Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 27-02-2023 and time 19:48:48 (UTC) in region 6 km N Valfabbrica (PG)

A magnitude ML 1.2 earthquake occured in region: 6 km N Valfabbrica (PG), on

  • 27-02-2023 19:48:48 (UTC)
  • 27-02-2023 20:48:48 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.2170, 12.5850 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.

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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
Valfabbrica PG 7 3389 3389
Gubbio PG 15 32216 35605
Gualdo Tadino PG 16 15208 50813
Assisi PG 16 28299 79112
Fossato di Vico PG 17 2840 81952
Bastia Umbra PG 17 21874 103826
Sigillo PG 18 2404 106230
Costacciaro PG 19 1216 107446

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 1.2 2023-02-27
19:48:48		 43.2172 12.5852 10 2024-03-01
17:18:05		 Bollettino Sismico Italiano INGV 116767541
Reviewed
Rev100 		ML 1.5 2023-02-27
19:48:48		 43.212 12.5803 9 2023-02-27
19:58:57		 Sala Sismica INGV-Roma 114864901
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-27 19:48:48 ± 0.04
Latitude 43.2172 ± 0.0018
Longitude 12.5852 ± 0.0025
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 116767541

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 245
Semi-minor axis of confidence ellipse (meter) 127
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 226
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) 55
Number of associated phases, regardless of their use for origin computation 67
Number of defining phases 59
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.46405
Number of stations at which the event was observed 38
Number of stations from which data was used for origin computation 30
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 37
Type of magnitude ML
Reference to an origin 116767541
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-04-26 11:38:19

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 20
Type of magnitude ML
Reference to an origin 114864901
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-02-27 19:58:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
OX.SABO.HNZ. 2023-02-27T19:50:03.05 3.0 undecidable manual Sn -6.99 0
IV.SPS2.HHZ. 2023-02-27T19:49:59.65 3.0 negative manual Pg 12.57 0
IV.MCRV.HHZ. 2023-02-27T19:49:54.88 3.0 undecidable manual Sn -2.38 0
GU.CANO.HHZ. 2023-02-27T19:49:43.12 3.0 negative manual Pg 10.94 0
IV.TDS.HHZ. 2023-02-27T19:49:39.93 3.0 negative manual Pn -3.27 0
OX.MARN.HHZ. 2023-02-27T19:49:26.01 3.0 undecidable manual Pn -0.6 0
IV.CAFI.HHE. 2023-02-27T19:49:05.08 0.3 undecidable manual S 284 51.5151 50 0.29 67
IV.MOMA.HNZ. 2023-02-27T19:49:03.38 0.3 undecidable manual S 182 45.8208 50 0.1 70
