Earthquake with magnitude of ML 1.0 on date 02-04-2023 and time 06:48:04 (UTC) in region 5 km SE Umbertide (PG)

A magnitude ML 1.0 earthquake occured in region: 5 km SE Umbertide (PG), on

  • 02-04-2023 06:48:04 (UTC)
  • 02-04-2023 08:48:04 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.2820, 12.3840 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 5 16681 16681
Montone PG 10 1680 18361
Gubbio PG 18 32216 50577
Pietralunga PG 19 2111 52688
Corciano PG 19 21332 74020
Perugia PG 19 166134 240154
Lisciano Niccone PG 20 613 240767

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km N of Perugia (166134 inhabitants)
45 Km NW of Foligno (57155 inhabitants)
45 Km E of Arezzo (99543 inhabitants)
81 Km SW of Fano (60888 inhabitants)
82 Km SW of Pesaro (94582 inhabitants)
83 Km N of Terni (111501 inhabitants)
85 Km E of Siena (53903 inhabitants)
88 Km S of Rimini (147750 inhabitants)
96 Km S of Cesena (96758 inhabitants)
99 Km N of Viterbo (67173 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 2023-04-02
06:48:04
43.2817 12.3838 9 2024-03-01
17:18:04
Bollettino Sismico Italiano INGV 116545741
Reviewed
Rev100
ML 1.0 2023-04-02
06:48:04
43.2863 12.3868 10 2023-04-02
06:56:30
Sala Sismica INGV-Roma 115964021
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-02 06:48:04 ± 0.06
Latitude 43.2817 ± 0.0027
Longitude 12.3838 ± 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 116545741

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 273
Semi-minor axis of confidence ellipse (meter) 271
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 255
Circular confidence region, given by single value of horizontal uncertainty (meter) 270.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 68
Number of associated phases, regardless of their use for origin computation 36
Number of defining phases 34
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) 0.46945
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 21
Magnitudes information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 116545741
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-04-20 10:12:14

