Earthquake with magnitude of ML 0.7 on date 05-07-2023 and time 00:57:11 (UTC) in region 4 km NE Spoleto (PG)

A magnitude ML 0.7 earthquake occured in region: 4 km NE Spoleto (PG), on

  • 05-07-2023 00:57:11 (UTC)
  • 05-07-2023 02:57:11 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7720, 12.7560 at 13 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
Spoleto PG 4 38218 38218
Campello sul Clitunno PG 6 2442 40660
Sant'Anatolia di Narco PG 8 564 41224
Vallo di Nera PG 9 364 41588
Castel Ritaldi PG 9 3278 44866
Scheggino PG 9 461 45327
Trevi PG 12 8469 53796
Cerreto di Spoleto PG 14 1075 54871
Montefalco PG 16 5679 60550
Giano dell'Umbria PG 16 3846 64396
Poggiodomo PG 16 117 64513
Ferentillo TR 17 1913 66426
Massa Martana PG 19 3770 70196
Acquasparta TR 19 4778 74974
Sellano PG 19 1079 76053
Montefranco TR 19 1276 77329

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km S of Foligno (57155 inhabitants)
25 Km NE of Terni (111501 inhabitants)
48 Km SE of Perugia (166134 inhabitants)
66 Km NE of Viterbo (67173 inhabitants)
70 Km NW of L'Aquila (69753 inhabitants)
79 Km W of Teramo (54892 inhabitants)
86 Km N of Guidonia Montecelio (88673 inhabitants)
90 Km N of Tivoli (56533 inhabitants)
100 Km N of Roma (2864731 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 0.7 2023-07-05
00:57:11
42.7722 12.7558 13 2023-07-05
02:47:34
Sala Sismica INGV-Roma 118976881
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-07-05 00:57:11 ± 0.73
Latitude 42.7722 ± 0.0270
Longitude 12.7558 ± 0.0233
Depth (km) 13 ± 5 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 118976881

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2643
Semi-minor axis of confidence ellipse (meter) 1409
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 349
Circular confidence region, given by single value of horizontal uncertainty (meter) 2640.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 206
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.47
Epicentral distance of station closest to the epicenter (degree) 0.13939
Epicentral distance of station farthest from the epicenter (degree) 0.37592
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 118976881
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-07-05 02:47:34
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MML1.EHZ. 2023-07-05T00:57:23.97 0.6 undecidable manual S 25 41.7249 94 -0.95 40
IV.ASSB.HHZ. 2023-07-05T00:57:22.33 0.6 undecidable manual S 345 31.0467 96 0.26 48
IV.NRCA.HHZ. 2023-07-05T00:57:21.57 0.6 undecidable manual S 77 29.9478 96 -0.22 49
IV.CESI.HHZ. 2023-07-05T00:57:20.54 0.6 undecidable manual S 25 28.5492 97 -0.87 38
IV.MML1.EHZ. 2023-07-05T00:57:18.74 0.1 undecidable manual P 25 41.7249 94 -0.43 100
IV.CESI.HHZ. 2023-07-05T00:57:17.99 0.6 undecidable manual P 25 28.5492 97 0.85 35
IV.NRCA.HHZ. 2023-07-05T00:57:17.12 1.0 positive manual P 77 29.9478 96 -0.24 25
IV.ASSB.HHZ. 2023-07-05T00:57:17.53 0.3 positive manual P 345 31.0467 96 0 71
IV.MOMA.HHZ. 2023-07-05T00:57:17.27 0.6 undecidable manual S 283 15.4734 112 -0.76 35
IV.MOMA.HHZ. 2023-07-05T00:57:14.75 0.6 undecidable manual P 283 15.4734 112 -0.44 49
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MOMA.HHN. ML:0.6 0.00003635 0.66 AML other m 2023-07-05T00:57:17.73
IV.MOMA.HHE. ML:0.9 0.00006720000000000001 0.18 AML other m 2023-07-05T00:57:17.96
IV.CESI.HHN. ML:1.0 0.0000551 0.32 AML other m 2023-07-05T00:57:20.76
IV.CESI.HHE. ML:0.7 0.00002565 0.34 AML other m 2023-07-05T00:57:20.79
IV.ASSB.HHE. ML:0.6 0.0000194 0.26 AML other m 2023-07-05T00:57:23.22
IV.ASSB.HHN. ML:0.5 0.0000154 1.36 AML other m 2023-07-05T00:57:23.85
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