Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 13-08-2022 and time 15:31:31 (UTC) in region 2 km W Sigillo (PG)

A magnitude ML 1.1 earthquake occured in region: 2 km W Sigillo (PG), on

  • 13-08-2022 15:31:31 (UTC)
  • 13-08-2022 17:31:31 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.3260, 12.7240 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
Sigillo PG 2 2404 2404
Costacciaro PG 4 1216 3620
Fossato di Vico PG 5 2840 6460
Scheggia e Pascelupo PG 10 1393 7853
Gualdo Tadino PG 12 15208 23061
Gubbio PG 12 32216 55277
Fabriano AN 15 31480 86757
Sassoferrato AN 16 7285 94042
Cantiano PU 18 2245 96287
Serra Sant'Abbondio PU 19 1027 97314
Esanatoglia MC 20 2034 99348

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km NE of Perugia (166134 inhabitants)
41 Km N of Foligno (57155 inhabitants)
62 Km SW of Fano (60888 inhabitants)
67 Km S of Pesaro (94582 inhabitants)
70 Km E of Arezzo (99543 inhabitants)
72 Km W of Ancona (100861 inhabitants)
83 Km S of Rimini (147750 inhabitants)
85 Km N of Terni (111501 inhabitants)
98 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
Bulletin
Rev1000 		ML 1.1 2022-08-13
15:31:31		 43.3265 12.7243 15 2023-01-31
19:03:35		 Bollettino Sismico Italiano INGV 109090001
Reviewed
Rev100 		ML 1.1 2022-08-13
15:31:31		 43.3288 12.7257 15 2022-08-13
15:37:23		 Sala Sismica INGV-Roma 108487491
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-08-13 15:31:31 ± 0.07
Latitude 43.3265 ± 0.0027
Longitude 12.7243 ± 0.0037
Depth (km) 15 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 109090001

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 268
Semi-minor axis of confidence ellipse (meter) 199
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 81
Circular confidence region, given by single value of horizontal uncertainty (meter) 270.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 50
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) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.30397
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 108487491
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-08-13 15:37:23

