Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 03-08-2020 and time 00:29:28 (UTC) in region 4 km NE Costacciaro (PG)

A magnitude ML 1.1 earthquake occured in region: 4 km NE Costacciaro (PG), on

  • 03-08-2020 00:29:28 (UTC)
  • 03-08-2020 02:29:28 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.3880, 12.7400 at 14 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
Costacciaro PG 4 1216 1216
Scheggia e Pascelupo PG 6 1393 2609
Sigillo PG 6 2404 5013
Fossato di Vico PG 10 2840 7853
Sassoferrato AN 11 7285 15138
Serra Sant'Abbondio PU 12 1027 16165
Cantiano PU 13 2245 18410
Gubbio PG 13 32216 50626
Frontone PU 14 1300 51926
Fabriano AN 15 31480 83406
Genga AN 17 1797 85203
Gualdo Tadino PG 18 15208 100411
Cagli PU 19 8731 109142

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km NE of Perugia (166134 inhabitants)
48 Km N of Foligno (57155 inhabitants)
56 Km SW of Fano (60888 inhabitants)
60 Km S of Pesaro (94582 inhabitants)
68 Km W of Ancona (100861 inhabitants)
70 Km E of Arezzo (99543 inhabitants)
76 Km S of Rimini (147750 inhabitants)
92 Km N of Terni (111501 inhabitants)
92 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 1.1 2020-08-03
00:29:28		 43.3875 12.7397 14 2020-08-03
00:36:14		 Sala Sismica INGV-Roma 81595381
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-08-03 00:29:28 ± 0.08
Latitude 43.3875 ± 0.0045
Longitude 12.7397 ± 0.0074
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 81595381

