Earthquake with magnitude of ML 1.5 on date 27-02-2023 and time 23:43:12 (UTC) in region 7 km N Valfabbrica (PG)

A magnitude ML 1.5 earthquake occured in region: 7 km N Valfabbrica (PG), on

  • 27-02-2023 23:43:12 (UTC)
  • 28-02-2023 00:43:12 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.2180, 12.5790 at 10 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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
Valfabbrica PG 7 3389 3389
Gubbio PG 15 32216 35605
Assisi PG 17 28299 63904
Gualdo Tadino PG 17 15208 79112
Bastia Umbra PG 17 21874 100986
Fossato di Vico PG 17 2840 103826
Sigillo PG 18 2404 106230
Costacciaro PG 19 1216 107446
Perugia PG 20 166134 273580

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km NE of Perugia (166134 inhabitants)
31 Km NW of Foligno (57155 inhabitants)
63 Km E of Arezzo (99543 inhabitants)
73 Km N of Terni (111501 inhabitants)
78 Km SW of Fano (60888 inhabitants)
82 Km SW of Pesaro (94582 inhabitants)
88 Km SW of Ancona (100861 inhabitants)
94 Km S of Rimini (147750 inhabitants)
97 Km NE of Viterbo (67173 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
Bulletin
Rev1000
ML 1.5 2023-02-27
23:43:12
43.2182 12.5787 10 2024-03-01
17:18:17
Bollettino Sismico Italiano INGV 122855031
Reviewed
Rev100
ML 1.5 2023-02-27
23:43:12
43.2177 12.5882 10 2023-02-27
23:52:19
Sala Sismica INGV-Roma 114869241
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-27 23:43:12 ± 0.05
Latitude 43.2182 ± 0.0027
Longitude 12.5787 ± 0.0037
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 122855031

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 374
Semi-minor axis of confidence ellipse (meter) 234
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 233
Circular confidence region, given by single value of horizontal uncertainty (meter) 370.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 124
Number of associated phases, regardless of their use for origin computation 42
Number of defining phases 35
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.54859
Number of stations at which the event was observed 26
Number of stations from which data was used for origin computation 19
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 122855031
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-11-06 15:08:48

