Earthquake with magnitude of ML 1.6 on date 22-04-2019 and time 20:18:23 (UTC) in region San Donato Val di Comino (FR)

A magnitude ML 1.6 earthquake occured in region: San Donato Val di Comino (FR), on

  • 22-04-2019 20:18:23 (UTC)
  • 22-04-2019 22:18:23 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.71, 13.82 at 12 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 0 2107 2107
Settefrati FR 5 728 2835
Gallinaro FR 6 1269 4104
Alvito FR 7 2713 6817
Opi AQ 8 420 7237
Picinisco FR 8 1218 8455
Vicalvi FR 10 783 9238
Atina FR 10 4316 13554
Posta Fibreno FR 10 1139 14693
Villa Latina FR 11 1241 15934
Pescasseroli AQ 11 2203 18137
Villetta Barrea AQ 12 653 18790
Civitella Alfedena AQ 12 296 19086
Campoli Appennino FR 12 1725 20811
Casalvieri FR 12 2698 23509
Casalattico FR 13 574 24083
Fontechiari FR 13 1303 25386
San Biagio Saracinisco FR 14 349 25735
Pescosolido FR 14 1555 27290
Belmonte Castello FR 15 739 28029
Broccostella FR 15 2741 30770
Barrea AQ 15 726 31496
Sora FR 17 26144 57640
Terelle FR 18 422 58062
Alfedena AQ 18 864 58926
Arpino FR 19 7262 66188
Pizzone IS 19 329 66517
Scontrone AQ 19 574 67091
Vallerotonda FR 19 1581 68672
Sant'Elia Fiumerapido FR 19 6166 74838
Santopadre FR 19 1357 76195

Municipalities with at least 50000 inhabitants

An earthquake occurred to
77 Km SW of Chieti (51815 inhabitants)
79 Km SE of L'Aquila (69753 inhabitants)
81 Km E of Latina (125985 inhabitants)
83 Km NW of Caserta (76326 inhabitants)
86 Km E of Velletri (53303 inhabitants)
88 Km NW of Aversa (53047 inhabitants)
89 Km E of Tivoli (56533 inhabitants)
90 Km SW of Pescara (121014 inhabitants)
93 Km NW of Giugliano in Campania (122974 inhabitants)
94 Km S of Montesilvano (53738 inhabitants)
95 Km NW of Marano di Napoli (59874 inhabitants)
96 Km E of Guidonia Montecelio (88673 inhabitants)
97 Km NW of Acerra (59573 inhabitants)
97 Km NW of Afragola (65057 inhabitants)
98 Km NW of Casoria (77642 inhabitants)
98 Km E of Aprilia (73446 inhabitants)
99 Km N 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
Rev 1000 ML 1.6 2019-04-22
20:18:23
41.71 13.82 13 2019-08-22
08:24:57
Bollettino Sismico Italiano INGV 67924671
Rev 100 ML 1.6 2019-04-22
20:18:23
41.71 13.82 12 2019-04-22
20:26:17
Sala Sismica INGV-Roma 67869741
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-04-22 20:18:23 ± 0.04
Latitude 41.71 ± 0.00
Longitude 13.82 ± 0.00
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 67924671

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 239
Semi-minor axis of confidence ellipse (meter) 90
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 56
Circular confidence region, given by single value of horizontal uncertainty (meter) 240
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 53
Number of associated phases, regardless of their use for origin computation 38
Number of defining phases 37
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.6673
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 19
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 30
Type of magnitude ML
Reference to an origin 67924671
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-04-24 15:39:07

