Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 17-12-2022 and time 19:37:51 (Italy) in region 2 km E Sassoferrato (AN)

A magnitude ML 1.3 earthquake occured in region: 2 km E Sassoferrato (AN), on

  • 17-12-2022 18:37:51 (UTC)
  • 17-12-2022 19:37:51 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.4410, 12.8850 at 27 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
Sassoferrato AN 2 7285 7285
Genga AN 4 1797 9082
Arcevia AN 8 4612 13694
Serra San Quirico AN 11 2850 16544
Serra Sant'Abbondio PU 11 1027 17571
Fabriano AN 12 31480 49051
Mergo AN 13 1037 50088
Pergola PU 14 6333 56421
Frontone PU 14 1300 57721
Cerreto d'Esi AN 16 3817 61538
Rosora AN 16 1985 63523
Costacciaro PG 17 1216 64739
Sigillo PG 17 2404 67143
Serra de' Conti AN 17 3746 70889
Castelplanio AN 17 3540 74429
Poggio San Vicino MC 17 246 74675
Montecarotto AN 17 1987 76662
Poggio San Marcello AN 18 693 77355
Scheggia e Pascelupo PG 18 1393 78748
Cupramontana AN 19 4756 83504
San Lorenzo in Campo PU 19 3414 86918
Fossato di Vico PG 19 2840 89758
Barbara AN 19 1368 91126
Maiolati Spontini AN 19 6248 97374

Municipalities with at least 50000 inhabitants

An earthquake occurred to
46 Km S of Fano (60888 inhabitants)
52 Km S of Pesaro (94582 inhabitants)
55 Km NE of Perugia (166134 inhabitants)
55 Km W of Ancona (100861 inhabitants)
56 Km N of Foligno (57155 inhabitants)
74 Km SE of Rimini (147750 inhabitants)
81 Km E of Arezzo (99543 inhabitants)
93 Km SE of Cesena (96758 inhabitants)
100 Km N of Terni (111501 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 1.3 2022-12-17
18:37:51		 43.4407 12.8853 27 2022-12-17
18:41:53		 Sala Sismica INGV-Roma 112899341
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-12-17 18:37:51 ± 0.12
Latitude 43.4407 ± 0.0045
Longitude 12.8853 ± 0.0074
Depth (km) 27 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 112899341

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 599
Semi-minor axis of confidence ellipse (meter) 223
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 241
Circular confidence region, given by single value of horizontal uncertainty (meter) 600.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 151
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.43527
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 13
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 112899341
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-12-17 18:41:53
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FDMO.HHZ. 2022-12-17T18:38:07.66 0.6 undecidable manual S 160 47.7189 113 0.05 49
IV.MURB.HHZ. 2022-12-17T18:38:05.18 1.0 undecidable manual S 236 35.1426 122 0.56 21
IV.MML1.EHZ. 2022-12-17T18:38:05.13 0.6 undecidable manual S 169 36.9297 120 0.1 49
IV.ATCC.EHZ. 2022-12-17T18:38:04.83 0.6 undecidable manual S 215 34.5432 122 0.34 46
IV.MF5.EHZ. 2022-12-17T18:38:04.38 3.0 negative manual P 0.31 0
IV.NARO.HHZ. 2022-12-17T18:38:03.90 0.6 undecidable manual S 308 30.9468 125 0.22 48
IV.PIEI.HHZ. 2022-12-17T18:38:03.58 0.6 undecidable manual S 291 30.1476 126 0.08 49
IV.MPAG.EHZ. 2022-12-17T18:38:02.19 0.6 undecidable manual S 334 23.2545 134 0.08 51
IV.FOSV.EHZ. 2022-12-17T18:38:01.11 0.6 undecidable manual S 212 19.0698 141 -0.23 50
IV.EL6.EHZ. 2022-12-17T18:38:01.99 0.3 undecidable manual S 125 21.3675 137 0.24 75
IV.FDMO.HHZ. 2022-12-17T18:38:00.62 0.6 positive manual P 160 47.7189 113 -0.19 47
IV.CESI.HHZ. 2022-12-17T18:38:00.75 1.0 positive manual P 178 48.3183 113 -0.15 24
IV.CSP1.EHZ. 2022-12-17T18:38:00.59 0.6 negative manual P 146 46.5201 114 -0.05 49
IV.FRON.EHZ. 2022-12-17T18:38:00.56 0.6 undecidable manual S 304 15.4734 147 -0.21 50
IV.MML1.EHZ. 2022-12-17T18:37:59.30 0.6 positive manual P 169 36.9297 120 -0.03 50
IV.SSFR.HHZ. 2022-12-17T18:37:59.58 0.6 undecidable manual S 267 8.2806 161 -0.36 49
IV.ATCC.EHZ. 2022-12-17T18:37:59.05 0.6 positive manual P 215 34.5432 122 0.03 50
IV.MURB.HHZ. 2022-12-17T18:37:59.24 0.6 negative manual P 236 35.1426 122 0.16 48
IV.PIEI.HHZ. 2022-12-17T18:37:58.44 0.6 positive manual P 291 30.1476 126 0 51
IV.NARO.HHZ. 2022-12-17T18:37:58.58 0.3 positive manual P 308 30.9468 125 0.03 75
IV.FOSV.EHZ. 2022-12-17T18:37:57.00 0.1 positive manual P 212 19.0698 141 -0.2 100
IV.EL6.EHZ. 2022-12-17T18:37:57.49 0.6 negative manual P 125 21.3675 137 0.06 51
IV.MPAG.EHZ. 2022-12-17T18:37:57.55 1.0 undecidable manual P 334 23.2545 134 -0.09 25
IV.FRON.EHZ. 2022-12-17T18:37:56.79 0.6 positive manual P 304 15.4734 147 -0.08 51
IV.SSFR.HHZ. 2022-12-17T18:37:56.22 1.0 undecidable manual P 267 8.2806 161 -0.16 26
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SSFR.HHN. ML:1.5 0.00017099999999999998 1.66 AML other m 2022-12-17T18:38:00.01
IV.SSFR.HHE. ML:1.4 0.00013350000000000002 0.8 AML other m 2022-12-17T18:38:00.44
IV.FRON.EHE. ML:1.0 0.0000513 0.4 AML other m 2022-12-17T18:38:00.67
IV.FOSV.EHE. ML:1.3 0.00008460000000000001 0.2 AML other m 2022-12-17T18:38:01.23
IV.FOSV.EHN. ML:1.2 0.00008219999999999999 0.16 AML other m 2022-12-17T18:38:01.24
IV.FRON.EHN. ML:1.1 0.0000649 1.02 AML other m 2022-12-17T18:38:01.59
IV.PIEI.HHE. ML:1.4 0.0000835 1.6 AML other m 2022-12-17T18:38:03.15
IV.NARO.HHN. ML:1.1 0.000038650000000000004 0.28 AML other m 2022-12-17T18:38:04.21
IV.NARO.HHE. ML:1.1 0.0000432 0.2 AML other m 2022-12-17T18:38:04.55
IV.PIEI.HHN. ML:1.0 0.00003625000000000001 0.54 AML other m 2022-12-17T18:38:04.98
IV.ATCC.EHE. ML:1.5 0.00009415 0.24 AML other m 2022-12-17T18:38:05.16
IV.ATCC.EHN. ML:1.4 0.0000877 0.14 AML other m 2022-12-17T18:38:05.04
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