Earthquake with magnitude of ML 2.1 on date 15-04-2023 and time 19:43:45 (UTC) in region 1 km N Posta Fibreno (FR)

A magnitude ML 2.1 earthquake occured in region: 1 km N Posta Fibreno (FR), on

  • 15-04-2023 19:43:45 (UTC)
  • 15-04-2023 21:43:45 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.7000, 13.7000 at 8 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
Posta Fibreno FR 1 1139 1139
Vicalvi FR 3 783 1922
Fontechiari FR 4 1303 3225
Alvito FR 4 2713 5938
Campoli Appennino FR 5 1725 7663
Broccostella FR 5 2741 10404
Pescosolido FR 7 1555 11959
Sora FR 8 26144 38103
Casalvieri FR 8 2698 40801
Casalattico FR 9 574 41375
Arpino FR 9 7262 48637
Gallinaro FR 10 1269 49906
San Donato Val di Comino FR 10 2107 52013
Isola del Liri FR 11 11715 63728
Santopadre FR 12 1357 65085
Atina FR 12 4316 69401
Castelliri FR 13 3454 72855
Settefrati FR 13 728 73583
Opi AQ 14 420 74003
Pescasseroli AQ 14 2203 76206
Villa Latina FR 15 1241 77447
Picinisco FR 15 1218 78665
Rocca d'Arce FR 16 959 79624
Fontana Liri FR 16 2953 82577
Balsorano AQ 16 3569 86146
Arce FR 16 5756 91902
Belmonte Castello FR 16 739 92641
Monte San Giovanni Campano FR 17 12929 105570
Roccasecca FR 17 7365 112935
Colle San Magno FR 17 699 113634
Terelle FR 18 422 114056
Colfelice FR 18 1932 115988
Castrocielo FR 19 3965 119953
Villavallelonga AQ 20 919 120872

Municipalities with at least 50000 inhabitants

An earthquake occurred to
71 Km E of Latina (125985 inhabitants)
77 Km E of Velletri (53303 inhabitants)
77 Km SE of L'Aquila (69753 inhabitants)
80 Km E of Tivoli (56533 inhabitants)
82 Km SW of Chieti (51815 inhabitants)
87 Km E of Guidonia Montecelio (88673 inhabitants)
87 Km NW of Caserta (76326 inhabitants)
88 Km E of Aprilia (73446 inhabitants)
91 Km NW of Aversa (53047 inhabitants)
93 Km E of Anzio (54211 inhabitants)
95 Km SW of Pescara (121014 inhabitants)
95 Km NW of Giugliano in Campania (122974 inhabitants)
98 Km SW of Montesilvano (53738 inhabitants)
98 Km NW of Marano di Napoli (59874 inhabitants)
100 Km E of Pomezia (62966 inhabitants)
100 Km NW of Afragola (65057 inhabitants)
100 Km NW of Pozzuoli (81661 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 2.1 2023-04-15
19:43:45
41.7003 13.7002 8 2023-04-15
19:49:25
Sala Sismica INGV-Roma 116417611
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-15 19:43:45 ± 0.12
Latitude 41.7003 ± 0.0072
Longitude 13.7002 ± 0.0096
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 116417611

