Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.3 on date 18-01-2020 and time 20:52:05 (UTC) in region 4 km SE Balsorano (AQ)

A magnitude ML 2.3 earthquake occured in region: 4 km SE Balsorano (AQ), on

  • 18-01-2020 20:52:05 (UTC)
  • 18-01-2020 21:52:05 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.7800, 13.5970 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.

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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
Balsorano AQ 4 3569 3569
Pescosolido FR 6 1555 5124
Sora FR 7 26144 31268
Campoli Appennino FR 8 1725 32993
San Vincenzo Valle Roveto AQ 9 2347 35340
Broccostella FR 9 2741 38081
Villavallelonga AQ 10 919 39000
Isola del Liri FR 11 11715 50715
Castelliri FR 12 3454 54169
Collelongo AQ 12 1233 55402
Posta Fibreno FR 13 1139 56541
Fontechiari FR 14 1303 57844
Arpino FR 15 7262 65106
Vicalvi FR 15 783 65889
Morino AQ 15 1448 67337
Civita d'Antino AQ 16 979 68316
Alvito FR 16 2713 71029
Pescasseroli AQ 16 2203 73232
Monte San Giovanni Campano FR 17 12929 86161
Veroli FR 18 20560 106721
Boville Ernica FR 18 8737 115458
Lecce nei Marsi AQ 19 1702 117160
Fontana Liri FR 19 2953 120113
Collepardo FR 19 968 121081
Casalvieri FR 19 2698 123779
Opi AQ 19 420 124199
San Donato Val di Comino FR 20 2107 126306
Santopadre FR 20 1357 127663
Ortucchio AQ 20 1860 129523

Municipalities with at least 50000 inhabitants

An earthquake occurred to
66 Km S of L'Aquila (69753 inhabitants)
67 Km NE of Latina (125985 inhabitants)
69 Km E of Velletri (53303 inhabitants)
69 Km E of Tivoli (56533 inhabitants)
76 Km E of Guidonia Montecelio (88673 inhabitants)
79 Km SW of Chieti (51815 inhabitants)
81 Km E of Aprilia (73446 inhabitants)
89 Km E of Anzio (54211 inhabitants)
92 Km SW of Pescara (121014 inhabitants)
92 Km E of Pomezia (62966 inhabitants)
93 Km E of Roma (2864731 inhabitants)
94 Km SW of Montesilvano (53738 inhabitants)
98 Km S of Teramo (54892 inhabitants)
100 Km NW of Caserta (76326 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 2.3 2020-01-18
20:52:05		 41.78 13.5973 13 2020-07-18
21:08:32		 Bollettino Sismico Italiano INGV 78196451
Reviewed
Rev100 		ML 2.3 2020-01-18
20:52:05		 41.7843 13.5975 14 2020-01-18
20:59:45		 Sala Sismica INGV-Roma 75635361
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-01-18 20:52:05 ± 0.06
Latitude 41.7800 ± 0.0036
Longitude 13.5973 ± 0.0036
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 78196451

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 349
Semi-minor axis of confidence ellipse (meter) 79
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 12
Circular confidence region, given by single value of horizontal uncertainty (meter) 350.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 43
Number of associated phases, regardless of their use for origin computation 55
Number of defining phases 55
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.09173
Epicentral distance of station farthest from the epicenter (degree) 0.97666
Number of stations at which the event was observed 32
Number of stations from which data was used for origin computation 32
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations 44
Type of magnitude ML
Reference to an origin 78196451
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-04-14 14:04:19

