Earthquake with magnitude of ML 1.0 on date 26-05-2023 and time 21:13:07 (UTC) in region 7 km W Sellano (PG)

A magnitude ML 1.0 earthquake occured in region: 7 km W Sellano (PG), on

  • 26-05-2023 21:13:07 (UTC)
  • 26-05-2023 23:13:07 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9130, 12.8460 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
Sellano PG 7 1079 1079
Trevi PG 9 8469 9548
Campello sul Clitunno PG 12 2442 11990
Cerreto di Spoleto PG 12 1075 13065
Foligno PG 13 57155 70220
Monte Cavallo MC 16 145 70365
Montefalco PG 16 5679 76044
Vallo di Nera PG 16 364 76408
Preci PG 16 724 77132
Spello PG 17 8645 85777
Castel Ritaldi PG 17 3278 89055
Valtopina PG 18 1398 90453
Bevagna PG 19 5081 95534
Serravalle di Chienti MC 20 1070 96604
Sant'Anatolia di Narco PG 20 564 97168
Visso MC 20 1107 98275

Municipalities with at least 50000 inhabitants

An earthquake occurred to
13 Km E of Foligno (57155 inhabitants)
42 Km NE of Terni (111501 inhabitants)
43 Km SE of Perugia (166134 inhabitants)
76 Km W of Teramo (54892 inhabitants)
77 Km NW of L'Aquila (69753 inhabitants)
82 Km NE of Viterbo (67173 inhabitants)
95 Km SW of Ancona (100861 inhabitants)
100 Km SE of Arezzo (99543 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 2023-05-26
21:13:07
42.9132 12.8463 10 2023-05-26
21:17:12
Sala Sismica INGV-Roma 117757081
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-26 21:13:07 ± 0.05
Latitude 42.9132 ± 0.0027
Longitude 12.8463 ± 0.0037
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 117757081

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 347
Semi-minor axis of confidence ellipse (meter) 264
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 39
Circular confidence region, given by single value of horizontal uncertainty (meter) 350.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 71
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.10072
Epicentral distance of station farthest from the epicenter (degree) 0.52520
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 117757081
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-26 21:17:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SSFR.HHZ. 2023-05-26T21:13:18.37 0.6 undecidable manual P 355 58.2972 50 0.35 45
IV.GAVE.EHZ. 2023-05-26T21:13:16.84 0.1 undecidable manual S 171 24.8529 50 0.06 97
IV.EL6.EHZ. 2023-05-26T21:13:16.76 0.6 negative manual P 24 50.616 50 -0.08 47
IV.MOMA.HHZ. 2023-05-26T21:13:16.82 0.1 undecidable manual S 242 25.5522 50 -0.16 94
IV.MURB.HHZ. 2023-05-26T21:13:16.37 0.6 undecidable manual P 326 46.7199 50 0.12 48
IV.NRCA.HHZ. 2023-05-26T21:13:16.27 0.1 undecidable manual S 112 23.4543 113 -0.11 95
IV.MML1.EHZ. 2023-05-26T21:13:16.41 0.1 undecidable manual S 25 24.4533 113 -0.28 95
IV.ASSB.HHZ. 2023-05-26T21:13:15.55 0.1 undecidable manual S 313 20.9679 116 -0.03 100
IV.MMO1.EHZ. 2023-05-26T21:13:15.04 1.0 undecidable manual P 92 39.0276 50 -0.02 24
IV.ATCC.EHZ. 2023-05-26T21:13:14.37 1.0 undecidable manual P 331 34.5432 50 0.01 24
IV.SNTG.HHZ. 2023-05-26T21:13:14.87 1.0 undecidable manual P 11 38.7279 50 -0.13 24
IV.CSP1.EHZ. 2023-05-26T21:13:14.44 0.6 negative manual P 56 35.2425 50 -0.03 48
IV.CESI.HHZ. 2023-05-26T21:13:13.04 0.1 undecidable manual S 25 11.1777 132 0.29 97
IV.MOMA.HHZ. 2023-05-26T21:13:13.08 1.0 negative manual P 242 25.5522 50 0.11 25
IV.NRCA.HHZ. 2023-05-26T21:13:12.60 0.3 negative manual P 112 23.4543 113 -0.03 73
IV.MML1.EHZ. 2023-05-26T21:13:12.64 1.0 positive manual P 25 24.4533 113 -0.16 24
IV.GAVE.EHZ. 2023-05-26T21:13:12.97 0.1 negative manual P 171 24.8529 50 0.11 99
IV.ASSB.HHZ. 2023-05-26T21:13:11.89 1.0 undecidable manual P 313 20.9679 116 -0.27 24
IV.CESI.HHZ. 2023-05-26T21:13:10.82 1.0 undecidable manual P 25 11.1777 132 0.29 25
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHN. ML:1.1 0.0001605 0.34 AML other m 2023-05-26T21:13:13.30
IV.CESI.HHE. ML:1.2 0.0001905 0.18 AML other m 2023-05-26T21:13:13.32
IV.ASSB.HHE. ML:0.9 0.00006035 1.42 AML other m 2023-05-26T21:13:15.96
IV.ASSB.HHN. ML:0.8 0.000045350000000000005 0.6 AML other m 2023-05-26T21:13:16.58
IV.NRCA.HHE. ML:1.0 0.00006075 0.38 AML other m 2023-05-26T21:13:16.62
IV.MML1.EHN. ML:0.6 0.0000256 1.24 AML other m 2023-05-26T21:13:16.04
IV.NRCA.HHN. ML:1.0 0.00006964999999999999 1.32 AML other m 2023-05-26T21:13:16.74
IV.MML1.EHE. ML:0.6 0.000027199999999999997 0.52 AML other m 2023-05-26T21:13:17.19
IV.GAVE.EHN. ML:0.9 0.00004920000000000001 0.18 AML other m 2023-05-26T21:13:18.00
IV.GAVE.EHE. ML:1.0 0.0000574 0.76 AML other m 2023-05-26T21:13:18.18
IV.ATCC.EHN. ML:1.1 0.00005515 1.72 AML other m 2023-05-26T21:13:19.08
IV.ATCC.EHE. ML:1.0 0.000046 0.36 AML other m 2023-05-26T21:13:20.26
IV.MURB.HHE. ML:1.2 0.00005035 1.72 AML other m 2023-05-26T21:13:24.92
IV.MURB.HHN. ML:1.2 0.000052000000000000004 1.3 AML other m 2023-05-26T21:13:25.16
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