Earthquake with magnitude of ML 0.7 on date 18-04-2023 and time 16:53:02 (Italy) in region 5 km E Umbertide (PG)

A magnitude ML 0.7 earthquake occured in region: 5 km E Umbertide (PG), on

  • 18-04-2023 14:53:02 (UTC)
  • 18-04-2023 16:53:02 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.3050, 12.3860 at 8 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 8 1680 18361
Pietralunga PG 16 2111 20472
Gubbio PG 17 32216 52688

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km N of Perugia (166134 inhabitants)
45 Km E of Arezzo (99543 inhabitants)
47 Km NW of Foligno (57155 inhabitants)
79 Km SW of Fano (60888 inhabitants)
80 Km SW of Pesaro (94582 inhabitants)
85 Km E of Siena (53903 inhabitants)
85 Km N of Terni (111501 inhabitants)
85 Km S of Rimini (147750 inhabitants)
93 Km S of Cesena (96758 inhabitants)
98 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 0.7 2023-04-18
14:53:02
43.3048 12.3862 8 2024-03-01
17:18:20
Bollettino Sismico Italiano INGV 125133461
Reviewed
Rev100
ML 0.7 2023-04-18
14:53:02
43.3062 12.3908 5 2023-04-18
15:12:37
Sala Sismica INGV-Roma 116491601
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-18 14:53:02 ± 0.06
Latitude 43.3048 ± 0.0027
Longitude 12.3862 ± 0.0037
Depth (km) 8 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 125133461

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 235
Semi-minor axis of confidence ellipse (meter) 228
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 195
Circular confidence region, given by single value of horizontal uncertainty (meter) 230.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 107
Number of associated phases, regardless of their use for origin computation 65
Number of defining phases 50
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) 0.44516
Number of stations at which the event was observed 37
Number of stations from which data was used for origin computation 25
Magnitudes information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 116491601
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-18 15:12:37