IV.EL6.EHZ. 2023-02-27T19:49:03.19 0.6 undecidable manual S 73 43.5231 50 0.52 43
IV.FDMO.HHZ. 2023-02-27T19:49:03.57 0.3 undecidable manual S 116 45.3213 50 0.43 66
IV.ARVD.HHZ. 2023-02-27T19:49:02.50 0.3 undecidable manual S 43 42.4242 50 0.14 70
IV.NARO.HHZ. 2023-02-27T19:49:02.65 0.3 undecidable manual S 360 43.623 50 -0.05 71
IV.BADI.EHE. 2023-02-27T19:49:02.73 0.3 undecidable manual S 320 42.5241 50 0.33 67
IV.ATMC.EHE. 2023-02-27T19:49:01.90 0.3 undecidable manual S 309 40.626 50 0.01 72
IV.CESI.HHZ. 2023-02-27T19:49:00.59 0.3 undecidable manual S 132 34.9428 50 0.21 70
IV.PIEI.HHZ. 2023-02-27T19:49:00.52 0.6 undecidable manual S 353 35.5422 50 -0.01 49
IV.FRON.EHZ. 2023-02-27T19:48:59.96 0.3 undecidable manual S 19 35.2425 50 -0.48 66
IV.ATPC.HHE. 2023-02-27T19:48:59.57 0.3 undecidable manual S 341 31.0467 50 0.25 70
IV.ATPI.EHE. 2023-02-27T19:48:58.89 0.3 undecidable manual S 330 29.8479 50 -0.11 72
IV.ATBU.HNE. 2023-02-27T19:48:58.96 0.3 undecidable manual S 354 28.8489 50 0.22 71
IV.SSFR.HHZ. 2023-02-27T19:48:58.47 0.3 undecidable manual S 33 29.0487 50 -0.33 69
IV.SNTG.HHZ. 2023-02-27T19:48:58.67 0.3 undecidable manual S 82 29.0487 50 -0.12 72
IV.ATMI.HHE. 2023-02-27T19:48:58.63 0.3 undecidable manual S 297 28.749 50 -0.08 73
IV.ATSC.EHZ. 2023-02-27T19:48:57.08 0.3 undecidable manual S 20 24.3534 111 -0.21 71
IV.TB03.DH2.01 2023-02-27T19:48:57.50 0.3 undecidable manual S 325 24.8529 111 0.05 74
IV.CAFI.HHE. 2023-02-27T19:48:57.83 0.1 undecidable manual P 284 51.5151 50 0.04 94
IV.ATVA.EHN. 2023-02-27T19:48:57.13 0.3 undecidable manual S 286 25.1526 111 -0.43 68
IV.MGAB.HNE. 2023-02-27T19:48:57.49 0.6 undecidable manual P 229 51.1155 50 -0.24 45
IV.ATVO.HHZ. 2023-02-27T19:48:56.90 0.3 undecidable manual S 322 23.2545 112 -0.05 74
IV.EL6.EHZ. 2023-02-27T19:48:56.29 0.6 undecidable manual P 73 43.5231 50 -0.27 45
IV.FDMO.HHZ. 2023-02-27T19:48:56.62 0.3 undecidable manual P 116 45.3213 50 -0.22 69
IV.ARVD.HHZ. 2023-02-27T19:48:56.28 0.3 undecidable manual P 43 42.4242 50 -0.1 71
IV.NARO.HHZ. 2023-02-27T19:48:56.67 0.3 undecidable manual P 360 43.623 50 0.09 71
IV.TB01.DHE.01 2023-02-27T19:48:56.44 0.3 undecidable manual S 327 21.867 113 -0.06 74
IV.TB02.DHE.01 2023-02-27T19:48:56.58 0.3 undecidable manual S 320 22.1556 113 0 75
IV.ATMC.EHE. 2023-02-27T19:48:56.52 0.3 undecidable manual P 309 40.626 50 0.41 67
IV.BADI.EHE. 2023-02-27T19:48:56.87 0.3 undecidable manual P 320 42.5241 50 0.46 66
IV.MOMA.HNZ. 2023-02-27T19:48:56.76 0.3 undecidable manual P 182 45.8208 50 -0.16 69
IV.ATFO.HHZ. 2023-02-27T19:48:55.12 0.3 undecidable manual S 356 16.5723 120 0.26 72
