Earthquake with magnitude of ML 0.6 on date 26-04-2023 and time 00:24:45 (Italy) in region 10 km SE Valtopina (PG)

A magnitude ML 0.6 earthquake occured in region: 10 km SE Valtopina (PG), on

  • 25-04-2023 22:24:45 (UTC)
  • 26-04-2023 00:24:45 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0020, 12.8530 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
Valtopina PG 10 1398 1398
Serravalle di Chienti MC 11 1070 2468
Monte Cavallo MC 12 145 2613
Foligno PG 13 57155 59768
Nocera Umbra PG 13 5839 65607
Sellano PG 14 1079 66686
Spello PG 15 8645 75331
Trevi PG 16 8469 83800
Pieve Torina MC 17 1458 85258
Sefro MC 18 422 85680
Muccia MC 18 915 86595
Fiordimonte MC 20 202 86797

Municipalities with at least 50000 inhabitants

An earthquake occurred to
13 Km E of Foligno (57155 inhabitants)
39 Km E of Perugia (166134 inhabitants)
52 Km NE of Terni (111501 inhabitants)
79 Km W of Teramo (54892 inhabitants)
85 Km NW of L'Aquila (69753 inhabitants)
87 Km SW of Ancona (100861 inhabitants)
89 Km NE of Viterbo (67173 inhabitants)
94 Km SE of Arezzo (99543 inhabitants)
95 Km S of Fano (60888 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 0.6 2023-04-25
22:24:45
43.0025 12.8527 10 2023-04-25
22:33:35
Sala Sismica INGV-Roma 116752291
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-25 22:24:45 ± 0.05
Latitude 43.0025 ± 0.0027
Longitude 12.8527 ± 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 116752291

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 323
Semi-minor axis of confidence ellipse (meter) 234
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 358
Circular confidence region, given by single value of horizontal uncertainty (meter) 320.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 60
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) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.03777
Epicentral distance of station farthest from the epicenter (degree) 0.31117
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitude information

ML:0.6

Field Value
Value 0.6
Uncertainty 0.0
Num. used stations 2
Type of magnitude ML
Reference to an origin 116752291
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-25 22:33:35
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MOMA.HNN. 2023-04-25T22:24:56.49 0.3 undecidable manual S 226 31.8459 50 0.08 73
IV.CSP1.EHZ. 2023-04-25T22:24:56.32 0.3 undecidable manual S 71 30.2475 50 0.33 69
IV.ATCC.EHZ. 2023-04-25T22:24:55.11 0.3 undecidable manual S 320 26.5512 50 0.09 73
IV.NRCA.HHZ. 2023-04-25T22:24:55.17 0.3 undecidable manual S 131 28.3494 50 -0.31 69
IV.SNTG.HHZ. 2023-04-25T22:24:55.45 0.3 undecidable manual S 14 28.9488 50 -0.18 71
IV.MOMA.HNN. 2023-04-25T22:24:52.01 0.3 undecidable manual P 226 31.8459 50 0.33 69
IV.FDMO.HHZ. 2023-04-25T22:24:52.72 0.3 undecidable manual S 79 19.3695 117 -0.03 75
IV.SNTG.HHZ. 2023-04-25T22:24:51.04 0.3 negative manual P 14 28.9488 50 -0.18 71
IV.CSP1.EHZ. 2023-04-25T22:24:51.70 1.0 undecidable manual P 71 30.2475 50 0.28 23
IV.MML1.EHZ. 2023-04-25T22:24:51.56 0.1 undecidable manual S 38 15.6732 122 -0.05 100
IV.ASSB.HHZ. 2023-04-25T22:24:51.69 0.1 undecidable manual S 286 16.3725 121 -0.13 98
IV.NRCA.HHZ. 2023-04-25T22:24:51.00 0.6 negative manual P 131 28.3494 50 -0.14 48
IV.GAVE.EHZ. 2023-04-25T22:24:51.96 0.3 undecidable manual P 174 34.5432 50 -0.14 71
IV.ATCC.EHZ. 2023-04-25T22:24:50.82 0.3 positive manual P 320 26.5512 50 -0.05 74
IV.ASSB.HHZ. 2023-04-25T22:24:49.07 0.6 undecidable manual P 286 16.3725 121 0.05 50
IV.FDMO.HHZ. 2023-04-25T22:24:49.64 0.6 negative manual P 79 19.3695 117 0.09 49
IV.MML1.EHZ. 2023-04-25T22:24:49.06 0.3 positive manual P 38 15.6732 122 0.16 73
IV.CESI.HHZ. 2023-04-25T22:24:48.94 0.3 undecidable manual S 86 4.1958 157 0.02 77
IV.CESI.HHZ. 2023-04-25T22:24:47.51 1.0 undecidable manual P 86 4.1958 157 0.16 25
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHN. ML:0.6 0.00006845 0.52 AML other m 2023-04-25T22:24:49.29
IV.CESI.HHE. ML:0.6 0.0000672 0.3 AML other m 2023-04-25T22:24:49.01
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