Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.8 on date 20-01-2022 and time 00:04:48 (Italy) in region 1 km E Micigliano (RI)

A magnitude ML 0.8 earthquake occured in region: 1 km E Micigliano (RI), on

  • 19-01-2022 23:04:48 (UTC)
  • 20-01-2022 00:04:48 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.4520, 13.0730 at 11 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.

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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 1 127 127
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
Cittaducale RI 12 6828 13134
Cagnano Amiterno AQ 13 1369 14503
Cantalice RI 14 2755 17258
Leonessa RI 15 2435 19693
Concerviano RI 16 291 19984
Poggio Bustone RI 16 2055 22039
Montereale AQ 16 2581 24620
Barete AQ 17 737 25357
Petrella Salto RI 17 1197 26554
Scoppito AQ 18 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)
79 Km E of Viterbo (67173 inhabitants)
88 Km N of Velletri (53303 inhabitants)
89 Km W of Montesilvano (53738 inhabitants)
91 Km W of Chieti (51815 inhabitants)
92 Km SE of Perugia (166134 inhabitants)
94 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
Reviewed
Rev100 		ML 0.8 2022-01-19
23:04:48		 42.452 13.0727 11 2022-01-19
23:11:03		 Sala Sismica INGV-Roma 99954261
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-01-19 23:04:48 ± 0.11
Latitude 42.4520 ± 0.0036
Longitude 13.0727 ± 0.0085
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 99954261

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 711
Semi-minor axis of confidence ellipse (meter) 249
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 265
Circular confidence region, given by single value of horizontal uncertainty (meter) 710.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 181
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.38221
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 5
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.1
Num. used stations 8
Type of magnitude ML
Reference to an origin 99954261
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-01-19 23:11:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
OT.OT17.EHZ. 2022-01-19T23:05:49.04 3.0 undecidable manual Sg 0.55 0
IV.PTRJ.HHZ. 2022-01-19T23:05:16.01 3.0 undecidable manual Pn -0.44 0
IV.MURB.HHZ. 2022-01-19T23:05:04.91 3.0 undecidable manual P -1.49 0
IV.SMA1.EHZ. 2022-01-19T23:04:59.26 0.3 undecidable manual S 47 29.2485 50 -0.06 75
IV.NRCA.HHZ. 2022-01-19T23:04:56.88 0.6 positive manual P 5 42.4242 50 -0.1 48
IV.FIAM.HHZ. 2022-01-19T23:04:56.88 0.3 undecidable manual S 170 20.7681 117 -0.14 75
IV.LNSS.HHZ. 2022-01-19T23:04:55.69 0.3 undecidable manual S 351 16.9719 122 -0.19 75
IV.RM33.EHZ. 2022-01-19T23:04:54.72 0.3 undecidable manual S 61 13.1757 129 -0.1 77
IV.SMA1.EHZ. 2022-01-19T23:04:54.98 0.6 positive manual P 47 29.2485 50 0.04 50
IV.FIAM.HHZ. 2022-01-19T23:04:53.80 1.0 negative manual P 170 20.7681 117 0.18 25
IV.LNSS.HHZ. 2022-01-19T23:04:53.16 0.3 negative manual P 351 16.9719 122 0.2 74
IV.RM33.EHZ. 2022-01-19T23:04:52.54 0.1 positive manual P 61 13.1757 129 0.2 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.EHE. ML:0.9 0.00007428499999999998 0.1664 AML other m 2022-01-19T23:04:55.50
IV.LNSS.HHN. ML:0.9 0.000071964105 0.1408 AML other m 2022-01-19T23:04:56.33
IV.RM33.EHN. ML:0.6 0.000038515129999999995 0.1536 AML other m 2022-01-19T23:04:56.28
IV.LNSS.HHE. ML:0.9 0.00006895030500000001 0.1024 AML other m 2022-01-19T23:04:56.42
IV.NRCA.HHE. ML:1.0 0.00002751471 0.1408 AML other m 2022-01-19T23:05:03.18
IV.NRCA.HHN. ML:0.8 0.0000183448035 0.1408 AML other m 2022-01-19T23:05:02.90
IV.SMA1.EHE. ML:0.8 0.000030245655 0.2048 AML other m 2022-01-19T23:04:59.76
IV.SMA1.EHN. ML:0.6 0.00002063074 2.1632 AML other m 2022-01-19T23:04:59.59
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