Earthquake with magnitude of ML 1.2 on date 27-05-2023 and time 22:03:16 (UTC) in region 7 km SE Valfabbrica (PG)

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

  • 27-05-2023 22:03:16 (UTC)
  • 28-05-2023 00:03:16 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1210, 12.6690 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
Assisi PG 7 28299 28299
Valfabbrica PG 7 3389 31688
Valtopina PG 10 1398 33086
Nocera Umbra PG 10 5839 38925
Bastia Umbra PG 11 21874 60799
Spello PG 14 8645 69444
Cannara PG 16 4305 73749
Gualdo Tadino PG 16 15208 88957
Foligno PG 19 57155 146112
Bettona PG 19 4367 150479

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km N of Foligno (57155 inhabitants)
23 Km E of Perugia (166134 inhabitants)
62 Km N of Terni (111501 inhabitants)
74 Km SE of Arezzo (99543 inhabitants)
85 Km SW of Fano (60888 inhabitants)
88 Km SW of Ancona (100861 inhabitants)
90 Km S of Pesaro (94582 inhabitants)
91 Km NE of Viterbo (67173 inhabitants)
99 Km NW of Teramo (54892 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 2023-05-27
22:03:16
43.1212 12.6687 11 2023-05-27
22:09:57
Sala Sismica INGV-Roma 117793021
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-27 22:03:16 ± 0.03
Latitude 43.1212 ± 0.0018
Longitude 12.6687 ± 0.0025
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 117793021