IV.ASSB.HHZ. 2023-02-27T19:48:55.80 0.3 undecidable manual S 163 20.2686 115 -0.19 72
IV.CESI.HHZ. 2023-02-27T19:48:55.13 0.3 undecidable manual P 132 34.9428 50 -0.11 72
IV.ATLO.HNN. 2023-02-27T19:48:55.18 0.3 undecidable manual S 307 18.0708 118 -0.11 74
IV.PIEI.HHZ. 2023-02-27T19:48:55.43 0.3 undecidable manual P 353 35.5422 50 0.1 72
IV.ATMI.HHE. 2023-02-27T19:48:54.12 0.6 undecidable manual P 297 28.749 50 -0.16 48
IV.ATPC.HHE. 2023-02-27T19:48:54.72 0.1 undecidable manual P 341 31.0467 50 0.09 97
IV.ATPI.EHE. 2023-02-27T19:48:54.09 0.3 undecidable manual P 330 29.8479 50 -0.35 69
IV.FRON.EHZ. 2023-02-27T19:48:54.91 0.3 undecidable manual P 19 35.2425 50 -0.37 68
IV.FOSV.EHZ. 2023-02-27T19:48:54.93 0.3 undecidable manual S 59 16.6722 120 0.07 75
IV.ATBU.HNE. 2023-02-27T19:48:54.29 0.3 undecidable manual P 354 28.8489 50 -0.01 74
IV.SSFR.HHZ. 2023-02-27T19:48:54.08 0.1 undecidable manual P 33 29.0487 50 -0.25 94
IV.SNTG.HHZ. 2023-02-27T19:48:54.16 0.1 undecidable manual P 82 29.0487 50 -0.17 95
IV.ATVA.EHN. 2023-02-27T19:48:53.34 0.3 undecidable manual P 286 25.1526 111 -0.27 70
IV.ATSC.EHZ. 2023-02-27T19:48:53.44 0.1 undecidable manual P 20 24.3534 111 -0.02 99
IV.TB03.DH2.01 2023-02-27T19:48:53.71 0.3 undecidable manual P 325 24.8529 111 0.16 72
IV.TB01.DHE.01 2023-02-27T19:48:53.08 0.1 undecidable manual P 327 21.867 113 0.08 98
IV.FOSV.EHZ. 2023-02-27T19:48:52.16 0.1 positive manual P 59 16.6722 120 0.1 99
IV.TB02.DHE.01 2023-02-27T19:48:52.99 0.1 undecidable manual P 320 22.1556 113 -0.06 99
IV.ATLO.HNN. 2023-02-27T19:48:52.33 0.1 undecidable manual P 307 18.0708 118 0.02 100
IV.MMO1.EHZ. 2023-02-27T19:48:52.99 3.0 negative manual P -0.07 0
IV.RM33.HNZ. 2023-02-27T19:48:52.12 3.0 undecidable manual P -0.21 0
IV.ATVO.HHZ. 2023-02-27T19:48:52.99 0.1 undecidable manual P 322 23.2545 112 -0.27 94
IV.ATCC.EHZ. 2023-02-27T19:48:52.10 0.3 undecidable manual S 129 5.6943 149 0.05 76
IV.ATFO.HHZ. 2023-02-27T19:48:52.26 0.1 undecidable manual P 356 16.5723 120 0.2 97
IV.MURB.HHZ. 2023-02-27T19:48:52.49 0.3 undecidable manual S 316 7.0929 143 0.17 74
IV.ASSB.HHZ. 2023-02-27T19:48:52.65 0.1 undecidable manual P 163 20.2686 115 -0.06 99
IV.MURB.HHZ. 2023-02-27T19:48:50.82 0.1 undecidable manual P 316 7.0929 143 0.23 98
IV.ATCC.EHZ. 2023-02-27T19:48:50.66 0.1 negative manual P 129 5.6943 149 0.22 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATCC.HNN. ML:1.7 0.0008612276999999999 0.1792 AML other m 2023-02-27T19:48:52.84
IV.ATCC.EHN. ML:1.7 0.0008799566000000001 0.1792 AML other m 2023-02-27T19:48:52.29
IV.ATCC.HNE. ML:1.6 0.0006118133999999999 0.0896 AML other m 2023-02-27T19:48:52.34
IV.ATCC.EHE. ML:1.6 0.00077573245 0.1792 AML other m 2023-02-27T19:48:52.35
