Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 14-05-2023 and time 00:57:44 (Italy) in region 7 km SE Valtopina (PG)

A magnitude ML 1.2 earthquake occured in region: 7 km SE Valtopina (PG), on

  • 13-05-2023 22:57:44 (UTC)
  • 14-05-2023 00:57:44 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0110, 12.8180 at 8 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 12 8645 73037
Serravalle di Chienti MC 13 1070 74107
Monte Cavallo MC 15 145 74252
Trevi PG 16 8469 82721
Sellano PG 16 1079 83800
Assisi PG 18 28299 112099
Sefro MC 19 422 112521
Montefalco PG 19 5679 118200
Bevagna PG 19 5081 123281
Cannara PG 19 4305 127586
Pieve Torina MC 19 1458 129044

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)
82 Km W of Teramo (54892 inhabitants)
87 Km NW of L'Aquila (69753 inhabitants)
88 Km NE of Viterbo (67173 inhabitants)
88 Km SW of Ancona (100861 inhabitants)
91 Km SE of Arezzo (99543 inhabitants)
94 Km S of Fano (60888 inhabitants)
100 Km S of Pesaro (94582 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 2023-05-13
22:57:44		 43.0113 12.8177 8 2023-05-13
23:03:08		 Sala Sismica INGV-Roma 117330501
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-13 22:57:44 ± 0.04
Latitude 43.0113 ± 0.0018
Longitude 12.8177 ± 0.0025
Depth (km) 8 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 117330501

