Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 12-01-2023 and time 16:25:35 (UTC) in region 4 km N San Donato Val di Comino (FR)

A magnitude ML 2.0 earthquake occured in region: 4 km N San Donato Val di Comino (FR), on

  • 12-01-2023 16:25:35 (UTC)
  • 12-01-2023 17:25:35 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.7440, 13.8240 at 12 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
San Donato Val di Comino FR 4 2107 2107
Opi AQ 4 420 2527
Pescasseroli AQ 8 2203 4730
Settefrati FR 8 728 5458
Alvito FR 9 2713 8171
Villetta Barrea AQ 9 653 8824
Gallinaro FR 10 1269 10093
Civitella Alfedena AQ 10 296 10389
Picinisco FR 11 1218 11607
Posta Fibreno FR 12 1139 12746
Campoli Appennino FR 12 1725 14471
Vicalvi FR 12 783 15254
Atina FR 14 4316 19570
Pescosolido FR 14 1555 21125
Barrea AQ 14 726 21851
Villa Latina FR 14 1241 23092
Fontechiari FR 15 1303 24395
Casalvieri FR 15 2698 27093
Casalattico FR 16 574 27667
Broccostella FR 16 2741 30408
San Biagio Saracinisco FR 17 349 30757
Alfedena AQ 18 864 31621
Sora FR 18 26144 57765
Scontrone AQ 18 574 58339
Belmonte Castello FR 18 739 59078
Scanno AQ 18 1847 60925
Pizzone IS 20 329 61254

Municipalities with at least 50000 inhabitants

An earthquake occurred to
73 Km SW of Chieti (51815 inhabitants)
76 Km SE of L'Aquila (69753 inhabitants)
82 Km E of Latina (125985 inhabitants)
86 Km NW of Caserta (76326 inhabitants)
87 Km SW of Pescara (121014 inhabitants)
87 Km E of Velletri (53303 inhabitants)
88 Km E of Tivoli (56533 inhabitants)
90 Km SW of Montesilvano (53738 inhabitants)
91 Km NW of Aversa (53047 inhabitants)
95 Km E of Guidonia Montecelio (88673 inhabitants)
96 Km NW of Giugliano in Campania (122974 inhabitants)
99 Km NW of Marano di Napoli (59874 inhabitants)
99 Km E of Aprilia (73446 inhabitants)
100 Km NW of Acerra (59573 inhabitants)
100 Km NW of Afragola (65057 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 2.0 2023-01-12
16:25:35		 41.7437 13.8243 12 2023-01-12
16:38:56		 Sala Sismica INGV-Roma 113498191
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-01-12 16:25:35 ± 0.07
Latitude 41.7437 ± 0.0045
Longitude 13.8243 ± 0.0048
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 113498191

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 495
Semi-minor axis of confidence ellipse (meter) 148
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 5
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) 60
Number of associated phases, regardless of their use for origin computation 48
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.48653
Number of stations at which the event was observed 36
