T04:47:03.48 0.1 undecidable manual S 114 8.4804 141 -0.05 100
IT.OPI.HGN. 2021-07-07T04:47:02.38 0.1 undecidable manual P 80 17.7711 114 0 99
IV.LRP.EHZ. 2021-07-07T04:47:01.57 1.0 undecidable manual P 193 11.5773 130 -0.01 25
IV.VIVA.HHZ. 2021-07-07T04:47:01.83 3.0 undecidable manual S 0
IV.VVLD.HHZ. 2021-07-07T04:47:01.92 0.1 positive manual P 2 13.3755 125 0.13 98
IV.VIVA.HHZ. 2021-07-07T04:47:01.11 3.0 undecidable manual P 0
IV.POFI.HHZ. 2021-07-07T04:47:01.32 0.3 undecidable manual P 114 8.4804 141 0.08 75
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.POFI.HHE. ML:0.8 0.000065914615 0.0576 AML other m 2021-07-07T04:47:03.94
IV.POFI.HHN. ML:0.8 0.00006341395499999999 0.24 AML other m 2021-07-07T04:47:03.96
IV.LRP.EHN. ML:1.1 0.00011303751500000001 0.1408 AML other m 2021-07-07T04:47:04.20
IV.VVLD.HHN. ML:1.4 0.00021450000000000004 0.28 AML other m 2021-07-07T04:47:04.75
IV.VVLD.HHE. ML:1.1 0.000102197325 0.1184 AML other m 2021-07-07T04:47:04.60
IV.LRP.EHE. ML:1.3 0.000179870065 0.08 AML other m 2021-07-07T04:47:04.92
IV.GIUL.HHN. ML:0.7 0.00002210964 0.1408 AML other m 2021-07-07T04:47:10.80
IV.GIUL.HHE. ML:0.6 0.000016841675 0.1408 AML other m 2021-07-07T04:47:11.88
IV.INTR.HHE. ML:0.8 0.00002630027 0.3008 AML other m 2021-07-07T04:47:12.51
IV.INTR.HHN. ML:0.8 0.000026092525 0.2016 AML other m 2021-07-07T04:47:13.66
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