Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 15-05-2023 and time 03:53:32 (Italy) in region 7 km SE Valtopina (PG)

A magnitude ML 1.4 earthquake occured in region: 7 km SE Valtopina (PG), on

  • 15-05-2023 01:53:32 (UTC)
  • 15-05-2023 03:53:32 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0120, 12.8090 at 9 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
Valtopina PG 7 1398 1398
Foligno PG 11 57155 58553
Nocera Umbra PG 11 5839 64392
Spello PG 11 8645 73037
Serravalle di Chienti MC 14 1070 74107
Trevi PG 16 8469 82576
Monte Cavallo MC 16 145 82721
Sellano PG 17 1079 83800
Assisi PG 17 28299 112099
Montefalco PG 18 5679 117778
Cannara PG 18 4305 122083
Bevagna PG 18 5081 127164
Sefro MC 19 422 127586

Municipalities with at least 50000 inhabitants

An earthquake occurred to
11 Km NE of Foligno (57155 inhabitants)
36 Km E of Perugia (166134 inhabitants)
52 Km N of Terni (111501 inhabitants)
83 Km W of Teramo (54892 inhabitants)
88 Km NE of Viterbo (67173 inhabitants)
88 Km NW of L'Aquila (69753 inhabitants)
89 Km SW of Ancona (100861 inhabitants)
91 Km SE of Arezzo (99543 inhabitants)
94 Km S of Fano (60888 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 1.4 2023-05-15
01:53:32		 43.0118 12.8087 9 2023-05-15
02:00:55		 Sala Sismica INGV-Roma 117367181
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-15 01:53:32 ± 0.06
Latitude 43.0118 ± 0.0036
Longitude 12.8087 ± 0.0025
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 117367181

