Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.7 on date 23-05-2024 and time 07:59:25 (UTC) in region 7 km W Sellano (PG)

A magnitude ML 0.7 earthquake occured in region: 7 km W Sellano (PG), on

  • 23-05-2024 07:59:25 (UTC)
  • 23-05-2024 09:59:25 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9210, 12.8500 at 11 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Sellano PG 7 1079 1079
Trevi PG 10 8469 9548
Foligno PG 13 57155 66703
Cerreto di Spoleto PG 13 1075 67778
Campello sul Clitunno PG 13 2442 70220
Monte Cavallo MC 15 145 70365
Preci PG 16 724 71089
Montefalco PG 16 5679 76768
Spello PG 17 8645 85413
Vallo di Nera PG 17 364 85777
Valtopina PG 17 1398 87175
Castel Ritaldi PG 18 3278 90453
Serravalle di Chienti MC 19 1070 91523
Visso MC 20 1107 92630
Bevagna PG 20 5081 97711

Municipalities with at least 50000 inhabitants

An earthquake occurred to
13 Km E of Foligno (57155 inhabitants)
43 Km E of Perugia (166134 inhabitants)
43 Km NE of Terni (111501 inhabitants)
76 Km W of Teramo (54892 inhabitants)
78 Km NW of L'Aquila (69753 inhabitants)
83 Km NE of Viterbo (67173 inhabitants)
95 Km SW of Ancona (100861 inhabitants)
99 Km SE of Arezzo (99543 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 2024-05-23
07:59:25		 42.921 12.8503 11 2024-05-23
08:05:01		 Sala Sismica INGV-Roma 128072911
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-05-23 07:59:25 ± 0.27
Latitude 42.9210 ± 0.0135
Longitude 12.8503 ± 0.0147
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 128072911

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1683
Semi-minor axis of confidence ellipse (meter) 938
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 31
Circular confidence region, given by single value of horizontal uncertainty (meter) 1680.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 197
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.21224
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 5
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.5
Num. used stations 12
Type of magnitude ML
Reference to an origin 128072911
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-05-23 08:05:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARCI.HHZ. 2024-05-23T07:59:45.74 3.0 undecidable manual S 0.14 0
IV.MML1.EHZ. 2024-05-23T07:59:34.30 0.6 undecidable manual S 25 23.5542 50 -0.18 52
IV.ASSB.HHN. 2024-05-23T07:59:34.18 0.6 undecidable manual S 311 20.5683 50 0.48 49
IV.NRCA.HHZ. 2024-05-23T07:59:34.25 0.6 undecidable manual S 114 23.5542 50 -0.24 51
IV.NRCA.HHZ. 2024-05-23T07:59:31.27 0.6 undecidable manual P 114 23.5542 50 0.5 48
IV.FDMO.HHZ. 2024-05-23T07:59:30.80 1.0 negative manual P 56 23.1546 50 0.1 26
IV.CESI.HHZ. 2024-05-23T07:59:30.99 0.6 undecidable manual S 25 10.2786 136 0.14 53
IV.MML1.EHZ. 2024-05-23T07:59:30.95 0.6 undecidable manual P 25 23.5542 50 0.19 52
IV.ASSB.HHN. 2024-05-23T07:59:29.95 0.1 undecidable manual P 311 20.5683 50 -0.36 100
IV.CESI.HHZ. 2024-05-23T07:59:28.47 0.6 undecidable manual P 25 10.2786 136 -0.19 53
IV.SACS.HHZ. 2024-05-23T07:59:27.92 3.0 undecidable manual P -0.79 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHE. ML:0.4 0.000031725875 0.08 AML other m 2024-05-23T07:59:31.41
IV.CESI.HHN. ML:0.4 0.0000312 0.16 AML other m 2024-05-23T07:59:31.66
IV.CESI.HNE. ML:0.9 0.00010664853499999999 0.94 AML other m 2024-05-23T07:59:41.17
IV.CESI.HNN. ML:0.9 0.000105928515 0.54 AML other m 2024-05-23T07:59:32.13
IV.MML1.EHE. ML:0.2 0.000011984991 0.16 AML other m 2024-05-23T07:59:34.73
IV.MML1.EHN. ML:0.2 0.0000109595055 0.18 AML other m 2024-05-23T07:59:34.75
IV.MML1.HNE. ML:1.3 0.0001243543 1.04 AML other m 2024-05-23T07:59:37.54
IV.MML1.HNN. ML:1.2 0.00010653178 0.76 AML other m 2024-05-23T07:59:31.71
IV.NRCA.HHE. ML:0.2 0.0000103774465 0.14 AML other m 2024-05-23T07:59:35.52
IV.NRCA.HHN. ML:0.2 0.000011536843500000002 0.08 AML other m 2024-05-23T07:59:34.38
IV.NRCA.HNE. ML:1.3 0.00013124534999999998 0.68 AML other m 2024-05-23T07:59:36.74
IV.NRCA.HNN. ML:1.4 0.00016074745 0.94 AML other m 2024-05-23T07:59:39.18
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