Earthquake with magnitude of ML 0.9 on date 14-08-2023 and time 20:56:20 (Italy) in region 1 km S Fiordimonte (MC)

A magnitude ML 0.9 earthquake occured in region: 1 km S Fiordimonte (MC), on

  • 14-08-2023 18:56:20 (UTC)
  • 14-08-2023 20:56:20 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0310, 13.0880 at 5 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
Fiordimonte MC 1 202 202
Pieve Torina MC 3 1458 1660
Pievebovigliana MC 4 866 2526
Fiastra MC 6 559 3085
Muccia MC 7 915 4000
Acquacanina MC 7 121 4121
Monte Cavallo MC 8 145 4266
Ussita MC 10 444 4710
Visso MC 11 1107 5817
Camerino MC 12 6974 12791
Serravalle di Chienti MC 12 1070 13861
Bolognola MC 12 142 14003
Castelsantangelo sul Nera MC 16 281 14284
Cessapalombo MC 16 512 14796
Caldarola MC 17 1823 16619
Sefro MC 17 422 17041
Preci PG 17 724 17765
Sarnano MC 17 3264 21029
Serrapetrona MC 18 966 21995
Camporotondo di Fiastrone MC 18 563 22558
Pioraco MC 19 1134 23692
Belforte del Chienti MC 19 1886 25578

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km E of Foligno (57155 inhabitants)
57 Km E of Perugia (166134 inhabitants)
63 Km NE of Terni (111501 inhabitants)
65 Km NW of Teramo (54892 inhabitants)
74 Km SW of Ancona (100861 inhabitants)
80 Km NW of L'Aquila (69753 inhabitants)
91 Km S of Fano (60888 inhabitants)
99 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 0.9 2023-08-14
18:56:20
43.0312 13.0883 5 2023-08-14
19:03:30
Sala Sismica INGV-Roma 120126781
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-08-14 18:56:20 ± 0.1
Latitude 43.0312 ± 0.0027
Longitude 13.0883 ± 0.0049
Depth (km) 5 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 120126781

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 399
Semi-minor axis of confidence ellipse (meter) 57
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 91
Circular confidence region, given by single value of horizontal uncertainty (meter) 400.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 49
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.00540
Epicentral distance of station farthest from the epicenter (degree) 0.36153
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 120126781
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-08-14 19:03:30
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SNTG.HHZ. 2023-08-14T18:56:30.69 0.6 undecidable manual S 334 27.5502 100 -0.01 49
IV.ATCC.EHZ. 2023-08-14T18:56:28.69 1.0 undecidable manual P 295 40.1265 97 -0.4 22
IV.NRCA.HHZ. 2023-08-14T18:56:28.75 0.6 undecidable manual S 174 22.0668 103 -0.07 49
IV.ASSB.HHZ. 2023-08-14T18:56:27.50 0.6 undecidable manual P 272 34.8429 98 -0.54 43
IV.MF5.EHZ. 2023-08-14T18:56:27.21 0.1 undecidable manual P 99 30.5472 99 0.03 97
IV.MC2.EHE. 2023-08-14T18:56:26.91 0.6 undecidable manual S 148 15.5733 108 0.24 48
IV.PF6.EHZ. 2023-08-14T18:56:26.52 0.6 undecidable manual S 36 14.5743 109 0.18 48
IV.SNTG.HHZ. 2023-08-14T18:56:26.18 0.3 undecidable manual P 334 27.5502 100 -0.41 68
IV.MML1.EHZ. 2023-08-14T18:56:26.32 0.3 undecidable manual S 314 13.1757 111 0.46 69
IV.NRCA.HHZ. 2023-08-14T18:56:25.23 0.3 positive manual P 174 22.0668 103 -0.28 70
IV.CSP1.EHZ. 2023-08-14T18:56:25.59 0.3 undecidable manual S 55 11.5773 113 0.23 72
IV.MC2.EHE. 2023-08-14T18:56:24.24 0.1 undecidable manual P 148 15.5733 108 -0.03 100
IT.MTCL.HGE. 2023-08-14T18:56:24.67 0.6 undecidable manual S 240 8.2806 121 0.32 48
IV.PF6.EHZ. 2023-08-14T18:56:24.05 0.1 undecidable manual P 36 14.5743 109 -0.03 100
IV.FEMA.HNE. 2023-08-14T18:56:24.65 0.6 undecidable manual S 202 8.2806 121 0.31 48
IV.MML1.EHZ. 2023-08-14T18:56:23.95 0.1 undecidable manual P 314 13.1757 111 0.15 98
IV.FEMA.HNE. 2023-08-14T18:56:23.03 0.1 undecidable manual P 202 8.2806 121 0.11 99
IV.CSP1.EHZ. 2023-08-14T18:56:23.56 0.3 negative manual P 55 11.5773 113 0.05 75
IT.MTCL.HGE. 2023-08-14T18:56:23.01 0.1 undecidable manual P 240 8.2806 121 0.08 100
IV.FDMO.HHZ. 2023-08-14T18:56:22.36 0.3 undecidable manual S 352 0.5994 173 -0.37 71
IV.FDMO.HHZ. 2023-08-14T18:56:21.76 0.1 undecidable manual P 352 0.5994 173 -0.24 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CSP1.EHN. ML:1.3 0.00031222345 0.2688 AML other m 2023-08-14T18:56:25.81
IV.CSP1.EHE. ML:1.3 0.0003071244 0.1792 AML other m 2023-08-14T18:56:26.62
IV.MML1.EHE. ML:0.4 0.000030975445 0.1024 AML other m 2023-08-14T18:56:26.73
IV.MML1.EHN. ML:0.6 0.00005237491500000001 0.1152 AML other m 2023-08-14T18:56:26.76
IV.NRCA.HHE. ML:1.2 0.000125 0.18 AML other m 2023-08-14T18:56:29.26
IV.NRCA.HHN. ML:1.2 0.000114 0.14 AML other m 2023-08-14T18:56:30.44
IV.SNTG.HHE. ML:0.6 0.0000246 0.58 AML other m 2023-08-14T18:56:31.32
IV.SNTG.HHN. ML:0.7 0.0000277 0.16 AML other m 2023-08-14T18:56:31.36
IV.ASSB.HHN. ML:1.0 0.000037900000000000006 0.46 AML other m 2023-08-14T18:56:33.20
IV.ATCC.EHE. ML:1.1 0.000045249999999999995 0.3 AML other m 2023-08-14T18:56:35.36
IV.ATCC.EHN. ML:0.8 0.00002155 0.74 AML other m 2023-08-14T18:56:36.19
IV.ASSB.HHE. ML:0.7 0.000019799999999999997 0.28 AML other m 2023-08-14T18:56:36.54
IV.FDMO.HHE. ML:0.0 0.00086657025 0.0896 AML other m 2023-08-14T18:56:22.17
IV.FDMO.HHN. ML:0.0 0.001986471 0.1152 AML other m 2023-08-14T18:56:22.38
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