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 30
Type of magnitude ML
Reference to an origin 67869741
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-04-22 20:26:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IT.PLTA.HNZ. 2019-04-22T20:18:48.89 3.0 undecidable manual S -1.53 0
IV.CERT.HHZ. 2019-04-22T20:18:45.85 0.3 undecidable manual S 291 0.6673 91 -0.2 65
IV.FAGN.HHZ. 2019-04-22T20:18:43.46 1.0 undecidable manual S 343 0.5819 92 -0.05 23
IV.T0110.HHZ. 2019-04-22T20:18:41.84 0.3 undecidable manual S 357 0.5198 92 0.17 68
IV.PTQR.HHZ. 2019-04-22T20:18:39.71 0.3 undecidable manual S 315 0.4407 92 0.39 66
IV.GIUL.HHZ. 2019-04-22T20:18:39.69 0.3 undecidable manual S 250 0.4479 92 0.14 70
IV.LPEL.HHZ. 2019-04-22T20:18:38.99 0.3 undecidable manual S 39 0.4317 92 -0.08 70
IV.GUAR.HHZ. 2019-04-22T20:18:37.66 0.3 undecidable manual S 283 0.3867 93 -0.09 70
IT.SULP.HGN. 2019-04-22T20:18:37.68 0.3 undecidable manual S 12 0.3831 93 0.05 72
IV.CERT.HHZ. 2019-04-22T20:18:36.25 0.1 undecidable manual P 291 0.6673 91 -0.4 83
IV.INTR.HHZ. 2019-04-22T20:18:35.56 0.3 undecidable manual S 12 0.3076 94 0.16 71
IV.FAGN.HHZ. 2019-04-22T20:18:35.59 0.3 undecidable manual P 343 0.5819 92 0.41 64
IV.MIDA.HHZ. 2019-04-22T20:18:35.97 0.3 undecidable manual S 102 0.3318 93 -0.15 71
IV.LIK.EHN.01 2019-04-22T20:18:34.75 0.3 undecidable manual S 223 0.286 94 -0.01 73
IV.RNI2.HHZ. 2019-04-22T20:18:33.95 1.0 undecidable manual S 92 0.2491 95 0.29 23
IV.T0110.HHZ. 2019-04-22T20:18:33.97 0.1 undecidable manual P 357 0.5198 92 -0.16 90
IV.PTQR.HHZ. 2019-04-22T20:18:32.78 0.1 undecidable manual P 315 0.4407 92 0.01 95
IV.MCI.EHZ. 2019-04-22T20:18:32.76 0.3 undecidable manual S 181 0.2194 97 -0.03 74
IV.GIUL.HHZ. 2019-04-22T20:18:32.94 0.1 undecidable manual P 250 0.4479 92 0.04 95
IV.VAGA.HHZ. 2019-04-22T20:18:32.97 0.3 undecidable manual P 133 0.4281 92 0.41 66
IV.LPEL.HHZ. 2019-04-22T20:18:32.42 0.1 undecidable manual P 39 0.4317 92 -0.2 91
IV.VVLD.HHZ. 2019-04-22T20:18:32.46 0.3 undecidable manual S 318 0.2158 97 -0.23 71
IT.SULP.HGN. 2019-04-22T20:18:31.85 0.3 undecidable manual P 12 0.3831 93 0.06 72
IV.CERA.HHZ. 2019-04-22T20:18:31.61 0.3 undecidable manual S 127 0.1871 100 -0.22 72
IV.GUAR.HHZ. 2019-04-22T20:18:31.71 0.1 undecidable manual P 283 0.3867 93 -0.14 93
IV.LRP.EHZ. 2019-04-22T20:18:31.78 0.3 undecidable manual S 250 0.1844 100 0.01 75
IV.INTR.HHZ. 2019-04-22T20:18:30.39 0.1 positive manual P 12 0.3076 94 -0.11 95
IV.MIDA.HHZ. 2019-04-22T20:18:30.75 0.1 positive manual P 102 0.3318 93 -0.17 94
IV.LIK.EHN.01 2019-04-22T20:18:30.32 0.3 undecidable manual P 223 0.286 94 0.19 71
IV.RNI2.HHZ. 2019-04-22T20:18:30.00 0.1 positive manual P 92 0.2491 95 0.5 89
IV.LRP.EHZ. 2019-04-22T20:18:28.49 0.1 positive manual P 250 0.1844 100 0.09 99
IV.POFI.HHZ. 2019-04-22T20:18:28.85 0.3 undecidable manual S 275 0.08 133 -0.12 75
IV.VVLD.HHZ. 2019-04-22T20:18:28.92 0.1 positive manual P 318 0.2158 97 -0.01 99