ML:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations 44
Type of magnitude ML
Reference to an origin 75635361
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-01-18 20:59:45
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SAMA.EHZ. 2020-01-18T20:52:31.15 0.6 undecidable manual S 270 83.1501 92 0.93 34
IV.RMP.HHZ. 2020-01-18T20:52:28.21 0.3 undecidable manual S 273 73.8705 92 0.46 62
IV.GIGS.HHN. 2020-01-18T20:52:28.71 0.6 undecidable manual S 358 74.6697 92 0.74 37
IV.MTCE.HHZ. 2020-01-18T20:52:28.01 0.6 undecidable manual S 291 75.5688 92 -0.19 44
IV.VCEL.EHN. 2020-01-18T20:52:28.15 0.6 undecidable manual S 16 71.0733 92 1.15 31
IV.VIVA.HHZ. 2020-01-18T20:52:27.22 0.3 undecidable manual S 268 68.4759 92 0.9 53
IV.VITU.HHZ. 2020-01-18T20:52:23.48 0.1 undecidable manual P 127 108.4137 91 -0.21 82
IV.MIDA.HHZ. 2020-01-18T20:52:23.59 0.3 undecidable manual S 106 56.499 93 0.48 64
IV.T0110.HHZ. 2020-01-18T20:52:22.09 0.6 undecidable manual S 16 52.0035 93 0.18 46
IV.CERT.HHZ. 2020-01-18T20:52:22.20 0.6 undecidable manual S 290 54.2013 93 -0.3 45
IV.RCAV.EHZ. 2020-01-18T20:52:22.47 0.6 undecidable manual S 278 54.4011 93 -0.09 47
IT.CSO1.HGZ. 2020-01-18T20:52:22.69 0.6 undecidable manual S 310 55.1004 93 -0.05 47
IT.MMP1.HGE. 2020-01-18T20:52:20.66 0.6 undecidable manual P 307 87.246 92 0.23 42
IV.RM33.EHZ. 2020-01-18T20:52:20.72 0.1 undecidable manual P 339 86.7465 92 0.36 83
IV.RNI2.HHZ. 2020-01-18T20:52:20.62 0.6 undecidable manual S 100 46.7199 94 0.11 47
IV.SAMA.EHZ. 2020-01-18T20:52:19.44 0.1 undecidable manual P 270 83.1501 92 -0.36 83
IV.MCI.EHZ. 2020-01-18T20:52:18.22 0.6 undecidable manual S 151 36.741 95 0.38 45
IV.GIUL.HHZ. 2020-01-18T20:52:18.27 0.3 undecidable manual S 229 37.5291 95 0.2 70
IV.CERA.HHZ. 2020-01-18T20:52:18.60 0.3 undecidable manual S 120 40.3263 95 -0.2 70
IV.GIGS.HHN. 2020-01-18T20:52:18.38 0.1 undecidable manual P 358 74.6697 92 -0.12 89
IV.VIVA.HHZ. 2020-01-18T20:52:17.51 0.1 undecidable manual P 268 68.4759 92 -0.04 92
IV.VCEL.EHN. 2020-01-18T20:52:17.80 0.1 undecidable manual P 16 71.0733 92 -0.14 90
IV.FIAM.HNN. 2020-01-18T20:52:17.26 0.1 undecidable manual P 324 67.0773 92 -0.06 92
IV.RMP.HHZ. 2020-01-18T20:52:17.82 0.1 undecidable manual P 273 73.8705 92 -0.56 81
IV.MTCE.HHZ. 2020-01-18T20:52:17.76 0.1 undecidable manual P 291 75.5688 92 -0.88 71
IV.INTR.HHZ. 2020-01-18T20:52:17.58 0.3 undecidable manual S 45 36.1416 95 -0.1 72
IV.PTQR.HHZ. 2020-01-18T20:52:16.39 0.3 undecidable manual S 329 31.3464 97 -0.04 74
IV.LIK.EHZ.01 2020-01-18T20:52:16.91 0.3 undecidable manual S 186 31.2465 97 0.51 66
IV.RCAV.EHZ. 2020-01-18T20:52:15.12 0.1 undecidable manual P 278 54.4011 93 -0.26 90
IT.CSO1.HGZ. 2020-01-18T20:52:15.55 0.1 undecidable manual P 310 55.1004 93 0.07 93
