Earthquake with magnitude of ML 0.7 on date 20-04-2023 and time 22:26:28 (UTC) in region 3 km NE Gualdo Tadino (PG)

A magnitude ML 0.7 earthquake occured in region: 3 km NE Gualdo Tadino (PG), on

  • 20-04-2023 22:26:28 (UTC)
  • 21-04-2023 00:26:28 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.2450, 12.8160 at 9 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
Gualdo Tadino PG 3 15208 15208
Fossato di Vico PG 7 2840 18048
Esanatoglia MC 11 2034 20082
Fiuminata MC 11 1402 21484
Sigillo PG 12 2404 23888
Fabriano AN 13 31480 55368
Nocera Umbra PG 15 5839 61207
Costacciaro PG 15 1216 62423
Sefro MC 15 422 62845
Pioraco MC 16 1134 63979
Matelica MC 16 9981 73960
Cerreto d'Esi AN 16 3817 77777
Valfabbrica PG 20 3389 81166

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km N of Foligno (57155 inhabitants)
38 Km E of Perugia (166134 inhabitants)
69 Km S of Fano (60888 inhabitants)
70 Km SW of Ancona (100861 inhabitants)
75 Km S of Pesaro (94582 inhabitants)
77 Km N of Terni (111501 inhabitants)
79 Km E of Arezzo (99543 inhabitants)
93 Km S of Rimini (147750 inhabitants)
97 Km NW 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 0.7 2023-04-20
22:26:28
43.2447 12.8163 9 2023-04-20
22:42:31
Sala Sismica INGV-Roma 116560821
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-20 22:26:28 ± 0.06
Latitude 43.2447 ± 0.0036
Longitude 12.8163 ± 0.0037
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 116560821

