Earthquake with magnitude of ML 0.8 on date 03-05-2023 and time 13:49:21 (Italy) in region 3 km W Fiastra (MC)

A magnitude ML 0.8 earthquake occured in region: 3 km W Fiastra (MC), on

  • 03-05-2023 11:49:21 (UTC)
  • 03-05-2023 13:49:21 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0450, 13.1270 at 8 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Fiastra MC 3 559 559
Fiordimonte MC 3 202 761
Pievebovigliana MC 4 866 1627
Acquacanina MC 4 121 1748
Pieve Torina MC 6 1458 3206
Muccia MC 8 915 4121
Bolognola MC 10 142 4263
Camerino MC 11 6974 11237
Ussita MC 11 444 11681
Monte Cavallo MC 12 145 11826
Cessapalombo MC 13 512 12338
Visso MC 13 1107 13445
Caldarola MC 13 1823 15268
Sarnano MC 14 3264 18532
Serravalle di Chienti MC 15 1070 19602
Camporotondo di Fiastrone MC 15 563 20165
Serrapetrona MC 16 966 21131
Belforte del Chienti MC 16 1886 23017
Castelsantangelo sul Nera MC 17 281 23298
San Ginesio MC 17 3498 26796
Gualdo MC 17 815 27611
Sefro MC 18 422 28033
Pioraco MC 19 1134 29167
Castelraimondo MC 19 4587 33754
Preci PG 20 724 34478
Amandola FM 20 3629 38107

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km E of Foligno (57155 inhabitants)
60 Km E of Perugia (166134 inhabitants)
64 Km NW of Teramo (54892 inhabitants)
67 Km NE of Terni (111501 inhabitants)
71 Km SW of Ancona (100861 inhabitants)
80 Km N of L'Aquila (69753 inhabitants)
89 Km S of Fano (60888 inhabitants)
98 Km S of Pesaro (94582 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 0.8 2023-05-03
11:49:21
43.045 13.1272 8 2023-05-03
11:59:13
Sala Sismica INGV-Roma 116985641
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-03 11:49:21 ± 0.14
Latitude 43.0450 ± 0.0045
Longitude 13.1272 ± 0.0037
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 116985641

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 409
Semi-minor axis of confidence ellipse (meter) 223
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 180
Circular confidence region, given by single value of horizontal uncertainty (meter) 410.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 87
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
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) 0.03058
Epicentral distance of station farthest from the epicenter (degree) 0.21134
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 116985641
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-03 11:59:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
7F.SIB2.EHE. 2023-05-03T11:49:28.89 0.6 undecidable manual S 140 22.2555 109 -0.57 43
IV.CESI.HHZ. 2023-05-03T11:49:28.32 0.6 undecidable manual S 256 18.5703 113 0.06 49
IV.MML1.EHZ. 2023-05-03T11:49:27.00 0.6 undecidable manual S 301 14.6742 118 -0.04 49
IV.GUMA.HHZ. 2023-05-03T11:49:27.95 0.6 undecidable manual S 83 16.9719 115 0.2 47
IV.NRCA.HNE. 2023-05-03T11:49:26.09 0.6 undecidable manual P 183 23.4543 108 -0.13 48
IV.PF6.EHE. 2023-05-03T11:49:26.02 0.6 undecidable manual S 28 11.6772 124 -0.11 49
7F.SIB2.EHE. 2023-05-03T11:49:26.56 0.3 undecidable manual P 140 22.2555 109 0.56 65
IV.CSP1.EHZ. 2023-05-03T11:49:25.25 0.6 undecidable manual S 50 8.1807 134 0.07 50
7F.SIB3.EHE. 2023-05-03T11:49:25.91 0.1 undecidable manual P 148 22.1556 109 -0.05 97
IV.CESI.HHZ. 2023-05-03T11:49:25.28 0.1 undecidable manual P 256 18.5703 113 -0.02 98
IV.MML1.EHZ. 2023-05-03T11:49:24.59 0.1 undecidable manual P 301 14.6742 118 -0.01 99
IV.FDMO.HHN. 2023-05-03T11:49:24.23 0.6 undecidable manual S 254 3.3966 157 0.02 50
IV.GUMA.HHZ. 2023-05-03T11:49:24.93 0.6 undecidable manual P 83 16.9719 115 -0.08 49
IV.FDMO.HHN. 2023-05-03T11:49:23.03 0.1 undecidable manual P 254 3.3966 157 0.06 100
IV.CSP1.EHZ. 2023-05-03T11:49:23.56 0.1 positive manual P 50 8.1807 134 0.03 100
IV.PF6.EHE. 2023-05-03T11:49:23.94 0.1 undecidable manual P 28 11.6772 124 -0.13 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MML1.EHN. ML:0.5 0.0000275386715 0.3584 AML other m 2023-05-03T11:49:27.36
IV.MML1.EHE. ML:0.3 0.000021090945 1.1008 AML other m 2023-05-03T11:49:24.56
IV.CSP1.EHE. ML:0.8 0.000115001035 0.2624 AML other m 2023-05-03T11:49:26.24
IV.CSP1.EHN. ML:0.8 0.0001008728 0.224 AML other m 2023-05-03T11:49:25.41
IV.MML1.HNE. ML:1.1 0.00013448556 0.9728 AML other m 2023-05-03T11:49:26.93
IV.MML1.HNN. ML:1.1 0.00013103337 0.7424 AML other m 2023-05-03T11:49:27.75
IV.CESI.HNE. ML:1.0 0.00007901154 0.6784 AML other m 2023-05-03T11:49:33.92
IV.CESI.HNN. ML:1.2 0.00014182527 1.0112 AML other m 2023-05-03T11:49:26.51
IV.CESI.HHE. ML:0.5 0.00002688454 1.1008 AML other m 2023-05-03T11:49:26.71
IV.CESI.HHN. ML:0.2 0.00001606327 0.4608 AML other m 2023-05-03T11:49:32.41
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download