Number of stations from which data was used for origin computation 12
Magnitude information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 51
Type of magnitude ML
Reference to an origin 113498191
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-01-12 16:38:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.MFNL.HHZ. 2023-01-12T16:27:31.41 3.0 undecidable manual Sg 9.78 0
IV.CRND.HNZ. 2023-01-12T16:27:30.97 3.0 undecidable manual Sn 2.19 0
IV.QLNO.HHZ. 2023-01-12T16:26:51.06 3.0 undecidable manual Pn 5.59 0
IV.CRND.HNZ. 2023-01-12T16:26:43.26 3.0 undecidable manual Pn 4.2 0
MN.TRI.HHZ. 2023-01-12T16:26:43.95 3.0 positive manual Pg 9.37 0
IV.MMGO.HHZ. 2023-01-12T16:26:42.92 3.0 undecidable manual Pn 6.23 0
OX.MARN.HHZ. 2023-01-12T16:26:40.04 3.0 negative manual Pn 0.55 0
IV.GIZZ.HHZ. 2023-01-12T16:26:33.68 3.0 negative manual Pg 8.05 0
CR.STON.BHZ. 2023-01-12T16:26:27.64 3.0 positive manual Pn 4.86 0
IV.SGO.HHZ. 2023-01-12T16:26:27.72 3.0 undecidable manual Sg 3.8 0
IV.SFI.EHZ. 2023-01-12T16:26:25.53 3.0 undecidable manual Pg 9.76 0
IV.SPS2.HHZ. 2023-01-12T16:26:21.84 3.0 undecidable manual Pn -1.11 0
IV.SALB.HHZ. 2023-01-12T16:26:18.22 3.0 positive manual Pn 1.26 0
IV.PTRP.HHZ. 2023-01-12T16:26:16.90 3.0 negative manual Pg 7.97 0
IV.MML1.EHZ. 2023-01-12T16:26:04.68 3.0 undecidable manual Pg 3.92 0
IV.MCRV.HHZ. 2023-01-12T16:26:02.74 3.0 undecidable manual P 3.29 0
IV.GIGS.HHZ. 2023-01-12T16:26:00.54 3.0 undecidable manual S -1.17 0
IV.CERT.HHZ. 2023-01-12T16:25:58.64 3.0 undecidable manual S -0.2 0
IV.VCRE.HHZ. 2023-01-12T16:25:54.45 3.0 positive manual P 0.1 0
IV.PAOL.HHZ. 2023-01-12T16:25:52.03 3.0 undecidable manual P -0.65 0
IV.T0110.HHZ. 2023-01-12T16:25:52.94 0.3 undecidable manual S 356 0.4865 91 0.1 70
IV.PTQR.HHZ. 2023-01-12T16:25:51.36 0.6 undecidable manual S 312 0.4209 92 0.48 44
IV.PIGN.HHZ. 2023-01-12T16:25:50.35 3.0 negative manual P 2.43 0
IV.LPEL.HHZ. 2023-01-12T16:25:50.79 0.6 undecidable manual S 41 0.4038 92 0.41 45
IV.GUAR.HHZ. 2023-01-12T16:25:49.86 0.3 undecidable manual S 278 0.3849 92 0.03 72
IV.CERT.HHZ. 2023-01-12T16:25:48.40 3.0 positive manual P -0.13 0
IV.LATB.EHZ. 2023-01-12T16:25:48.58 3.0 negative manual P -0.47 0
IV.VCEL.EHZ. 2023-01-12T16:25:48.05 3.0 positive manual P -0.68 0
IV.MCI.EHZ. 2023-01-12T16:25:46.08 0.3 undecidable manual S 182 0.2527 94 0.17 71
IV.INTR.HHZ. 2023-01-12T16:25:45.97 0.3 undecidable manual S 13 0.2743 93 -0.58 63
IV.T0110.HHZ. 2023-01-12T16:25:45.70 0.1 undecidable manual P 356 0.4865 91 -0.01 94
IV.GIUL.HHZ. 2023-01-12T16:25:44.88 3.0 positive manual P -0.07 0
IV.PTQR.HHZ. 2023-01-12T16:25:44.44 0.1 undecidable manual P 312 0.4209 92 -0.13 93