IV.FAGN.HHZ. 2020-01-18T20:52:15.98 0.1 undecidable manual P 359 53.9016 93 0.68 79
IV.LPEL.HHZ. 2020-01-18T20:52:15.25 0.1 undecidable manual P 58 56.6988 93 -0.48 86
IV.MIDA.HHZ. 2020-01-18T20:52:15.43 0.1 undecidable manual P 106 56.499 93 -0.27 90
IV.GUAR.HHZ. 2020-01-18T20:52:14.20 0.3 undecidable manual S 274 23.6541 101 -0.19 72
IV.RNI2.HHZ. 2020-01-18T20:52:14.47 0.1 undecidable manual P 100 46.7199 94 0.28 90
IV.T0110.HHZ. 2020-01-18T20:52:14.82 0.1 undecidable manual P 16 52.0035 93 -0.18 92
IV.CERT.HHZ. 2020-01-18T20:52:14.97 0.1 undecidable manual P 290 54.2013 93 -0.38 88
IV.CERA.HHZ. 2020-01-18T20:52:13.04 0.3 undecidable manual P 120 40.3263 95 -0.17 71
IT.SULA.HNN. 2020-01-18T20:52:13.26 0.1 undecidable manual P 39 41.8248 94 -0.19 94
IT.SULC.HNZ. 2020-01-18T20:52:13.49 0.1 undecidable manual P 39 41.0256 94 0.18 93
IT.SULP.HGN. 2020-01-18T20:52:13.52 0.1 undecidable manual P 39 43.4232 94 -0.16 94
IT.OPI.HGZ. 2020-01-18T20:52:13.24 0.3 undecidable manual S 91 19.2696 107 -0.01 76
IV.INTR.HHZ. 2020-01-18T20:52:12.38 0.3 undecidable manual P 45 36.1416 95 -0.18 71
IV.MCI.EHZ. 2020-01-18T20:52:12.53 0.3 undecidable manual P 151 36.741 95 -0.12 72
IV.GIUL.HHZ. 2020-01-18T20:52:12.76 0.1 undecidable manual P 229 37.5291 95 -0.03 97
IV.LIK.EHZ.01 2020-01-18T20:52:11.91 0.3 undecidable manual P 186 31.2465 97 0.09 73
IV.VVLD.HNZ. 2020-01-18T20:52:11.07 0.6 undecidable manual S 12 10.1787 132 -0.05 50
IV.POFI.HHZ. 2020-01-18T20:52:11.51 0.3 undecidable manual S 126 11.7771 126 0.05 76
IV.LRP.EHZ. 2020-01-18T20:52:11.88 0.3 undecidable manual S 183 14.7741 117 -0.26 72
IV.PTQR.HHZ. 2020-01-18T20:52:11.74 0.1 undecidable manual P 329 31.3464 97 -0.09 97
IT.OPI.HGZ. 2020-01-18T20:52:10.08 0.1 undecidable manual P 91 19.2696 107 0.08 99
IV.GUAR.HHZ. 2020-01-18T20:52:10.70 0.1 undecidable manual P 274 23.6541 101 0.05 99
IV.LRP.EHZ. 2020-01-18T20:52:09.52 0.1 undecidable manual P 183 14.7741 117 0.16 98
IV.POFI.HHZ. 2020-01-18T20:52:09.08 0.1 undecidable manual P 126 11.7771 126 0.12 100
IV.VVLD.HNZ. 2020-01-18T20:52:08.97 0.1 undecidable manual P 12 10.1787 132 0.2 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.T0110.HHN. ML:2.2 0.00042249999999999997 0.48 AML other m 2020-01-18T20:52:25.65
IV.VVLD.HNN. ML:2.5 0.0033799999999999998 0.14 AML other m 2020-01-18T20:52:11.37
IV.VVLD.HNE. ML:2.4 0.00259 0.18 AML other m 2020-01-18T20:52:11.50
IV.VVLD.HHE. ML:2.4 0.002815 0.18 AML other m 2020-01-18T20:52:11.50
IV.LRP.EHE. ML:2.8 0.005665 0.18 AML other m 2020-01-18T20:52:12.57
IV.POFI.HHE. ML:2.1 0.0013599999999999999 0.32 AML other m 2020-01-18T20:52:12.60
IV.POFI.HNE. ML:2.2 0.00155 0.32 AML other m 2020-01-18T20:52:12.45
IV.LRP.EHN. ML:2.3 0.0016600000000000002 1.2 AML other m 2020-01-18T20:52:12.07