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 365
Semi-minor axis of confidence ellipse (meter) 206
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 25
Circular confidence region, given by single value of horizontal uncertainty (meter) 370.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 48
Number of associated phases, regardless of their use for origin computation 36
Number of defining phases 28
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) 0.53510
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 15
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 116560821
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-20 22:42:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MF5.EHZ. 2023-04-20T22:26:47.41 0.3 undecidable manual S 118 59.3961 50 -0.19 67
IV.GUMA.HHZ. 2023-04-20T22:26:42.80 3.0 undecidable manual S 0
IV.CSP1.EHZ. 2023-04-20T22:26:41.26 0.1 undecidable manual S 118 35.742 50 -0.02 96
IV.MMO1.EHZ. 2023-04-20T22:26:40.45 3.0 undecidable manual S 0
IV.ARVD.HHN. 2023-04-20T22:26:39.66 0.3 undecidable manual S 20 29.8479 50 -0.06 72
IV.MTCL.HGZ. 2023-04-20T22:26:39.01 3.0 undecidable manual S 0
IV.MF5.EHZ. 2023-04-20T22:26:39.85 0.1 undecidable manual P 118 59.3961 50 0.15 90
IV.ATFO.HHZ. 2023-04-20T22:26:38.07 0.1 undecidable manual S 304 23.9538 111 0.23 94
IV.NRCA.HHZ. 2023-04-20T22:26:38.39 3.0 undecidable manual P 0
IV.ASSB.HHZ. 2023-04-20T22:26:38.22 0.1 undecidable manual S 210 25.752 110 -0.22 94
IV.GUMA.HHZ. 2023-04-20T22:26:38.86 3.0 undecidable manual P 0
IV.NRCA.HHZ. 2023-04-20T22:26:38.54 3.0 undecidable manual S 0
IV.EL6.EHZ. 2023-04-20T22:26:38.50 0.1 undecidable manual S 68 24.8529 111 0.35 91
IV.ATSC.EHZ. 2023-04-20T22:26:37.24 0.1 undecidable manual S 332 22.4553 113 -0.13 96
IV.MURB.HHZ. 2023-04-20T22:26:37.96 0.1 undecidable manual S 275 23.6541 112 0.21 94
IV.SSFR.HNZ. 2023-04-20T22:26:37.32 0.3 undecidable manual S 353 21.4674 114 0.29 70
IV.MMO1.EHZ. 2023-04-20T22:26:37.64 3.0 undecidable manual P 0
IV.MML1.EHZ. 2023-04-20T22:26:36.27 0.1 undecidable manual S 139 19.2696 116 -0.07 98
IV.CSP1.EHZ. 2023-04-20T22:26:36.09 0.1 undecidable manual P 118 35.742 50 0.04 96
IV.MTCL.HGZ. 2023-04-20T22:26:36.86 3.0 undecidable manual P 0
IV.FDMO.HHZ. 2023-04-20T22:26:35.28 0.1 undecidable manual P 136 31.8459 50 -0.17 94
IV.ATCC.EHZ. 2023-04-20T22:26:35.66 0.3 undecidable manual S 245 15.6732 121 0.39 69
IV.MURB.HHZ. 2023-04-20T22:26:34.04 0.1 undecidable manual P 275 23.6541 112 0.03 98
IV.EL6.EHZ. 2023-04-20T22:26:34.74 0.1 undecidable manual P 68 24.8529 111 0.5 89
IV.ATFO.HHZ. 2023-04-20T22:26:34.18 0.1 undecidable manual P 304 23.9538 111 0.11 96
IV.ASSB.HHZ. 2023-04-20T22:26:34.30 0.1 undecidable manual P 210 25.752 110 -0.12 96
IV.ARVD.HHN. 2023-04-20T22:26:34.61 0.3 undecidable manual P 20 29.8479 50 -0.54 65
IV.CESI.HHZ. 2023-04-20T22:26:34.84 0.1 undecidable manual P 165 27.5502 109 0.1 96
IV.SSFR.HNZ. 2023-04-20T22:26:33.47 0.3 undecidable manual P 353 21.4674 114 -0.13 72
IV.SNTG.HHZ. 2023-04-20T22:26:33.51 0.1 undecidable manual S 83 10.0788 133 -0.2 97
IV.ATSC.EHZ. 2023-04-20T22:26:33.86 0.1 undecidable manual P 332 22.4553 113 0.06 98
IV.MML1.EHZ. 2023-04-20T22:26:33.28 0.1 undecidable manual P 139 19.2696 116 0.08 98
IV.FOSV.EHZ. 2023-04-20T22:26:32.12 0.1 undecidable manual S 321 7.0929 143 -0.89 78
IV.ATCC.EHZ. 2023-04-20T22:26:32.78 0.3 undecidable manual P 245 15.6732 121 0.2 72
IV.FOSV.EHZ. 2023-04-20T22:26:31.11 0.1 undecidable manual P 321 7.0929 143 -0.17 98
IV.SNTG.HHZ. 2023-04-20T22:26:31.73 0.1 undecidable manual P 83 10.0788 133 0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FOSV.EHE. ML:0.6 0.00005855 0.62 AML other m 2023-04-20T22:26:32.69
IV.FOSV.EHN. ML:0.5 0.00004625 0.44 AML other m 2023-04-20T22:26:32.53
IV.SNTG.HHE. ML:0.7 0.0000634 0.4 AML other m 2023-04-20T22:26:33.82
IV.SNTG.HHN. ML:0.8 0.0000839 0.18 AML other m 2023-04-20T22:26:33.61
IV.MURB.HHN. ML:0.8 0.0000414 0.28 AML other m 2023-04-20T22:26:38.37
IV.MURB.HHE. ML:0.9 0.0000547 0.28 AML other m 2023-04-20T22:26:38.67
IV.FDMO.HHE. ML:0.9 0.00003385 0.18 AML other m 2023-04-20T22:26:39.20
IV.FDMO.HHN. ML:0.7 0.00002605 0.98 AML other m 2023-04-20T22:26:40.17
IV.CESI.HHN. ML:1.2 0.00009575 0.24 AML other m 2023-04-20T22:26:41.51
IV.CESI.HHE. ML:1.2 0.00007325 0.2 AML other m 2023-04-20T22:26:41.50
IV.MML1.EHE. ML:0.4 0.000021850000000000003 0.58 AML other m 2023-04-20T22:26:43.02
IV.MML1.EHN. ML:0.4 0.00002025 0.64 AML other m 2023-04-20T22:26:43.73
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