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 190
Semi-minor axis of confidence ellipse (meter) 157
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 195
Circular confidence region, given by single value of horizontal uncertainty (meter) 190.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 92
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.12
Epicentral distance of station closest to the epicenter (degree) 0.06385
Epicentral distance of station farthest from the epicenter (degree) 0.49463
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 22
Type of magnitude ML
Reference to an origin 117330501
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-13 23:03:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MMO1.EHZ. 2023-05-13T22:57:59.50 0.6 undecidable manual S 107 43.1235 50 0.26 45
IV.EL6.EHZ. 2023-05-13T22:57:58.86 0.6 undecidable manual S 33 42.1245 50 -0.1 47
IV.MURB.HHZ. 2023-05-13T22:57:57.68 0.6 undecidable manual S 320 36.6411 50 0.18 46
IV.CSP1.EHZ. 2023-05-13T22:57:56.56 0.6 undecidable manual S 74 32.6451 104 0.19 47
IV.NRCA.HHZ. 2023-05-13T22:57:55.65 0.6 undecidable manual S 129 31.1466 105 -0.22 46
IV.MOMA.HHZ. 2023-05-13T22:57:55.89 0.6 undecidable manual S 221 30.5472 105 0.22 46
IV.SNTG.HHZ. 2023-05-13T22:57:55.00 0.6 undecidable manual S 20 28.8489 106 -0.09 48
IV.ARVD.HHZ. 2023-05-13T22:57:54.72 0.1 undecidable manual P 10 54.9006 50 -0.17 90
IV.ATCC.EHZ. 2023-05-13T22:57:53.54 0.6 undecidable manual S 323 24.0537 109 0.02 49
IV.MURB.HHZ. 2023-05-13T22:57:52.11 0.6 undecidable manual P 320 36.6411 50 0.03 48
IV.FDMO.HHZ. 2023-05-13T22:57:52.92 0.6 undecidable manual S 83 22.0668 111 0.06 49
IV.MMO1.EHZ. 2023-05-13T22:57:52.99 0.1 undecidable manual P 107 43.1235 50 -0.09 93
IV.EL6.EHZ. 2023-05-13T22:57:52.87 0.1 undecidable manual P 33 42.1245 50 -0.05 94
IV.CSP1.EHZ. 2023-05-13T22:57:51.37 0.6 positive manual P 74 32.6451 104 -0.06 48
IV.MML1.EHZ. 2023-05-13T22:57:51.43 0.6 undecidable manual S 48 16.872 117 0.21 48
IV.MOMA.HHZ. 2023-05-13T22:57:51.31 1.0 positive manual P 221 30.5472 105 0.29 23
IV.SNTG.HHZ. 2023-05-13T22:57:50.68 0.6 undecidable manual P 20 28.8489 106 -0.01 49
IV.NRCA.HHZ. 2023-05-13T22:57:50.95 0.3 negative manual P 129 31.1466 105 -0.18 70
IV.ATCC.EHZ. 2023-05-13T22:57:49.86 0.3 positive manual P 323 24.0537 109 0.08 73
IV.FDMO.HHZ. 2023-05-13T22:57:49.57 0.6 positive manual P 83 22.0668 111 0.17 48
IV.ASSB.HHZ. 2023-05-13T22:57:49.88 0.6 undecidable manual S 285 13.3755 122 -0.27 47
IV.MML1.EHZ. 2023-05-13T22:57:48.66 1.0 positive manual P 48 16.872 117 0.21 24
IV.CESI.HHZ. 2023-05-13T22:57:48.38 0.6 undecidable manual S 96 7.0929 140 -0.11 49
IV.ASSB.HHZ. 2023-05-13T22:57:47.84 0.1 positive manual P 285 13.3755 122 0.01 100
IV.CESI.HHZ. 2023-05-13T22:57:46.98 1.0 undecidable manual P 96 7.0929 140 0.1 25
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHN. ML:1.3 0.0003145 0.3 AML other m 2023-05-13T22:57:48.79
IV.CESI.HHE. ML:1.0 0.000185 1.76 AML other m 2023-05-13T22:57:48.00
IV.ASSB.HHN. ML:1.4 0.0002485 0.44 AML other m 2023-05-13T22:57:50.22
IV.ASSB.HHE. ML:1.3 0.0002455 0.96 AML other m 2023-05-13T22:57:50.13
IV.MML1.EHN. ML:1.1 0.0001072 0.4 AML other m 2023-05-13T22:57:51.78
IV.MML1.EHE. ML:1.1 0.0001065 0.1 AML other m 2023-05-13T22:57:51.87
IV.FDMO.HHE. ML:0.9 0.000057799999999999995 0.26 AML other m 2023-05-13T22:57:53.83
IV.ATCC.EHN. ML:1.3 0.00011549999999999999 0.24 AML other m 2023-05-13T22:57:53.99
IV.ATCC.EHE. ML:1.3 0.000132 0.12 AML other m 2023-05-13T22:57:54.03
IV.FDMO.HHN. ML:0.9 0.0000482 0.74 AML other m 2023-05-13T22:57:54.44
IV.SNTG.HHE. ML:0.8 0.000035000000000000004 1.4 AML other m 2023-05-13T22:57:56.15
IV.MOMA.HHE. ML:1.1 0.0000596 0.22 AML other m 2023-05-13T22:57:56.33
IV.NRCA.HHN. ML:1.1 0.0000555 0.44 AML other m 2023-05-13T22:57:56.09
IV.CSP1.EHE. ML:1.6 0.00016399999999999997 0.2 AML other m 2023-05-13T22:57:57.06
IV.SNTG.HHN. ML:0.8 0.000029449999999999998 0.9 AML other m 2023-05-13T22:57:57.64
IV.MOMA.HHN. ML:1.0 0.0000427 0.3 AML other m 2023-05-13T22:57:57.86
IV.CSP1.EHN. ML:1.5 0.000136 0.94 AML other m 2023-05-13T22:57:57.48
IV.MURB.HHN. ML:1.6 0.00013900000000000002 0.26 AML other m 2023-05-13T22:57:58.64
IV.MURB.HHE. ML:1.7 0.00019350000000000001 0.18 AML other m 2023-05-13T22:57:58.66
IV.EL6.EHE. ML:1.6 0.000117705 0.48 AML other m 2023-05-13T22:57:59.45
IV.EL6.EHN. ML:1.6 0.0001167 0.18 AML other m 2023-05-13T22:57:59.54
IV.NRCA.HHE. ML:1.1 0.0000586 0.12 AML other m 2023-05-13T22:57:59.64
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