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 640
Semi-minor axis of confidence ellipse (meter) 208
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 113
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) 78
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.44966
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 15
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 28
Type of magnitude ML
Reference to an origin 81595381
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-08-03 00:36:14
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EL6.EHZ. 2020-08-03T00:29:39.69 3.0 undecidable manual S 0.39 0
IV.NARO.HHZ. 2020-08-03T00:29:38.71 0.6 undecidable manual S 333 27.8499 99 0.02 48
IV.CSP1.EHZ. 2020-08-03T00:29:38.24 0.1 undecidable manual P 131 49.9167 94 0.39 85
IV.ATCC.EHZ. 2020-08-03T00:29:37.83 0.6 undecidable manual S 200 23.8539 103 0.2 47
IV.FDMO.HHZ. 2020-08-03T00:29:37.18 0.3 undecidable manual P 144 48.0186 94 -0.38 67
IV.PIEI.HHZ. 2020-08-03T00:29:37.63 0.6 undecidable manual S 315 23.2545 103 0.15 49
IV.MURB.HHZ. 2020-08-03T00:29:37.57 0.6 undecidable manual S 232 22.1556 104 0.37 46
IV.ARVD.HHZ. 2020-08-03T00:29:36.57 0.6 undecidable manual S 53 20.3685 107 -0.16 49
IV.COR1.EHZ. 2020-08-03T00:29:36.11 0.3 undecidable manual P 38 34.2435 97 0.66 60
IV.ATFO.HHZ. 2020-08-03T00:29:35.16 0.6 undecidable manual S 260 13.7751 121 0.05 50
IV.FRON.EHZ. 2020-08-03T00:29:35.20 0.6 undecidable manual S 356 14.4744 119 -0.08 49
IV.ASSB.HHZ. 2020-08-03T00:29:35.78 0.1 undecidable manual P 190 38.8278 96 -0.37 90
IV.ATVO.HHZ. 2020-08-03T00:29:34.43 0.1 undecidable manual P 269 26.8509 100 0.11 97
IV.ATPI.EHZ. 2020-08-03T00:29:34.56 0.3 undecidable manual P 285 28.0497 99 0.05 73
IV.MPAG.EHZ. 2020-08-03T00:29:34.45 0.1 undecidable manual P 3 26.8509 100 0.13 96
IV.NARO.HHZ. 2020-08-03T00:29:34.27 0.1 undecidable manual P 333 27.8499 99 -0.21 93
IV.PIEI.HHZ. 2020-08-03T00:29:33.70 0.1 undecidable manual P 315 23.2545 103 -0.08 96
IV.MURB.HHZ. 2020-08-03T00:29:33.64 0.1 undecidable manual P 232 22.1556 104 0.02 99
IV.ATCC.EHZ. 2020-08-03T00:29:33.78 0.1 undecidable manual P 200 23.8539 103 -0.09 97
IV.SSFR.HHZ. 2020-08-03T00:29:33.67 0.6 undecidable manual S 32 6.3936 148 -0.04 50
IV.ARVD.HHZ. 2020-08-03T00:29:33.21 0.1 undecidable manual P 53 20.3685 107 -0.14 97
IV.FRON.EHZ. 2020-08-03T00:29:32.38 0.1 undecidable manual P 356 14.4744 119 -0.13 97
IV.ATFO.HHZ. 2020-08-03T00:29:32.46 0.1 undecidable manual P 260 13.7751 121 0.05 100
IV.SSFR.HHZ. 2020-08-03T00:29:31.51 0.1 undecidable manual P 32 6.3936 148 -0.1 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SSFR.HHE. ML:1.3 0.0002405 1.22 AML other m 2020-08-03T00:29:34.29
IV.SSFR.HNE. ML:1.7 0.000576 0.42 AML other m 2020-08-03T00:29:34.30
IV.SSFR.HHN. ML:1.2 0.00021 0.22 AML other m 2020-08-03T00:29:34.46
IV.SSFR.HNN. ML:1.7 0.000676 0.14 AML other m 2020-08-03T00:29:34.28
IV.ATFO.HHN. ML:0.9 0.0000733 0.52 AML other m 2020-08-03T00:29:35.29
IV.ATFO.HHE. ML:1.0 0.0000964 0.22 AML other m 2020-08-03T00:29:35.42
IV.FRON.EHN. ML:1.3 0.000177 0.82 AML other m 2020-08-03T00:29:35.91
IV.FRON.EHE. ML:1.3 0.00016849999999999998 0.44 AML other m 2020-08-03T00:29:35.32
IV.ARVD.HHN. ML:0.9 0.0000479 0.14 AML other m 2020-08-03T00:29:36.91
IV.ARVD.HHE. ML:1.0 0.0000761 1.28 AML other m 2020-08-03T00:29:37.76
IV.PIEI.HHN. ML:1.0 0.000060899999999999996 0.2 AML other m 2020-08-03T00:29:37.55
IV.PIEI.HHE. ML:1.0 0.00006235 1.24 AML other m 2020-08-03T00:29:38.01
IV.MURB.HHN. ML:1.7 0.00030649999999999997 0.24 AML other m 2020-08-03T00:29:38.18
IV.ATCC.EHN. ML:1.5 0.0001875 0.16 AML other m 2020-08-03T00:29:38.23
IV.ATCC.EHE. ML:1.4 0.000155 0.22 AML other m 2020-08-03T00:29:38.13
IV.MURB.HHE. ML:1.7 0.0003275 0.22 AML other m 2020-08-03T00:29:38.33
IV.ATVO.HHN. ML:0.9 0.000039 0.28 AML other m 2020-08-03T00:29:38.83
IV.ATVO.HHE. ML:1.0 0.0000569 1.42 AML other m 2020-08-03T00:29:38.77
IV.MPAG.EHN. ML:0.8 0.000034750000000000004 0.14 AML other m 2020-08-03T00:29:38.80
IV.MPAG.EHE. ML:1.1 0.000058099999999999996 0.08 AML other m 2020-08-03T00:29:38.84
IV.NARO.HHN. ML:0.9 0.000037749999999999996 0.06 AML other m 2020-08-03T00:29:39.40
IV.NARO.HHE. ML:1.0 0.000053150000000000004 0.2 AML other m 2020-08-03T00:29:39.33
IV.ATPI.EHN. ML:0.7 0.000025550000000000004 0.24 AML other m 2020-08-03T00:29:39.62
IV.ATPI.EHE. ML:0.8 0.0000312 0.4 AML other m 2020-08-03T00:29:39.76
IV.ASSB.HHN. ML:1.1 0.000041099999999999996 0.76 AML other m 2020-08-03T00:29:42.95
IV.ASSB.HHE. ML:1.0 0.00003575 0.86 AML other m 2020-08-03T00:29:43.43
IV.FDMO.HHN. ML:0.9 0.00002045 1.58 AML other m 2020-08-03T00:29:45.01
IV.FDMO.HHE. ML:0.9 0.00001855 1.58 AML other m 2020-08-03T00:29:45.07
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