Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 20-01-2022 and time 03:23:11 (UTC) in region 2 km E Micigliano (RI)

A magnitude ML 1.6 earthquake occured in region: 2 km E Micigliano (RI), on

  • 20-01-2022 03:23:11 (UTC)
  • 20-01-2022 04:23:11 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.4520, 13.0760 at 10 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
Micigliano RI 2 127 127
Antrodoco RI 4 2588 2715
Borgo Velino RI 5 972 3687
Castel Sant'Angelo RI 7 1308 4995
Posta RI 8 694 5689
Borbona RI 8 617 6306
Cagnano Amiterno AQ 12 1369 7675
Cittaducale RI 13 6828 14503
Cantalice RI 14 2755 17258
Leonessa RI 15 2435 19693
Concerviano RI 16 291 19984
Montereale AQ 16 2581 22565
Poggio Bustone RI 17 2055 24620
Barete AQ 17 737 25357
Petrella Salto RI 17 1197 26554
Scoppito AQ 17 3727 30281
Rieti RI 18 47698 77979
Pizzoli AQ 18 4326 82305
Rivodutri RI 19 1253 83558
Cittareale RI 20 482 84040

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km W of L'Aquila (69753 inhabitants)
37 Km E of Terni (111501 inhabitants)
57 Km W of Teramo (54892 inhabitants)
58 Km NE of Guidonia Montecelio (88673 inhabitants)
59 Km NE of Tivoli (56533 inhabitants)
64 Km SE of Foligno (57155 inhabitants)
79 Km NE of Roma (2864731 inhabitants)
80 Km E of Viterbo (67173 inhabitants)
88 Km W of Montesilvano (53738 inhabitants)
89 Km N of Velletri (53303 inhabitants)
90 Km W of Chieti (51815 inhabitants)
92 Km SE of Perugia (166134 inhabitants)
93 Km W of Pescara (121014 inhabitants)
99 Km NE of Pomezia (62966 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 1.6 2022-01-20
03:23:11		 42.4523 13.0757 10 2022-07-08
12:33:25		 Bollettino Sismico Italiano INGV 100165371
Reviewed
Rev100 		ML 1.6 2022-01-20
03:23:11		 42.4532 13.0775 10 2022-01-20
03:28:20		 Sala Sismica INGV-Roma 99960661
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-01-20 03:23:11 ± 0.1
Latitude 42.4523 ± 0.0045
Longitude 13.0757 ± 0.0073
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 100165371

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 551
Semi-minor axis of confidence ellipse (meter) 497
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 108
Circular confidence region, given by single value of horizontal uncertainty (meter) 550.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 56
Number of associated phases, regardless of their use for origin computation 41
Number of defining phases 41
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.11691
Epicentral distance of station farthest from the epicenter (degree) 0.71856
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 24
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 35
Type of magnitude ML
Reference to an origin 100165371
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-01-25 07:52:44