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 15
Type of magnitude ML
Reference to an origin 115964021
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-02 06:56:30
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SRES.HHZ. 2023-04-02T06:48:40.08 3.0 undecidable manual S -0.18 0
IV.MMO1.EHZ. 2023-04-02T06:48:22.54 3.0 undecidable manual P 2.08 0
IV.CESI.HHZ. 2023-04-02T06:48:14.61 0.3 undecidable manual P 126 52.1034 50 -0.09 68
IV.MGAB.HHZ. 2023-04-02T06:48:13.92 0.3 undecidable manual P 208 46.5201 50 0.09 69
IV.ATCC.EHZ. 2023-04-02T06:48:13.74 0.1 undecidable manual S 117 23.2545 110 0.2 94
IV.ATPI.EHZ. 2023-04-02T06:48:12.15 0.3 undecidable manual S 5 18.87 114 0.05 73
IV.CAFI.HHZ. 2023-04-02T06:48:12.05 0.1 undecidable manual P 279 34.1436 50 0.12 93
IV.ATFO.HHZ. 2023-04-02T06:48:11.84 0.1 undecidable manual S 58 17.871 116 0.05 98
IV.ASSB.HHZ. 2023-04-02T06:48:11.60 0.1 undecidable manual P 140 34.6431 50 -0.4 88
IV.SSFR.HHZ. 2023-04-02T06:48:11.86 0.1 undecidable manual P 62 36.4413 50 -0.42 87
IV.ATMC.EHE. 2023-04-02T06:48:10.17 0.1 undecidable manual P 320 23.9538 110 0.15 95
IV.MURB.HHZ. 2023-04-02T06:48:10.05 0.1 undecidable manual S 100 11.5773 127 0.14 97
IV.ATBU.EHZ. 2023-04-02T06:48:10.32 0.3 undecidable manual P 32 25.2525 109 0.05 72
IV.TB03.DHZ.01 2023-04-02T06:48:10.72 0.3 undecidable manual S 9 13.4754 122 0.26 71
IV.TSM2.DHZ.01 2023-04-02T06:48:10.96 0.3 undecidable manual S 34 15.3735 119 -0.06 73
IV.TB02.DHZ.01 2023-04-02T06:48:09.28 0.6 undecidable manual S 12 10.0788 130 -0.23 48
IV.ATVO.HHZ. 2023-04-02T06:48:09.71 0.1 undecidable manual S 9 11.2776 127 -0.13 97
IV.ATMI.HHZ. 2023-04-02T06:48:09.90 0.3 undecidable manual S 302 10.9779 128 0.13 73
IV.ATFO.HHZ. 2023-04-02T06:48:09.01 0.1 undecidable manual P 58 17.871 116 0.12 96
IV.ATPC.HHE. 2023-04-02T06:48:09.87 0.1 undecidable manual P 15 22.8549 111 0.05 97
IV.TB01.DHZ.01 2023-04-02T06:48:09.85 0.1 undecidable manual S 21 11.877 126 -0.15 97
IV.ATPI.EHZ. 2023-04-02T06:48:09.20 0.1 undecidable manual P 5 18.87 114 0.13 96
IV.TSM3.DHZ.07 2023-04-02T06:48:09.74 0.1 undecidable manual S 349 11.4774 127 -0.15 97
IV.ATCC.EHZ. 2023-04-02T06:48:09.96 0.1 undecidable manual P 117 23.2545 110 0.06 96
IV.ATVA.EHZ. 2023-04-02T06:48:08.57 0.3 undecidable manual S 268 7.9809 137 -0.41 69
IV.TSM2.DHZ.01 2023-04-02T06:48:08.45 0.1 undecidable manual P 34 15.3735 119 0 99
IV.ATMI.HHZ. 2023-04-02T06:48:08.11 0.3 undecidable manual P 302 10.9779 128 0.39 69
IV.TB03.DHZ.01 2023-04-02T06:48:08.35 0.1 undecidable manual P 9 13.4754 122 0.23 95
IV.TSM3.DHZ.07 2023-04-02T06:48:07.87 0.1 undecidable manual P 349 11.4774 127 0.08 98
IV.ATLO.EHE. 2023-04-02T06:48:07.46 0.6 undecidable manual S 27 4.1958 154 -0.77 41
IV.ATVA.EHZ. 2023-04-02T06:48:07.26 0.1 undecidable manual P 268 7.9809 137 -0.01 100
IV.MURB.HHZ. 2023-04-02T06:48:07.94 0.1 undecidable manual P 100 11.5773 127 0.13 97
IV.TB02.DHZ.01 2023-04-02T06:48:07.58 0.1 undecidable manual P 12 10.0788 130 0.01 100
IV.ATVO.HHZ. 2023-04-02T06:48:07.78 0.1 undecidable manual P 9 11.2776 127 0.01 99
IV.TB01.DHZ.01 2023-04-02T06:48:07.90 0.1 undecidable manual P 21 11.877 126 0.05 99
IV.ATLO.EHE. 2023-04-02T06:48:06.65 0.1 undecidable manual P 27 4.1958 154 -0.18 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MURB.HNN. ML:1.6 0.0005520000000000001 1.1 AML other m 2023-04-02T06:48:10.91
IV.MURB.HHN. ML:1.7 0.0006730000000000001 0.46 AML other m 2023-04-02T06:48:10.67
IV.ATVO.HHN. ML:0.7 0.00006934999999999999 0.5 AML other m 2023-04-02T06:48:10.48
IV.ATVO.HHE. ML:0.7 0.00006075 0.12 AML other m 2023-04-02T06:48:10.93
IV.MURB.HHE. ML:1.6 0.000451 1.18 AML other m 2023-04-02T06:48:11.72
IV.MURB.HNE. ML:1.5 0.0004125 1.18 AML other m 2023-04-02T06:48:11.73
IV.ATMI.HHE. ML:1.0 0.00013550000000000001 0.26 AML other m 2023-04-02T06:48:11.27
IV.ATPI.EHE. ML:0.9 0.00006415 0.3 AML other m 2023-04-02T06:48:12.67
IV.ATFO.HHN. ML:0.9 0.0000737 0.46 AML other m 2023-04-02T06:48:12.84
IV.ATFO.HHE. ML:1.0 0.00008035 1.24 AML other m 2023-04-02T06:48:12.67
IV.ATMI.HHN. ML:0.9 0.00009434999999999999 0.8 AML other m 2023-04-02T06:48:12.90
IV.ATPI.EHN. ML:0.8 0.00004945 0.42 AML other m 2023-04-02T06:48:13.75
IV.ATCC.EHN. ML:1.1 0.00007994999999999999 1.28 AML other m 2023-04-02T06:48:14.77
IV.ATCC.EHE. ML:1.2 0.0001115 0.12 AML other m 2023-04-02T06:48:14.19
IV.SSFR.HHN. ML:1.0 0.00003905 1.52 AML other m 2023-04-02T06:48:18.10
IV.SSFR.HHE. ML:0.9 0.0000294 1.2 AML other m 2023-04-02T06:48:18.28
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