Earthquake with magnitude of ML 1.0 on date 09-08-2023 and time 11:20:34 (UTC) in region 1 km W Muccia (MC)

A magnitude ML 1.0 earthquake occured in region: 1 km W Muccia (MC), on

  • 09-08-2023 11:20:34 (UTC)
  • 09-08-2023 13:20:34 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0850, 13.0310 at 12 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
Muccia MC 1 915 915
Pieve Torina MC 5 1458 2373
Pievebovigliana MC 5 866 3239
Camerino MC 7 6974 10213
Serravalle di Chienti MC 7 1070 11283
Fiordimonte MC 7 202 11485
Sefro MC 10 422 11907
Monte Cavallo MC 10 145 12052
Pioraco MC 11 1134 13186
Fiastra MC 12 559 13745
Acquacanina MC 13 121 13866
Fiuminata MC 14 1402 15268
Castelraimondo MC 14 4587 19855
Serrapetrona MC 17 966 20821
Caldarola MC 17 1823 22644
Gagliole MC 18 620 23264
Visso MC 18 1107 24371
Ussita MC 18 444 24815
Cessapalombo MC 19 512 25327
Bolognola MC 19 142 25469
Belforte del Chienti MC 19 1886 27355
Matelica MC 19 9981 37336
Nocera Umbra PG 20 5839 43175
Esanatoglia MC 20 2034 45209
Camporotondo di Fiastrone MC 20 563 45772

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km E of Foligno (57155 inhabitants)
52 Km E of Perugia (166134 inhabitants)
66 Km NE of Terni (111501 inhabitants)
71 Km SW of Ancona (100861 inhabitants)
73 Km NW of Teramo (54892 inhabitants)
85 Km S of Fano (60888 inhabitants)
87 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 1.0 2023-08-09
11:20:34
43.0848 13.0312 12 2023-08-09
11:31:40
Sala Sismica INGV-Roma 119967511
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-08-09 11:20:34 ± 0.12
Latitude 43.0848 ± 0.0045
Longitude 13.0312 ± 0.0074
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 119967511

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 667
Semi-minor axis of confidence ellipse (meter) 90
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 58
Circular confidence region, given by single value of horizontal uncertainty (meter) 670.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 108
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 14
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.39480
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.1
Num. used stations 8
Type of magnitude ML
Reference to an origin 119967511
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-08-09 11:31:40
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SELL.HHZ. 2023-08-09T11:22:27.93 3.0 undecidable manual Sn -9.99 0
IV.GIB.HHZ. 2023-08-09T11:22:04.98 3.0 undecidable manual Pg 17.530001 0
IV.MRVN.HHZ. 2023-08-09T11:22:04.06 3.0 undecidable manual Sg 12.03 0
ST.PANI.EHZ. 2023-08-09T11:21:57.11 3.0 undecidable manual Sn -1.05 0
IV.SELL.HHZ. 2023-08-09T11:21:55.09 3.0 negative manual Pg 13.19 0
IV.SERS.HHZ. 2023-08-09T11:21:53.17 3.0 positive manual Pg 11.6 0
CH.FUORN.HHZ. 2023-08-09T11:21:31.17 3.0 undecidable manual Pn -0.06 0
IV.MAGA.HHZ. 2023-08-09T11:21:28.36 3.0 negative manual Pg 8.42 0
OX.CLUD.HHZ. 2023-08-09T11:21:21.80 3.0 positive manual Pn 2.26 0
IV.BAG8.EHZ. 2023-08-09T11:21:17.73 3.0 negative manual Pn -3.73 0
IV.RIBO.EHZ.01 2023-08-09T11:21:04.09 3.0 undecidable manual Pg 3.67 0
IV.RIBO.EHZ. 2023-08-09T11:21:01.51 3.0 undecidable manual Pg 1.09 0
IV.ASSB.HHZ. 2023-08-09T11:20:45.08 0.3 undecidable manual S 261 30.5472 92 -0.1 70
IV.NRCA.HHZ. 2023-08-09T11:20:44.64 0.3 undecidable manual S 166 28.6491 93 -0.04 71
IV.SSFR.HHZ. 2023-08-09T11:20:43.60 0.6 undecidable manual P 333 43.8228 91 0.86 37
IV.SNTG.HHZ. 2023-08-09T11:20:42.13 0.3 undecidable manual S 339 20.2686 96 -0.3 69
IV.ASSB.HHZ. 2023-08-09T11:20:41.06 1.0 positive manual P 261 30.5472 92 0.37 22
IV.CSP1.EHZ. 2023-08-09T11:20:40.77 0.3 undecidable manual S 87 14.0748 108 -0.05 74
IV.NRCA.HHZ. 2023-08-09T11:20:40.16 0.6 undecidable manual P 166 28.6491 93 -0.25 46
IV.FDMO.HHE. 2023-08-09T11:20:39.21 0.3 undecidable manual S 140 7.0929 139 -0.05 75
IV.MML1.EHZ. 2023-08-09T11:20:39.16 0.1 undecidable manual S 303 5.7942 146 0.1 98
IV.SNTG.HHZ. 2023-08-09T11:20:38.83 0.3 undecidable manual P 339 20.2686 96 -0.28 69
IV.CSP1.EHZ. 2023-08-09T11:20:38.24 0.3 undecidable manual P 87 14.0748 108 0.06 73
IV.FDMO.HHE. 2023-08-09T11:20:37.28 0.1 undecidable manual P 140 7.0929 139 0.01 100
IV.MML1.EHZ. 2023-08-09T11:20:37.29 0.1 undecidable manual P 303 5.7942 146 0.13 98
IT.MTCL.HGZ. 2023-08-09T11:20:37.67 0.1 undecidable manual P 194 10.3785 123 0 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MML1.EHN. ML:1.0 0.0001255 0.34 AML other m 2023-08-09T11:20:39.41
IV.MML1.EHE. ML:1.0 0.000147 0.18 AML other m 2023-08-09T11:20:39.39
IV.SNTG.HHE. ML:1.0 0.00006765 0.16 AML other m 2023-08-09T11:20:42.35
IV.SNTG.HHN. ML:1.0 0.00007280000000000001 0.16 AML other m 2023-08-09T11:20:42.44
IV.NRCA.HHN. ML:1.0 0.0000468 0.1 AML other m 2023-08-09T11:20:44.98
IV.NRCA.HHE. ML:0.9 0.00003955 0.86 AML other m 2023-08-09T11:20:46.43
IV.SSFR.HHE. ML:1.1 0.000036500000000000006 0.2 AML other m 2023-08-09T11:20:49.83
IV.SSFR.HHN. ML:1.2 0.00004380000000000001 1.04 AML other m 2023-08-09T11:20:50.82
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