IV.FOSV.EHE. ML:0.9 0.00007004335 1.744 AML other m 2023-02-27T19:48:55.98
IV.FOSV.EHN. ML:0.9 0.00007245145 0.1536 AML other m 2023-02-27T19:48:55.78
IV.ATFO.HHN. ML:1.0 0.00008047609 1.7568 AML other m 2023-02-27T19:48:56.97
IV.ATFO.HHE. ML:1.0 0.00009851012000000001 0.2432 AML other m 2023-02-27T19:48:56.13
IV.ASSB.HHE. ML:1.2 0.00010296165000000001 0.2816 AML other m 2023-02-27T19:48:57.68
IV.ASSB.HHN. ML:1.4 0.0001677905 0.0768 AML other m 2023-02-27T19:48:56.29
IV.ATVO.HHE. ML:0.8 0.000037740005 1.8208 AML other m 2023-02-27T19:48:58.93
IV.SNTG.HHE. ML:1.2 0.00008565000000000001 0.28 AML other m 2023-02-27T19:48:58.88
IV.SNTG.HHN. ML:1.3 0.00009761009500000001 0.256 AML other m 2023-02-27T19:48:58.80
IV.SSFR.HHE. ML:1.6 0.00019350000000000001 1.82 AML other m 2023-02-27T19:48:59.05
IV.NARO.HHN. ML:1.0 0.000029806229999999998 0.1408 AML other m 2023-02-27T19:49:03.31
IV.SSFR.HHN. ML:1.6 0.0001850039 0.0896 AML other m 2023-02-27T19:48:59.08
IV.FRON.EHE. ML:1.1 0.000047625859 0.1792 AML other m 2023-02-27T19:49:00.37
IV.PIEI.HHN. ML:1.2 0.00006723252 0.2304 AML other m 2023-02-27T19:49:01.49
IV.PIEI.HHE. ML:1.3 0.00008565000000000001 0.14 AML other m 2023-02-27T19:49:01.40
IV.FRON.EHN. ML:1.3 0.0000756743 0.1664 AML other m 2023-02-27T19:49:01.45
IV.EL6.EHN. ML:1.5 0.00009587097999999999 0.1536 AML other m 2023-02-27T19:49:03.56
IV.ARVD.HHE. ML:1.2 0.00004452371 0.1024 AML other m 2023-02-27T19:49:03.05
IV.NARO.HHE. ML:0.9 0.000025255439999999998 0.1664 AML other m 2023-02-27T19:49:03.36
IV.ATVO.HHN. ML:0.7 0.000036547165 0.128 AML other m 2023-02-27T19:48:58.62
IV.EL6.EHE. ML:1.6 0.000125472 0.128 AML other m 2023-02-27T19:49:03.97
IV.ARVD.HHN. ML:1.0 0.000030380315000000002 0.1408 AML other m 2023-02-27T19:49:02.93
IV.FOSV.HNN. ML:0.9 0.0000654621 0.1536 AML other m 2023-02-27T19:48:55.78
IV.FOSV.HNE. ML:0.8 0.00004901726500000001 0.1024 AML other m 2023-02-27T19:48:55.90
IV.SSFR.HNE. ML:1.5 0.000151432905 0.0512 AML other m 2023-02-27T19:48:58.97
IV.SSFR.HNN. ML:1.7 0.00026524745 0.1408 AML other m 2023-02-27T19:48:59.99
IV.SNTG.HNN. ML:1.5 0.0001453621 0.6656 AML other m 2023-02-27T19:49:05.48
IV.SNTG.HNE. ML:1.1 0.00006170441 0.1024 AML other m 2023-02-27T19:48:59.49
IV.CESI.HNN. ML:1.1 0.000049216247999999996 0.1152 AML other m 2023-02-27T19:49:01.48
IV.CESI.HHN. ML:1.0 0.000043928995 0.1152 AML other m 2023-02-27T19:49:01.47
IV.CESI.HNE. ML:1.0 0.00004576334915 0.1024 AML other m 2023-02-27T19:49:00.96
IV.CESI.HHE. ML:1.0 0.000042990225 0.1024 AML other m 2023-02-27T19:49:01.00
IV.PIEI.HNE. ML:1.5 0.00011886191500000002 0.2432 AML other m 2023-02-27T19:49:01.47
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