Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 27-07-2023 and time 18:05:27 (UTC) in region 4 km S Pieve Torina (MC)

A magnitude ML 1.1 earthquake occured in region: 4 km S Pieve Torina (MC), on

  • 27-07-2023 18:05:27 (UTC)
  • 27-07-2023 20:05:27 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0130, 13.0410 at 6 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
Pieve Torina MC 4 1458 1458
Monte Cavallo MC 4 145 1603
Fiordimonte MC 5 202 1805
Pievebovigliana MC 7 866 2671
Muccia MC 8 915 3586
Fiastra MC 10 559 4145
Serravalle di Chienti MC 10 1070 5215
Visso MC 10 1107 6322
Ussita MC 11 444 6766
Acquacanina MC 11 121 6887
Camerino MC 14 6974 13861
Preci PG 15 724 14585
Bolognola MC 15 142 14727
Castelsantangelo sul Nera MC 16 281 15008
Sellano PG 17 1079 16087
Sefro MC 17 422 16509
Pioraco MC 19 1134 17643

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km E of Foligno (57155 inhabitants)
54 Km E of Perugia (166134 inhabitants)
60 Km NE of Terni (111501 inhabitants)
67 Km NW of Teramo (54892 inhabitants)
78 Km SW of Ancona (100861 inhabitants)
79 Km NW of L'Aquila (69753 inhabitants)
92 Km S of Fano (60888 inhabitants)
100 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 1.1 2023-07-27
18:05:27		 43.0132 13.0413 6 2023-07-27
18:11:09		 Sala Sismica INGV-Roma 119632481
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-07-27 18:05:27 ± 0.11
Latitude 43.0132 ± 0.0036
Longitude 13.0413 ± 0.0037
Depth (km) 6 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 119632481

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 430
Semi-minor axis of confidence ellipse (meter) 45
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) 82
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 24
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) 0.03597
Epicentral distance of station farthest from the epicenter (degree) 0.33994
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:1.1

Field Value
Value 1.1
Uncertainty 0.1
Num. used stations 10
Type of magnitude ML
Reference to an origin 119632481
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-07-27 18:11:09
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ATCC.EHZ. 2023-07-27T18:05:40.23 0.6 undecidable manual S 301 37.7289 98 -0.02 47
IV.MF5.EHZ. 2023-07-27T18:05:39.66 0.6 undecidable manual S 95 34.0437 99 0.65 40
IV.ASSB.HHZ. 2023-07-27T18:05:38.01 0.6 undecidable manual S 276 31.2465 100 -0.02 48
IV.MMO1.HNZ. 2023-07-27T18:05:36.38 0.6 undecidable manual S 118 26.3514 102 -0.01 48
7F.SIB2.EHZ. 2023-07-27T18:05:35.84 0.6 undecidable manual S 122 25.2525 102 -0.17 47
IV.NRCA.HHZ. 2023-07-27T18:05:34.64 0.3 undecidable manual S 163 20.7681 105 0.14 71
IV.ATCC.EHZ. 2023-07-27T18:05:34.31 1.0 undecidable manual P 301 37.7289 98 -0.36 22
IV.ASSB.HHZ. 2023-07-27T18:05:33.03 0.3 positive manual P 276 31.2465 100 -0.35 67
IV.CSP1.EHZ. 2023-07-27T18:05:33.35 0.3 undecidable manual S 57 15.873 109 0.49 67
IV.MF5.EHZ. 2023-07-27T18:05:33.34 1.0 negative manual P 95 34.0437 99 -0.61 21
IV.MMO1.HNZ. 2023-07-27T18:05:32.22 0.1 undecidable manual P 118 26.3514 102 -0.22 92
IV.MML1.HNZ. 2023-07-27T18:05:31.52 0.3 undecidable manual S 333 12.4764 114 -0.25 70
IV.NRCA.HHZ. 2023-07-27T18:05:31.23 1.0 positive manual P 163 20.7681 105 -0.12 24
IV.CESI.HHZ. 2023-07-27T18:05:31.71 0.3 undecidable manual S 265 11.0778 116 0.37 69
7F.SIB2.EHZ. 2023-07-27T18:05:31.94 0.1 undecidable manual P 122 25.2525 102 -0.27 91
IV.CSP1.EHZ. 2023-07-27T18:05:30.55 0.6 positive manual P 57 15.873 109 0.15 48
IV.FDMO.HHZ. 2023-07-27T18:05:29.19 0.3 undecidable manual S 55 4.4955 141 -0.32 70
IT.MTCL.HGZ. 2023-07-27T18:05:29.20 0.6 undecidable manual S 238 3.996 144 -0.2 48
IV.MML1.HNZ. 2023-07-27T18:05:29.93 0.1 undecidable manual P 333 12.4764 114 0.16 96
IV.FEMA.HNZ. 2023-07-27T18:05:29.82 0.6 undecidable manual S 173 5.6943 134 0.03 50
IV.CESI.HHZ. 2023-07-27T18:05:29.79 0.1 positive manual P 265 11.0778 116 0.26 94
IV.FEMA.HNZ. 2023-07-27T18:05:28.76 0.1 undecidable manual P 173 5.6943 134 0.14 97
IV.FDMO.HHZ. 2023-07-27T18:05:28.29 1.0 undecidable manual P 55 4.4955 141 -0.18 24
IT.MTCL.HGZ. 2023-07-27T18:05:28.42 0.1 negative manual P 238 3.996 144 0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHN. ML:1.1 0.00018449999999999999 1.88 AML other m 2023-07-27T18:05:31.97
IV.CESI.HHE. ML:0.9 0.00013000000000000002 0.54 AML other m 2023-07-27T18:05:32.17
IV.CSP1.EHN. ML:1.3 0.0001975 0.86 AML other m 2023-07-27T18:05:34.00
IV.CSP1.EHE. ML:1.2 0.0001805 1.7 AML other m 2023-07-27T18:05:35.07
IV.NRCA.HHN. ML:1.1 0.0000886 0.14 AML other m 2023-07-27T18:05:35.38
IV.NRCA.HHE. ML:1.1 0.00009800000000000001 0.78 AML other m 2023-07-27T18:05:35.24
IV.ASSB.HHN. ML:1.0 0.000050900000000000004 1.38 AML other m 2023-07-27T18:05:38.15
IV.ASSB.HHE. ML:0.9 0.0000339 1.04 AML other m 2023-07-27T18:05:39.93
IV.ATCC.EHE. ML:1.1 0.00004425 0.54 AML other m 2023-07-27T18:05:41.58
IV.ATCC.EHN. ML:0.9 0.000032500000000000004 0.32 AML other m 2023-07-27T18:05:42.54
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