Earthquake with magnitude of ML 1.1 on date 13-05-2023 and time 00:25:45 (Italy) in region 8 km W Gualdo Tadino (PG)

A magnitude ML 1.1 earthquake occured in region: 8 km W Gualdo Tadino (PG), on

  • 12-05-2023 22:25:45 (UTC)
  • 13-05-2023 00:25:45 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.2460, 12.6870 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
Gualdo Tadino PG 8 15208 15208
Fossato di Vico PG 8 2840 18048
Sigillo PG 11 2404 20452
Valfabbrica PG 12 3389 23841
Costacciaro PG 13 1216 25057
Gubbio PG 15 32216 57273
Nocera Umbra PG 17 5839 63112
Scheggia e Pascelupo PG 18 1393 64505

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km NE of Perugia (166134 inhabitants)
32 Km N of Foligno (57155 inhabitants)
70 Km E of Arezzo (99543 inhabitants)
72 Km SW of Fano (60888 inhabitants)
76 Km N of Terni (111501 inhabitants)
76 Km S of Pesaro (94582 inhabitants)
79 Km SW of Ancona (100861 inhabitants)
91 Km S of Rimini (147750 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 1.1 2023-05-12
22:25:45
43.2457 12.6872 10 2023-05-12
22:47:36
Sala Sismica INGV-Roma 117302521
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-12 22:25:45 ± 0.09
Latitude 43.2457 ± 0.0036
Longitude 12.6872 ± 0.0099
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 117302521

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 767
Semi-minor axis of confidence ellipse (meter) 348
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 107
Circular confidence region, given by single value of horizontal uncertainty (meter) 770.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 166
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 18
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) 0.27339
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.4
Num. used stations 12
Type of magnitude ML
Reference to an origin 117302521
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-12 22:47:36
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MF5.EHZ. 2023-05-12T22:26:02.80 3.0 undecidable manual S -3.05 0
IV.TERO.HHZ. 2023-05-12T22:26:01.87 3.0 undecidable manual P 0.38 0
IV.CAMP.HHZ. 2023-05-12T22:26:00.44 3.0 undecidable manual P -0.67 0
IV.RM33.EHZ. 2023-05-12T22:26:00.63 3.0 positive manual P 0.21 0
IV.FDMO.HHZ. 2023-05-12T22:25:59.91 3.0 undecidable manual S 2.3 0
IV.SMA1.EHZ. 2023-05-12T22:25:58.83 3.0 undecidable manual P -0.63 0
IV.ATBU.HNE. 2023-05-12T22:25:56.60 0.3 undecidable manual S 336 27.8499 50 0.69 61
IV.FRON.EHE. 2023-05-12T22:25:56.46 0.6 undecidable manual S 6 30.3474 50 -0.11 48
IV.ATVO.HHZ. 2023-05-12T22:25:55.47 0.6 undecidable manual S 304 27.2505 50 -0.28 46
IV.ASSB.HHZ. 2023-05-12T22:25:54.42 0.6 undecidable manual S 186 22.6551 113 0.17 48
IV.SSFR.HHZ. 2023-05-12T22:25:54.11 0.6 undecidable manual S 20 22.4553 113 -0.11 48
IV.ATSC.EHN. 2023-05-12T22:25:53.21 0.6 undecidable manual S 360 19.7691 116 -0.15 48
IV.ATBU.HNE. 2023-05-12T22:25:51.39 0.1 undecidable manual P 336 27.8499 50 -0.21 94
IV.FRON.EHE. 2023-05-12T22:25:51.88 0.1 undecidable manual P 6 30.3474 50 -0.1 95
IV.MURB.HHZ. 2023-05-12T22:25:51.50 0.6 undecidable manual S 278 13.2756 126 0.08 49
IV.ATVO.HHZ. 2023-05-12T22:25:51.27 0.6 undecidable manual P 304 27.2505 50 -0.23 47
IV.ASSB.HHZ. 2023-05-12T22:25:50.67 0.3 undecidable manual P 186 22.6551 113 0.03 74
IV.SSFR.HHZ. 2023-05-12T22:25:50.76 0.6 positive manual P 20 22.4553 113 0.14 48
IV.ATSC.EHN. 2023-05-12T22:25:50.27 0.1 undecidable manual P 360 19.7691 116 0.15 96
IV.ATCC.EHZ. 2023-05-12T22:25:49.81 0.6 undecidable manual S 210 7.6812 142 -0.2 49
IV.ATCC.EHZ. 2023-05-12T22:25:48.26 0.1 positive manual P 210 7.6812 142 0.06 100
IV.MURB.HHZ. 2023-05-12T22:25:48.95 1.0 negative manual P 278 13.2756 126 -0.05 25
IV.ATFO.HHE. 2023-05-12T22:25:43.00 0.1 undecidable manual P 16.3725 -6.52 0
IV.FOSV.EHZ. 2023-05-12T22:25:38.09 0.1 undecidable manual P 8.0808 -9.99 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATCC.EHN. ML:0.9 0.00012859999999999998 0.1 AML other m 2023-05-12T22:25:50.28
IV.ATCC.EHE. ML:1.1 0.0001835 0.24 AML other m 2023-05-12T22:25:50.28
IV.MURB.HHE. ML:1.2 0.00017999999999999998 0.24 AML other m 2023-05-12T22:25:52.19
IV.MURB.HHN. ML:1.1 0.0001385 0.34 AML other m 2023-05-12T22:25:52.02
IV.ASSB.HHE. ML:0.8 0.00003895 1.58 AML other m 2023-05-12T22:25:54.00
IV.SSFR.HHE. ML:0.6 0.00002495 0.68 AML other m 2023-05-12T22:25:54.56
IV.SSFR.HHN. ML:0.6 0.0000262 0.84 AML other m 2023-05-12T22:25:55.91
IV.ASSB.HHN. ML:0.7 0.00003125 0.42 AML other m 2023-05-12T22:25:55.80
IV.SMA1.EHE. ML:1.7 0.00006675000000000001 0.22 AML other m 2023-05-12T22:26:01.29
IV.SMA1.EHN. ML:1.6 0.0000441 1.28 AML other m 2023-05-12T22:26:01.12
IV.RM33.EHN. ML:1.4 0.000032500000000000004 1.24 AML other m 2023-05-12T22:26:04.06
IV.RM33.EHE. ML:1.6 0.000039750000000000004 1.22 AML other m 2023-05-12T22:26:05.11
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