Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.3 on date 03-08-2022 and time 04:18:00 (Italy) in region 3 km W Apecchio (PU)

A magnitude ML 0.3 earthquake occured in region: 3 km W Apecchio (PU), on

  • 03-08-2022 02:18:00 (UTC)
  • 03-08-2022 04:18:00 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.5470, 12.3870 at 6 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
Apecchio PU 3 1882 1882
Piobbico PU 11 2029 3911
Mercatello sul Metauro PU 12 1378 5289
Pietralunga PG 12 2111 7400
Sant'Angelo in Vado PU 13 4133 11533
Borgo Pace PU 15 606 12139
Città di Castello PG 16 39913 52052
San Giustino PG 17 11297 63349
Urbania PU 18 7099 70448
Peglio PU 19 696 71144
Belforte all'Isauro PU 19 769 71913
Sestino AR 19 1355 73268
Sansepolcro AR 20 15884 89152
Piandimeleto PU 20 2167 91319

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km E of Arezzo (99543 inhabitants)
49 Km N of Perugia (166134 inhabitants)
59 Km SW of Pesaro (94582 inhabitants)
59 Km S of Rimini (147750 inhabitants)
61 Km SW of Fano (60888 inhabitants)
67 Km S of Cesena (96758 inhabitants)
71 Km NW of Foligno (57155 inhabitants)
80 Km SE of Forlì (117913 inhabitants)
89 Km E of Siena (53903 inhabitants)
92 Km W of Ancona (100861 inhabitants)
92 Km SE of Faenza (58541 inhabitants)
94 Km E of Firenze (382808 inhabitants)
98 Km S of Ravenna (159116 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 0.3 2022-08-03
02:18:00		 43.5472 12.3872 6 2022-08-03
02:34:14		 Sala Sismica INGV-Roma 108043441
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-08-03 02:18:00 ± 0.07
Latitude 43.5472 ± 0.0018
Longitude 12.3872 ± 0.0025
Depth (km) 6 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 108043441

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 249
Semi-minor axis of confidence ellipse (meter) 56
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 139
Circular confidence region, given by single value of horizontal uncertainty (meter) 250.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 175
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.09
Epicentral distance of station closest to the epicenter (degree) 0.02608
Epicentral distance of station farthest from the epicenter (degree) 0.16548
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.3

Field Value
Value 0.3
Uncertainty 0.1
Num. used stations 6
Type of magnitude ML
Reference to an origin 108043441
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-08-03 02:34:14
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NARO.HHZ. 2022-08-03T02:18:07.24 0.6 undecidable manual S 66 17.0718 111 -0.01 49
IV.ATVO.HHZ. 2022-08-03T02:18:07.64 0.3 undecidable manual S 175 18.3705 109 -0.03 73
IV.BADI.EHZ. 2022-08-03T02:18:05.82 0.6 undecidable manual S 250 12.1767 118 0.12 48
IV.ATPI.EHZ. 2022-08-03T02:18:05.24 0.1 undecidable manual S 173 10.7781 121 -0.03 98
IV.PIEI.HHZ. 2022-08-03T02:18:05.80 0.1 undecidable manual S 96 11.9769 118 0.17 95
IV.ATVO.HHZ. 2022-08-03T02:18:04.84 0.1 undecidable manual P 175 18.3705 109 0.02 97
IV.NARO.HHZ. 2022-08-03T02:18:04.47 0.1 undecidable manual P 66 17.0718 111 -0.1 96
IV.ATPI.EHZ. 2022-08-03T02:18:03.34 0.1 undecidable manual P 173 10.7781 121 -0.09 97
IV.PIEI.HHZ. 2022-08-03T02:18:03.64 0.1 undecidable manual P 96 11.9769 118 0 98
IV.APEC.HHZ. 2022-08-03T02:18:03.30 0.1 undecidable manual S 65 2.8971 156 -0.06 99
IV.BADI.EHZ. 2022-08-03T02:18:03.72 0.1 undecidable manual P 250 12.1767 118 0.04 98
IV.APEC.HHZ. 2022-08-03T02:18:02.33 0.1 undecidable manual P 65 2.8971 156 0 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BADI.EHN. ML:0.3 0.000024 0.7 AML other m 2022-08-03T02:18:05.93
IV.PIEI.HHN. ML:0.2 0.0000177 0.14 AML other m 2022-08-03T02:18:06.13
IV.PIEI.HHE. ML:0.0 0.000016649999999999998 0.18 AML other m 2022-08-03T02:18:06.19
IV.BADI.EHE. ML:0.3 0.000022800000000000002 0.9 AML other m 2022-08-03T02:18:06.34
IV.NARO.HHN. ML:0.4 0.0000226 0.48 AML other m 2022-08-03T02:18:07.79
IV.NARO.HHE. ML:0.3 0.0000176 0.2 AML other m 2022-08-03T02:18:07.91
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