Earthquake with magnitude of ML 1.2 on date 19-07-2023 and time 18:29:51 (UTC) in region 3 km N Castel Ritaldi (PG)

A magnitude ML 1.2 earthquake occured in region: 3 km N Castel Ritaldi (PG), on

  • 19-07-2023 18:29:51 (UTC)
  • 19-07-2023 20:29:51 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8530, 12.6770 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
Castel Ritaldi PG 3 3278 3278
Montefalco PG 5 5679 8957
Trevi PG 7 8469 17426
Giano dell'Umbria PG 8 3846 21272
Campello sul Clitunno PG 9 2442 23714
Bevagna PG 11 5081 28795
Gualdo Cattaneo PG 12 6155 34950
Foligno PG 12 57155 92105
Spoleto PG 14 38218 130323
Massa Martana PG 15 3770 134093
Spello PG 16 8645 142738
Cannara PG 18 4305 147043
Vallo di Nera PG 18 364 147407
Sant'Anatolia di Narco PG 19 564 147971
Scheggino PG 20 461 148432

Municipalities with at least 50000 inhabitants

An earthquake occurred to
12 Km S of Foligno (57155 inhabitants)
32 Km N of Terni (111501 inhabitants)
37 Km SE of Perugia (166134 inhabitants)
67 Km NE of Viterbo (67173 inhabitants)
81 Km NW of L'Aquila (69753 inhabitants)
87 Km W of Teramo (54892 inhabitants)
94 Km SE of Arezzo (99543 inhabitants)
95 Km N of Guidonia Montecelio (88673 inhabitants)
99 Km N of Tivoli (56533 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 2023-07-19
18:29:51
42.8527 12.6767 10 2023-07-19
18:38:53
Sala Sismica INGV-Roma 119406691
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-07-19 18:29:51 ± 0.05
Latitude 42.8527 ± 0.0027
Longitude 12.6767 ± 0.0086
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 119406691

