Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.8 on date 07-09-2022 and time 23:02:36 (UTC) in region 4 km W Micigliano (RI)

A magnitude ML 0.8 earthquake occured in region: 4 km W Micigliano (RI), on

  • 07-09-2022 23:02:36 (UTC)
  • 08-09-2022 01:02:36 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.4500, 13.0120 at 12 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 4 127 127
Borgo Velino RI 6 972 1099
Castel Sant'Angelo RI 6 1308 2407
Antrodoco RI 7 2588 4995
Cittaducale RI 9 6828 11823
Cantalice RI 9 2755 14578
Posta RI 11 694 15272
Poggio Bustone RI 12 2055 17327
Borbona RI 12 617 17944
Leonessa RI 13 2435 20379
Rieti RI 13 47698 68077
Concerviano RI 14 291 68368
Rivodutri RI 15 1253 69621
Morro Reatino RI 17 373 69994
Belmonte in Sabina RI 18 636 70630
Cagnano Amiterno AQ 18 1369 71999
Petrella Salto RI 18 1197 73196
Labro RI 19 374 73570
Colli sul Velino RI 20 533 74103
Greccio RI 20 1558 75661
Longone Sabino RI 20 597 76258

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km E of Terni (111501 inhabitants)
34 Km W of L'Aquila (69753 inhabitants)
55 Km NE of Guidonia Montecelio (88673 inhabitants)
57 Km NE of Tivoli (56533 inhabitants)
61 Km W of Teramo (54892 inhabitants)
62 Km SE of Foligno (57155 inhabitants)
74 Km E of Viterbo (67173 inhabitants)
76 Km NE of Roma (2864731 inhabitants)
87 Km N of Velletri (53303 inhabitants)
89 Km SE of Perugia (166134 inhabitants)
94 Km W of Montesilvano (53738 inhabitants)
96 Km W of Chieti (51815 inhabitants)
96 Km NE of Pomezia (62966 inhabitants)
99 Km W of Pescara (121014 inhabitants)
99 Km NE of Fiumicino (78395 inhabitants)
100 Km NE of Aprilia (73446 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 2022-09-07
23:02:36		 42.4503 13.0118 12 2022-09-07
23:07:11		 Sala Sismica INGV-Roma 109442491
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-09-07 23:02:36 ± 0.16
Latitude 42.4503 ± 0.0045
Longitude 13.0118 ± 0.0110
Depth (km) 12 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 109442491

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 817
Semi-minor axis of confidence ellipse (meter) 429
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 89
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) 148
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.15378
Epicentral distance of station farthest from the epicenter (degree) 0.39031
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.1
Num. used stations 6
Type of magnitude ML
Reference to an origin 109442491
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-09-07 23:07:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NRCA.HHZ. 2022-09-07T23:02:50.47 0.6 undecidable manual S 11 43.3233 92 0.29 46
IV.GAVE.HNZ. 2022-09-07T23:02:46.26 0.6 undecidable manual S 340 28.5492 95 0.03 50
IV.ARRO.EHZ. 2022-09-07T23:02:45.15 0.6 undecidable manual S 305 24.6531 96 -0.07 49
IV.NRCA.HHZ. 2022-09-07T23:02:44.25 0.3 negative manual P 11 43.3233 92 0 73
IV.FIAM.HHZ. 2022-09-07T23:02:44.17 0.6 undecidable manual S 157 21.9669 98 -0.32 47
IV.RM33.EHZ. 2022-09-07T23:02:43.19 0.6 undecidable manual S 68 17.7711 103 -0.21 49
IV.LNSS.HHZ. 2022-09-07T23:02:43.28 0.6 undecidable manual S 8 17.0718 105 0.07 50
IV.ARRO.EHZ. 2022-09-07T23:02:41.71 0.6 positive manual P 305 24.6531 96 0.33 48
IV.GAVE.HNZ. 2022-09-07T23:02:41.58 0.1 undecidable manual P 340 28.5492 95 -0.39 91
IV.FIAM.HHZ. 2022-09-07T23:02:41.06 0.1 positive manual P 157 21.9669 98 0.09 100
IV.RM33.EHZ. 2022-09-07T23:02:40.45 0.6 positive manual P 68 17.7711 103 0.12 50
IV.LNSS.HHZ. 2022-09-07T23:02:40.52 0.6 positive manual P 8 17.0718 105 0.3 48
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.EHE. ML:0.9 0.000054999999999999995 0.92 AML other m 2022-09-07T23:02:43.96
IV.LNSS.HHE. ML:0.8 0.00004965 0.42 AML other m 2022-09-07T23:02:44.31
IV.LNSS.HHN. ML:0.9 0.00006565 0.34 AML other m 2022-09-07T23:02:44.39
IV.RM33.EHN. ML:0.6 0.00002945 0.84 AML other m 2022-09-07T23:02:44.77
IV.NRCA.HHE. ML:0.9 0.0000246 0.64 AML other m 2022-09-07T23:02:50.11
IV.NRCA.HHN. ML:0.9 0.0000249 1.54 AML other m 2022-09-07T23:02:51.20
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