Earthquake with magnitude of ML 1.0 on date 13-03-2023 and time 09:16:46 (UTC) in region 5 km E Umbertide (PG)

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

  • 13-03-2023 09:16:46 (UTC)
  • 13-03-2023 10:16:46 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.3020, 12.3850 at 6 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)
46 Km NW of Foligno (57155 inhabitants)
79 Km SW of Fano (60888 inhabitants)
80 Km SW of Pesaro (94582 inhabitants)
85 Km N of Terni (111501 inhabitants)
85 Km E of Siena (53903 inhabitants)
86 Km S of Rimini (147750 inhabitants)
94 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 1.0 2023-03-13
09:16:46
43.3015 12.3852 6 2024-03-01
17:18:02
Bollettino Sismico Italiano INGV 116284771
Reviewed
Rev100
ML 1.2 2023-03-13
09:16:46
43.3062 12.3968 4 2023-03-13
09:38:35
Sala Sismica INGV-Roma 115313241
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-13 09:16:46 ± 0.16
Latitude 43.3015 ± 0.0045
Longitude 12.3852 ± 0.0049
Depth (km) 6 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 116284771

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 525
Semi-minor axis of confidence ellipse (meter) 135
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 341
Circular confidence region, given by single value of horizontal uncertainty (meter) 520.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 142
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.30577
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.4
Num. used stations 6
Type of magnitude ML
Reference to an origin 115313241
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-03-13 09:38:35

ML:1.0

Field Value
Value 1.0
Uncertainty 0.5
Num. used stations 8
Type of magnitude ML
Reference to an origin 116284771
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-04-11 16:17:32
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CAFI.HHZ. 2023-03-13T09:16:57.83 0.3 undecidable manual S 275 33.9438 100 -0.5 65
IV.PIEI.HNN. 2023-03-13T09:16:56.52 0.3 undecidable manual S 25 28.6491 102 0 73
IV.ATBU.EHZ. 2023-03-13T09:16:55.09 0.3 undecidable manual S 34 23.3544 104 0.35 69
IV.CAFI.HHZ. 2023-03-13T09:16:53.05 0.3 undecidable manual P 275 33.9438 100 -0.22 69
IV.ATPI.EHZ. 2023-03-13T09:16:52.67 0.3 undecidable manual S 5 16.5723 110 0.18 72
IV.PIEI.HNN. 2023-03-13T09:16:52.13 0.3 undecidable manual P 25 28.6491 102 -0.1 72
IV.MMUR.HNZ. 2023-03-13T09:16:52.28 3.0 undecidable manual P -0.05 0
IV.MURB.HHZ. 2023-03-13T09:16:51.35 0.1 undecidable manual S 111 12.0768 116 0.32 94
IV.ATVO.HHN. 2023-03-13T09:16:50.20 0.3 undecidable manual S 11 9.0798 123 0.05 75
IV.ATBU.EHZ. 2023-03-13T09:16:50.79 0.6 undecidable manual P 34 23.3544 104 -0.41 45
IV.ATVA.EHE. 2023-03-13T09:16:50.16 0.1 undecidable manual S 253 8.4804 125 0.2 97
IV.ATMI.HHZ. 2023-03-13T09:16:50.72 0.1 undecidable manual S 291 10.0788 120 0.27 95
IV.MURB.HHZ. 2023-03-13T09:16:49.03 0.1 positive manual P 111 12.0768 116 -0.03 100
IV.ATMI.HHZ. 2023-03-13T09:16:49.10 0.6 undecidable manual P 291 10.0788 120 0.38 47
IV.ATPI.EHZ. 2023-03-13T09:16:49.93 0.3 undecidable manual P 5 16.5723 110 0.03 75
IV.ATFO.HHN. 2023-03-13T09:16:49.09 1.0 undecidable manual P 64 16.6722 110 -0.83 20
IV.ATVO.HHN. 2023-03-13T09:16:48.55 0.3 undecidable manual P 11 9.0798 123 0 76
IV.ATLO.EHE. 2023-03-13T09:16:48.16 0.1 undecidable manual S 50 2.2977 158 -0.43 94
IV.ATVA.EHE. 2023-03-13T09:16:48.56 0.1 undecidable manual P 253 8.4804 125 0.12 99
IV.UMBT.HGZ. 2023-03-13T09:16:47.39 3.0 undecidable manual P 0
IV.ATLO.EHE. 2023-03-13T09:16:47.49 0.1 undecidable manual P 50 2.2977 158 -0.16 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MURB.HHN. ML:1.5 0.00038449999999999997 0.2 AML other m 2023-03-13T09:16:51.58
IV.MURB.HHE. ML:1.4 0.00034599999999999995 1.26 AML other m 2023-03-13T09:16:52.67
IV.ATMI.HHN. ML:0.6 0.000065134975 0.3008 AML other m 2023-03-13T09:16:52.35
IV.ATMI.HHE. ML:0.6 0.000058825160000000004 0.2432 AML other m 2023-03-13T09:16:51.75
IV.MURB.HNN. ML:1.4 0.00037783235000000005 0.2304 AML other m 2023-03-13T09:16:51.47
IV.MURB.HNE. ML:1.3 0.0002912204 0.192 AML other m 2023-03-13T09:16:52.05
IV.ATPI.EHE. ML:0.5 0.00002921376 0.2048 AML other m 2023-03-13T09:16:54.46
IV.ATPI.EHN. ML:0.5 0.00003248842000000001 0.2176 AML other m 2023-03-13T09:16:53.02
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