Earthquake with magnitude of ML 0.7 on date 02-04-2023 and time 17:03:56 (UTC) in region 10 km E Umbertide (PG)

A magnitude ML 0.7 earthquake occured in region: 10 km E Umbertide (PG), on

  • 02-04-2023 17:03:56 (UTC)
  • 02-04-2023 19:03:56 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.3230, 12.4510 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 10 16681 16681
Montone PG 11 1680 18361
Gubbio PG 11 32216 50577
Pietralunga PG 13 2111 52688
Scheggia e Pascelupo PG 20 1393 54081

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km N of Perugia (166134 inhabitants)
46 Km NW of Foligno (57155 inhabitants)
49 Km E of Arezzo (99543 inhabitants)
74 Km SW of Fano (60888 inhabitants)
75 Km SW of Pesaro (94582 inhabitants)
83 Km S of Rimini (147750 inhabitants)
86 Km N of Terni (111501 inhabitants)
90 Km E of Siena (53903 inhabitants)
92 Km S of Cesena (96758 inhabitants)
92 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 2023-04-02
17:03:56
43.3233 12.4507 9 2024-03-01
17:18:04
Bollettino Sismico Italiano INGV 116547301
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-02 17:03:56 ± 0.07
Latitude 43.3233 ± 0.0027
Longitude 12.4507 ± 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 116547301

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 339
Semi-minor axis of confidence ellipse (meter) 233
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 53
Circular confidence region, given by single value of horizontal uncertainty (meter) 340.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 153
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.06
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.13310
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 4
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.4
Num. used stations 4
Type of magnitude ML
Reference to an origin 116547301
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-04-20 10:56:55
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VARE.HHZ. 2023-04-02T17:05:42.03 3.0 undecidable manual Sg 17.540001 0
GU.GBOS.HHZ. 2023-04-02T17:05:31.42 3.0 undecidable manual Sn 6.34 0
IV.IVPL.HHZ. 2023-04-02T17:05:22.39 3.0 undecidable manual Pg 13.05 0
1J.FX14.HHZ.00 2023-04-02T17:05:18.13 3.0 negative manual Pn -0.27 0
IV.CFMN.HNZ. 2023-04-02T17:05:14.33 3.0 undecidable manual Sg 4.84 0
IV.MCRV.HHZ. 2023-04-02T17:05:11.90 3.0 undecidable manual Sn -6.93 0
GU.BURY.HHZ. 2023-04-02T17:05:02.13 3.0 undecidable manual Pg 16.559999 0
IX.STN3.EHZ.02 2023-04-02T17:04:55.22 3.0 undecidable manual Pg 10.01 0
IV.RIBO.EHZ.01 2023-04-02T17:04:30.39 3.0 undecidable manual Sn -2.14 0
IV.PLMA.HHZ. 2023-04-02T17:04:28.54 3.0 positive manual Pg 5.51 0
IV.IMOL.HNZ. 2023-04-02T17:04:26.09 3.0 undecidable manual Sg 4.82 0
IV.RIBO.EHZ.01 2023-04-02T17:04:12.59 3.0 negative manual Pn -1.02 0
IV.IMOL.HNZ. 2023-04-02T17:04:07.60 3.0 negative manual Pn 0.32 0
IV.ATFO.HHZ. 2023-04-02T17:04:07.03 3.0 undecidable manual Sn 1.91 0
IV.PP3.EHZ. 2023-04-02T17:04:01.08 3.0 positive manual P -1.02 0
IV.ATVO.HHZ. 2023-04-02T17:04:00.31 0.1 undecidable manual S 331 7.3815 141 -0.02 100
IV.MURB.HHZ. 2023-04-02T17:04:00.76 0.6 undecidable manual S 138 8.9799 135 0.07 49
IV.ATPI.EHZ. 2023-04-02T17:03:59.74 0.1 undecidable manual P 345 14.6742 122 0.02 99
IV.ATMI.HHZ. 2023-04-02T17:03:59.75 0.1 undecidable manual P 275 14.7741 121 0 99
IV.ATVO.HHZ. 2023-04-02T17:03:58.64 0.6 positive manual P 331 7.3815 141 0.03 50
IV.MURB.HHZ. 2023-04-02T17:03:58.77 0.1 undecidable manual P 138 8.9799 135 -0.05 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATVO.HHN. ML:0.4 0.000036049999999999995 0.18 AML other m 2023-04-02T17:04:00.66
IV.MURB.HHN. ML:1.0 0.0001315 0.24 AML other m 2023-04-02T17:04:01.17
IV.MURB.HHE. ML:1.1 0.00019250000000000002 0.2 AML other m 2023-04-02T17:04:01.23
IV.ATVO.HHE. ML:0.4 0.00003785 0.42 AML other m 2023-04-02T17:04:02.82
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