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 406
Semi-minor axis of confidence ellipse (meter) 93
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 16
Circular confidence region, given by single value of horizontal uncertainty (meter) 410.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 66
Number of associated phases, regardless of their use for origin computation 37
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.13
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.38221
Number of stations at which the event was observed 30
Number of stations from which data was used for origin computation 13
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 62
Type of magnitude ML
Reference to an origin 117367181
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-15 02:00:55
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MTRZ.HHZ. 2023-05-15T01:54:02.99 3.0 positive manual Pn 1.45 0
IV.FRON.EHZ. 2023-05-15T01:53:51.31 3.0 undecidable manual S -0.44 0
IV.ARVD.HHZ. 2023-05-15T01:53:51.32 3.0 undecidable manual S 0.01 0
IV.NARO.HHZ. 2023-05-15T01:53:45.28 3.0 undecidable manual P -0.27 0
IV.ARVD.HHZ. 2023-05-15T01:53:43.05 3.0 negative manual P -0.17 0
IV.MF5.EHZ. 2023-05-15T01:53:43.31 3.0 negative manual P 0.44 0
IV.ATMI.HHZ. 2023-05-15T01:53:43.77 3.0 negative manual P 0.3 0
IV.ARRO.EHZ. 2023-05-15T01:53:42.00 3.0 positive manual P 0 0
IV.CING.HHZ. 2023-05-15T01:53:42.92 3.0 negative manual P 0.35 0
IV.ATVO.HHZ. 2023-05-15T01:53:42.58 3.0 undecidable manual P -0.2 0
IV.EL6.EHZ. 2023-05-15T01:53:41.09 0.6 negative manual P 34 42.4242 50 -0.05 47
IV.ATFO.HHZ. 2023-05-15T01:53:41.38 3.0 positive manual P 0.03 0
IV.FDMO.HHZ. 2023-05-15T01:53:41.46 0.6 undecidable manual S 83 22.755 112 0.01 49
IV.LNSS.HHZ. 2023-05-15T01:53:41.99 3.0 negative manual P -0.19 0
IV.ATCC.EHZ. 2023-05-15T01:53:41.93 0.3 undecidable manual S 325 23.5542 111 0.22 71
IV.MMO1.EHZ. 2023-05-15T01:53:41.28 3.0 negative manual P -0.07 0
IV.GUMA.HHZ. 2023-05-15T01:53:41.51 3.0 negative manual P 0.28 0
IV.MURB.HHZ. 2023-05-15T01:53:40.08 3.0 positive manual P 0.01 0
IV.GAVE.EHE. 2023-05-15T01:53:40.25 0.6 undecidable manual P 169 36.1416 50 0.08 48
IV.MML1.EHZ. 2023-05-15T01:53:39.75 0.3 undecidable manual S 49 17.3715 118 0 75
IV.FOSV.EHZ. 2023-05-15T01:53:39.32 0.6 positive manual P 353 31.6461 50 -0.15 47
IT.MTCL.HGZ. 2023-05-15T01:53:39.49 0.6 undecidable manual S 97 15.5733 120 0.27 47
IV.MOMA.HHZ. 2023-05-15T01:53:39.24 3.0 positive manual P 0.23 0
IT.GNU.HGE. 2023-05-15T01:53:39.30 1.0 undecidable manual P 220 30.1476 50 0.05 24
IV.CSP1.EHZ. 2023-05-15T01:53:39.62 0.6 positive manual P 74 33.3444 50 -0.11 47
IV.NRCA.HHZ. 2023-05-15T01:53:39.20 3.0 negative manual P -0.1 0
IV.SNTG.HHZ. 2023-05-15T01:53:38.89 3.0 undecidable manual P 0.01 0
IV.ASSB.HHZ. 2023-05-15T01:53:38.25 0.6 undecidable manual S 286 12.5763 126 -0.1 49
IV.ATCC.EHZ. 2023-05-15T01:53:37.99 0.1 negative manual P 325 23.5542 111 -0.01 98
IV.FEMA.HNZ. 2023-05-15T01:53:37.46 1.0 undecidable manual P 106 20.3685 114 0.05 25
IV.FIU1.HNZ. 2023-05-15T01:53:37.65 1.0 undecidable manual P 27 21.9669 113 -0.06 24
IT.MTCL.HGZ. 2023-05-15T01:53:37.02 0.6 undecidable manual P 97 15.5733 120 0.46 45
IV.FDMO.HHZ. 2023-05-15T01:53:37.78 0.6 positive manual P 83 22.755 112 -0.07 49
IV.ASSB.HHZ. 2023-05-15T01:53:36.03 0.1 negative manual P 286 12.5763 126 -0.03 100
IV.MML1.EHZ. 2023-05-15T01:53:36.86 0.6 positive manual P 49 17.3715 118 -0.01 50
IV.CESI.HHZ. 2023-05-15T01:53:36.85 0.3 undecidable manual S 96 7.7811 140 -0.27 72
IV.CESI.HHZ. 2023-05-15T01:53:35.23 0.6 undecidable manual P 96 7.7811 140 -0.12 50
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ASSB.HHE. ML:1.5 0.000375 0.14 AML other m 2023-05-15T01:53:38.34
IV.ASSB.HHN. ML:1.6 0.00040265755000000003 0.2 AML other m 2023-05-15T01:53:38.43
IV.MML1.EHN. ML:1.2 0.00014371775 0.08 AML other m 2023-05-15T01:53:39.99
IV.MML1.EHE. ML:1.4 0.000206 0.1 AML other m 2023-05-15T01:53:40.03
IV.FDMO.HHE. ML:1.1 0.00007485 0.2 AML other m 2023-05-15T01:53:42.07
IV.ATCC.EHE. ML:1.6 0.0002751818 0.1216 AML other m 2023-05-15T01:53:42.23
IV.ATCC.EHN. ML:1.7 0.0003053059 0.2208 AML other m 2023-05-15T01:53:42.18
IV.FDMO.HHN. ML:1.0 0.00006469999999999999 0.68 AML other m 2023-05-15T01:53:43.71
