Earthquake with magnitude of ML 1.0 on date 01-04-2023 and time 05:04:34 (UTC) in region 4 km E Umbertide (PG)

A magnitude ML 1.0 earthquake occured in region: 4 km E Umbertide (PG), on

  • 01-04-2023 05:04:34 (UTC)
  • 01-04-2023 07:04:34 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.3000, 12.3790 at 9 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
Umbertide PG 4 16681 16681
Montone PG 8 1680 18361
Pietralunga PG 17 2111 20472
Gubbio PG 17 32216 52688
Lisciano Niccone PG 20 613 53301

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km N of Perugia (166134 inhabitants)
44 Km E of Arezzo (99543 inhabitants)
46 Km NW of Foligno (57155 inhabitants)
80 Km SW of Fano (60888 inhabitants)
81 Km SW of Pesaro (94582 inhabitants)
85 Km E of Siena (53903 inhabitants)
85 Km N of Terni (111501 inhabitants)
86 Km S of Rimini (147750 inhabitants)
94 Km S of Cesena (96758 inhabitants)
99 Km W of Ancona (100861 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 1.0 2023-04-01
05:04:34
43.2995 12.3788 9 2024-03-01
17:18:02
Bollettino Sismico Italiano INGV 116121211
Reviewed
Rev100
ML 0.8 2023-04-01
05:04:35
43.3053 12.3882 4 2023-04-01
07:22:37
Sala Sismica INGV-Roma 115935351
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-01 05:04:34 ± 0.05
Latitude 43.2995 ± 0.0027
Longitude 12.3788 ± 0.0037
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 116121211

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 260
Semi-minor axis of confidence ellipse (meter) 251
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 264
Circular confidence region, given by single value of horizontal uncertainty (meter) 260.0
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 61
Number of defining phases 56
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.43257
Number of stations at which the event was observed 33
Number of stations from which data was used for origin computation 28
Magnitudes information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.4
Num. used stations 11
Type of magnitude ML
Reference to an origin 116121211
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-05-10 08:34:44

