Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 08-11-2022 and time 20:22:38 (Italy) in region 5 km NW Accumoli (RI)

A magnitude ML 1.0 earthquake occured in region: 5 km NW Accumoli (RI), on

  • 08-11-2022 19:22:38 (UTC)
  • 08-11-2022 20:22:38 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7280, 13.2140 at 10 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
Accumoli RI 5 667 667
Arquata del Tronto AP 9 1178 1845
Norcia PG 12 4957 6802
Amatrice RI 13 2657 9459
Cittareale RI 13 482 9941
Montegallo AP 16 523 10464
Cascia PG 16 3217 13681
Acquasanta Terme AP 17 2916 16597
Castelsantangelo sul Nera MC 19 281 16878

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km W of Teramo (54892 inhabitants)
44 Km NW of L'Aquila (69753 inhabitants)
49 Km SE of Foligno (57155 inhabitants)
50 Km E of Terni (111501 inhabitants)
79 Km SE of Perugia (166134 inhabitants)
80 Km W of Montesilvano (53738 inhabitants)
87 Km W of Pescara (121014 inhabitants)
89 Km W of Chieti (51815 inhabitants)
90 Km NE of Guidonia Montecelio (88673 inhabitants)
92 Km NE of Tivoli (56533 inhabitants)
97 Km E of Viterbo (67173 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 1.0 2022-11-08
19:22:38		 42.7278 13.2143 10 2022-11-08
19:34:50		 Sala Sismica INGV-Roma 111593881
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-11-08 19:22:38 ± 0.09
Latitude 42.7278 ± 0.0036
Longitude 13.2143 ± 0.0073
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 111593881

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 646
Semi-minor axis of confidence ellipse (meter) 157
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 117
Circular confidence region, given by single value of horizontal uncertainty (meter) 650.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 200
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.11
Epicentral distance of station closest to the epicenter (degree) 0.12860
Epicentral distance of station farthest from the epicenter (degree) 0.36423
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 111593881
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-11-08 19:34:50
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FDMO.HHZ. 2022-11-08T19:22:50.66 0.6 undecidable manual S 343 35.742 50 -0.15 48
IV.CSP1.EHZ. 2022-11-08T19:22:46.62 1.0 negative manual P 359 40.4262 50 0.27 23
IV.LNSS.HHZ. 2022-11-08T19:22:46.13 0.6 undecidable manual S 226 19.869 117 -0.17 49
IV.CESI.HHZ. 2022-11-08T19:22:46.26 1.0 undecidable manual P 321 39.7269 50 0.01 24
IV.FDMO.HHZ. 2022-11-08T19:22:45.63 1.0 negative manual P 343 35.742 50 0 25
IV.NRCA.HHZ. 2022-11-08T19:22:44.55 0.6 undecidable manual S 325 14.2746 125 -0.1 50
IV.MMO1.EHZ. 2022-11-08T19:22:43.30 1.0 undecidable manual P 26 21.0678 116 0.03 25
IV.LNSS.HHZ. 2022-11-08T19:22:43.10 0.1 positive manual P 226 19.869 117 0.06 100
IV.MC2.EHZ. 2022-11-08T19:22:43.29 0.6 positive manual P 354 20.4684 116 0.14 49
7F.SIB1.EHZ. 2022-11-08T19:22:42.93 0.6 undecidable manual P 14 19.0698 118 0.03 50
IV.NRCA.HHZ. 2022-11-08T19:22:42.25 0.1 positive manual P 325 14.2746 125 0.17 99
7F.SIB3.EHN. 2022-11-08T19:22:42.33 0.6 undecidable manual P 15 16.9719 121 -0.2 49
7F.SIB2.EHN. 2022-11-08T19:22:42.89 0.3 undecidable manual P 22 19.5693 117 -0.09 75
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.1 0.000118 0.08 AML other m 2022-11-08T19:22:44.72
IV.NRCA.HHE. ML:1.2 0.0001478625 0.064 AML other m 2022-11-08T19:22:44.76
IV.SMA1.EHN. ML:0.5 0.000029049999999999998 1.52 AML other m 2022-11-08T19:22:46.07
IV.LNSS.HHE. ML:0.0 0.00003901516 0.0896 AML other m 2022-11-08T19:22:47.28
IV.LNSS.HHN. ML:0.0 0.000043324774999999994 0.1408 AML other m 2022-11-08T19:22:47.14
IV.SMA1.EHE. ML:0.5 0.00003095 1.3 AML other m 2022-11-08T19:22:47.17
IV.NRCA.HNE. ML:1.2 0.000137754905 0.064 AML other m 2022-11-08T19:22:44.76
IV.NRCA.HNN. ML:1.2 0.00014286186800000001 0.5376 AML other m 2022-11-08T19:22:51.76
IV.LNSS.HNE. ML:1.1 0.00008743578999999999 0.7808 AML other m 2022-11-08T19:22:42.99
IV.LNSS.HNN. ML:1.3 0.000136694985 0.768 AML other m 2022-11-08T19:22:55.08
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