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 818
Semi-minor axis of confidence ellipse (meter) 160
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 220
Circular confidence region, given by single value of horizontal uncertainty (meter) 820.0
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 20
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.34
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.58996
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 14
Magnitude information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 36
Type of magnitude ML
Reference to an origin 116417611
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-15 19:49:25
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LPEL.HHZ. 2023-04-15T19:44:03.61 0.6 undecidable manual S 46 55.4001 50 0.19 45
IV.PIGN.HHZ. 2023-04-15T19:44:00.16 3.0 negative manual P 1.83 0
IV.CERT.HHZ. 2023-04-15T19:43:56.77 1.0 undecidable manual P 295 65.49 50 -0.57 21
IV.T0110.HHZ. 2023-04-15T19:43:56.10 0.6 negative manual P 6 58.9965 50 -0.25 45
IV.CERA.HHZ. 2023-04-15T19:43:55.93 0.3 undecidable manual S 113 28.749 105 0.26 71
IV.LPEL.HHZ. 2023-04-15T19:43:55.34 0.1 undecidable manual P 46 55.4001 50 -0.45 87
IV.PTQR.HHZ. 2023-04-15T19:43:53.68 1.0 positive manual P 325 43.4232 50 -0.27 23
IV.RNI2.HHZ. 2023-04-15T19:43:53.33 0.1 positive manual P 89 37.4292 101 0.3 91
IV.VVLD.HHZ. 2023-04-15T19:43:53.29 0.3 undecidable manual S 341 19.869 111 0.56 67
IV.GIUL.HHZ. 2023-04-15T19:43:53.73 0.6 positive manual P 247 40.1265 50 0.28 46
IV.INTR.HHZ. 2023-04-15T19:43:52.79 0.1 negative manual P 26 38.4282 50 -0.39 91
IV.GUAR.HHZ. 2023-04-15T19:43:52.46 0.6 negative manual P 288 33.744 102 0.16 48
IT.OPI.HGZ. 2023-04-15T19:43:51.37 0.3 undecidable manual S 52 13.6752 119 0.59 67
IV.CERA.HHZ. 2023-04-15T19:43:51.07 0.1 undecidable manual P 113 28.749 105 -0.25 94
IV.MCI.EHZ. 2023-04-15T19:43:50.72 0.1 positive manual P 158 25.0527 107 0.11 98
IV.VVLD.HHZ. 2023-04-15T19:43:49.71 0.1 negative manual P 341 19.869 111 0.09 99
IV.LRP.EHZ. 2023-04-15T19:43:48.42 0.3 negative manual P 238 11.0778 124 0.37 71
IT.OPI.HGZ. 2023-04-15T19:43:48.60 0.1 undecidable manual P 52 13.6752 119 0.11 100
IV.POFI.HNZ. 2023-04-15T19:43:47.16 0.3 undecidable manual S 27 2.0979 164 -0.91 58
IV.POFI.HNZ. 2023-04-15T19:43:46.60 0.1 negative manual P 27 2.0979 164 -0.33 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LRP.EHE. ML:2.2 0.0023599999999999997 0.42 AML other m 2023-04-15T19:43:52.00
IV.LRP.EHN. ML:1.6 0.0005805000000000001 0.36 AML other m 2023-04-15T19:43:52.76
IV.VVLD.HHN. ML:0.0 0.00158 0.42 AML other m 2023-04-15T19:43:56.55
IV.VVLD.HNN. ML:0.0 0.0015350000000000001 0.42 AML other m 2023-04-15T19:43:56.55
IV.MCI.EHE. ML:2.5 0.0018900000000000002 0.64 AML other m 2023-04-15T19:43:56.33
IV.MCI.EHN. ML:2.3 0.0012850000000000001 0.34 AML other m 2023-04-15T19:43:58.46
IV.VVLD.HNE. ML:0.0 0.001625 0.68 AML other m 2023-04-15T19:43:58.52
IV.VVLD.HHE. ML:0.0 0.0016200000000000001 0.68 AML other m 2023-04-15T19:43:58.52
IV.INTR.HHE. ML:2.2 0.0005669999999999999 0.8 AML other m 2023-04-15T19:44:01.97
IV.INTR.HNE. ML:2.2 0.0006810000000000001 0.82 AML other m 2023-04-15T19:44:01.98
IV.INTR.HNN. ML:2.3 0.0008449999999999999 1 AML other m 2023-04-15T19:44:02.21
IV.CERA.HHE. ML:0.0 0.0010860000000000002 1.18 AML other m 2023-04-15T19:44:03.77
IV.CERA.HNE. ML:0.0 0.0010565 0.48 AML other m 2023-04-15T19:44:03.78
IV.GUAR.HHE. ML:1.9 0.0003075 1 AML other m 2023-04-15T19:44:04.52
IV.CERA.HHN. ML:0.0 0.00123 0.82 AML other m 2023-04-15T19:44:04.52
IV.CERA.HNN. ML:0.0 0.0012050000000000001 0.82 AML other m 2023-04-15T19:44:04.53
IV.GUAR.HHN. ML:1.9 0.0003745 0.4 AML other m 2023-04-15T19:44:04.52
IV.GUAR.HNN. ML:1.9 0.0003635 0.82 AML other m 2023-04-15T19:44:04.52
IV.GIUL.HHN. ML:1.7 0.0001885 1.14 AML other m 2023-04-15T19:44:04.75
IV.GIUL.HNN. ML:1.7 0.0001885 0.6 AML other m 2023-04-15T19:44:04.76
IV.RNI2.HNE. ML:2.2 0.0005565 0.42 AML other m 2023-04-15T19:44:05.32
IV.RNI2.HHE. ML:2.2 0.0005774999999999999 0.42 AML other m 2023-04-15T19:44:05.11
IV.PTQR.HHE. ML:1.6 0.0001275 0.52 AML other m 2023-04-15T19:44:06.15
IV.GIUL.HHE. ML:1.8 0.00019600000000000002 0.5 AML other m 2023-04-15T19:44:06.25
IV.GIUL.HNE. ML:1.8 0.0002465 0.48 AML other m 2023-04-15T19:44:06.51
IV.LPEL.HHN. ML:1.8 0.000144 0.36 AML other m 2023-04-15T19:44:06.84
IV.LPEL.HHE. ML:1.8 0.0001615 1.18 AML other m 2023-04-15T19:44:06.86
IV.RNI2.HHN. ML:2.1 0.0004505 0.76 AML other m 2023-04-15T19:44:07.07
IV.RNI2.HNN. ML:2.1 0.00045650000000000004 0.76 AML other m 2023-04-15T19:44:07.08
IV.GUAR.HNE. ML:1.9 0.00033150000000000003 0.46 AML other m 2023-04-15T19:44:08.13
IV.INTR.HHN. ML:2.3 0.0008255 0.5 AML other m 2023-04-15T19:44:09.11
IV.T0110.HHE. ML:2.3 0.00044 0.44 AML other m 2023-04-15T19:44:11.06
IV.CERT.HHN. ML:1.9 0.0001545 1.52 AML other m 2023-04-15T19:44:11.93
IV.PTQR.HHN. ML:1.6 0.000131 0.76 AML other m 2023-04-15T19:44:11.21
IV.T0110.HHN. ML:2.4 0.0005520000000000001 0.54 AML other m 2023-04-15T19:44:11.43
IV.CERT.HHE. ML:1.7 0.00010055 0.72 AML other m 2023-04-15T19:44:12.46
IV.POFI.HHE. ML:0.0 0.01539422 0.3328 AML other m 2023-04-15T19:43:48.60
IV.POFI.HHN. ML:0.0 0.011168285000000002 0.3456 AML other m 2023-04-15T19:43:48.33
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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