Earthquake with magnitude of ML 0.4 on date 11-10-2023 and time 06:04:22 (UTC) in region 5 km SW Fiastra (MC)

A magnitude ML 0.4 earthquake occured in region: 5 km SW Fiastra (MC), on

  • 11-10-2023 06:04:22 (UTC)
  • 11-10-2023 08:04:22 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9970, 13.1330 at 9 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 5 559 559
Acquacanina MC 5 121 680
Fiordimonte MC 6 202 882
Ussita MC 6 444 1326
Bolognola MC 8 142 1468
Visso MC 8 1107 2575
Pievebovigliana MC 8 866 3441
Pieve Torina MC 9 1458 4899
Monte Cavallo MC 11 145 5044
Castelsantangelo sul Nera MC 12 281 5325
Muccia MC 12 915 6240
Sarnano MC 14 3264 9504
Preci PG 15 724 10228
Cessapalombo MC 16 512 10740
Camerino MC 16 6974 17714
Serravalle di Chienti MC 17 1070 18784
Caldarola MC 18 1823 20607
Montefortino FM 18 1178 21785
Amandola FM 18 3629 25414
Camporotondo di Fiastrone MC 19 563 25977
Gualdo MC 19 815 26792
Montemonaco AP 19 604 27396
San Ginesio MC 20 3498 30894

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km E of Foligno (57155 inhabitants)
60 Km NW of Teramo (54892 inhabitants)
62 Km E of Perugia (166134 inhabitants)
63 Km NE of Terni (111501 inhabitants)
75 Km N of L'Aquila (69753 inhabitants)
76 Km SW of Ancona (100861 inhabitants)
95 Km S of Fano (60888 inhabitants)
99 Km NW of Montesilvano (53738 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 0.4 2023-10-11
06:04:22
42.9973 13.1333 9 2023-10-11
06:23:53
Sala Sismica INGV-Roma 121979651
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-10-11 06:04:22 ± 0.19
Latitude 42.9973 ± 0.0036
Longitude 13.1333 ± 0.0061
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 121979651

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 550
Semi-minor axis of confidence ellipse (meter) 134
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 248
Circular confidence region, given by single value of horizontal uncertainty (meter) 550.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 96
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 14
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) 0.17177
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 8
Magnitude information

ML:0.4

Field Value
Value 0.4
Uncertainty 0.2
Num. used stations 2
Type of magnitude ML
Reference to an origin 121979651
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-10-11 06:23:53
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
7C.SPAOL.HNZ. 2023-10-11T06:06:02.15 3.0 negative manual Pg 26.120001 0
IV.LINA.HHZ. 2023-10-11T06:05:59.89 3.0 negative manual Pn 5.19 0
IV.MCRV.HHZ. 2023-10-11T06:05:58.12 3.0 undecidable manual Sg 18.709999 0
IV.MRB1.HHZ. 2023-10-11T06:05:51.66 3.0 undecidable manual Sg 20.700001 0
IV.SGO.HHZ. 2023-10-11T06:05:49.33 3.0 undecidable manual Sn 4.26 0
IV.SERS.HHZ. 2023-10-11T06:05:43.31 3.0 undecidable manual Pg 18.360001 0
IT.LNT.HGZ. 2023-10-11T06:05:39.99 3.0 undecidable manual Pn 0.78 0
IV.SALB.HHZ. 2023-10-11T06:05:29.26 3.0 positive manual Pg 15.64 0
IV.MGR.HNZ. 2023-10-11T06:05:06.18 3.0 undecidable manual Pn -0.05 0
IV.MCRV.HHZ. 2023-10-11T06:04:55.07 3.0 undecidable manual Pn -1.94 0
OX.CIMO.HHZ. 2023-10-11T06:04:53.82 3.0 positive manual Pg 8.12 0
SI.BOSI.HHZ. 2023-10-11T06:04:53.66 3.0 positive manual Pg 4.08 0
IV.SRES.HHZ. 2023-10-11T06:04:32.23 3.0 undecidable manual Pn 0.33 0
IV.TRIF.CHZ. 2023-10-11T06:04:32.64 3.0 negative manual Pg 2.21 0
IV.MMO1.EHZ. 2023-10-11T06:04:30.08 0.1 undecidable manual S 125 19.0698 116 -0.04 99
7F.SIB2.EHE. 2023-10-11T06:04:29.68 0.3 undecidable manual S 130 18.1707 117 -0.16 72
IV.NRCA.HHZ. 2023-10-11T06:04:29.75 0.1 undecidable manual S 185 18.2706 117 -0.11 98
IV.CSP1.EHZ. 2023-10-11T06:04:28.11 0.1 undecidable manual S 29 11.9769 128 0.09 99
IV.MC2.EHE. 2023-10-11T06:04:28.01 0.3 undecidable manual S 155 10.5783 132 0.37 70
IV.MMO1.EHZ. 2023-10-11T06:04:27.09 0.1 undecidable manual P 125 19.0698 116 0.09 98
IV.CESI.HNN. 2023-10-11T06:04:27.04 0.6 undecidable manual P 273 18.5703 117 0.13 49
7F.SIB2.EHE. 2023-10-11T06:04:26.21 0.6 undecidable manual P 130 18.1707 117 -0.62 43
IV.MML1.HNN. 2023-10-11T06:04:26.92 0.6 undecidable manual P 315 18.3705 117 0.05 49
IV.NRCA.HHZ. 2023-10-11T06:04:26.78 0.1 undecidable manual P 185 18.2706 117 -0.07 98
IV.FDMO.HHZ. 2023-10-11T06:04:26.33 0.1 undecidable manual S 319 5.6943 149 -0.23 97
IV.FDMO.HHZ. 2023-10-11T06:04:25.04 0.1 undecidable manual P 319 5.6943 149 0.1 100
IV.MC2.EHE. 2023-10-11T06:04:25.89 0.3 undecidable manual P 155 10.5783 132 0.32 71
IV.CSP1.EHZ. 2023-10-11T06:04:25.74 0.1 undecidable manual P 29 11.9769 128 -0.04 100
IV.SFI.EHZ. 2023-10-11T06:04:21.05 3.0 negative manual P -3.21 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:0.3 0.000034699999999999996 0.18 AML other m 2023-10-11T06:04:26.41
IV.FDMO.HHN. ML:0.6 0.000060549999999999995 0.18 AML other m 2023-10-11T06:04:26.70
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