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 28
Type of magnitude ML
Reference to an origin 99960661
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-01-20 03:28:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PF6.EHN. 2022-01-20T03:23:35.16 0.6 undecidable manual S 7 76.6677 50 0.41 43
IV.CSP1.EHZ. 2022-01-20T03:23:34.15 0.6 undecidable manual S 8 71.6727 50 0.72 39
IV.MML1.EHZ. 2022-01-20T03:23:34.79 0.6 undecidable manual S 353 73.7706 50 0.8 38
IV.GUMA.HNN. 2022-01-20T03:23:34.14 0.6 undecidable manual S 17 70.8735 50 0.92 36
IV.MF5.EHZ. 2022-01-20T03:23:33.07 0.6 undecidable manual S 28 67.0773 50 0.87 37
IV.CESI.HHZ. 2022-01-20T03:23:31.27 0.6 undecidable manual S 347 62.8926 50 0.21 46
IV.FDMO.HHZ. 2022-01-20T03:23:31.40 0.6 undecidable manual S 1 64.7907 50 -0.18 46
IV.MC2.EHZ. 2022-01-20T03:23:28.50 0.6 undecidable manual S 10 51.7038 50 0.4 45
IV.MMO1.EHZ. 2022-01-20T03:23:28.47 0.6 undecidable manual S 22 53.6019 50 -0.14 47
IV.TERO.HHZ. 2022-01-20T03:23:26.09 0.6 undecidable manual S 66 47.1195 50 -0.78 40
IV.MNTT.EHZ. 2022-01-20T03:23:26.00 0.6 undecidable manual P 32 79.7646 50 0.58 41
IV.NRCA.HHZ. 2022-01-20T03:23:25.15 0.6 undecidable manual S 4 42.4242 50 -0.45 45
IV.RCAV.EHZ. 2022-01-20T03:23:24.12 0.6 undecidable manual P 189 67.9764 50 0.52 42
IV.ASSB.HHN. 2022-01-20T03:23:24.83 0.6 undecidable manual P 333 73.7706 50 0.34 44
IV.MML1.EHZ. 2022-01-20T03:23:24.42 0.6 undecidable manual P 353 73.7706 50 -0.08 46
IV.PF6.EHN. 2022-01-20T03:23:24.94 0.6 undecidable manual P 7 76.6677 50 0.01 47
IV.GUMA.HNN. 2022-01-20T03:23:23.81 0.6 undecidable manual P 17 70.8735 50 -0.24 45
IV.MF5.EHZ. 2022-01-20T03:23:23.69 0.6 undecidable manual P 28 67.0773 50 0.22 45
IV.VCEL.EHN. 2022-01-20T03:23:23.44 0.6 undecidable manual P 96 62.9925 50 0.62 41
IV.CSP1.EHZ. 2022-01-20T03:23:23.83 0.6 undecidable manual P 8 71.6727 50 -0.34 44
IV.FDMO.HHZ. 2022-01-20T03:23:22.74 0.3 undecidable manual P 1 64.7907 50 -0.37 66
IV.CESI.HHZ. 2022-01-20T03:23:22.56 0.3 undecidable manual P 347 62.8926 50 -0.25 68
IV.SMA1.EHZ. 2022-01-20T03:23:21.58 0.3 undecidable manual S 47 28.9488 50 -0.44 70
IV.SRES.HHZ. 2022-01-20T03:23:21.17 0.6 undecidable manual P 243 52.2033 50 0.01 49
IV.ARRO.EHZ. 2022-01-20T03:23:21.76 0.6 undecidable manual S 299 28.9488 50 -0.26 48
IV.GAVE.EHZ. 2022-01-20T03:23:21.98 0.6 undecidable manual S 331 30.4473 50 -0.43 46
IV.MMO1.EHZ. 2022-01-20T03:23:21.07 0.3 undecidable manual P 22 53.6019 50 -0.32 68
IV.FAGN.HHZ. 2022-01-20T03:23:20.73 0.6 undecidable manual P 116 46.5201 50 0.44 45
IV.MC2.EHZ. 2022-01-20T03:23:20.88 0.6 undecidable manual P 10 51.7038 50 -0.22 47
IV.NRCA.HHZ. 2022-01-20T03:23:19.31 0.3 undecidable manual P 4 42.4242 50 -0.34 69
IV.TERO.HHZ. 2022-01-20T03:23:19.91 0.6 undecidable manual P 66 47.1195 50 -0.47 45
IV.FIAM.HHZ. 2022-01-20T03:23:19.35 0.6 undecidable manual S 171 20.7681 115 -0.13 50
IV.LNSS.HHZ. 2022-01-20T03:23:18.18 0.3 undecidable manual S 350 16.9719 120 -0.13 76
IV.RM33.EHZ. 2022-01-20T03:23:17.14 0.3 undecidable manual S 61 12.9759 127 -0.02 78
IV.SMA1.EHZ. 2022-01-20T03:23:17.46 0.1 positive manual P 47 28.9488 50 -0.13 99
IV.ARRO.EHZ. 2022-01-20T03:23:17.72 0.6 undecidable manual P 299 28.9488 50 0.13 50