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 114869241
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-02-27 23:52:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
OT.OT17.EHZ. 2023-02-27T23:44:22.62 3.0 undecidable manual Sn -0.47 0
GU.RORO.HHZ. 2023-02-27T23:44:20.67 3.0 undecidable manual Sn -9.99 0
IV.MSRU.HHZ. 2023-02-27T23:44:19.16 3.0 undecidable manual Pn -9.99 0
IV.MSSA.HHZ. 2023-02-27T23:44:13.16 3.0 undecidable manual Sg -1.03 0
IV.GATE.HHZ. 2023-02-27T23:44:08.49 3.0 undecidable manual Sn -9.99 0
IV.PAOL.HHZ. 2023-02-27T23:43:53.89 3.0 undecidable manual Pg 2.01 0
IV.EL6.EHZ. 2023-02-27T23:43:28.00 0.6 undecidable manual S 74 44.0226 50 0.54 42
IV.ARVD.HHZ. 2023-02-27T23:43:27.40 0.6 undecidable manual S 43 42.7239 50 0.29 45
IV.CESI.HHZ. 2023-02-27T23:43:25.40 0.6 undecidable manual S 132 35.4423 50 0.22 46
IV.PIEI.HHZ. 2023-02-27T23:43:25.20 0.6 undecidable manual S 354 35.4423 50 0.04 48
IV.MML1.EHZ. 2023-02-27T23:43:24.90 0.6 undecidable manual S 110 33.8439 50 0.15 47
IV.FRON.EHZ. 2023-02-27T23:43:24.90 0.6 undecidable manual S 20 35.3424 50 -0.24 46
IV.NRCA.HHZ. 2023-02-27T23:43:24.35 0.3 undecidable manual P 134 60.8946 50 0.41 64
IV.SNTG.HHZ. 2023-02-27T23:43:23.30 0.6 undecidable manual S 82 29.5482 50 -0.3 46
IV.SSFR.HHZ. 2023-02-27T23:43:23.10 0.6 undecidable manual S 34 29.2485 50 -0.42 45
IV.CSP1.EHZ. 2023-02-27T23:43:22.66 0.3 undecidable manual P 105 52.6029 50 -0.01 70
IV.EL6.EHZ. 2023-02-27T23:43:21.33 0.3 undecidable manual P 74 44.0226 50 -0.01 71
IV.ATVO.HHZ. 2023-02-27T23:43:21.50 0.6 undecidable manual S 323 22.8549 113 -0.13 48
IV.ARVD.HHZ. 2023-02-27T23:43:21.03 0.3 undecidable manual P 43 42.7239 50 -0.11 70
IV.ATVA.EHE. 2023-02-27T23:43:21.67 0.6 undecidable manual S 286 24.6531 112 -0.52 44
IV.ATLO.EHE. 2023-02-27T23:43:20.01 0.6 undecidable manual S 308 17.5713 119 0.04 50
IV.CESI.HHZ. 2023-02-27T23:43:20.02 0.3 undecidable manual P 132 35.4423 50 0 73
IV.ASSB.HHZ. 2023-02-27T23:43:20.60 0.6 undecidable manual S 162 20.5683 116 -0.28 47
IV.PIEI.HHZ. 2023-02-27T23:43:20.23 0.3 undecidable manual P 354 35.4423 50 0.21 70
IV.ATMI.HHZ. 2023-02-27T23:43:19.14 0.3 undecidable manual P 297 28.1496 50 0.23 70
IV.FOSV.EHZ. 2023-02-27T23:43:19.70 0.6 undecidable manual S 60 17.0718 120 -0.11 49
IV.FRON.EHZ. 2023-02-27T23:43:19.81 0.1 undecidable manual P 20 35.3424 50 -0.19 93
IV.MML1.EHZ. 2023-02-27T23:43:19.56 0.3 undecidable manual P 110 33.8439 50 -0.22 70
IV.ATFO.HHZ. 2023-02-27T23:43:19.80 0.6 undecidable manual S 358 16.4724 121 0.15 49
IV.SSFR.HHZ. 2023-02-27T23:43:18.87 0.1 undecidable manual P 34 29.2485 50 -0.2 94
IV.ATVA.EHE. 2023-02-27T23:43:18.22 0.3 undecidable manual P 286 24.6531 112 -0.08 73
IV.SNTG.HHZ. 2023-02-27T23:43:18.92 0.1 undecidable manual P 82 29.5482 50 -0.19 94
IV.ATFO.HHZ. 2023-02-27T23:43:17.15 0.3 undecidable manual P 358 16.4724 121 0.32 70
IV.ATVO.HHZ. 2023-02-27T23:43:17.98 0.3 undecidable manual P 323 22.8549 113 0 74
IV.ATLO.EHE. 2023-02-27T23:43:17.09 0.1 undecidable manual P 308 17.5713 119 0.08 98
IV.ASSB.HHZ. 2023-02-27T23:43:17.46 0.1 undecidable manual P 162 20.5683 116 -0.08 98
IV.MURB.HHZ. 2023-02-27T23:43:17.10 0.6 undecidable manual S 319 6.5934 146 0 51
IV.FOSV.EHZ. 2023-02-27T23:43:16.94 0.1 positive manual P 60 17.0718 120 0.01 100
IV.ATCC.EHZ. 2023-02-27T23:43:16.90 0.6 undecidable manual S 126 6.1938 148 -0.12 50
IV.ATCC.EHZ. 2023-02-27T23:43:15.41 0.1 undecidable manual P 126 6.1938 148 0.09 100
IV.MURB.HHZ. 2023-02-27T23:43:15.56 0.1 undecidable manual P 319 6.5934 146 0.2 98
IV.ARCI.HHZ. 2023-02-27T23:43:11.27 3.0 undecidable manual P -9.99 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATCC.HNN. ML:1.7 0.000783 1.78 AML other m 2023-02-27T23:43:16.03
IV.ATCC.EHN. ML:1.6 0.0007009999999999999 0.36 AML other m 2023-02-27T23:43:17.03
IV.ATCC.EHE. ML:1.6 0.0006919999999999999 0.26 AML other m 2023-02-27T23:43:17.13
IV.ATCC.HNE. ML:1.6 0.0007250000000000001 0.36 AML other m 2023-02-27T23:43:17.08
IV.MURB.HNN. ML:1.6 0.000642 0.2 AML other m 2023-02-27T23:43:17.46
IV.MURB.HHN. ML:1.6 0.0006725 0.26 AML other m 2023-02-27T23:43:17.50
IV.MURB.HNE. ML:1.9 0.0012150000000000002 0.36 AML other m 2023-02-27T23:43:17.37
IV.MURB.HHE. ML:1.9 0.0012599999999999998 0.38 AML other m 2023-02-27T23:43:17.55
IV.ASSB.HHN. ML:1.2 0.00010645 0.86 AML other m 2023-02-27T23:43:21.03
IV.SNTG.HHE. ML:1.2 0.00007255 0.46 AML other m 2023-02-27T23:43:22.00
IV.ASSB.HHE. ML:1.1 0.00010065000000000001 0.6 AML other m 2023-02-27T23:43:22.31
IV.SNTG.HHN. ML:1.2 0.00008675000000000001 0.42 AML other m 2023-02-27T23:43:23.80
IV.SSFR.HHE. ML:1.4 0.00012835 0.18 AML other m 2023-02-27T23:43:23.71
IV.SSFR.HHN. ML:1.4 0.000141 0.56 AML other m 2023-02-27T23:43:24.75
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