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 250
Semi-minor axis of confidence ellipse (meter) 175
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 245
Circular confidence region, given by single value of horizontal uncertainty (meter) 250.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 57
Number of associated phases, regardless of their use for origin computation 32
Number of defining phases 30
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.49373
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 21
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 24
Type of magnitude ML
Reference to an origin 117793021
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-27 22:09:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.OSSC.HHZ. 2023-05-27T22:03:51.54 3.0 undecidable manual S -2.6 0
IV.FDMO.HHZ. 2023-05-27T22:03:28.70 0.3 undecidable manual S 105 35.2425 50 0.16 70
IV.CAFI.HHZ. 2023-05-27T22:03:27.86 3.0 undecidable manual P -0.05 0
IV.NARO.HHZ. 2023-05-27T22:03:26.41 0.3 undecidable manual P 353 54.8007 50 -0.1 68
IV.ATFO.HHZ. 2023-05-27T22:03:26.79 0.3 undecidable manual S 344 28.3494 50 0.07 72
IV.MGAB.HNZ. 2023-05-27T22:03:26.02 0.6 undecidable manual P 243 50.7159 50 0.14 46
IV.CESI.HHZ. 2023-05-27T22:03:25.28 0.3 undecidable manual S 124 23.0547 50 -0.03 73
IV.NRCA.HHZ. 2023-05-27T22:03:25.67 0.3 negative manual P 131 48.2184 50 0.18 68
IV.MML1.EHZ. 2023-05-27T22:03:25.79 0.3 undecidable manual S 92 24.5532 50 0.08 72
IV.SNTG.HHZ. 2023-05-27T22:03:25.98 0.3 undecidable manual S 56 26.5512 50 -0.26 70
IV.ARVD.HHZ. 2023-05-27T22:03:25.36 0.3 negative manual P 28 47.2194 50 0.01 71
IV.PIEI.HHZ. 2023-05-27T22:03:25.33 0.6 undecidable manual P 347 47.2194 50 -0.01 47
IV.ATPI.EHZ. 2023-05-27T22:03:24.44 0.3 undecidable manual P 330 42.4242 50 -0.16 69
IV.MURB.HHZ. 2023-05-27T22:03:24.32 0.3 undecidable manual S 324 19.5693 118 0.04 74
IV.FOSV.EHZ. 2023-05-27T22:03:24.58 0.3 undecidable manual S 21 20.6682 117 -0.04 74
IV.EL6.EHZ. 2023-05-27T22:03:24.79 0.3 undecidable manual P 56 41.9247 50 0.26 68
IV.FDMO.HHZ. 2023-05-27T22:03:23.43 0.3 undecidable manual P 105 35.2425 50 -0.06 71
IV.SSFR.HHZ. 2023-05-27T22:03:23.52 0.3 negative manual P 15 36.1416 50 -0.11 71
IV.MOMA.HHZ. 2023-05-27T22:03:23.46 0.3 undecidable manual P 193 36.1416 50 -0.16 70
IV.ATVA.EHE. 2023-05-27T22:03:23.75 0.1 undecidable manual P 300 35.5422 50 0.2 92
IV.ATFO.HHZ. 2023-05-27T22:03:22.57 0.6 undecidable manual P 344 28.3494 50 0.14 47
IV.ATLO.HNE. 2023-05-27T22:03:22.55 0.3 undecidable manual P 316 30.1476 50 -0.16 71
IV.SNTG.HHZ. 2023-05-27T22:03:22.17 0.3 undecidable manual P 56 26.5512 50 0.02 73
IV.ATCC.EHZ. 2023-05-27T22:03:21.10 0.1 undecidable manual S 342 7.4814 145 0.06 100
IV.FOSV.EHZ. 2023-05-27T22:03:21.15 0.3 undecidable manual P 21 20.6682 117 -0.07 73
IV.ASSB.HHZ. 2023-05-27T22:03:21.11 0.3 undecidable manual S 185 8.7801 140 -0.21 73
IV.CESI.HHZ. 2023-05-27T22:03:21.52 0.6 positive manual P 124 23.0547 50 -0.09 48
IV.TSM1.DHE.01 2023-05-27T22:03:21.75 0.6 undecidable manual P 347 25.5522 50 -0.25 47
IV.MML1.EHZ. 2023-05-27T22:03:21.85 0.6 negative manual P 92 24.5532 50 0.01 49
IV.MURB.HHZ. 2023-05-27T22:03:20.99 0.1 negative manual P 324 19.5693 118 -0.03 98
IV.ATCC.EHZ. 2023-05-27T22:03:19.30 0.1 undecidable manual P 342 7.4814 145 0.14 98
IV.ASSB.HHZ. 2023-05-27T22:03:19.37 0.1 undecidable manual P 185 8.7801 140 0.06 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATCC.HNE. ML:1.6 0.0005695 0.4 AML other m 2023-05-27T22:03:21.18
IV.ASSB.HHN. ML:1.4 0.00036350000000000005 0.34 AML other m 2023-05-27T22:03:21.19
IV.ATCC.EHE. ML:1.7 0.0007099999999999999 0.4 AML other m 2023-05-27T22:03:21.19
IV.ATCC.HNN. ML:1.8 0.0008185 0.22 AML other m 2023-05-27T22:03:21.18
IV.ATCC.EHN. ML:1.7 0.0006535 0.2 AML other m 2023-05-27T22:03:21.19
IV.ASSB.HHE. ML:1.4 0.00035350000000000003 0.08 AML other m 2023-05-27T22:03:21.40
IV.FOSV.EHN. ML:1.3 0.00014500000000000003 1.64 AML other m 2023-05-27T22:03:24.01
IV.FOSV.EHE. ML:1.4 0.000199 0.2 AML other m 2023-05-27T22:03:24.80
IV.CESI.HHE. ML:0.8 0.0000383 0.8 AML other m 2023-05-27T22:03:25.39
IV.MML1.EHN. ML:1.0 0.00006209999999999999 0.16 AML other m 2023-05-27T22:03:25.97
IV.MML1.EHE. ML:0.8 0.000037699999999999995 0.2 AML other m 2023-05-27T22:03:26.33
IV.SNTG.HHE. ML:1.2 0.00008015 0.54 AML other m 2023-05-27T22:03:26.54
IV.CESI.HHN. ML:0.8 0.000039349999999999994 0.4 AML other m 2023-05-27T22:03:26.44
IV.SNTG.HHN. ML:1.0 0.00005135 0.56 AML other m 2023-05-27T22:03:27.30
IV.ATFO.HHN. ML:1.2 0.00009049999999999999 1.76 AML other m 2023-05-27T22:03:27.90
IV.ATFO.HHE. ML:1.1 0.00006890000000000001 0.2 AML other m 2023-05-27T22:03:27.34
IV.FDMO.HHE. ML:0.8 0.0000262 0.14 AML other m 2023-05-27T22:03:29.24
IV.SSFR.HHE. ML:1.4 0.00011199999999999998 1.14 AML other m 2023-05-27T22:03:29.38
IV.SSFR.HHN. ML:1.4 0.00010175 0.14 AML other m 2023-05-27T22:03:29.84
IV.FDMO.HHN. ML:0.8 0.000024399999999999997 0.72 AML other m 2023-05-27T22:03:30.55
IV.PIEI.HHE. ML:1.1 0.0000354 0.14 AML other m 2023-05-27T22:03:33.29
IV.PIEI.HHN. ML:1.0 0.00002765 0.26 AML other m 2023-05-27T22:03:33.36
IV.NRCA.HHE. ML:1.2 0.0000436 0.6 AML other m 2023-05-27T22:03:34.09
IV.NRCA.HHN. ML:1.2 0.0000393 0.66 AML other m 2023-05-27T22:03:35.25
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