Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.4 on date 16-08-2022 and time 22:58:38 (Italy) in region 5 km W Sassoferrato (AN)

A magnitude ML 0.4 earthquake occured in region: 5 km W Sassoferrato (AN), on

  • 16-08-2022 20:58:38 (UTC)
  • 16-08-2022 22:58:38 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.4260, 12.7950 at 14 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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 5 7285 7285
Serra Sant'Abbondio PU 8 1027 8312
Costacciaro PG 10 1216 9528
Scheggia e Pascelupo PG 11 1393 10921
Frontone PU 11 1300 12221
Sigillo PG 11 2404 14625
Genga AN 11 1797 16422
Fabriano AN 13 31480 47902
Arcevia AN 14 4612 52514
Cantiano PU 15 2245 54759
Fossato di Vico PG 15 2840 57599
Pergola PU 16 6333 63932
Cagli PU 18 8731 72663
Serra San Quirico AN 18 2850 75513
Gubbio PG 19 32216 107729
Cerreto d'Esi AN 19 3817 111546

Municipalities with at least 50000 inhabitants

An earthquake occurred to
48 Km NE of Perugia (166134 inhabitants)
50 Km SW of Fano (60888 inhabitants)
53 Km N of Foligno (57155 inhabitants)
55 Km S of Pesaro (94582 inhabitants)
62 Km W of Ancona (100861 inhabitants)
73 Km S of Rimini (147750 inhabitants)
74 Km E of Arezzo (99543 inhabitants)
91 Km SE of Cesena (96758 inhabitants)
97 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
Bulletin
Rev1000 		ML 0.4 2022-08-16
20:58:38		 43.4262 12.7952 14 2023-01-31
19:03:50		 Bollettino Sismico Italiano INGV 110513431
Reviewed
Rev100 		ML 0.4 2022-08-16
20:58:38		 43.4247 12.7888 14 2022-08-16
21:23:06		 Sala Sismica INGV-Roma 108626961
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-08-16 20:58:38 ± 0.11
Latitude 43.4262 ± 0.0036
Longitude 12.7952 ± 0.0074
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 110513431

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 474
Semi-minor axis of confidence ellipse (meter) 454
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 53
Circular confidence region, given by single value of horizontal uncertainty (meter) 470.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 92
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.28509
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:0.4

Field Value
Value 0.4
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 108626961
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-08-16 21:23:06

ML:0.4

Field Value
Value 0.4
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 110513431
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-10-05 08:41:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
OT.CGL1.HHZ. 2022-08-16T21:00:25.17 3.0 undecidable manual Sn 0.35 0
IV.CMPR.HHZ. 2022-08-16T21:00:07.21 3.0 undecidable manual Sn 0.15 0
MN.CLTB.HHZ. 2022-08-16T20:59:58.45 3.0 undecidable manual Pn 0 0
IV.ZEN8.EHZ. 2022-08-16T20:59:54.29 3.0 undecidable manual Sn 0.28 0
IV.GRI.EHZ. 2022-08-16T20:59:48.29 3.0 negative manual Pn -0.56 0
GU.RORO.HHZ. 2022-08-16T20:59:33.88 3.0 undecidable manual Pn 2.2 0
IV.CMPR.HHZ. 2022-08-16T20:59:32.79 3.0 undecidable manual Pg 7.55 0
IV.RCAV.EHZ. 2022-08-16T20:59:01.97 3.0 positive manual Pg 1.63 0
IV.ATPC.HHE. 2022-08-16T20:58:48.23 0.6 undecidable manual S 283 27.8499 100 0.15 48
IV.ATCC.EHZ. 2022-08-16T20:58:48.62 0.3 undecidable manual S 205 29.5482 99 0.11 72
IV.MURB.HHE. 2022-08-16T20:58:48.46 0.6 undecidable manual S 230 28.3494 99 0.26 47
IV.ATVO.HHN. 2022-08-16T20:58:48.93 0.6 undecidable manual S 261 31.6461 98 -0.15 47
IV.NARO.HHZ. 2022-08-16T20:58:47.62 0.3 undecidable manual S 320 26.751 100 -0.17 71
IV.PIEI.HNN. 2022-08-16T20:58:46.59 0.6 undecidable manual S 300 24.1536 102 -0.52 44
IV.MPAG.EHZ. 2022-08-16T20:58:46.78 0.6 undecidable manual S 353 22.6551 104 0.06 49
IV.SNTG.HHE. 2022-08-16T20:58:46.70 0.3 undecidable manual S 148 22.3554 104 0.08 73
IV.FRON.EHZ. 2022-08-16T20:58:44.02 0.3 undecidable manual S 331 11.5773 128 -0.01 76
IV.MURB.HHE. 2022-08-16T20:58:44.10 0.3 undecidable manual P 230 28.3494 99 0.16 72
IV.ATVO.HHN. 2022-08-16T20:58:44.94 0.6 undecidable manual P 261 31.6461 98 0.49 44
IV.FOSV.EHZ. 2022-08-16T20:58:44.55 0.3 undecidable manual S 191 14.874 118 -0.21 72
IV.ATPC.HHE. 2022-08-16T20:58:44.01 0.3 undecidable manual P 283 27.8499 100 0.14 72
IV.ATCC.EHZ. 2022-08-16T20:58:44.05 0.3 undecidable manual P 205 29.5482 99 -0.07 72
IV.PIEI.HNN. 2022-08-16T20:58:43.30 0.1 undecidable manual P 300 24.1536 102 -0.01 99
IV.NARO.HHZ. 2022-08-16T20:58:43.56 0.3 undecidable manual P 320 26.751 100 -0.14 72
IV.ATSC.EHE. 2022-08-16T20:58:43.16 0.6 undecidable manual S 268 8.7801 139 -0.32 47
IV.MPAG.EHZ. 2022-08-16T20:58:43.00 0.1 undecidable manual P 353 22.6551 104 -0.08 98
IV.ATFO.HHN. 2022-08-16T20:58:42.88 0.1 undecidable manual P 250 19.1697 109 0.32 94
IV.SSFR.HHZ. 2022-08-16T20:58:42.82 0.3 undecidable manual S 317 1.4985 172 0.15 74
IV.SNTG.HHE. 2022-08-16T20:58:42.59 0.3 undecidable manual P 148 22.3554 104 -0.43 68
IV.ATSC.EHE. 2022-08-16T20:58:41.10 0.1 undecidable manual P 268 8.7801 139 -0.11 99
IV.ARVD.HHZ. 2022-08-16T20:58:41.84 0.6 undecidable manual P 56 14.2746 120 -0.02 50
IV.FRON.EHZ. 2022-08-16T20:58:41.62 0.3 undecidable manual P 331 11.5773 128 0.09 74
IV.FOSV.EHZ. 2022-08-16T20:58:41.90 0.3 undecidable manual P 191 14.874 118 -0.05 75
IV.SSFR.HHZ. 2022-08-16T20:58:40.85 0.1 undecidable manual P 317 1.4985 172 0.11 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SSFR.HHN. ML:0.4 0.00003325 0.66 AML other m 2022-08-16T20:58:42.59
IV.SSFR.HHE. ML:0.4 0.000028 1.26 AML other m 2022-08-16T20:58:43.30
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