IV.POFI.HHN. ML:2.1 0.0012525 0.22 AML other m 2020-01-18T20:52:12.60
IV.POFI.HNN. ML:2.2 0.00156 0.22 AML other m 2020-01-18T20:52:12.61
IV.GUAR.HHN. ML:2.6 0.00214 0.26 AML other m 2020-01-18T20:52:14.67
IV.GUAR.HHE. ML:2.2 0.0009735000000000001 0.76 AML other m 2020-01-18T20:52:15.57
IV.PTQR.HHE. ML:2.5 0.0014849999999999998 0.32 AML other m 2020-01-18T20:52:16.82
IV.PTQR.HHN. ML:2.3 0.0008085 0.36 AML other m 2020-01-18T20:52:17.83
IV.INTR.HHE. ML:2.2 0.000691 0.96 AML other m 2020-01-18T20:52:17.47
IV.GIUL.HHE. ML:2.1 0.00042449999999999996 0.18 AML other m 2020-01-18T20:52:18.66
IV.GIUL.HHN. ML:2.1 0.00047099999999999996 0.3 AML other m 2020-01-18T20:52:18.54
IV.CERA.HNN. ML:2.4 0.0007909999999999999 0.22 AML other m 2020-01-18T20:52:20.13
IV.CERA.HHN. ML:2.4 0.0008235 0.22 AML other m 2020-01-18T20:52:20.13
IV.CERT.HHE. ML:2.4 0.00063 0.92 AML other m 2020-01-18T20:52:22.41
IV.CERT.HHN. ML:2.6 0.0009260000000000001 0.92 AML other m 2020-01-18T20:52:23.56
IV.T0110.HHE. ML:2.3 0.000536 0.3 AML other m 2020-01-18T20:52:23.25
IV.RCAV.EHE. ML:2.3 0.000544 1.6 AML other m 2020-01-18T20:52:23.81
IV.RCAV.EHN. ML:2.4 0.0005845000000000001 0.98 AML other m 2020-01-18T20:52:23.48
IV.CERA.HHE. ML:2.3 0.0007384999999999999 0.48 AML other m 2020-01-18T20:52:24.12
IV.RNI2.HHN. ML:2.1 0.00035350000000000003 0.52 AML other m 2020-01-18T20:52:25.07
IV.MIDA.HHE. ML:2.0 0.00021800000000000004 0.34 AML other m 2020-01-18T20:52:25.83
IV.MIDA.HNN. ML:2.1 0.0002615 0.8 AML other m 2020-01-18T20:52:26.06
IV.LPEL.HHE. ML:1.9 0.000176 0.22 AML other m 2020-01-18T20:52:26.58
IV.LPEL.HHN. ML:1.9 0.00016749999999999998 0.18 AML other m 2020-01-18T20:52:27.52
IV.MIDA.HHN. ML:2.0 0.00022199999999999998 1.08 AML other m 2020-01-18T20:52:27.07
IV.VIVA.HHN. ML:2.6 0.0006360000000000001 0.18 AML other m 2020-01-18T20:52:28.21
IV.RMP.HHE. ML:2.7 0.0007555 1.24 AML other m 2020-01-18T20:52:28.78
IV.VIVA.HHE. ML:2.6 0.0007595 0.3 AML other m 2020-01-18T20:52:31.49
IV.INTR.HHN. ML:2.3 0.0008066604 0.2688 AML other m 2020-01-18T20:52:19.99
IV.MCI.EHE. ML:2.4 0.0009193450000000001 0.2304 AML other m 2020-01-18T20:52:23.16
IV.MCI.EHN. ML:2.3 0.0007971955500000001 0.2432 AML other m 2020-01-18T20:52:21.41
IV.CERA.HNE. ML:2.3 0.0007159354 0.4864 AML other m 2020-01-18T20:52:24.12
IV.RNI2.HHE. ML:2.1 0.0003871526 0.2176 AML other m 2020-01-18T20:52:25.72
IV.RNI2.HNE. ML:2.1 0.0003805023 0.3072 AML other m 2020-01-18T20:52:28.19
IV.RNI2.HNN. ML:2.1 0.00032972650000000003 0.768 AML other m 2020-01-18T20:52:26.07
IV.MIDA.HNE. ML:2.0 0.00021335755 0.4608 AML other m 2020-01-18T20:52:29.79
IV.RMP.HHN. ML:2.8 0.0008944949 0.128 AML other m 2020-01-18T20:52:29.86
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