Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.6 on date 20-10-2022 and time 23:01:49 (UTC) in region 2 km NE Campoli Appennino (FR)

A magnitude ML 0.6 earthquake occured in region: 2 km NE Campoli Appennino (FR), on

  • 20-10-2022 23:01:49 (UTC)
  • 21-10-2022 01:01:49 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.7510, 13.6950 at 11 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.

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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
Campoli Appennino FR 2 1725 1725
Pescosolido FR 3 1555 3280
Posta Fibreno FR 6 1139 4419
Broccostella FR 7 2741 7160
Sora FR 7 26144 33304
Alvito FR 8 2713 36017
Vicalvi FR 8 783 36800
Fontechiari FR 9 1303 38103
Pescasseroli AQ 10 2203 40306
San Donato Val di Comino FR 11 2107 42413
Opi AQ 12 420 42833
Balsorano AQ 12 3569 46402
Isola del Liri FR 13 11715 58117
Arpino FR 13 7262 65379
Casalvieri FR 13 2698 68077
Gallinaro FR 13 1269 69346
Castelliri FR 14 3454 72800
Villavallelonga AQ 14 919 73719
Casalattico FR 15 574 74293
Settefrati FR 16 728 75021
Atina FR 17 4316 79337
San Vincenzo Valle Roveto AQ 17 2347 81684
Santopadre FR 17 1357 83041
Collelongo AQ 18 1233 84274
Picinisco FR 18 1218 85492
Monte San Giovanni Campano FR 19 12929 98421
Villa Latina FR 19 1241 99662
Fontana Liri FR 20 2953 102615
Villetta Barrea AQ 20 653 103268
Bisegna AQ 20 223 103491

Municipalities with at least 50000 inhabitants

An earthquake occurred to
71 Km SE of L'Aquila (69753 inhabitants)
73 Km E of Latina (125985 inhabitants)
76 Km E of Velletri (53303 inhabitants)
78 Km SW of Chieti (51815 inhabitants)
78 Km E of Tivoli (56533 inhabitants)
85 Km E of Guidonia Montecelio (88673 inhabitants)
89 Km E of Aprilia (73446 inhabitants)
90 Km SW of Pescara (121014 inhabitants)
92 Km NW of Caserta (76326 inhabitants)
93 Km SW of Montesilvano (53738 inhabitants)
95 Km E of Anzio (54211 inhabitants)
96 Km NW of Aversa (53047 inhabitants)
99 Km E of Pomezia (62966 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 0.6 2022-10-20
23:01:49		 41.7507 13.6947 11 2022-10-20
23:05:32		 Sala Sismica INGV-Roma 111013301
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-10-20 23:01:49 ± 0.05
Latitude 41.7507 ± 0.0027
Longitude 13.6947 ± 0.0036
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 111013301

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 271
Semi-minor axis of confidence ellipse (meter) 235
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 150
Circular confidence region, given by single value of horizontal uncertainty (meter) 270.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 118
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.09
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.30397
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 5
Magnitude information

ML:0.6

Field Value
Value 0.6
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 111013301
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-10-20 23:05:32
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PTRJ.HHZ. 2022-10-20T23:02:02.74 3.0 positive manual P -0.06 0
IV.INTR.HHZ. 2022-10-20T23:02:00.53 0.3 undecidable manual S 31 33.744 50 0.01 74
IV.LRP.EHZ. 2022-10-20T23:01:55.20 0.1 undecidable manual S 218 14.5743 127 -0.09 100
IV.VVLD.HHZ. 2022-10-20T23:01:55.20 0.3 undecidable manual S 336 14.4744 127 -0.06 75
IV.INTR.HHZ. 2022-10-20T23:01:55.58 0.6 undecidable manual P 31 33.744 50 -0.08 48
IT.OPI.HGE. 2022-10-20T23:01:54.41 0.3 undecidable manual S 76 11.5773 133 -0.09 75
IV.POFI.HHZ. 2022-10-20T23:01:53.04 0.3 undecidable manual S 159 3.996 160 0.05 77
IV.LRP.EHZ. 2022-10-20T23:01:52.70 0.6 positive manual P 218 14.5743 127 0.07 50
IV.VVLD.HHZ. 2022-10-20T23:01:52.79 0.6 undecidable manual P 336 14.4744 127 0.17 49
IT.OPI.HGE. 2022-10-20T23:01:52.20 0.3 undecidable manual P 76 11.5773 133 0.03 76
IV.POFI.HHZ. 2022-10-20T23:01:51.44 0.6 undecidable manual P 159 3.996 160 0.13 50
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.POFI.HHE. ML:0.4 0.0000413 1.28 AML other m 2022-10-20T23:01:53.25
IV.POFI.HHN. ML:0.3 0.000034149999999999997 1.48 AML other m 2022-10-20T23:01:53.22
IV.LRP.EHN. ML:0.5 0.000031995 0.22 AML other m 2022-10-20T23:01:55.42
IV.VVLD.HHE. ML:0.7 0.00004295 0.32 AML other m 2022-10-20T23:01:55.65
IV.VVLD.HHN. ML:0.7 0.00004565 0.26 AML other m 2022-10-20T23:01:55.86
IV.LRP.EHE. ML:0.9 0.00007475 0.26 AML other m 2022-10-20T23:01:55.64
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