ML:0.8

Field Value
Value 0.8
Uncertainty 0.0
Num. used stations 4
Type of magnitude ML
Reference to an origin 115935351
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-01 07:22:37
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MSRU.HHZ. 2023-04-01T05:06:04.43 3.0 undecidable manual Pg 17.469999 0
IV.TDS.HHZ. 2023-04-01T05:05:47.48 3.0 undecidable manual Pg 11.75 0
IV.MCRV.HHZ. 2023-04-01T05:05:19.90 3.0 undecidable manual Pn 3.79 0
GU.RORO.HHZ. 2023-04-01T05:05:16.09 3.0 positive manual Pn 3.65 0
GU.RNCA.HHZ. 2023-04-01T05:05:05.00 3.0 positive manual Pn -1.08 0
IV.MGAB.HHZ. 2023-04-01T05:04:50.78 0.6 undecidable manual S 207 48.0186 50 0.57 41
IV.PARC.HHE. 2023-04-01T05:04:48.59 1.0 undecidable manual S 344 40.3263 50 0.44 22
IV.NARO.HHN. 2023-04-01T05:04:47.28 0.3 undecidable manual S 25 38.1285 50 -0.29 67
IV.SSFR.HHN. 2023-04-01T05:04:46.80 0.6 undecidable manual S 65 35.9418 50 -0.17 46
IV.ASSB.HHN. 2023-04-01T05:04:46.89 0.6 undecidable manual S 141 36.4413 50 -0.21 46
IV.CAFI.HNZ. 2023-04-01T05:04:46.09 0.6 undecidable manual S 276 33.4443 50 -0.23 46
IV.FRON.EHZ. 2023-04-01T05:04:46.93 0.6 undecidable manual S 49 36.9297 50 -0.33 45
IV.FOSV.HNE. 2023-04-01T05:04:45.42 0.6 undecidable manual S 91 30.8469 106 -0.12 47
IV.APEC.HNN. 2023-04-01T05:04:44.97 1.0 undecidable manual S 7 28.9488 107 0.08 24
IV.ATSC.EHE. 2023-04-01T05:04:44.62 0.6 undecidable manual S 61 28.3494 107 -0.09 48
IV.MGAB.HHZ. 2023-04-01T05:04:43.65 0.3 undecidable manual P 207 48.0186 50 0.12 69
IV.ATBU.EHZ. 2023-04-01T05:04:43.59 0.3 undecidable manual S 35 23.8539 110 0.37 68
IV.BADI.EHE. 2023-04-01T05:04:43.91 0.3 undecidable manual S 335 25.752 109 0.08 72
IV.ATCC.EHE. 2023-04-01T05:04:43.94 0.6 undecidable manual S 121 24.6531 110 0.47 44
IV.ATPC.HHE. 2023-04-01T05:04:42.75 0.6 undecidable manual S 17 21.0678 113 0.43 45
IV.PARC.HHE. 2023-04-01T05:04:42.81 1.0 undecidable manual P 344 40.3263 50 0.47 22
IV.ATMC.EHZ. 2023-04-01T05:04:42.46 0.6 undecidable manual S 318 22.1556 111 -0.22 47
IV.ATPI.EHZ. 2023-04-01T05:04:41.03 0.3 undecidable manual S 6 16.872 117 0.03 74
IV.FRON.EHZ. 2023-04-01T05:04:41.44 0.6 undecidable manual P 49 36.9297 50 -0.39 44
IV.ATFO.HHZ. 2023-04-01T05:04:41.35 0.6 undecidable manual S 64 17.2716 117 0.24 47
IV.NARO.HHN. 2023-04-01T05:04:41.66 0.6 undecidable manual P 25 38.1285 50 -0.35 44
IV.SSFR.HHN. 2023-04-01T05:04:41.49 0.6 undecidable manual P 65 35.9418 50 -0.17 46
IV.ASSB.HHN. 2023-04-01T05:04:41.46 0.3 undecidable manual P 141 36.4413 50 -0.27 68
IV.CAFI.HNZ. 2023-04-01T05:04:41.37 0.3 undecidable manual P 276 33.4443 50 0.09 71
IV.TSM2.DHN.01 2023-04-01T05:04:40.10 0.1 undecidable manual S 40 13.9749 122 -0.03 99
IV.APEC.HNN. 2023-04-01T05:04:40.43 0.6 undecidable manual P 7 28.9488 107 -0.03 48
IV.MURB.HHZ. 2023-04-01T05:04:40.02 0.3 undecidable manual S 109 12.4764 125 0.34 70
IV.FOSV.HNE. 2023-04-01T05:04:40.73 1.0 undecidable manual P 91 30.8469 106 -0.1 24
IV.ATSC.EHE. 2023-04-01T05:04:40.33 1.0 undecidable manual P 61 28.3494 107 -0.03 24
IV.ATMC.EHZ. 2023-04-01T05:04:39.64 0.3 undecidable manual P 318 22.1556 111 0.46 67
