Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 04-09-2023 and time 23:01:29 (Italy) in region 3 km W Muccia (MC)

A magnitude ML 1.2 earthquake occured in region: 3 km W Muccia (MC), on

  • 04-09-2023 21:01:29 (UTC)
  • 04-09-2023 23:01:29 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0890, 13.0050 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.

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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
Muccia MC 3 915 915
Serravalle di Chienti MC 5 1070 1985
Pieve Torina MC 6 1458 3443
Pievebovigliana MC 7 866 4309
Camerino MC 7 6974 11283
Sefro MC 8 422 11705
Fiordimonte MC 9 202 11907
Pioraco MC 10 1134 13041
Monte Cavallo MC 11 145 13186
Fiuminata MC 13 1402 14588
Fiastra MC 14 559 15147
Castelraimondo MC 14 4587 19734
Acquacanina MC 15 121 19855
Nocera Umbra PG 18 5839 25694
Gagliole MC 18 620 26314
Serrapetrona MC 18 966 27280
Matelica MC 19 9981 37261
Esanatoglia MC 19 2034 39295
Visso MC 19 1107 40402
Caldarola MC 19 1823 42225
Ussita MC 19 444 42669

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km NE of Foligno (57155 inhabitants)
50 Km E of Perugia (166134 inhabitants)
66 Km NE of Terni (111501 inhabitants)
72 Km SW of Ancona (100861 inhabitants)
74 Km NW of Teramo (54892 inhabitants)
84 Km S of Fano (60888 inhabitants)
88 Km NW of L'Aquila (69753 inhabitants)
92 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 1.2 2023-09-04
21:01:29		 43.0893 13.0047 10 2023-09-04
21:06:59		 Sala Sismica INGV-Roma 120758511
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-09-04 21:01:29 ± 0.08
Latitude 43.0893 ± 0.0036
Longitude 13.0047 ± 0.0049
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 120758511

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 440
Semi-minor axis of confidence ellipse (meter) 388
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 234
Circular confidence region, given by single value of horizontal uncertainty (meter) 440.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 123
Number of associated phases, regardless of their use for origin computation 17
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.30217
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 120758511
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-09-04 21:06:59
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MMO1.EHZ. 2023-09-04T21:01:40.64 0.3 undecidable manual S 129 33.5442 50 -0.26 92
IV.NRCA.HHZ. 2023-09-04T21:01:39.62 0.6 undecidable manual S 163 29.748 50 -0.26 62
IV.GUMA.HHZ. 2023-09-04T21:01:39.49 0.3 undecidable manual S 96 26.9508 50 0.36 91
IV.SNTG.HHZ. 2023-09-04T21:01:36.47 0.3 undecidable manual S 344 19.0698 118 -0.24 95
IV.GUMA.HHZ. 2023-09-04T21:01:35.11 0.6 undecidable manual P 96 26.9508 50 0.16 63
IV.MMO1.EHZ. 2023-09-04T21:01:35.82 0.6 undecidable manual P 129 33.5442 50 -0.15 63
IV.NRCA.HHZ. 2023-09-04T21:01:35.28 0.6 positive manual P 163 29.748 50 -0.1 64
IV.ASSB.HHZ. 2023-09-04T21:01:35.04 3.0 undecidable manual S 0.01 0
IV.PF6.EHZ. 2023-09-04T21:01:35.74 0.6 undecidable manual S 71 16.2726 121 -0.12 65
IV.CSP1.EHZ. 2023-09-04T21:01:35.76 0.3 undecidable manual S 89 16.1727 122 -0.08 98
IV.CESI.HHZ. 2023-09-04T21:01:34.85 0.6 undecidable manual S 221 12.3765 129 0.1 66
IV.CSP1.EHZ. 2023-09-04T21:01:33.33 0.3 undecidable manual P 89 16.1727 122 0.28 94
IV.FDMO.HHZ. 2023-09-04T21:01:33.67 0.3 undecidable manual S 131 8.88 138 -0.2 97
IV.SNTG.HHZ. 2023-09-04T21:01:33.52 0.3 undecidable manual P 344 19.0698 118 -0.03 99
IV.PF6.EHZ. 2023-09-04T21:01:33.28 0.6 undecidable manual P 71 16.2726 121 0.22 64
IV.CESI.HHZ. 2023-09-04T21:01:32.67 0.3 undecidable manual P 221 12.3765 129 0.25 95
IV.FDMO.HHZ. 2023-09-04T21:01:31.97 0.3 undecidable manual P 131 8.88 138 0.06 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:1.2 0.00021100000000000003 0.18 AML other m 2023-09-04T21:01:33.81
IV.FDMO.HHN. ML:1.1 0.000182 0.16 AML other m 2023-09-04T21:01:33.82
IV.CSP1.EHE. ML:1.4 0.00021225224 0.2304 AML other m 2023-09-04T21:01:37.73
IV.CSP1.EHN. ML:1.5 0.00028989835000000003 0.1792 AML other m 2023-09-04T21:01:37.10
IV.NRCA.HHE. ML:1.0 0.000048272140000000004 0.1792 AML other m 2023-09-04T21:01:39.92
IV.NRCA.HHN. ML:1.0 0.00004341201 0.1152 AML other m 2023-09-04T21:01:42.38
IV.SNTG.HHE. ML:0.5 0.000027039197000000002 0.1024 AML other m 2023-09-04T21:01:37.15
IV.SNTG.HHN. ML:0.6 0.0000292892 0.1024 AML other m 2023-09-04T21:01:37.34
IV.SNTG.HNE. ML:1.2 0.00010765102999999999 0.5632 AML other m 2023-09-04T21:01:36.07
IV.SNTG.HNN. ML:1.1 0.000097635685 0.4864 AML other m 2023-09-04T21:01:42.55
IV.GUMA.HHE. ML:1.2 0.000096208025 0.7552 AML other m 2023-09-04T21:01:47.67
IV.GUMA.HHN. ML:1.4 0.00012800030000000002 0.1664 AML other m 2023-09-04T21:01:39.65
IV.GUMA.HNE. ML:1.5 0.0001837649 1.088 AML other m 2023-09-04T21:01:46.55
IV.GUMA.HNN. ML:1.5 0.00017403195 0.576 AML other m 2023-09-04T21:01:46.49
IV.NRCA.HNE. ML:1.4 0.000108707735 0.576 AML other m 2023-09-04T21:01:38.79
IV.NRCA.HNN. ML:1.5 0.00017029776000000003 0.9216 AML other m 2023-09-04T21:01:44.52
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