IV.CAMP.HHE. 2022-01-20T03:23:17.28 0.6 undecidable manual P 71 28.749 50 -0.28 48
IV.GAVE.EHZ. 2022-01-20T03:23:17.70 0.6 undecidable manual P 331 30.4473 50 -0.11 50
IV.FIAM.HHZ. 2022-01-20T03:23:16.13 0.3 undecidable manual P 171 20.7681 115 0.01 77
IV.RM33.EHZ. 2022-01-20T03:23:15.01 0.1 positive manual P 61 12.9759 127 0.23 100
IV.LNSS.HHZ. 2022-01-20T03:23:15.61 0.3 undecidable manual P 350 16.9719 120 0.17 75
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.HNE. ML:2.0 0.0012334641 0.1904 AML other m 2022-01-20T03:23:17.99
IV.RM33.EHE. ML:2.0 0.0012358422499999999 0.1792 AML other m 2022-01-20T03:23:18.00
IV.RM33.HNN. ML:1.7 0.0005646506999999999 0.2288 AML other m 2022-01-20T03:23:18.20
IV.RM33.EHN. ML:1.7 0.0005609612500000001 0.24 AML other m 2022-01-20T03:23:18.20
IV.LNSS.HHN. ML:2.0 0.0008078731 0.1392 AML other m 2022-01-20T03:23:18.84
IV.LNSS.HNN. ML:1.9 0.00074 0.14 AML other m 2022-01-20T03:23:18.85
IV.LNSS.HHE. ML:1.8 0.0005473875500000001 0.16 AML other m 2022-01-20T03:23:18.45
IV.LNSS.HNE. ML:1.8 0.0004918097 0.12 AML other m 2022-01-20T03:23:18.93
IV.FIAM.HHN. ML:1.1 0.0001023 0.74 AML other m 2022-01-20T03:23:20.78
IV.FIAM.HHE. ML:1.0 0.00007960000000000001 0.26 AML other m 2022-01-20T03:23:20.99
IV.SMA1.EHN. ML:1.6 0.00022199999999999998 0.28 AML other m 2022-01-20T03:23:22.09
IV.SMA1.EHE. ML:1.9 0.0003685 0.26 AML other m 2022-01-20T03:23:22.15
IV.ARRO.EHE. ML:1.3 0.00009905 0.18 AML other m 2022-01-20T03:23:22.17
IV.GAVE.EHN. ML:1.5 0.00015196490000000002 0.2192 AML other m 2022-01-20T03:23:22.36
IV.ARRO.EHN. ML:1.3 0.000100006885 0.16 AML other m 2022-01-20T03:23:24.20
IV.GAVE.EHE. ML:1.4 0.00013130154999999998 0.1392 AML other m 2022-01-20T03:23:25.03
IV.NRCA.HHN. ML:1.8 0.00022899999999999998 0.1 AML other m 2022-01-20T03:23:25.48
IV.NRCA.HHE. ML:1.9 0.00027600000000000004 0.1 AML other m 2022-01-20T03:23:25.99
IV.TERO.HHN. ML:1.4 0.00006459999999999998 0.18 AML other m 2022-01-20T03:23:26.18
IV.MC2.EHE. ML:1.8 0.00014262364999999998 0.1792 AML other m 2022-01-20T03:23:29.59
IV.MC2.EHN. ML:1.8 0.00015715000000000003 0.16 AML other m 2022-01-20T03:23:29.97
IV.TERO.HHE. ML:1.2 0.00005160912 0.1008 AML other m 2022-01-20T03:23:26.67
IV.CESI.HHN. ML:1.4 0.000054929399999999996 0.1392 AML other m 2022-01-20T03:23:32.59
IV.FDMO.HHE. ML:1.4 0.000049250000000000004 0.18 AML other m 2022-01-20T03:23:32.50
IV.CESI.HHE. ML:1.3 0.00003725 1.38 AML other m 2022-01-20T03:23:33.08
IV.FDMO.HHN. ML:1.3 0.000042071475 0.24 AML other m 2022-01-20T03:23:32.32
IV.GAVE.HNE. ML:1.4 0.0001322198 0.2512 AML other m 2022-01-20T03:23:22.65
IV.NRCA.HNE. ML:1.9 0.0002662114 0.1008 AML other m 2022-01-20T03:23:25.94
IV.NRCA.HNN. ML:1.8 0.000212882 0.1008 AML other m 2022-01-20T03:23:25.49
IV.MMO1.EHN. ML:1.2 0.000035013724999999995 0.0784 AML other m 2022-01-20T03:23:28.81
IV.MMO1.EHE. ML:1.2 0.000040712239999999996 0.12 AML other m 2022-01-20T03:23:29.30
IV.CESI.HNN. ML:1.9 0.00013864354000000002 0.5696 AML other m 2022-01-20T03:23:30.15
IV.CSP1.EHN. ML:1.5 0.00004798679 0.1408 AML other m 2022-01-20T03:23:35.15
IV.MML1.EHE. ML:1.3 0.00003018913 0.16 AML other m 2022-01-20T03:23:36.65
IV.MML1.EHN. ML:1.1 0.000021090505 0.16 AML other m 2022-01-20T03:23:36.08
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