Earthquake with magnitude of ML 0.6 on date 21-05-2023 and time 08:51:04 (UTC) in region 2 km W Fiastra (MC)

A magnitude ML 0.6 earthquake occured in region: 2 km W Fiastra (MC), on

  • 21-05-2023 08:51:04 (UTC)
  • 21-05-2023 10:51:04 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0450, 13.1290 at 10 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)
61 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 0.6 2023-05-21
08:51:04
43.0452 13.1287 10 2023-05-21
09:02:42
Sala Sismica INGV-Roma 117547031
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-21 08:51:04 ± 0.09
Latitude 43.0452 ± 0.0054
Longitude 13.1287 ± 0.0049
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 117547031

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 431
Semi-minor axis of confidence ellipse (meter) 388
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 21
Circular confidence region, given by single value of horizontal uncertainty (meter) 430.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 86
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.34354
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 11
Magnitude information

ML:0.6

Field Value
Value 0.6
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 117547031
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-21 09:02:42
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MGAB.HHZ. 2023-05-21T08:51:34.78 3.0 undecidable manual S 1.11 0
IV.ASSB.HHZ. 2023-05-21T08:51:17.11 0.3 undecidable manual S 270 38.1285 50 -0.09 70
IV.MF5.EHZ. 2023-05-21T08:51:14.76 0.3 undecidable manual S 103 27.5502 109 0.37 67
7F.SIB3.EHE. 2023-05-21T08:51:12.16 0.6 undecidable manual S 149 22.0668 114 -0.45 44
IV.MMO1.EHZ. 2023-05-21T08:51:12.11 0.6 undecidable manual S 135 22.755 113 -0.73 40
IV.ASSB.HHZ. 2023-05-21T08:51:11.46 0.1 undecidable manual P 270 38.1285 50 -0.27 90
IV.CESI.HHZ. 2023-05-21T08:51:11.59 0.3 undecidable manual S 256 18.6702 117 0.04 73
IV.MF5.EHZ. 2023-05-21T08:51:10.24 0.1 undecidable manual P 103 27.5502 109 0.13 94
IV.MML1.EHZ. 2023-05-21T08:51:10.42 0.6 undecidable manual S 301 14.7741 123 0.04 49
IV.MMO1.EHZ. 2023-05-21T08:51:09.22 0.3 undecidable manual P 135 22.755 113 0.01 73
IV.FEMA.HNE. 2023-05-21T08:51:09.59 0.6 undecidable manual S 215 11.1777 131 0.21 47
7F.SIB3.EHE. 2023-05-21T08:51:09.79 0.6 undecidable manual P 149 22.0668 114 0.71 40
IV.NRCA.HNE. 2023-05-21T08:51:09.25 0.3 undecidable manual P 183 23.4543 112 -0.09 72
IV.CSP1.EHZ. 2023-05-21T08:51:08.39 0.3 undecidable manual S 50 8.0808 140 -0.22 72
IV.CESI.HHZ. 2023-05-21T08:51:08.52 0.1 undecidable manual P 256 18.6702 117 0.05 97
IV.PF6.EHE. 2023-05-21T08:51:07.20 0.1 undecidable manual P 27 11.5773 130 -0.07 98
IV.FDMO.HHZ. 2023-05-21T08:51:07.49 0.3 undecidable manual S 254 3.4965 160 -0.31 71
IV.MML1.EHZ. 2023-05-21T08:51:07.97 0.1 undecidable manual P 301 14.7741 123 0.18 95
IV.FEMA.HNE. 2023-05-21T08:51:07.50 0.1 undecidable manual P 215 11.1777 131 0.29 93
IV.CSP1.EHZ. 2023-05-21T08:51:06.80 0.1 positive manual P 50 8.0808 140 0.03 99
IV.FDMO.HHZ. 2023-05-21T08:51:06.28 0.1 undecidable manual P 254 3.4965 160 -0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:0.9 0.00013509474999999998 0.1216 AML other m 2023-05-21T08:51:07.52
IV.FDMO.HHN. ML:1.0 0.000193862565 0.0832 AML other m 2023-05-21T08:51:07.59
IV.CESI.HHE. ML:0.3 0.000014538718999999999 0.16 AML other m 2023-05-21T08:51:12.90
IV.CESI.HHN. ML:0.5 0.000023177153 0.1792 AML other m 2023-05-21T08:51:13.85
IV.ASSB.HHE. ML:0.4 0.0000080766065 0.2816 AML other m 2023-05-21T08:51:17.47
IV.ASSB.HHN. ML:0.4 0.000009323300999999999 0.4992 AML other m 2023-05-21T08:51:17.71
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