Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 10-01-2022 and time 00:06:55 (UTC) in region 6 km W Sellano (PG)

A magnitude ML 1.1 earthquake occured in region: 6 km W Sellano (PG), on

  • 10-01-2022 00:06:55 (UTC)
  • 10-01-2022 01:06:55 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8940, 12.8600 at 9 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
Sellano PG 6 1079 1079
Trevi PG 9 8469 9548
Cerreto di Spoleto PG 9 1075 10623
Campello sul Clitunno PG 11 2442 13065
Vallo di Nera PG 14 364 13429
Foligno PG 15 57155 70584
Preci PG 15 724 71308
Monte Cavallo MC 16 145 71453
Montefalco PG 17 5679 77132
Castel Ritaldi PG 17 3278 80410
Sant'Anatolia di Narco PG 18 564 80974
Spello PG 19 8645 89619
Visso MC 19 1107 90726

Municipalities with at least 50000 inhabitants

An earthquake occurred to
15 Km E of Foligno (57155 inhabitants)
41 Km NE of Terni (111501 inhabitants)
45 Km SE of Perugia (166134 inhabitants)
74 Km W of Teramo (54892 inhabitants)
75 Km NW of L'Aquila (69753 inhabitants)
81 Km NE of Viterbo (67173 inhabitants)
97 Km SW of Ancona (100861 inhabitants)
100 Km N of Guidonia Montecelio (88673 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 1.1 2022-01-10
00:06:55		 42.8937 12.8602 9 2022-01-10
00:13:28		 Sala Sismica INGV-Roma 99502641
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-01-10 00:06:55 ± 0.16
Latitude 42.8937 ± 0.0054
Longitude 12.8602 ± 0.0086
Depth (km) 9 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 99502641

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 638
Semi-minor axis of confidence ellipse (meter) 353
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 261
Circular confidence region, given by single value of horizontal uncertainty (meter) 640.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 68
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) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.11601
Epicentral distance of station farthest from the epicenter (degree) 0.32196
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 99502641
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-01-10 00:13:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FDMO.HHZ. 2022-01-10T00:07:04.46 0.3 undecidable manual S 49 24.3534 109 -0.38 70
IV.GAVE.EHZ. 2022-01-10T00:07:04.17 0.1 undecidable manual S 173 22.5552 111 -0.08 99
IV.ASSB.HHZ. 2022-01-10T00:07:04.08 0.3 undecidable manual S 315 23.2545 110 -0.41 69
IV.NRCA.HHZ. 2022-01-10T00:07:03.94 0.3 undecidable manual S 108 21.6672 111 -0.05 75
IV.ARRO.EHN. 2022-01-10T00:07:03.28 0.3 undecidable manual P 192 35.742 50 0.14 72
IV.CESI.HHZ. 2022-01-10T00:07:01.77 0.3 undecidable manual S 16 12.876 124 0.52 69
IV.FDMO.HHZ. 2022-01-10T00:07:01.15 1.0 undecidable manual P 49 24.3534 109 0.09 25
IV.MOMA.HHE. 2022-01-10T00:07:01.85 0.6 undecidable manual P 247 25.6521 108 0.55 44
IV.ASSB.HHZ. 2022-01-10T00:07:00.65 0.1 undecidable manual P 315 23.2545 110 -0.21 97
IV.NRCA.HHZ. 2022-01-10T00:07:00.47 0.6 positive manual P 108 21.6672 111 -0.1 50
IV.GAVE.EHZ. 2022-01-10T00:07:00.67 0.1 negative manual P 173 22.5552 111 -0.05 100
IV.CESI.HHZ. 2022-01-10T00:06:59.32 0.3 negative manual P 16 12.876 124 0.33 72
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHE. ML:0.9 0.000100646835 0.16 AML other m 2022-01-10T00:07:01.94
IV.CESI.HHN. ML:1.2 0.00019659470000000002 0.22 AML other m 2022-01-10T00:07:02.11
IV.CESI.HNN. ML:1.3 0.00021454335000000002 0.22 AML other m 2022-01-10T00:07:02.11
IV.NRCA.HHE. ML:0.8 0.000042531715 1.06 AML other m 2022-01-10T00:07:04.05
IV.GAVE.EHE. ML:1.2 0.00009571548 0.14 AML other m 2022-01-10T00:07:04.36
IV.GAVE.EHN. ML:1.2 0.000096021535 0.14 AML other m 2022-01-10T00:07:04.40
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