IV.CERA.HHZ. 2023-01-12T16:25:44.04 0.3 undecidable manual S 135 0.2050 96 -0.48 68
IV.VAGA.HHZ. 2023-01-12T16:25:44.84 3.0 positive manual P -0.37 0
IV.VVLD.HHZ. 2023-01-12T16:25:44.13 0.3 undecidable manual S 310 0.1961 97 -0.1 73
IV.PABO.HHZ. 2023-01-12T16:25:44.87 0.1 undecidable manual P 89 0.4191 92 0.32 90
IV.LRP.EHZ. 2023-01-12T16:25:44.38 0.3 undecidable manual S 242 0.2023 96 -0.04 75
IV.LPEL.HHZ. 2023-01-12T16:25:44.14 0.1 undecidable manual P 41 0.4038 92 -0.14 93
IV.GUAR.HHZ. 2023-01-12T16:25:43.86 0.1 negative manual P 278 0.3849 92 -0.11 94
IV.INTR.HHZ. 2023-01-12T16:25:42.15 0.1 positive manual P 13 0.2743 93 0.08 98
IV.RNI2.HHZ. 2023-01-12T16:25:42.09 0.1 negative manual P 99 0.2482 94 0.47 90
IV.POFI.HHZ. 2023-01-12T16:25:41.28 0.3 undecidable manual S 253 0.0881 128 0.05 76
IV.MCI.EHZ. 2023-01-12T16:25:41.42 0.1 undecidable manual P 182 0.2527 94 -0.28 94
IV.VVLD.HHZ. 2023-01-12T16:25:40.80 0.1 negative manual P 310 0.1961 97 0.07 99
IV.LRP.EHZ. 2023-01-12T16:25:40.83 0.1 positive manual P 242 0.2023 96 -0.01 100
IV.CERA.HHZ. 2023-01-12T16:25:40.62 0.1 undecidable manual P 135 0.2050 96 -0.28 95
IV.POFI.HHZ. 2023-01-12T16:25:39.17 0.1 negative manual P 253 0.0881 128 0.17 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.POFI.HHE. ML:2.2 0.0018618839999999998 0.0896 AML other m 2023-01-12T16:25:41.59
IV.POFI.HNE. ML:2.2 0.001811588 0.1024 AML other m 2023-01-12T16:25:41.60
IV.POFI.HHN. ML:2.2 0.0017041765 0.0896 AML other m 2023-01-12T16:25:41.70
IV.POFI.HNN. ML:2.2 0.00181574 0.1152 AML other m 2023-01-12T16:25:41.72
IV.VVLD.HHN. ML:2.1 0.0008190417 0.1152 AML other m 2023-01-12T16:25:46.07
IV.VVLD.HNN. ML:2.1 0.0007914622499999999 0.128 AML other m 2023-01-12T16:25:46.00
IV.LRP.EHN. ML:1.7 0.00030916755 0.1792 AML other m 2023-01-12T16:25:45.31
IV.VVLD.HHE. ML:2.1 0.00084002725 0.1408 AML other m 2023-01-12T16:25:45.36
IV.VVLD.HNE. ML:2.1 0.0007944750500000001 0.128 AML other m 2023-01-12T16:25:45.35
IV.CERA.HHE. ML:2.1 0.0008746154500000001 0.2176 AML other m 2023-01-12T16:25:45.63
IV.CERA.HHN. ML:2.3 0.0013575854999999999 0.2944 AML other m 2023-01-12T16:25:45.99
IV.LRP.EHE. ML:2.2 0.0009083744999999999 0.1792 AML other m 2023-01-12T16:25:45.25
IV.INTR.HHE. ML:0.0 0.0006365852000000001 0.1792 AML other m 2023-01-12T16:25:47.93
IV.MCI.EHN. ML:2.0 0.0005888923 0.2432 AML other m 2023-01-12T16:25:47.66
IV.INTR.HNE. ML:0.0 0.0006408247 0.192 AML other m 2023-01-12T16:25:47.92
IV.INTR.HNN. ML:0.0 0.0006466219 0.128 AML other m 2023-01-12T16:25:48.93
IV.INTR.HHN. ML:0.0 0.00072092675 0.1408 AML other m 2023-01-12T16:25:48.93
IV.RNI2.HNE. ML:0.0 0.0010200029000000002 0.1536 AML other m 2023-01-12T16:25:47.94