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 109090001
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-08-29 11:08:36
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MPAG.EHZ. 2022-08-13T15:31:44.02 0.3 undecidable manual S 5 33.744 99 0.5 65
IV.NARO.HHZ. 2022-08-13T15:31:43.60 0.3 undecidable manual S 340 33.6441 99 0.11 71
IV.ASSB.HHZ. 2022-08-13T15:31:42.96 0.1 undecidable manual S 190 31.9458 100 -0.1 94
IV.EL6.EHZ. 2022-08-13T15:31:42.86 0.6 undecidable manual S 89 30.4473 101 0.19 47
IV.ARVD.HHZ. 2022-08-13T15:31:41.53 0.1 undecidable manual S 43 25.8519 104 0.06 96
IV.ATVO.HHZ. 2022-08-13T15:31:41.38 0.3 undecidable manual S 284 26.3514 104 -0.22 70
IV.FDMO.HHZ. 2022-08-13T15:31:40.43 3.0 positive manual P 0.1 0
IV.FRON.EHZ. 2022-08-13T15:31:40.07 0.3 undecidable manual S 0 21.2676 110 -0.22 71
IV.SNTG.HHZ. 2022-08-13T15:31:39.76 0.6 undecidable manual S 114 19.1697 113 -0.01 49
IV.ATCC.EHZ. 2022-08-13T15:31:39.57 0.3 undecidable manual S 204 17.0718 117 0.3 70
IV.MURB.HHZ. 2022-08-13T15:31:39.66 0.3 undecidable manual S 246 17.5713 116 0.27 71
IV.ATFO.HHZ. 2022-08-13T15:31:38.34 0.1 undecidable manual S 290 13.0758 127 -0.03 100
IV.EL6.EHZ. 2022-08-13T15:31:38.14 0.1 undecidable manual P 89 30.4473 101 -0.02 96
IV.ASSB.HHZ. 2022-08-13T15:31:38.33 0.1 undecidable manual P 190 31.9458 100 -0.05 95
IV.NARO.HHZ. 2022-08-13T15:31:38.43 0.1 undecidable manual P 340 33.6441 99 -0.21 92
IV.MPAG.EHZ. 2022-08-13T15:31:38.68 0.1 undecidable manual P 5 33.744 99 0.03 96
IV.ARVD.HHZ. 2022-08-13T15:31:37.39 0.1 undecidable manual P 43 25.8519 104 -0.08 96
IV.ATVO.HHZ. 2022-08-13T15:31:37.61 0.1 undecidable manual P 284 26.3514 104 0.07 97
IV.FRON.EHZ. 2022-08-13T15:31:36.60 0.1 undecidable manual P 0 21.2676 110 -0.18 95
IV.SNTG.HHZ. 2022-08-13T15:31:36.64 0.1 undecidable manual P 114 19.1697 113 0.15 96
IV.ATCC.EHZ. 2022-08-13T15:31:36.22 0.1 undecidable manual P 204 17.0718 117 0.02 99
IV.FOSV.EHZ. 2022-08-13T15:31:36.74 0.1 undecidable manual S 140 4.5954 158 -0.24 97
IV.MURB.HHZ. 2022-08-13T15:31:36.36 0.1 undecidable manual P 246 17.5713 116 0.09 98
IV.ATFO.HHZ. 2022-08-13T15:31:35.68 0.1 undecidable manual P 290 13.0758 127 0 100
IV.FOSV.EHZ. 2022-08-13T15:31:34.80 0.1 positive manual P 140 4.5954 158 -0.07 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FOSV.EHN. ML:1.1 0.0001455 1.76 AML other m 2022-08-13T15:31:36.03
IV.FOSV.HNE. ML:1.3 0.0002335 1.68 AML other m 2022-08-13T15:31:36.91
IV.FOSV.EHE. ML:1.4 0.00027600000000000004 1.7 AML other m 2022-08-13T15:31:36.91
IV.FOSV.HNN. ML:1.2 0.00017199999999999998 1.08 AML other m 2022-08-13T15:31:37.03
IV.ATFO.HHN. ML:1.1 0.00010899999999999999 0.42 AML other m 2022-08-13T15:31:38.67
IV.ATFO.HHE. ML:1.3 0.0001615 0.74 AML other m 2022-08-13T15:31:38.55
IV.ATCC.EHN. ML:1.4 0.0001735 1.82 AML other m 2022-08-13T15:31:39.91
IV.ATCC.EHE. ML:1.4 0.00016999999999999999 0.22 AML other m 2022-08-13T15:31:39.84
IV.MURB.HHE. ML:1.4 0.000182 0.4 AML other m 2022-08-13T15:31:40.04
IV.MURB.HHN. ML:1.3 0.000142 1.58 AML other m 2022-08-13T15:31:40.05
IV.FRON.EHE. ML:0.9 0.0000451 0.52 AML other m 2022-08-13T15:31:40.58
IV.SNTG.HHE. ML:0.8 0.000039750000000000004 1.58 AML other m 2022-08-13T15:31:40.08
IV.SNTG.HHN. ML:0.8 0.000043049999999999996 0.86 AML other m 2022-08-13T15:31:41.11
IV.ARVD.HHE. ML:0.9 0.000041599999999999995 1.92 AML other m 2022-08-13T15:31:41.99
IV.ARVD.HHN. ML:1.0 0.000056 0.14 AML other m 2022-08-13T15:31:42.11
IV.FRON.EHN. ML:1.0 0.00006500000000000001 0.42 AML other m 2022-08-13T15:31:42.65
IV.ASSB.HHE. ML:1.1 0.000052249999999999996 1.08 AML other m 2022-08-13T15:31:43.33
IV.ASSB.HHN. ML:1.0 0.00003905 1.5 AML other m 2022-08-13T15:31:43.17
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