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 655
Semi-minor axis of confidence ellipse (meter) 201
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 284
Circular confidence region, given by single value of horizontal uncertainty (meter) 650.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 117
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.35253
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 22
Type of magnitude ML
Reference to an origin 119406691
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-07-19 18:38:53
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
ST.RONC.HNZ. 2023-07-19T18:31:33.99 3.0 undecidable manual Sg 8.02 0
MN.TRI.HHZ. 2023-07-19T18:31:12.64 3.0 undecidable manual Sn -1.43 0
IV.PAOL.HHZ. 2023-07-19T18:30:59.77 3.0 undecidable manual Sn 0.99 0
GU.CARD.HHZ. 2023-07-19T18:30:57.43 3.0 undecidable manual Sg 7.47 0
GU.CARD.HHZ. 2023-07-19T18:30:28.28 3.0 undecidable manual Pg 4.08 0
IV.NARO.HHZ. 2023-07-19T18:30:16.74 3.0 undecidable manual S -1.03 0
IV.FIAM.HHZ. 2023-07-19T18:30:14.38 3.0 undecidable manual S -1.52 0
IV.TERO.HHZ. 2023-07-19T18:30:13.36 3.0 undecidable manual S -4.22 0
IV.RM33.EHZ. 2023-07-19T18:30:11.81 3.0 undecidable manual S 0.62 0
IV.SMA1.EHZ. 2023-07-19T18:30:11.80 3.0 undecidable manual S 0.36 0
IV.ATCC.EHZ. 2023-07-19T18:30:04.28 0.6 undecidable manual S 355 37.0296 50 0.55 43
IV.MML1.EHZ. 2023-07-19T18:30:03.76 0.6 undecidable manual S 40 37.5291 50 -0.12 47
IV.ARRO.EHZ. 2023-07-19T18:30:02.52 0.3 undecidable manual S 167 31.1466 50 0.34 68
IV.CESX.HHZ. 2023-07-19T18:30:01.14 0.3 undecidable manual S 195 28.0497 50 -0.21 70
IV.RM33.EHZ. 2023-07-19T18:30:01.75 3.0 negative manual P -0.67 0
IV.CSP1.EHZ. 2023-07-19T18:30:01.03 3.0 positive manual P 0.18 0
IV.CESI.HHZ. 2023-07-19T18:30:00.55 0.3 undecidable manual S 48 25.0527 50 0 74
IV.GAVE.EHZ. 2023-07-19T18:30:00.65 0.3 undecidable manual S 135 25.1526 50 0.09 73
IV.ASSB.HHZ. 2023-07-19T18:29:59.51 0.3 undecidable manual S 356 21.1677 116 0.09 73
IV.ATCC.EHZ. 2023-07-19T18:29:58.38 0.1 undecidable manual P 355 37.0296 50 -0.08 95
IV.FDMO.HHZ. 2023-07-19T18:29:58.61 0.1 undecidable manual P 58 39.1275 50 -0.17 93
IV.NRCA.HHZ. 2023-07-19T18:29:58.32 0.1 undecidable manual P 93 35.6421 50 0.07 95
IV.MML1.EHZ. 2023-07-19T18:29:58.22 0.3 undecidable manual P 40 37.5291 50 -0.32 68
IV.ARRO.EHZ. 2023-07-19T18:29:57.68 0.1 undecidable manual P 167 31.1466 50 0.12 95
IV.GAVE.EHZ. 2023-07-19T18:29:56.60 0.1 undecidable manual P 135 25.1526 50 -0.02 98
IV.CESX.HHZ. 2023-07-19T18:29:56.85 0.1 undecidable manual P 195 28.0497 50 -0.23 93
IV.CESI.HHZ. 2023-07-19T18:29:56.70 0.1 undecidable manual P 48 25.0527 50 0.09 97
IT.GNU.HGE. 2023-07-19T18:29:56.33 0.3 undecidable manual S 238 10.1787 136 0.02 75
IV.ASSB.HHZ. 2023-07-19T18:29:55.94 0.1 positive manual P 356 21.1677 116 -0.03 99
IT.GNU.HGE. 2023-07-19T18:29:54.22 0.1 undecidable manual P 238 10.1787 136 0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ASSB.HHN. ML:1.4 0.00015949999999999997 0.18 AML other m 2023-07-19T18:30:00.00
IV.ASSB.HHE. ML:1.3 0.00014050000000000003 0.32 AML other m 2023-07-19T18:30:00.09
IV.GAVE.EHE. ML:1.2 0.00009765 0.56 AML other m 2023-07-19T18:30:01.72
IV.GAVE.EHN. ML:1.3 0.00011175 0.5 AML other m 2023-07-19T18:30:02.30
IV.CESX.HHN. ML:1.4 0.0001395 0.46 AML other m 2023-07-19T18:30:02.36
IV.CESX.HHE. ML:1.2 0.00008115 0.32 AML other m 2023-07-19T18:30:02.83
IV.ARRO.EHN. ML:1.2 0.00006645 1.1 AML other m 2023-07-19T18:30:03.01
IV.ATCC.EHE. ML:1.3 0.00007139999999999999 0.34 AML other m 2023-07-19T18:30:04.73
IV.NRCA.HHE. ML:1.2 0.00006809999999999999 0.12 AML other m 2023-07-19T18:30:05.18
IV.ARRO.EHE. ML:1.1 0.000052699999999999993 0.86 AML other m 2023-07-19T18:30:05.22
IV.ATCC.EHN. ML:1.2 0.00005824999999999999 0.34 AML other m 2023-07-19T18:30:05.08
IV.FDMO.HHN. ML:0.9 0.000032 1.22 AML other m 2023-07-19T18:30:05.97
IV.MML1.EHN. ML:1.0 0.000041299999999999994 0.1 AML other m 2023-07-19T18:30:05.44
IV.NRCA.HHN. ML:1.2 0.0000585 0.1 AML other m 2023-07-19T18:30:05.73
IV.FDMO.HHE. ML:0.9 0.000028250000000000002 0.58 AML other m 2023-07-19T18:30:06.97
IV.MML1.EHE. ML:1.0 0.00003825 1.44 AML other m 2023-07-19T18:30:07.82
IV.RM33.EHN. ML:1.5 0.00007730000000000001 0.22 AML other m 2023-07-19T18:30:14.42
IV.RM33.EHE. ML:1.5 0.0000752 0.92 AML other m 2023-07-19T18:30:15.59
IV.SMA1.EHN. ML:1.2 0.0000332 0.34 AML other m 2023-07-19T18:30:16.62
IV.SMA1.EHE. ML:1.3 0.00004165 0.78 AML other m 2023-07-19T18:30:16.60
IV.NARO.HHE. ML:0.9 0.000011075 1.02 AML other m 2023-07-19T18:30:20.20
IV.NARO.HHN. ML:1.1 0.00001295 1.12 AML other m 2023-07-19T18:30:23.05
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