IV.SNTG.HHN. ML:1.1 0.00006241595999999999 0.1408 AML other m 2023-05-15T01:53:45.92
IV.SNTG.HHE. ML:1.0 0.0000543 0.1 AML other m 2023-05-15T01:53:44.36
IV.MOMA.HHN. ML:1.0 0.00004720000000000001 1.04 AML other m 2023-05-15T01:53:44.42
IV.NRCA.HHE. ML:1.6 0.0001655 0.16 AML other m 2023-05-15T01:53:44.64
IV.NRCA.HHN. ML:1.4 0.00010764111500000001 0.16 AML other m 2023-05-15T01:53:44.30
IV.MOMA.HHE. ML:1.3 0.00009135 0.92 AML other m 2023-05-15T01:53:45.68
IV.CSP1.EHE. ML:1.7 0.00019700000000000002 0.2 AML other m 2023-05-15T01:53:45.37
IV.FOSV.EHE. ML:0.9 0.000038629895 0.2592 AML other m 2023-05-15T01:53:46.32
IV.CSP1.EHN. ML:1.3 0.000094709995 0.2784 AML other m 2023-05-15T01:53:45.41
IV.MURB.HNN. ML:1.8 0.0002424944 0.2592 AML other m 2023-05-15T01:53:46.69
IV.MURB.HHN. ML:1.9 0.0003265 0.24 AML other m 2023-05-15T01:53:46.72
IV.MURB.HHE. ML:2.1 0.000443 0.22 AML other m 2023-05-15T01:53:46.86
IV.MURB.HNE. ML:2.0 0.0004255 0.2 AML other m 2023-05-15T01:53:46.87
IV.FOSV.EHN. ML:1.0 0.000050257395 0.4992 AML other m 2023-05-15T01:53:48.70
IV.LNSS.HHN. ML:1.3 0.0000562 0.4 AML other m 2023-05-15T01:53:50.46
IV.LNSS.HHE. ML:1.4 0.00007145 0.26 AML other m 2023-05-15T01:53:51.32
IV.MML1.HNE. ML:1.4 0.00019514425 0.0896 AML other m 2023-05-15T01:53:40.07
IV.MML1.HNN. ML:1.2 0.00013536946 0.08 AML other m 2023-05-15T01:53:39.98
IV.ATCC.HNE. ML:1.6 0.0002498879 0.1408 AML other m 2023-05-15T01:53:42.48
IV.ATCC.HNN. ML:1.7 0.0003520031 0.2608 AML other m 2023-05-15T01:53:42.20
IV.SNTG.HNE. ML:1.3 0.000102129175 0.44 AML other m 2023-05-15T01:53:38.86
IV.SNTG.HNN. ML:1.4 0.000121786385 0.9104 AML other m 2023-05-15T01:53:42.34
IV.NRCA.HNE. ML:1.5 0.00014465095 0.16 AML other m 2023-05-15T01:53:44.56
IV.NRCA.HNN. ML:1.4 0.00012617886000000002 0.1216 AML other m 2023-05-15T01:53:46.32
IV.MOMA.HNE. ML:1.3 0.000093812475 0.1904 AML other m 2023-05-15T01:53:44.44
IV.MOMA.HNN. ML:1.5 0.00015077959 1.0992 AML other m 2023-05-15T01:53:40.07
IV.FOSV.HNE. ML:1.3 0.000090482255 0.3696 AML other m 2023-05-15T01:53:48.15
IV.FOSV.HNN. ML:1.2 0.000079957325 0.64 AML other m 2023-05-15T01:53:46.79
IV.EL6.EHE. ML:1.8 0.00021264464299999998 0.24 AML other m 2023-05-15T01:53:48.52
IV.EL6.EHN. ML:2.0 0.00028325595 0.44 AML other m 2023-05-15T01:54:00.36
IV.ATFO.HNE. ML:1.6 0.0001273477 0.5792 AML other m 2023-05-15T01:53:49.16
IV.ATFO.HNN. ML:1.6 0.00011017243500000001 0.6304 AML other m 2023-05-15T01:53:55.19
IV.ATFO.HHE. ML:0.9 0.000023512945 0.28 AML other m 2023-05-15T01:53:48.71
IV.ATFO.HHN. ML:0.9 0.000027214375000000003 0.2 AML other m 2023-05-15T01:53:48.73
IV.GUMA.HHE. ML:1.3 0.000068156995 0.3792 AML other m 2023-05-15T01:53:51.78
IV.GUMA.HHN. ML:1.4 0.000078113825 0.5408 AML other m 2023-05-15T01:53:52.82
IV.GUMA.HNE. ML:1.6 0.00012994295 0.8496 AML other m 2023-05-15T01:53:41.68
IV.GUMA.HNN. ML:1.7 0.00014574747 0.8688 AML other m 2023-05-15T01:53:41.55
IV.LNSS.HNE. ML:1.7 0.00012898355 0.9104 AML other m 2023-05-15T01:53:48.27
IV.LNSS.HNN. ML:1.8 0.00015679009999999997 1 AML other m 2023-05-15T01:53:48.53
IV.ARRO.EHE. ML:0.9 0.000021282750000000002 0.2192 AML other m 2023-05-15T01:53:50.03
IV.ARRO.EHN. ML:1.0 0.00002777339 0.1808 AML other m 2023-05-15T01:53:52.22
IV.ATVO.HNE. ML:1.7 0.00012359965 0.8304 AML other m 2023-05-15T01:53:43.78
IV.ATVO.HNN. ML:1.7 0.00012848625 0.5408 AML other m 2023-05-15T01:53:53.01
IV.ATVO.HHE. ML:1.2 0.000038511495 0.2992 AML other m 2023-05-15T01:53:50.85
IV.ATVO.HHN. ML:1.0 0.000023845180000000002 0.32 AML other m 2023-05-15T01:53:51.13
IV.ARVD.HHE. ML:1.2 0.00003283245 0.2 AML other m 2023-05-15T01:53:51.71
IV.ARVD.HHN. ML:0.6 0.000012172091500000002 0.12 AML other m 2023-05-15T01:53:51.94
IV.MF5.EHE. ML:1.5 0.00007195046999999999 1.8192 AML other m 2023-05-15T01:54:05.08
IV.MF5.EHN. ML:1.4 0.000061580425 1.84 AML other m 2023-05-15T01:53:43.30
IV.ATMI.HHE. ML:1.2 0.000035922545000000004 0.5008 AML other m 2023-05-15T01:53:59.03
IV.ATMI.HHN. ML:1.0 0.000025188273 0.5008 AML other m 2023-05-15T01:54:02.80
IV.NARO.HHE. ML:0.5 0.00000396505595 45.8992 AML other m 2023-05-15T01:53:44.79
IV.NARO.HHN. ML:0.5 0.0000056587764 0.4592 AML other m 2023-05-15T01:54:12.51
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