Earthquake with magnitude of ML 1.3 on date 17-07-2023 and time 06:08:24 (UTC) in region 4 km NW Acquasparta (TR)

A magnitude ML 1.3 earthquake occured in region: 4 km NW Acquasparta (TR), on

  • 17-07-2023 06:08:24 (UTC)
  • 17-07-2023 08:08:24 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7150, 12.5050 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Acquasparta TR 4 4778 4778
Massa Martana PG 7 3770 8548
Montecastrilli TR 7 5022 13570
Avigliano Umbro TR 9 2558 16128
Todi PG 11 16851 32979
San Gemini TR 12 5018 37997
Giano dell'Umbria PG 15 3846 41843
Castel Ritaldi PG 18 3278 45121
Montecchio TR 19 1676 46797
Monte Castello di Vibio PG 19 1567 48364
Amelia TR 19 11897 60261
Spoleto PG 19 38218 98479
Fratta Todina PG 20 1839 100318
Guardea TR 20 1836 102154

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km NW of Terni (111501 inhabitants)
31 Km SW of Foligno (57155 inhabitants)
45 Km S of Perugia (166134 inhabitants)
47 Km NE of Viterbo (67173 inhabitants)
82 Km N of Guidonia Montecelio (88673 inhabitants)
84 Km W of L'Aquila (69753 inhabitants)
87 Km N of Tivoli (56533 inhabitants)
91 Km NE of Civitavecchia (52991 inhabitants)
91 Km N of Roma (2864731 inhabitants)
98 Km SE of Arezzo (99543 inhabitants)
98 Km W of Teramo (54892 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 1.3 2023-07-17
06:08:24
42.7152 12.5048 10 2023-07-17
06:21:13
Sala Sismica INGV-Roma 119334261
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-07-17 06:08:24 ± 0.06
Latitude 42.7152 ± 0.0036
Longitude 12.5048 ± 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 119334261

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 470
Semi-minor axis of confidence ellipse (meter) 236
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 57
Circular confidence region, given by single value of horizontal uncertainty (meter) 470.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 154
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.13
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.56118
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 119334261
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-07-17 06:21:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.QLNO.HHZ. 2023-07-17T06:10:14.94 3.0 undecidable manual Sg 10.03 0
OX.CIMO.HHZ. 2023-07-17T06:10:06.04 3.0 undecidable manual Sg 1.06 0
7C.SPAOL.HNZ. 2023-07-17T06:09:51.81 3.0 positive manual Pn 0.15 0
IV.SPS2.HHZ. 2023-07-17T06:09:47.06 3.0 positive manual Pg 10.38 0
IV.BULT.EHZ. 2023-07-17T06:09:30.86 3.0 undecidable manual Pg 7.15 0
IV.SALB.HHZ. 2023-07-17T06:09:29.28 3.0 negative manual Pn -1.23 0
IV.SGG.HHZ. 2023-07-17T06:09:27.34 3.0 undecidable manual Sg -0.89 0
IV.MAGA.HHZ. 2023-07-17T06:09:25.82 3.0 undecidable manual Pg 6.52 0
IV.SLCN.HHZ. 2023-07-17T06:09:24.88 3.0 negative manual Pg 4.62 0
IV.SNAL.HNZ. 2023-07-17T06:09:17.21 3.0 undecidable manual Pg 5.36 0
MN.TRI.HHZ. 2023-07-17T06:09:15.82 3.0 negative manual Pn 0.59 0
IV.BAG8.EHZ. 2023-07-17T06:09:13.71 3.0 undecidable manual Pn -6.89 0
IV.SENI.HNZ. 2023-07-17T06:08:58.06 3.0 undecidable manual S -4.14 0
IV.ARVD.HHZ. 2023-07-17T06:08:53.06 3.0 undecidable manual S -0.12 0
IV.SFI.EHZ. 2023-07-17T06:08:49.00 3.0 undecidable manual P -2.05 0
IV.MGAB.HHZ. 2023-07-17T06:08:37.18 0.6 undecidable manual S 305 38.7279 50 0 48
IV.ASSB.HHZ. 2023-07-17T06:08:37.32 0.6 undecidable manual S 19 38.4282 50 0.23 46
IV.RM33.EHZ. 2023-07-17T06:08:35.32 0.3 undecidable manual P 111 62.2932 50 0.07 69
IV.GAVE.HNZ. 2023-07-17T06:08:35.43 0.6 undecidable manual S 94 31.8459 50 0.09 48
IV.FDMO.HHZ. 2023-07-17T06:08:34.84 1.0 positive manual P 53 59.2962 50 0.05 23
IV.NRCA.HHZ. 2023-07-17T06:08:33.49 0.6 undecidable manual P 75 51.3153 50 -0.07 47
IV.ARRO.EHZ. 2023-07-17T06:08:33.52 0.6 undecidable manual S 125 26.0517 110 -0.15 48
IV.SACS.HHZ. 2023-07-17T06:08:33.53 3.0 negative manual P -5.52 0
IV.ASSB.HHZ. 2023-07-17T06:08:31.45 0.1 undecidable manual P 19 38.4282 50 -0.12 95
IV.MGAB.HHZ. 2023-07-17T06:08:31.53 0.3 undecidable manual P 305 38.7279 50 -0.09 71
IV.GAVE.HNZ. 2023-07-17T06:08:30.37 0.6 undecidable manual P 94 31.8459 50 -0.19 47
IV.CESX.HHZ. 2023-07-17T06:08:29.61 0.6 undecidable manual S 151 13.5753 125 -0.17 49
IT.GNU.HGZ. 2023-07-17T06:08:29.02 0.6 undecidable manual S 28 11.1777 130 -0.1 50
IV.ARRO.EHZ. 2023-07-17T06:08:29.60 0.3 undecidable manual P 125 26.0517 110 0.01 74
IV.CESX.HHZ. 2023-07-17T06:08:27.68 0.3 undecidable manual P 151 13.5753 125 0.33 71
IT.GNU.HGZ. 2023-07-17T06:08:27.05 0.1 undecidable manual P 28 11.1777 130 0.08 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESX.HHN. ML:1.5 0.000317 0.58 AML other m 2023-07-17T06:08:31.90
IV.CESX.HHE. ML:1.4 0.000243 0.3 AML other m 2023-07-17T06:08:32.25
IV.ARRO.EHN. ML:1.1 0.00006829999999999999 1.72 AML other m 2023-07-17T06:08:34.96
IV.ARRO.EHE. ML:1.3 0.000113 0.18 AML other m 2023-07-17T06:08:34.79
IV.MGAB.HHN. ML:1.5 0.0001235 0.86 AML other m 2023-07-17T06:08:37.73
IV.MGAB.HHE. ML:1.6 0.000146 0.5 AML other m 2023-07-17T06:08:38.80
IV.NRCA.HHN. ML:1.1 0.000031100000000000004 1.2 AML other m 2023-07-17T06:08:42.11
IV.NRCA.HHE. ML:1.2 0.0000452 0.12 AML other m 2023-07-17T06:08:43.22
IV.FDMO.HHN. ML:1.0 0.0000175 1.02 AML other m 2023-07-17T06:08:44.17
IV.FDMO.HHE. ML:1.2 0.0000348 1.16 AML other m 2023-07-17T06:08:44.70
IV.RM33.EHN. ML:1.1 0.000022800000000000002 1.24 AML other m 2023-07-17T06:08:46.65
IV.RM33.EHE. ML:1.2 0.00003515 0.24 AML other m 2023-07-17T06:08:46.50
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