IV.BADI.EHE. 2023-04-01T05:04:39.92 0.3 undecidable manual P 335 25.752 109 0.07 72
IV.ATCC.EHE. 2023-04-01T05:04:39.69 0.6 undecidable manual P 121 24.6531 110 0.05 48
IV.TB03.DHZ.01 2023-04-01T05:04:39.68 0.1 undecidable manual S 13 11.5773 127 0.24 95
IV.ATMI.HHZ. 2023-04-01T05:04:39.01 0.3 undecidable manual S 293 9.7791 132 0.06 74
IV.ATPC.HHE. 2023-04-01T05:04:39.22 0.6 undecidable manual P 17 21.0678 113 0.25 47
IV.ATBU.EHZ. 2023-04-01T05:04:39.60 0.3 undecidable manual P 35 23.8539 110 0.11 72
IV.TSM3.DHZ.07 2023-04-01T05:04:38.67 0.3 undecidable manual S 349 9.4794 133 -0.2 72
IV.TB02.DHZ.01 2023-04-01T05:04:38.23 0.3 undecidable manual S 17 8.2806 137 -0.34 70
IV.ATPI.EHZ. 2023-04-01T05:04:38.30 0.3 undecidable manual P 6 16.872 117 0.09 73
IV.ATVO.HHZ. 2023-04-01T05:04:38.77 0.1 undecidable manual S 14 9.4794 133 -0.1 98
IV.ATFO.HHZ. 2023-04-01T05:04:38.36 0.3 undecidable manual P 64 17.2716 117 0.08 73
IV.TB01.DHZ.01 2023-04-01T05:04:38.98 0.1 undecidable manual S 27 10.1787 131 -0.08 98
IV.ATVO.HHZ. 2023-04-01T05:04:37.03 0.3 undecidable manual P 14 9.4794 133 0.05 74
IV.TB01.DHZ.01 2023-04-01T05:04:37.10 0.1 undecidable manual P 27 10.1787 131 0 100
IV.MURB.HHZ. 2023-04-01T05:04:37.62 0.3 undecidable manual P 109 12.4764 125 0.17 72
IV.TSM3.DHZ.07 2023-04-01T05:04:37.07 0.1 undecidable manual P 349 9.4794 133 0.09 98
IV.ATVA.EHZ. 2023-04-01T05:04:37.95 0.6 undecidable manual S 253 7.881 138 -0.54 44
IV.TB03.DHZ.01 2023-04-01T05:04:37.50 0.1 undecidable manual P 13 11.5773 127 0.19 96
IV.TSM2.DHN.01 2023-04-01T05:04:37.74 0.3 undecidable manual P 40 13.9749 122 0.03 74
IT.UMBT.HGZ. 2023-04-01T05:04:37.87 0.6 undecidable manual S 280 2.8971 162 0.27 48
IT.UMBT.HGZ. 2023-04-01T05:04:36.27 0.3 undecidable manual P 280 2.8971 162 0.02 76
IV.ATLO.EHZ. 2023-04-01T05:04:36.66 0.3 undecidable manual S 53 2.8971 162 -0.94 57
IV.TB02.DHZ.01 2023-04-01T05:04:36.79 0.3 undecidable manual P 17 8.2806 137 -0.02 75
IV.ATMI.HHZ. 2023-04-01T05:04:36.87 0.6 undecidable manual P 293 9.7791 132 -0.16 49
IV.ATVA.EHZ. 2023-04-01T05:04:36.74 0.1 undecidable manual P 253 7.881 138 -0.03 100
IV.ATLO.EHZ. 2023-04-01T05:04:35.95 0.1 undecidable manual P 53 2.8971 162 -0.3 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATVO.HNN. ML:1.0 0.000133924005 0.8 AML other m 2023-04-01T05:04:36.90
IV.ATVO.HHE. ML:0.9 0.000107 0.46 AML other m 2023-04-01T05:04:39.61
IV.ATVO.HNE. ML:0.9 0.00011414418 0.1696 AML other m 2023-04-01T05:04:39.69
IV.ATMI.HHE. ML:0.9 0.00011174255 0.2016 AML other m 2023-04-01T05:04:39.92
IV.MURB.HNN. ML:1.7 0.0006157253 0.1824 AML other m 2023-04-01T05:04:40.13
IV.MURB.HHN. ML:1.8 0.00073272335 0.1824 AML other m 2023-04-01T05:04:40.14
IV.MURB.HNE. ML:1.8 0.000763 0.2 AML other m 2023-04-01T05:04:40.49
IV.MURB.HHE. ML:1.8 0.0008085 0.18 AML other m 2023-04-01T05:04:40.59
IV.ATMI.HHN. ML:0.9 0.00009990205 0.24 AML other m 2023-04-01T05:04:40.44
IV.ATVO.HHN. ML:0.7 0.00006413626999999999 0.32 AML other m 2023-04-01T05:04:40.84
IV.ATPI.EHE. ML:0.8 0.000055174705000000006 0.4608 AML other m 2023-04-01T05:04:41.65
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