IV.RNI2.HHE. ML:0.0 0.0011034044999999998 0.1536 AML other m 2023-01-12T16:25:47.94
IV.RNI2.HHN. ML:0.0 0.0008738627999999999 0.1536 AML other m 2023-01-12T16:25:47.86
IV.RNI2.HNN. ML:0.0 0.0008943114999999999 0.2304 AML other m 2023-01-12T16:25:47.86
IV.MCI.EHE. ML:2.4 0.0011721265 0.1792 AML other m 2023-01-12T16:25:49.25
IV.GUAR.HHE. ML:1.8 0.0001859559 0.2944 AML other m 2023-01-12T16:25:51.24
IV.LPEL.HHE. ML:2.1 0.0003433968 0.1408 AML other m 2023-01-12T16:25:52.26
IV.GUAR.HHN. ML:1.8 0.00017933541 0.1536 AML other m 2023-01-12T16:25:50.37
IV.PTQR.HHE. ML:1.8 0.0001594543 0.1408 AML other m 2023-01-12T16:25:53.09
IV.LPEL.HHN. ML:2.0 0.0003327603 0.256 AML other m 2023-01-12T16:25:52.74
IV.GIUL.HHN. ML:1.8 0.00014794574999999998 0.3072 AML other m 2023-01-12T16:25:54.44
IV.GIUL.HHE. ML:1.6 0.000098531955 0.1024 AML other m 2023-01-12T16:25:54.36
IV.PABO.HHE. ML:1.7 0.00013000000000000002 0.42 AML other m 2023-01-12T16:25:53.78
IV.PTQR.HHN. ML:1.5 0.00009721191499999999 0.2816 AML other m 2023-01-12T16:25:53.86
IV.T0110.HHN. ML:2.2 0.0003616165 0.3968 AML other m 2023-01-12T16:25:55.99
IV.PABO.HHN. ML:2.0 0.00025 1.3 AML other m 2023-01-12T16:25:54.88
IV.T0110.HHE. ML:2.3 0.0004395 0.16 AML other m 2023-01-12T16:25:55.08
IV.VAGA.HHN. ML:1.9 0.0001955 0.42 AML other m 2023-01-12T16:25:56.57
IV.VAGA.HHE. ML:1.6 0.000099939205 0.256 AML other m 2023-01-12T16:25:56.39
IV.CERT.HHN. ML:1.7 0.000076985235 0.2816 AML other m 2023-01-12T16:26:02.24
IV.VCEL.EHN. ML:2.2 0.00022894455 0.2048 AML other m 2023-01-12T16:25:59.97
IV.PIGN.HHE. ML:1.7 0.0000781 0.34 AML other m 2023-01-12T16:26:00.72
IV.VCEL.EHE. ML:2.1 0.00021241604999999998 0.32 AML other m 2023-01-12T16:26:01.86
IV.CERT.HHE. ML:1.6 0.000055741015 0.32 AML other m 2023-01-12T16:26:03.16
IV.CERA.HNE. ML:2.1 0.0008664350999999999 0.2304 AML other m 2023-01-12T16:25:45.52
IV.CERA.HNN. ML:2.3 0.001359912 0.3072 AML other m 2023-01-12T16:25:45.85
IV.GUAR.HNE. ML:1.8 0.00017577785000000003 0.1536 AML other m 2023-01-12T16:25:51.25
IV.GUAR.HNN. ML:1.8 0.0001855642 0.192 AML other m 2023-01-12T16:25:50.37
IV.LPEL.HNE. ML:2.0 0.0003370818 0.128 AML other m 2023-01-12T16:25:52.26
IV.LPEL.HNN. ML:2.0 0.0003177576 0.2688 AML other m 2023-01-12T16:25:52.61
IV.CERT.HNE. ML:1.9 0.00013458160000000003 0.3072 AML other m 2023-01-12T16:26:00.63
IV.PIGN.HNE. ML:1.7 0.000083094185 0.3328 AML other m 2023-01-12T16:26:00.88
IV.PAOL.HHE. ML:1.6 0.000038459019999999994 0.2176 AML other m 2023-01-12T16:26:10.63
IV.PAOL.HHN. ML:1.6 0.00003340602 0.1792 AML other m 2023-01-12T16:26:10.85
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
Waveforms Seismic signals in miniseed + resp format Download