Earthquake with magnitude of ML 1.3 on date 05-07-2023 and time 18:36:06 (Italy) in region 2 km E Acquasparta (TR)

A magnitude ML 1.3 earthquake occured in region: 2 km E Acquasparta (TR), on

  • 05-07-2023 16:36:06 (UTC)
  • 05-07-2023 18:36:06 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6960, 12.5720 at 8 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 2 4778 4778
Montecastrilli TR 9 5022 9800
San Gemini TR 9 5018 14818
Massa Martana PG 10 3770 18588
Avigliano Umbro TR 13 2558 21146
Spoleto PG 14 38218 59364
Giano dell'Umbria PG 16 3846 63210
Terni TR 16 111501 174711
Castel Ritaldi PG 17 3278 177989
Todi PG 17 16851 194840
Montefranco TR 19 1276 196116
Ferentillo TR 20 1913 198029
Narni TR 20 19785 217814
Amelia TR 20 11897 229711

Municipalities with at least 50000 inhabitants

An earthquake occurred to
16 Km NW of Terni (111501 inhabitants)
31 Km SW of Foligno (57155 inhabitants)
48 Km SE of Perugia (166134 inhabitants)
49 Km NE of Viterbo (67173 inhabitants)
78 Km NW of L'Aquila (69753 inhabitants)
78 Km N of Guidonia Montecelio (88673 inhabitants)
83 Km N of Tivoli (56533 inhabitants)
90 Km N of Roma (2864731 inhabitants)
93 Km NE of Civitavecchia (52991 inhabitants)
93 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 2023-07-05
16:36:06
42.6957 12.5722 9 2023-07-05
16:41:36
Sala Sismica INGV-Roma 118997111
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-07-05 16:36:06 ± 0.11
Latitude 42.6957 ± 0.0063
Longitude 12.5722 ± 0.0110
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 118997111

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 927
Semi-minor axis of confidence ellipse (meter) 460
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 237
Circular confidence region, given by single value of horizontal uncertainty (meter) 930.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 130
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.60974
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 118997111
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-07-05 16:41:36
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MMO1.EHZ. 2023-07-05T16:36:27.22 3.0 undecidable manual S -1.2 0
IV.RM33.EHZ. 2023-07-05T16:36:24.55 0.6 undecidable manual S 111 56.3991 50 0.05 46
IV.RCAV.EHZ. 2023-07-05T16:36:22.11 3.0 undecidable manual P -1.85 0
IV.MGAB.HHZ. 2023-07-05T16:36:21.52 0.6 undecidable manual S 303 44.5221 50 0.19 46
IV.NRCA.HHZ. 2023-07-05T16:36:21.97 0.6 undecidable manual S 71 46.7199 50 0.05 47
IV.ASSB.HHZ. 2023-07-05T16:36:20.02 0.6 undecidable manual S 10 39.1275 50 0.12 47
IV.MMO1.EHZ. 2023-07-05T16:36:19.03 3.0 positive manual P 0.34 0
IV.CSP1.EHZ. 2023-07-05T16:36:18.79 0.6 positive manual P 49 67.6767 50 0.2 44
IV.RM33.EHZ. 2023-07-05T16:36:17.00 0.6 positive manual P 111 56.3991 50 0.14 45
IV.FDMO.HHZ. 2023-07-05T16:36:17.30 1.0 positive manual P 48 56.3991 50 0.44 21
IV.MGAB.HHZ. 2023-07-05T16:36:15.28 1.0 undecidable manual P 303 44.5221 50 0.25 22
IV.ARRO.EHZ. 2023-07-05T16:36:14.31 0.6 undecidable manual S 129 20.3685 112 0.23 47
IV.NRCA.HHZ. 2023-07-05T16:36:14.47 0.3 undecidable manual P 71 46.7199 50 -0.9 54
IV.ASSB.HHZ. 2023-07-05T16:36:13.95 0.3 negative manual P 10 39.1275 50 -0.25 68
IV.ARRO.EHZ. 2023-07-05T16:36:11.42 0.6 positive manual P 129 20.3685 112 0.59 43
IV.MOMA.HHZ. 2023-07-05T16:36:11.54 0.6 undecidable manual S 359 11.9769 125 0.04 50
IV.CESX.HHZ. 2023-07-05T16:36:10.63 0.6 undecidable manual S 173 9.7791 131 -0.25 48
IV.MOMA.HHZ. 2023-07-05T16:36:09.36 0.1 positive manual P 359 11.9769 125 0.01 100
IV.CESX.HHZ. 2023-07-05T16:36:08.88 0.1 positive manual P 173 9.7791 131 -0.11 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESX.HHN. ML:1.4 0.0003685 0.2 AML other m 2023-07-05T16:36:10.75
IV.MOMA.HNN. ML:1.5 0.00039 0.6 AML other m 2023-07-05T16:36:11.64
IV.MOMA.HHN. ML:1.5 0.000389 0.6 AML other m 2023-07-05T16:36:11.64
IV.CESX.HHE. ML:1.3 0.0003125 1.56 AML other m 2023-07-05T16:36:12.95
IV.MOMA.HNE. ML:1.6 0.0005285 0.18 AML other m 2023-07-05T16:36:12.62
IV.MOMA.HHE. ML:1.6 0.000546 0.18 AML other m 2023-07-05T16:36:12.71
IV.ARRO.EHN. ML:1.1 0.00009409999999999998 0.88 AML other m 2023-07-05T16:36:14.64
IV.ARRO.EHE. ML:1.0 0.0000718 0.3 AML other m 2023-07-05T16:36:15.82
IV.NRCA.HHE. ML:1.1 0.0000405 1.88 AML other m 2023-07-05T16:36:24.95
IV.NRCA.HHN. ML:1.0 0.000032 1.04 AML other m 2023-07-05T16:36:24.63
IV.FDMO.HHE. ML:1.1 0.000032149999999999995 0.28 AML other m 2023-07-05T16:36:25.70
IV.FDMO.HHN. ML:1.0 0.000022449999999999997 0.16 AML other m 2023-07-05T16:36:26.39
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download