Earthquake with magnitude of ML 0.7 on date 20-01-2022 and time 20:11:23 (UTC) in region 7 km SW Sassoferrato (AN)

A magnitude ML 0.7 earthquake occured in region: 7 km SW Sassoferrato (AN), on

  • 20-01-2022 20:11:23 (UTC)
  • 20-01-2022 21:11:23 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.3820, 12.8110 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Sassoferrato AN 7 7285 7285
Sigillo PG 8 2404 9689
Costacciaro PG 8 1216 10905
Fabriano AN 9 31480 42385
Fossato di Vico PG 10 2840 45225
Genga AN 12 1797 47022
Scheggia e Pascelupo PG 12 1393 48415
Serra Sant'Abbondio PU 13 1027 49442
Cerreto d'Esi AN 16 3817 53259
Frontone PU 16 1300 54559
Gualdo Tadino PG 17 15208 69767
Arcevia AN 17 4612 74379
Cantiano PU 18 2245 76624
Serra San Quirico AN 18 2850 79474
Esanatoglia MC 18 2034 81508
Gubbio PG 19 32216 113724

Municipalities with at least 50000 inhabitants

An earthquake occurred to
46 Km NE of Perugia (166134 inhabitants)
48 Km N of Foligno (57155 inhabitants)
54 Km SW of Fano (60888 inhabitants)
59 Km S of Pesaro (94582 inhabitants)
63 Km W of Ancona (100861 inhabitants)
76 Km E of Arezzo (99543 inhabitants)
78 Km S of Rimini (147750 inhabitants)
92 Km N of Terni (111501 inhabitants)
96 Km SE of Cesena (96758 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 0.7 2022-01-20
20:11:23
43.3822 12.8107 12 2022-01-20
20:21:01
Sala Sismica INGV-Roma 99994621
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-01-20 20:11:23 ± 0.04
Latitude 43.3822 ± 0.0018
Longitude 12.8107 ± 0.0025
Depth (km) 12 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 99994621

