Earthquake with magnitude of ML 1.2 on date 26-04-2023 and time 05:10:54 (Italy) in region 4 km E Gualdo Tadino (PG)

A magnitude ML 1.2 earthquake occured in region: 4 km E Gualdo Tadino (PG), on

  • 26-04-2023 03:10:54 (UTC)
  • 26-04-2023 05:10:54 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.2480, 12.8340 at 51 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 4 15208 15208
Fossato di Vico PG 8 2840 18048
Esanatoglia MC 9 2034 20082
Fiuminata MC 10 1402 21484
Fabriano AN 12 31480 52964
Sigillo PG 12 2404 55368
Matelica MC 14 9981 65349
Pioraco MC 15 1134 66483
Sefro MC 15 422 66905
Cerreto d'Esi AN 15 3817 70722
Nocera Umbra PG 16 5839 76561
Costacciaro PG 16 1216 77777
Castelraimondo MC 19 4587 82364
Gagliole MC 19 620 82984

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km NE of Foligno (57155 inhabitants)
39 Km E of Perugia (166134 inhabitants)
68 Km S of Fano (60888 inhabitants)
69 Km SW of Ancona (100861 inhabitants)
74 Km S of Pesaro (94582 inhabitants)
78 Km N of Terni (111501 inhabitants)
81 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 1.2 2023-04-26
03:10:54
43.2482 12.8342 51 2023-04-26
03:17:24
Sala Sismica INGV-Roma 116756401
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-26 03:10:54 ± 0.16
Latitude 43.2482 ± 0.0090
Longitude 12.8342 ± 0.0173
Depth (km) 51 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 116756401

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1590
Semi-minor axis of confidence ellipse (meter) 171
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) 1590.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 99
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.40649
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 16
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 116756401
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-26 03:17:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SRES.HHZ. 2023-04-26T03:11:16.63 3.0 undecidable manual Pg 2.79 0
IV.FDMO.HHZ. 2023-04-26T03:11:10.94 0.3 undecidable manual S 139 31.1466 141 0.37 69
IV.ARVD.HHZ. 2023-04-26T03:11:10.47 0.6 undecidable manual S 17 29.0487 143 0.18 48
IV.FRON.EHN. 2023-04-26T03:11:10.88 0.6 undecidable manual S 344 31.1466 141 0.31 47
IV.CING.HHZ. 2023-04-26T03:11:10.89 0.3 undecidable manual S 64 32.4453 140 0.14 72
IV.CESI.HHZ. 2023-04-26T03:11:10.32 0.1 undecidable manual S 168 27.5502 145 0.21 96
IV.SSFR.HHE. 2023-04-26T03:11:09.41 0.3 undecidable manual S 349 21.2676 152 0.01 76
IV.MML1.EHZ. 2023-04-26T03:11:09.30 0.6 undecidable manual S 143 18.6702 155 0.16 49
IV.FOSV.EHE. 2023-04-26T03:11:08.25 0.3 undecidable manual S 311 7.881 169 -0.18 75
IV.SNTG.HHZ. 2023-04-26T03:11:08.11 0.3 undecidable manual S 85 8.5803 168 -0.35 72
IV.MMO1.EHZ. 2023-04-26T03:11:06.32 3.0 negative manual Pn -0.06 0
IV.NARO.HHZ. 2023-04-26T03:11:05.42 0.6 undecidable manual P 333 45.1215 128 0.41 45
IV.MPAG.EHZ. 2023-04-26T03:11:05.24 1.0 undecidable manual P 352 42.7239 130 0.46 22
IV.CSP1.EHZ. 2023-04-26T03:11:04.01 0.1 positive manual P 120 34.6431 137 -0.04 98
IV.PIEI.HHZ. 2023-04-26T03:11:04.74 0.6 undecidable manual P 323 40.0266 132 0.22 47
IV.SSFR.HHE. 2023-04-26T03:11:03.10 0.3 undecidable manual P 349 21.2676 152 0.01 76
IV.CESI.HHZ. 2023-04-26T03:11:03.50 0.1 positive manual P 168 27.5502 145 0 100
IV.ATSC.EHE. 2023-04-26T03:11:03.13 0.3 undecidable manual P 329 22.8549 150 -0.05 75
IV.FDMO.HHZ. 2023-04-26T03:11:03.54 0.6 positive manual P 139 31.1466 141 -0.23 48
IV.EL6.EHZ. 2023-04-26T03:11:03.02 0.6 positive manual P 67 23.3544 149 -0.2 49
IV.ARVD.HHZ. 2023-04-26T03:11:03.60 0.6 positive manual P 17 29.0487 143 -0.01 50
IV.FRON.EHN. 2023-04-26T03:11:03.71 0.3 undecidable manual P 344 31.1466 141 -0.06 74
IV.CING.HHZ. 2023-04-26T03:11:03.81 0.6 negative manual P 64 32.4453 140 -0.06 49
IV.ASSB.HHZ. 2023-04-26T03:11:03.90 0.6 undecidable manual P 212 26.8509 145 0.45 46
IV.SNTG.HHZ. 2023-04-26T03:11:02.13 0.3 undecidable manual P 85 8.5803 168 -0.42 71
IV.MML1.EHZ. 2023-04-26T03:11:02.69 0.3 positive manual P 143 18.6702 155 -0.25 73
IV.FOSV.EHE. 2023-04-26T03:11:02.19 0.3 undecidable manual P 311 7.881 169 -0.34 72
IV.ATCC.EHZ. 2023-04-26T03:10:54.96 3.0 undecidable manual P 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SNTG.HHN. ML:1.6 0.00010700000000000001 0.2 AML other m 2023-04-26T03:11:08.30
IV.SNTG.HHE. ML:1.4 0.00006155 0.14 AML other m 2023-04-26T03:11:08.48
IV.ARVD.HHN. ML:1.2 0.000032550000000000005 1.4 AML other m 2023-04-26T03:11:11.17
IV.PIEI.HHN. ML:1.0 0.00001815 1.58 AML other m 2023-04-26T03:11:13.00
IV.PIEI.HHE. ML:1.0 0.00002095 1.26 AML other m 2023-04-26T03:11:14.29
IV.ARVD.HHE. ML:1.2 0.0000335 0.42 AML other m 2023-04-26T03:11:21.24
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