Earthquake with magnitude of ML 0.8 on date 20-04-2022 and time 00:44:05 (UTC) in region 3 km NW Sora (FR)

A magnitude ML 0.8 earthquake occured in region: 3 km NW Sora (FR), on

  • 20-04-2022 00:44:05 (UTC)
  • 20-04-2022 02:44:05 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.7420, 13.5850 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
Sora FR 3 26144 26144
Broccostella FR 6 2741 28885
Pescosolido FR 6 1555 30440
Isola del Liri FR 7 11715 42155
Balsorano AQ 7 3569 45724
Castelliri FR 7 3454 49178
Campoli Appennino FR 8 1725 50903
Arpino FR 11 7262 58165
Posta Fibreno FR 11 1139 59304
Fontechiari FR 11 1303 60607
San Vincenzo Valle Roveto AQ 12 2347 62954
Vicalvi FR 12 783 63737
Monte San Giovanni Campano FR 13 12929 76666
Alvito FR 14 2713 79379
Boville Ernica FR 14 8737 88116
Villavallelonga AQ 14 919 89035
Fontana Liri FR 15 2953 91988
Veroli FR 15 20560 112548
Santopadre FR 16 1357 113905
Casalvieri FR 16 2698 116603
Collelongo AQ 16 1233 117836
Arce FR 17 5756 123592
Rocca d'Arce FR 17 959 124551
Morino AQ 17 1448 125999
Strangolagalli FR 17 2491 128490
Casalattico FR 18 574 129064
Collepardo FR 18 968 130032
Civita d'Antino AQ 19 979 131011
Pescasseroli AQ 19 2203 133214
Ripi FR 19 5270 138484
San Donato Val di Comino FR 19 2107 140591
Torrice FR 20 4816 145407

Municipalities with at least 50000 inhabitants

An earthquake occurred to
64 Km E of Latina (125985 inhabitants)
67 Km E of Velletri (53303 inhabitants)
70 Km S of L'Aquila (69753 inhabitants)
70 Km E of Tivoli (56533 inhabitants)
77 Km E of Guidonia Montecelio (88673 inhabitants)
80 Km E of Aprilia (73446 inhabitants)
83 Km SW of Chieti (51815 inhabitants)
86 Km E of Anzio (54211 inhabitants)
90 Km E of Pomezia (62966 inhabitants)
93 Km E of Roma (2864731 inhabitants)
96 Km SW of Pescara (121014 inhabitants)
97 Km NW of Caserta (76326 inhabitants)
98 Km SW of Montesilvano (53738 inhabitants)
100 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 0.8 2022-04-20
00:44:05
41.742 13.5853 9 2022-04-20
00:49:55
Sala Sismica INGV-Roma 103506461
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-04-20 00:44:05 ± 0.1
Latitude 41.7420 ± 0.0027
Longitude 13.5853 ± 0.0072
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 103506461

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 508
Semi-minor axis of confidence ellipse (meter) 291
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 96
Circular confidence region, given by single value of horizontal uncertainty (meter) 510.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 139
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 7
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.11
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.30757
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 4
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.8
Num. used stations 6
Type of magnitude ML
Reference to an origin 103506461
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-04-20 00:49:55
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.GSCL.HHZ. 2022-04-20T00:45:36.60 3.0 undecidable manual Sg 4.16 0
IV.CRTC.HHZ. 2022-04-20T00:45:01.21 3.0 undecidable manual Sg -0.15 0
IV.ATFO.HHZ. 2022-04-20T00:44:56.42 3.0 undecidable manual Sg 1.61 0
IV.MCRV.HHZ. 2022-04-20T00:44:52.26 3.0 undecidable manual Sg 15.29 0
MN.TRI.HHZ. 2022-04-20T00:44:44.51 3.0 negative manual Pn -9.99 0
IV.SNTG.HHZ. 2022-04-20T00:44:42.08 3.0 undecidable manual Sn -8.12 0
IV.VCEL.EHZ. 2022-04-20T00:44:33.04 3.0 undecidable manual Sg 2.01 0
IV.SACR.HHZ. 2022-04-20T00:44:27.91 3.0 undecidable manual Sn 0.35 0
IX.SCL3.EHZ.02 2022-04-20T00:44:20.55 3.0 negative manual Pn 0.14 0
IV.GIUL.HHZ. 2022-04-20T00:44:12.21 0.6 negative manual P 233 34.1436 50 -0.09 47
IV.VITU.HHZ. 2022-04-20T00:44:12.04 3.0 undecidable manual P -0.16 0
IV.VVLD.HHZ. 2022-04-20T00:44:11.20 0.1 undecidable manual S 12 14.4744 122 -0.04 99
IV.POFI.HHZ. 2022-04-20T00:44:10.13 0.1 undecidable manual S 105 10.878 129 -0.08 99
IV.LRP.EHZ. 2022-04-20T00:44:10.12 0.1 undecidable manual S 179 10.5783 130 -0.01 100
IV.LRP.EHZ. 2022-04-20T00:44:08.17 1.0 negative manual P 179 10.5783 130 0.07 25
IV.POFI.HHZ. 2022-04-20T00:44:08.36 0.6 undecidable manual P 105 10.878 129 0.21 48
IV.VVLD.HHZ. 2022-04-20T00:44:08.85 0.6 positive manual P 12 14.4744 122 0.1 49
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.POFI.HHE. ML:0.3 0.000025450000000000002 0.48 AML other m 2022-04-20T00:44:10.45
IV.POFI.HHN. ML:0.4 0.000029900000000000002 1.38 AML other m 2022-04-20T00:44:11.18
IV.VVLD.HHN. ML:0.8 0.00006425 0.22 AML other m 2022-04-20T00:44:11.35
IV.VVLD.HHE. ML:0.8 0.0000629 0.16 AML other m 2022-04-20T00:44:11.46
IX.SCL3.EHE.02 ML:3.4 0.0007735 0.06 AML other m 2022-04-20T00:44:30.14
IX.SCL3.EHN.02 ML:3.2 0.0004385 0.4 AML other m 2022-04-20T00:44:55.69
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