IV.MCI.EHZ. 2019-04-22T20:18:28.90 0.1 positive manual P 181 0.2194 97 -0.09 97
IV.CERA.HHZ. 2019-04-22T20:18:28.39 0.1 positive manual P 127 0.1871 100 -0.05 99
IT.OPI.HGZ. 2019-04-22T20:18:28.46 0.3 undecidable manual S 7 0.0665 140 -0.24 74
IV.POFI.HHZ. 2019-04-22T20:18:27.00 0.1 undecidable manual P 275 0.08 133 0.21 98
IT.OPI.HGZ. 2019-04-22T20:18:26.73 0.1 positive manual P 7 0.0665 140 0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.POFI.HHN. ML:1.9 0.00087658885 0.1408 AML other m 2019-04-22T20:18:29.77
IV.POFI.HNN. ML:0 6.2129315E-7 0.1536 AML other m 2019-04-22T20:18:29.79
IV.POFI.HHE. ML:1.9 0.00098566255 0.1536 AML other m 2019-04-22T20:18:29.88
IV.POFI.HNE. ML:0 7.128244E-7 0.1664 AML other m 2019-04-22T20:18:29.90
IV.CERA.HHN. ML:1.6 0.00029706225 1.7696 AML other m 2019-04-22T20:18:31.97
IV.CERA.HNN. ML:1.6 0.00029474835 1.7696 AML other m 2019-04-22T20:18:31.97
IV.GIUL.HHN. ML:1.5 7.4186305E-5 1.472 AML other m 2019-04-22T20:18:32.96
IV.CERA.HNE. ML:1.6 0.00029194475 0.2176 AML other m 2019-04-22T20:18:32.38
IV.CERA.HHE. ML:1.6 0.000296221 0.2432 AML other m 2019-04-22T20:18:32.38
IV.VVLD.HHN. ML:1.7 0.00030436665 0.2048 AML other m 2019-04-22T20:18:33.27
IV.VVLD.HHE. ML:1.4 0.00016442796 0.128 AML other m 2019-04-22T20:18:33.18
IV.INTR.HNE. ML:1.5 0.0001330527 0.1408 AML other m 2019-04-22T20:18:36.42
IV.INTR.HNN. ML:1.9 0.00031880255 0.4736 AML other m 2019-04-22T20:18:36.90
IV.MIDA.HHE. ML:1.3 7.7771825E-5 0.128 AML other m 2019-04-22T20:18:37.20
IV.RNI2.HHN. ML:1.6 0.000206227915 0.384 AML other m 2019-04-22T20:18:37.88
IV.RNI2.HNN. ML:1.6 0.00019465185 0.384 AML other m 2019-04-22T20:18:37.88
IV.INTR.HHN. ML:1.7 0.00020780395 1.872 AML other m 2019-04-22T20:18:37.05
IV.INTR.HHE. ML:1.4 9.327743E-5 0.3584 AML other m 2019-04-22T20:18:38.48
IV.RNI2.HNE. ML:1.6 0.0002255489 1.7568 AML other m 2019-04-22T20:18:38.92
IV.RNI2.HHE. ML:1.7 0.00023859445 1.7568 AML other m 2019-04-22T20:18:38.92
IV.MIDA.HHN. ML:1.6 0.00013345555 0.4864 AML other m 2019-04-22T20:18:39.40
IV.MIDA.HNE. ML:1.5 0.000129200605 0.4864 AML other m 2019-04-22T20:18:39.40
IV.LPEL.HNN. ML:1.7 0.00013081825 0.5248 AML other m 2019-04-22T20:18:39.73
IV.PTQR.HHE. ML:1.3 5.2178515E-5 0.2944 AML other m 2019-04-22T20:18:40.52
IV.PTQR.HHN. ML:1.3 5.115486E-5 0.3584 AML other m 2019-04-22T20:18:41.51
IV.GUAR.HHN. ML:1.5 9.183855E-5 0.2304 AML other m 2019-04-22T20:18:41.45
IV.LPEL.HHN. ML:1.7 0.000125161875 0.2176 AML other m 2019-04-22T20:18:41.56
IV.LPEL.HNE. ML:1.7 0.000137640885 0.2176 AML other m 2019-04-22T20:18:41.58
IV.LPEL.HHE. ML:1.6 0.00012169675 0.1536 AML other m 2019-04-22T20:18:41.61
IV.T0110.HHN. ML:2 0.00019068945 1.5264 AML other m 2019-04-22T20:18:42.22
IV.T0110.HHE. ML:1.7 0.00011634261 0.2432 AML other m 2019-04-22T20:18:43.72
IV.GUAR.HHE. ML:1.3 6.634744E-5 0.192 AML other m 2019-04-22T20:18:44.64
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download