Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 01-07-2023 and time 11:00:46 (Italy) in region 2 km E Campoli Appennino (FR)

A magnitude ML 1.6 earthquake occured in region: 2 km E Campoli Appennino (FR), on

  • 01-07-2023 09:00:46 (UTC)
  • 01-07-2023 11:00:46 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.7330, 13.7010 at 4 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 4 1555 3280
Posta Fibreno FR 4 1139 4419
Alvito FR 6 2713 7132
Vicalvi FR 6 783 7915
Broccostella FR 6 2741 10656
Fontechiari FR 7 1303 11959
Sora FR 7 26144 38103
San Donato Val di Comino FR 10 2107 40210
Casalvieri FR 11 2698 42908
Pescasseroli AQ 11 2203 45111
Gallinaro FR 12 1269 46380
Arpino FR 12 7262 53642
Opi AQ 12 420 54062
Isola del Liri FR 12 11715 65777
Casalattico FR 13 574 66351
Castelliri FR 14 3454 69805
Balsorano AQ 14 3569 73374
Settefrati FR 14 728 74102
Atina FR 15 4316 78418
Santopadre FR 15 1357 79775
Villavallelonga AQ 16 919 80694
Picinisco FR 17 1218 81912
Villa Latina FR 17 1241 83153
Fontana Liri FR 18 2953 86106
Monte San Giovanni Campano FR 19 12929 99035
San Vincenzo Valle Roveto AQ 19 2347 101382
Rocca d'Arce FR 19 959 102341
Arce FR 19 5756 108097
Belmonte Castello FR 20 739 108836
Villetta Barrea AQ 20 653 109489
Collelongo AQ 20 1233 110722

Municipalities with at least 50000 inhabitants

An earthquake occurred to
73 Km E of Latina (125985 inhabitants)
73 Km SE of L'Aquila (69753 inhabitants)
77 Km E of Velletri (53303 inhabitants)
79 Km SW of Chieti (51815 inhabitants)
79 Km E of Tivoli (56533 inhabitants)
86 Km E of Guidonia Montecelio (88673 inhabitants)
89 Km E of Aprilia (73446 inhabitants)
90 Km NW of Caserta (76326 inhabitants)
92 Km SW of Pescara (121014 inhabitants)
94 Km NW of Aversa (53047 inhabitants)
95 Km SW of Montesilvano (53738 inhabitants)
95 Km E of Anzio (54211 inhabitants)
99 Km NW of Giugliano in Campania (122974 inhabitants)
100 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 1.6 2023-07-01
09:00:46		 41.7332 13.7012 4 2023-07-01
09:12:14		 Sala Sismica INGV-Roma 118872091
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-07-01 09:00:46 ± 0.11
Latitude 41.7332 ± 0.0054
Longitude 13.7012 ± 0.0072
Depth (km) 4 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 118872091

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 614
Semi-minor axis of confidence ellipse (meter) 292
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 283
Circular confidence region, given by single value of horizontal uncertainty (meter) 610.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 80
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) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.49912
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 11
Magnitude information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 118872091
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-07-01 09:12:14
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.T0110.HHN. 2023-07-01T09:01:05.18 0.6 undecidable manual S 6 55.4001 50 0.36 45
IV.PTQR.HHZ. 2023-07-01T09:01:00.59 0.6 undecidable manual S 322 40.5261 96 0.37 46
IV.GIUL.HHZ. 2023-07-01T09:01:00.15 0.6 undecidable manual S 242 41.8248 96 -0.51 44
IV.INTR.HHZ. 2023-07-01T09:00:58.40 0.6 undecidable manual S 28 35.1426 97 0.03 49
IV.T0110.HHN. 2023-07-01T09:00:56.19 0.1 undecidable manual P 6 55.4001 50 -0.71 79
IV.MCI.EHZ. 2023-07-01T09:00:56.33 0.6 undecidable manual S 161 28.4493 99 0.27 48
IV.GIUL.HHZ. 2023-07-01T09:00:54.19 0.6 positive manual P 242 41.8248 96 -0.31 46
IV.PTQR.HHZ. 2023-07-01T09:00:53.64 1.0 undecidable manual P 322 40.5261 96 -0.6 21
IV.RNI2.HNE. 2023-07-01T09:00:53.41 0.1 undecidable manual P 95 37.5291 97 -0.24 94
IV.INTR.HHZ. 2023-07-01T09:00:52.90 0.3 positive manual P 28 35.1426 97 -0.28 70
IV.VVLD.HHZ. 2023-07-01T09:00:52.43 0.6 undecidable manual S 337 16.4724 105 0.45 47
IV.MCI.EHZ. 2023-07-01T09:00:52.35 0.1 undecidable manual P 161 28.4493 99 0.51 90
IV.CERA.HHZ. 2023-07-01T09:00:52.00 1.0 negative manual P 120 30.2475 98 -0.21 24
IV.LRP.EHZ. 2023-07-01T09:00:51.32 0.6 undecidable manual S 225 13.4754 108 0.33 48
IT.OPI.HGN. 2023-07-01T09:00:50.75 0.6 undecidable manual S 66 11.6772 110 0.34 48
IV.GUMA.HHZ. 2023-07-01T09:00:49.71 3.0 positive manual Pg -9.99 0
IV.LRP.EHZ. 2023-07-01T09:00:49.12 0.1 undecidable manual P 225 13.4754 108 0.2 99
IV.VVLD.HHZ. 2023-07-01T09:00:49.64 0.1 undecidable manual P 337 16.4724 105 0.15 100
IT.OPI.HGN. 2023-07-01T09:00:48.80 0.1 undecidable manual P 66 11.6772 110 0.22 99
IV.POFI.HNZ. 2023-07-01T09:00:47.15 0.6 undecidable manual S 153 1.998 156 -0.58 46
IV.POFI.HNZ. 2023-07-01T09:00:46.78 0.1 undecidable manual P 153 1.998 156 -0.25 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LRP.EHN. ML:1.1 0.000154 1.06 AML other m 2023-07-01T09:00:52.98
IV.LRP.EHE. ML:1.6 0.0005245 0.38 AML other m 2023-07-01T09:00:52.70
IV.VVLD.HHE. ML:1.7 0.0005135000000000001 0.44 AML other m 2023-07-01T09:00:53.55
IV.VVLD.HNE. ML:1.7 0.00049 0.48 AML other m 2023-07-01T09:00:53.09
IV.VVLD.HHN. ML:1.6 0.0004575 1.46 AML other m 2023-07-01T09:00:53.02
IV.VVLD.HNN. ML:1.6 0.00044050000000000003 1 AML other m 2023-07-01T09:00:54.93
IV.INTR.HHE. ML:1.6 0.00014850000000000003 0.6 AML other m 2023-07-01T09:00:59.43
IV.CERA.HHE. ML:1.8 0.00029049999999999996 1.28 AML other m 2023-07-01T09:00:59.93
IV.INTR.HHN. ML:1.7 0.0002315 1.06 AML other m 2023-07-01T09:01:00.38
IV.CERA.HHN. ML:1.6 0.00021100000000000003 1.44 AML other m 2023-07-01T09:01:01.10
IV.PTQR.HHE. ML:1.3 0.0000652 0.42 AML other m 2023-07-01T09:01:03.07
IV.PTQR.HHN. ML:1.1 0.00004355 0.72 AML other m 2023-07-01T09:01:03.46
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