Earthquake with magnitude of ML 0.4 on date 13-01-2023 and time 04:34:47 (UTC) in region 4 km N San Donato Val di Comino (FR)

A magnitude ML 0.4 earthquake occured in region: 4 km N San Donato Val di Comino (FR), on

  • 13-01-2023 04:34:47 (UTC)
  • 13-01-2023 05:34:47 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.7420, 13.8230 at 13 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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
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
Gallinaro FR 9 1269 9440
Villetta Barrea AQ 10 653 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 14 1303 24395
Casalvieri FR 15 2698 27093
Casalattico FR 16 574 27667
Broccostella FR 16 2741 30408
San Biagio Saracinisco FR 17 349 30757
Sora FR 18 26144 56901
Alfedena AQ 18 864 57765
Scontrone AQ 18 574 58339
Belmonte Castello FR 18 739 59078
Scanno AQ 19 1847 60925
Pizzone IS 20 329 61254

Municipalities with at least 50000 inhabitants

An earthquake occurred to
74 Km SW of Chieti (51815 inhabitants)
76 Km SE of L'Aquila (69753 inhabitants)
82 Km E of Latina (125985 inhabitants)
85 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
Bulletin
Rev1000
ML 0.4 2023-01-13
04:34:47
41.7418 13.8232 13 2024-03-01
17:17:58
Bollettino Sismico Italiano INGV 115106781
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-01-13 04:34:47 ± 0.07
Latitude 41.7418 ± 0.0027
Longitude 13.8232 ± 0.0048
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 115106781

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 358
Semi-minor axis of confidence ellipse (meter) 57
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 292
Circular confidence region, given by single value of horizontal uncertainty (meter) 360.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 122
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.12
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.27609
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.4

Field Value
Value 0.4
Uncertainty 0.1
Num. used stations 9
Type of magnitude ML
Reference to an origin 115106781
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-03-08 11:57:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.INTR.HHZ. 2023-01-13T04:34:58.47 0.3 undecidable manual S 13 30.6471 95 0.05 73
IV.RNI2.HHZ. 2023-01-13T04:34:57.72 3.0 undecidable manual P 0
IV.LRP.EHZ. 2023-01-13T04:34:56.29 0.6 undecidable manual S 242 22.2555 99 0.11 49
IV.CERA.HHZ. 2023-01-13T04:34:56.45 0.3 undecidable manual S 135 22.755 99 0.13 73
IV.VVLD.HHZ. 2023-01-13T04:34:55.94 0.3 undecidable manual S 311 21.7671 100 -0.12 73
IV.INTR.HHZ. 2023-01-13T04:34:54.00 0.6 undecidable manual P 13 30.6471 95 0.09 48
IV.POFI.HHZ. 2023-01-13T04:34:53.03 0.3 undecidable manual S 254 9.5793 131 -0.06 76
IV.CERA.HHZ. 2023-01-13T04:34:52.47 0.3 undecidable manual P 135 22.755 99 -0.23 70
IV.VVLD.HHZ. 2023-01-13T04:34:52.58 0.1 undecidable manual P 311 21.7671 100 0.03 99
IT.OPI.HGZ. 2023-01-13T04:34:52.09 0.3 undecidable manual S 9 3.8961 158 -0.11 76
IV.LRP.EHZ. 2023-01-13T04:34:52.56 0.3 undecidable manual P 242 22.2555 99 -0.06 74
IT.OPI.HGZ. 2023-01-13T04:34:50.45 0.1 undecidable manual P 9 3.8961 158 0.12 100
IV.POFI.HHZ. 2023-01-13T04:34:50.93 0.1 undecidable manual P 254 9.5793 131 0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.POFI.HHN. ML:0.4 0.000023440430000000002 0.08 AML other m 2023-01-13T04:34:53.96
IV.POFI.HHE. ML:0.4 0.000024401654999999997 0.1184 AML other m 2023-01-13T04:34:53.54
IV.CERA.HHE. ML:0.5 0.00002037204135 0.24 AML other m 2023-01-13T04:34:57.30
IV.CERA.HHN. ML:0.5 0.00001794028 0.4 AML other m 2023-01-13T04:34:59.00
IV.LRP.EHE. ML:0.4 0.00001586028 0.0992 AML other m 2023-01-13T04:34:57.15
IV.VVLD.HHE. ML:0.2 0.0000122573105 0.1792 AML other m 2023-01-13T04:34:56.83
IV.VVLD.HHN. ML:0.4 0.0000160199345 0.1216 AML other m 2023-01-13T04:34:57.27
IV.INTR.HHE. ML:0.5 0.0000136064235 0.16 AML other m 2023-01-13T04:34:58.93
IV.INTR.HHN. ML:0.5 0.0000138621035 0.1408 AML other m 2023-01-13T04:34:58.96
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