ML:0.7

Field Value
Value 0.7
Uncertainty 0.3
Num. used stations 4
Type of magnitude ML
Reference to an origin 125133461
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2024-02-08 18:02:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
7C.SPAOL.HNZ. 2023-04-18T14:54:31.99 3.0 negative manual Pg 18.389999 0
IV.EFIU.HHZ. 2023-04-18T14:54:26.16 3.0 negative manual Pg 14.81 0
IV.SARZ.HNZ. 2023-04-18T14:54:18.05 3.0 undecidable manual Sg 7.58 0
IV.SPS2.HHZ. 2023-04-18T14:54:16.49 3.0 negative manual Pg 14.59 0
IV.TDS.HHZ. 2023-04-18T14:54:12.80 3.0 undecidable manual Pg 14.4 0
GU.RNCA.HHZ. 2023-04-18T14:54:12.05 3.0 undecidable manual Sg 8.8 0
GU.BURY.HHZ. 2023-04-18T14:54:11.40 3.0 undecidable manual Sn -4.84 0
MN.BNI.HHZ. 2023-04-18T14:54:05.62 3.0 negative manual Pg 11.33 0
IV.IVPL.HHZ. 2023-04-18T14:54:03.11 3.0 undecidable manual Pn 0.02 0
IV.RNI2.HHZ. 2023-04-18T14:54:00.84 3.0 undecidable manual Sg 12.22 0
IV.VCEL.EHZ. 2023-04-18T14:53:39.59 3.0 undecidable manual Sn 2.05 0
IV.SARZ.HNZ. 2023-04-18T14:53:30.24 3.0 undecidable manual Pn -5.43 0
IV.RNI2.HHZ. 2023-04-18T14:53:22.90 3.0 negative manual Pn -0.49 0
IV.VCEL.EHZ. 2023-04-18T14:53:18.82 3.0 undecidable manual Pn 1.65 0
IV.CRE.HHE. 2023-04-18T14:53:17.68 0.6 undecidable manual S 315 49.4172 50 -0.62 40
IV.ASSB.HHN. 2023-04-18T14:53:14.55 0.6 undecidable manual S 143 36.5412 50 -0.32 45
IV.FRON.EHZ. 2023-04-18T14:53:14.58 0.6 undecidable manual S 49 36.1416 50 -0.19 46
IV.SSFR.HHN. 2023-04-18T14:53:14.17 0.6 undecidable manual S 65 35.1426 50 -0.32 45
IV.CAFI.HNN. 2023-04-18T14:53:13.76 0.6 undecidable manual S 275 34.0437 104 -0.41 44
IV.PIEI.HHZ. 2023-04-18T14:53:12.30 0.6 undecidable manual S 25 28.2495 106 0.05 48
IV.CRE.HHE. 2023-04-18T14:53:11.02 1.0 undecidable manual P 315 49.4172 50 -0.41 21
IV.ATCC.EHE. 2023-04-18T14:53:11.02 0.6 undecidable manual S 123 24.4533 109 0.04 48
IV.TSM5.DHN. 2023-04-18T14:53:11.64 0.6 undecidable manual S 42 26.0517 108 0.12 47
IV.ATBU.EHZ. 2023-04-18T14:53:10.79 0.6 undecidable manual S 35 23.0547 110 0.27 46
IV.ATPC.HHE. 2023-04-18T14:53:09.62 0.6 undecidable manual S 16 20.3685 112 -0.02 49
IV.FRON.EHZ. 2023-04-18T14:53:09.51 1.0 undecidable manual P 49 36.1416 50 0.12 23
IV.SSFR.HHN. 2023-04-18T14:53:09.30 0.1 undecidable manual P 65 35.1426 50 0.07 94
IV.TSM6.DH1.11 2023-04-18T14:53:09.36 0.6 undecidable manual S 347 19.0698 113 0.11 48
IV.ASSB.HHN. 2023-04-18T14:53:09.92 1.0 undecidable manual P 143 36.5412 50 0.48 22
IV.CAFI.HNN. 2023-04-18T14:53:09.35 0.1 undecidable manual P 275 34.0437 104 0.31 90
IV.TSM1.DHE.01 2023-04-18T14:53:08.41 0.6 undecidable manual S 75 17.6712 115 -0.38 45
IV.ATPI.EHZ. 2023-04-18T14:53:08.40 0.6 undecidable manual S 5 16.1727 117 0.05 49
IV.ATFO.HHN. 2023-04-18T14:53:08.45 0.6 undecidable manual S 65 16.4724 117 0.03 49
IV.ATMI.HHZ. 2023-04-18T14:53:07.05 0.6 undecidable manual S 289 10.0788 129 0.5 45
IV.ATCC.EHE. 2023-04-18T14:53:07.58 1.0 undecidable manual P 123 24.4533 109 0.38 22
IV.TSM5.DHN. 2023-04-18T14:53:07.51 0.1 undecidable manual P 42 26.0517 108 0 97
IV.PIEI.HHZ. 2023-04-18T14:53:07.95 0.1 undecidable manual P 25 28.2495 106 0.01 96
IV.TSM2.DHN. 2023-04-18T14:53:07.16 0.6 undecidable manual S 40 13.1757 122 -0.26 47
IV.MURB.HHZ. 2023-04-18T14:53:07.24 0.6 undecidable manual S 113 12.0768 124 0.12 48
IV.ATBU.EHZ. 2023-04-18T14:53:07.04 0.1 undecidable manual P 35 23.0547 110 0.11 95
IV.TB03.DH1.25 2023-04-18T14:53:06.43 0.6 undecidable manual S 10 10.878 127 -0.34 46
IV.ATVO.HHZ. 2023-04-18T14:53:06.01 0.6 undecidable manual S 11 8.6802 133 -0.19 48
IV.TB01.DHZ.01 2023-04-18T14:53:06.25 0.6 undecidable manual S 25 9.3795 131 -0.12 49
IV.ATPC.HHE. 2023-04-18T14:53:06.59 0.1 undecidable manual P 16 20.3685 112 0.16 95
IV.TSM6.DH1.11 2023-04-18T14:53:06.27 0.3 undecidable manual P 347 19.0698 113 0.07 73
IV.TSM3.DHE.01 2023-04-18T14:53:06.36 0.6 undecidable manual S 344 8.9799 132 0.09 49
IV.TSM4.DHZ. 2023-04-18T14:53:05.38 0.6 undecidable manual S 274 6.5934 141 -0.32 47
IV.TSM2.DHN. 2023-04-18T14:53:05.18 0.1 undecidable manual P 40 13.1757 122 0.04 98
IV.MURB.HHZ. 2023-04-18T14:53:05.13 0.3 undecidable manual P 113 12.0768 124 0.16 72
IV.TSM1.DHE.01 2023-04-18T14:53:05.90 0.3 undecidable manual P 75 17.6712 115 -0.04 73
IV.ATPI.EHZ. 2023-04-18T14:53:05.78 0.1 undecidable manual P 5 16.1727 117 0.1 97
IV.TB02.DHZ. 2023-04-18T14:53:05.72 0.3 undecidable manual S 14 7.4814 138 -0.18 72
IV.ATVA.EHE. 2023-04-18T14:53:05.81 0.6 undecidable manual S 250 8.6802 134 -0.37 46
IV.ATFO.HHN. 2023-04-18T14:53:05.78 0.1 undecidable manual P 65 16.4724 117 0.06 97
IV.TSM3.DHE.01 2023-04-18T14:53:04.62 0.1 undecidable manual P 344 8.9799 132 0.14 97
IV.TB03.DH1.25 2023-04-18T14:53:04.78 0.3 undecidable manual P 10 10.878 127 0.01 74
IV.ATVO.HHZ. 2023-04-18T14:53:04.49 0.1 undecidable manual P 11 8.6802 133 0.05 99
IV.TB01.DHZ.01 2023-04-18T14:53:04.92 0.3 undecidable manual P 25 9.3795 131 0.38 69
IV.ATLO.EHE. 2023-04-18T14:53:04.31 0.6 undecidable manual S 56 2.0979 166 -0.67 42
IV.TB02.DHZ. 2023-04-18T14:53:04.27 0.1 undecidable manual P 14 7.4814 138 0 100
IV.ATMI.HHZ. 2023-04-18T14:53:04.91 0.6 undecidable manual P 289 10.0788 129 0.27 47
IV.ATVA.EHE. 2023-04-18T14:53:04.71 0.1 undecidable manual P 250 8.6802 134 0.28 94
IV.ATLO.EHE. 2023-04-18T14:53:03.53 0.1 undecidable manual P 56 2.0979 166 -0.2 97
IV.TSM4.DHZ. 2023-04-18T14:53:03.61 0.6 undecidable manual P 274 6.5934 141 -0.54 44
IV.RIBO.EHZ.01 2023-04-18T14:52:59.54 3.0 undecidable manual P -2.75 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATVO.HHN. ML:0.5 0.00004905 0.14 AML other m 2023-04-18T14:53:07.14
IV.MURB.HHN. ML:0.9 0.0001071 0.8 AML other m 2023-04-18T14:53:07.79
IV.ATVO.HHE. ML:0.5 0.0000434 0.62 AML other m 2023-04-18T14:53:07.48
IV.MURB.HHE. ML:1.0 0.000133 0.22 AML other m 2023-04-18T14:53:07.68
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