Earthquake with magnitude of ML 0.9 on date 19-05-2023 and time 21:59:23 (Italy) in region 2 km SE Foligno (PG)

A magnitude ML 0.9 earthquake occured in region: 2 km SE Foligno (PG), on

  • 19-05-2023 19:59:23 (UTC)
  • 19-05-2023 21:59:23 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9440, 12.7240 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
Foligno PG 2 57155 57155
Spello PG 7 8645 65800
Trevi PG 8 8469 74269
Montefalco PG 8 5679 79948
Bevagna PG 9 5081 85029
Cannara PG 13 4305 89334
Valtopina PG 13 1398 90732
Castel Ritaldi PG 14 3278 94010
Gualdo Cattaneo PG 14 6155 100165
Campello sul Clitunno PG 14 2442 102607
Assisi PG 17 28299 130906
Giano dell'Umbria PG 17 3846 134752
Sellano PG 18 1079 135831
Nocera Umbra PG 20 5839 141670
Bastia Umbra PG 20 21874 163544

Municipalities with at least 50000 inhabitants

An earthquake occurred to
2 Km SE of Foligno (57155 inhabitants)
33 Km SE of Perugia (166134 inhabitants)
43 Km N of Terni (111501 inhabitants)
77 Km NE of Viterbo (67173 inhabitants)
86 Km NW of L'Aquila (69753 inhabitants)
86 Km W of Teramo (54892 inhabitants)
90 Km SE of Arezzo (99543 inhabitants)
99 Km SW of Ancona (100861 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 0.9 2023-05-19
19:59:23
42.9437 12.7243 10 2023-05-19
20:06:18
Sala Sismica INGV-Roma 117501741
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-19 19:59:23 ± 0.08
Latitude 42.9437 ± 0.0054
Longitude 12.7243 ± 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 117501741

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 687
Semi-minor axis of confidence ellipse (meter) 503
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 295
Circular confidence region, given by single value of horizontal uncertainty (meter) 690.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 115
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.10972
Epicentral distance of station farthest from the epicenter (degree) 0.47394
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 117501741
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-19 20:06:18
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EL6.EHZ. 2023-05-19T19:59:41.13 0.6 undecidable manual S 35 52.6029 50 0.48 43
IV.CSP1.EHZ. 2023-05-19T19:59:38.40 0.3 undecidable manual S 67 42.3243 50 0.49 65
IV.MML1.EHZ. 2023-05-19T19:59:33.68 0.6 undecidable manual S 47 27.5502 50 -0.28 47
IV.EL6.EHZ. 2023-05-19T19:59:33.48 1.0 undecidable manual P 35 52.6029 50 -0.13 23
IV.CSP1.EHZ. 2023-05-19T19:59:31.87 0.3 undecidable manual P 67 42.3243 50 -0.16 70
IV.MOMA.HHZ. 2023-05-19T19:59:31.93 0.3 undecidable manual S 219 19.9689 117 0.16 73
IV.NRCA.HHZ. 2023-05-19T19:59:30.41 0.1 undecidable manual P 111 33.9438 50 -0.33 92
IV.CESI.HHZ. 2023-05-19T19:59:30.53 0.6 undecidable manual S 65 16.1727 123 -0.09 50
IV.ASSB.HHZ. 2023-05-19T19:59:29.37 0.3 undecidable manual S 334 12.1767 130 -0.15 74
IV.MML1.EHZ. 2023-05-19T19:59:29.65 0.1 undecidable manual P 47 27.5502 50 -0.1 97
IV.ATCC.EHZ. 2023-05-19T19:59:29.67 0.6 undecidable manual P 346 27.6501 50 -0.09 49
IV.MOMA.HHZ. 2023-05-19T19:59:28.52 0.3 undecidable manual P 219 19.9689 117 0.04 75
IV.CESI.HHZ. 2023-05-19T19:59:27.94 0.1 undecidable manual P 65 16.1727 123 0.12 99
IV.ASSB.HHZ. 2023-05-19T19:59:27.27 0.1 undecidable manual P 334 12.1767 130 0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ASSB.HHN. ML:1.0 0.000118 0.46 AML other m 2023-05-19T19:59:29.76
IV.ASSB.HHE. ML:1.1 0.000131 0.96 AML other m 2023-05-19T19:59:29.58
IV.CESI.HHE. ML:0.5 0.00003235000000000001 1.48 AML other m 2023-05-19T19:59:30.93
IV.CESI.HHN. ML:0.8 0.000060899999999999996 0.28 AML other m 2023-05-19T19:59:31.45
IV.NRCA.HHN. ML:0.9 0.00003535 0.82 AML other m 2023-05-19T19:59:36.78
IV.NRCA.HHE. ML:0.9 0.00003375 1.84 AML other m 2023-05-19T19:59:37.07
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