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 220
Semi-minor axis of confidence ellipse (meter) 46
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 254
Circular confidence region, given by single value of horizontal uncertainty (meter) 220.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 59
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.07
Epicentral distance of station closest to the epicenter (degree) 0.05756
Epicentral distance of station farthest from the epicenter (degree) 0.28329
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.4
Num. used stations 30
Type of magnitude ML
Reference to an origin 99994621
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-01-20 20:21:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SNTG.HHZ. 2022-01-20T20:11:30.40 0.6 undecidable manual S 143 17.5713 101 -0.07 49
IV.ARVD.HHZ. 2022-01-20T20:11:30.20 0.6 undecidable manual S 39 16.5723 103 -0.01 50
IV.FRON.EHZ. 2022-01-20T20:11:30.16 0.6 undecidable manual S 336 16.5723 103 -0.04 50
IV.CING.HHZ. 2022-01-20T20:11:29.71 1.0 undecidable manual P 91 31.0467 93 0.21 24
IV.NARO.HHZ. 2022-01-20T20:11:29.54 0.3 undecidable manual P 324 31.4463 93 -0.02 73
IV.PIEI.HNZ. 2022-01-20T20:11:29.28 1.0 undecidable manual P 308 27.9498 93 0.25 23
IV.MPAG.EHZ. 2022-01-20T20:11:28.92 0.6 undecidable manual P 351 27.75 94 -0.07 49
IV.SSFR.HHZ. 2022-01-20T20:11:28.06 0.3 undecidable manual S 339 6.3936 143 0.14 75
IV.ATSC.EHZ. 2022-01-20T20:11:28.81 0.6 undecidable manual S 295 11.0778 122 -0.03 51
IV.FOSV.EHZ. 2022-01-20T20:11:28.64 0.3 undecidable manual S 202 10.4784 124 -0.07 75
IV.ATCC.EHZ. 2022-01-20T20:11:28.67 0.6 undecidable manual P 212 25.8519 94 -0.03 49
IV.EL6.EHZ. 2022-01-20T20:11:28.65 1.0 undecidable manual P 104 24.1536 95 0.2 24
IV.MURB.HHZ. 2022-01-20T20:11:28.93 0.6 negative manual P 240 26.6511 94 0.11 48
IV.ATBU.EHZ. 2022-01-20T20:11:28.46 1.0 undecidable manual P 296 23.5542 95 0.11 24
IV.ARVD.HHZ. 2022-01-20T20:11:27.02 1.0 undecidable manual P 39 16.5723 103 -0.27 24
IV.FRON.EHZ. 2022-01-20T20:11:27.19 0.3 undecidable manual P 336 16.5723 103 -0.09 74
IV.SNTG.HHZ. 2022-01-20T20:11:27.48 0.6 positive manual P 143 17.5713 101 0.04 50
IV.ATFO.HHZ. 2022-01-20T20:11:27.67 0.1 positive manual P 265 19.3695 98 -0.04 100
IV.ATSC.EHZ. 2022-01-20T20:11:26.49 0.6 undecidable manual P 295 11.0778 122 0 51
IV.FOSV.EHZ. 2022-01-20T20:11:26.42 0.3 undecidable manual P 202 10.4784 124 0 76
IV.SSFR.HHZ. 2022-01-20T20:11:25.99 1.0 undecidable manual P 339 6.3936 143 0.02 26
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SSFR.HHE. ML:1.4 0.0003694174 0.064 AML other m 2022-01-20T20:11:28.12
IV.SSFR.HNE. ML:1.8 0.0007555000000000001 0.04 AML other m 2022-01-20T20:11:28.18
IV.SSFR.HHN. ML:1.5 0.00038500000000000003 0.06 AML other m 2022-01-20T20:11:28.24
IV.SSFR.HNN. ML:1.7 0.0007215 0.06 AML other m 2022-01-20T20:11:28.25
IV.FRON.EHE. ML:0.8 0.0000544 0.16 AML other m 2022-01-20T20:11:30.25
IV.FRON.EHN. ML:0.8 0.000051000000000000006 0.18 AML other m 2022-01-20T20:11:30.33
IV.FOSV.EHE. ML:0.4 0.0000265149865 0.0512 AML other m 2022-01-20T20:11:28.77
IV.FOSV.EHN. ML:0.4 0.000028970814999999998 0.0768 AML other m 2022-01-20T20:11:28.71
IV.FOSV.HNE. ML:0.5 0.000036474105 0.2048 AML other m 2022-01-20T20:11:28.76
IV.FOSV.HNN. ML:0.8 0.00006388850999999999 0.9728 AML other m 2022-01-20T20:11:28.56
IV.ARVD.HHE. ML:0.4 0.000021963275 0.0768 AML other m 2022-01-20T20:11:30.39
IV.ARVD.HHN. ML:0.4 0.00002163004255 0.1024 AML other m 2022-01-20T20:11:30.45
IV.SNTG.HHE. ML:0.1 0.0000108238625 0.5248 AML other m 2022-01-20T20:11:30.28
IV.SNTG.HHN. ML:0.4 0.000018707997 0.1792 AML other m 2022-01-20T20:11:31.06
IV.SNTG.HNE. ML:0.9 0.000058656895000000004 1.2288 AML other m 2022-01-20T20:11:30.51
IV.SNTG.HNN. ML:0.8 0.000043479163 0.6528 AML other m 2022-01-20T20:11:30.41
IV.ATFO.HHE. ML:0.6 0.000031576855 0.6656 AML other m 2022-01-20T20:11:33.26
IV.ATCC.HNE. ML:1.1 0.000071683915 0.5248 AML other m 2022-01-20T20:11:36.74
IV.ATCC.EHE. ML:0.7 0.000028842181500000003 0.2816 AML other m 2022-01-20T20:11:33.32
IV.ATCC.EHN. ML:0.8 0.000037104265 0.7936 AML other m 2022-01-20T20:11:32.47
IV.MPAG.EHE. ML:0.5 0.000012639606500000001 0.2432 AML other m 2022-01-20T20:11:33.30
IV.MPAG.EHN. ML:0.5 0.000014784220000000001 0.2304 AML other m 2022-01-20T20:11:33.88
IV.MPAG.HNE. ML:1.4 0.000142553335 0.6272 AML other m 2022-01-20T20:11:37.96
IV.MPAG.HNN. ML:1.4 0.00012692935 0.8192 AML other m 2022-01-20T20:11:40.95
IV.MURB.HHE. ML:0.9 0.00004124319999999999 0.5376 AML other m 2022-01-20T20:11:33.66
IV.MURB.HHN. ML:0.8 0.000028289620000000002 0.2816 AML other m 2022-01-20T20:11:35.19
IV.MURB.HNE. ML:1.3 0.0001044051 0.6016 AML other m 2022-01-20T20:11:38.51
IV.MURB.HNN. ML:1.3 0.00010268249 0.9472 AML other m 2022-01-20T20:11:35.99
IV.NARO.HHE. ML:0.4 0.000010703251 0.064 AML other m 2022-01-20T20:11:34.50
IV.NARO.HHN. ML:0.4 0.00001078824 0.6144 AML other m 2022-01-20T20:11:31.80
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