Earthquake with magnitude of ML 1.1 on date 16-07-2023 and time 01:59:53 (Italy) in region 7 km E Umbertide (PG)

A magnitude ML 1.1 earthquake occured in region: 7 km E Umbertide (PG), on

  • 15-07-2023 23:59:53 (UTC)
  • 16-07-2023 01:59:53 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.3000, 12.4090 at 9 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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 7 16681 16681
Montone PG 10 1680 18361
Gubbio PG 15 32216 50577
Pietralunga PG 16 2111 52688

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km N of Perugia (166134 inhabitants)
45 Km NW of Foligno (57155 inhabitants)
46 Km E of Arezzo (99543 inhabitants)
78 Km SW of Fano (60888 inhabitants)
79 Km SW of Pesaro (94582 inhabitants)
84 Km N of Terni (111501 inhabitants)
86 Km S of Rimini (147750 inhabitants)
87 Km E of Siena (53903 inhabitants)
94 Km S of Cesena (96758 inhabitants)
96 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
Reviewed
Rev100
ML 1.1 2023-07-15
23:59:53
43.3002 12.4093 9 2023-07-16
00:09:28
Sala Sismica INGV-Roma 119298211
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-07-15 23:59:53 ± 0.1
Latitude 43.3002 ± 0.0045
Longitude 12.4093 ± 0.0062
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 119298211

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 487
Semi-minor axis of confidence ellipse (meter) 445
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 199
Circular confidence region, given by single value of horizontal uncertainty (meter) 490.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 112
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.33455
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 12
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 20
Type of magnitude ML
Reference to an origin 119298211
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-07-16 00:09:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NRCA.HHZ. 2023-07-16T00:00:17.23 3.0 undecidable manual S 0.16 0
IV.NARO.HHZ. 2023-07-16T00:00:05.61 0.3 undecidable manual S 22 37.1295 50 -0.19 70
IV.ASSB.HHZ. 2023-07-16T00:00:04.85 0.3 undecidable manual S 145 34.9428 50 -0.38 67
IV.PIEI.HHZ. 2023-07-16T00:00:03.20 0.3 undecidable manual S 21 28.0497 108 -0.07 72
IV.MGAB.HHZ. 2023-07-16T00:00:02.43 3.0 positive manual P -0.34 0
IV.ATFO.HHZ. 2023-07-15T23:59:59.27 0.3 undecidable manual S 61 14.9739 122 0.12 73
IV.ASSB.HHZ. 2023-07-15T23:59:59.93 0.1 undecidable manual P 145 34.9428 50 -0.14 94
IV.ATPI.EHZ. 2023-07-15T23:59:59.55 0.3 undecidable manual S 358 16.6722 119 -0.11 73
IV.PIEI.HHZ. 2023-07-15T23:59:59.04 0.1 undecidable manual P 21 28.0497 108 0.1 96
IV.ATMI.HHZ. 2023-07-15T23:59:58.61 0.3 undecidable manual S 288 11.9769 128 0.31 71
IV.MURB.HHZ. 2023-07-15T23:59:58.01 0.3 undecidable manual S 114 10.1787 132 0.2 73
IV.ATVA.EHN. 2023-07-15T23:59:57.45 0.3 undecidable manual S 257 10.2786 132 -0.39 70
IV.ATVO.HHZ. 2023-07-15T23:59:57.28 0.3 undecidable manual S 359 9.0798 136 -0.25 72
IV.ATMI.HHZ. 2023-07-15T23:59:56.56 0.1 undecidable manual P 288 11.9769 128 0.49 91
IV.TSM4.DH2.09 2023-07-15T23:59:56.90 0.3 undecidable manual S 276 8.4804 137 -0.5 68
IV.MURB.HHZ. 2023-07-15T23:59:56.07 0.1 undecidable manual P 114 10.1787 132 0.28 95
IV.ATFO.HHZ. 2023-07-15T23:59:56.74 0.1 undecidable manual P 61 14.9739 122 0.18 97
IV.ATPI.EHZ. 2023-07-15T23:59:56.99 0.1 undecidable manual P 358 16.6722 119 0.13 97
IV.ATVO.HHZ. 2023-07-15T23:59:55.69 0.1 positive manual P 359 9.0798 136 0.06 100
IT.UMBT.HGE. 2023-07-15T23:59:55.32 0.1 undecidable manual P 275 5.2947 150 0.15 99
IV.TSM4.DH2.09 2023-07-15T23:59:55.89 0.1 undecidable manual P 276 8.4804 137 0.34 94
IV.ATVA.EHN. 2023-07-15T23:59:55.97 0.1 undecidable manual P 257 10.2786 132 0.16 98
IV.ATLO.EHN. 2023-07-15T23:59:55.45 0.3 undecidable manual S 354 1.6983 170 -0.85 60
IV.ATLO.EHN. 2023-07-15T23:59:54.70 0.1 undecidable manual P 354 1.6983 170 -0.21 98
IV.NARO.HHZ. 2023-07-15T00:00:00.20 1.0 negative manual P 22 37.1295 50 -0.2 23
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATVO.HHE. ML:1.3 0.00026700000000000004 0.28 AML other m 2023-07-15T23:59:57.34
IV.ATVO.HHN. ML:1.3 0.000299 0.16 AML other m 2023-07-15T23:59:57.61
IV.ATMI.HHE. ML:1.2 0.000178 0.32 AML other m 2023-07-15T23:59:58.96
IV.MURB.HHN. ML:1.5 0.0004555 0.22 AML other m 2023-07-15T23:59:58.76
IV.ATPI.EHN. ML:1.0 0.0000876 0.24 AML other m 2023-07-15T23:59:59.86
IV.ATFO.HHN. ML:1.2 0.00017549999999999998 0.46 AML other m 2023-07-16T00:00:00.04
IV.ATPI.EHE. ML:1.2 0.00014500000000000003 0.32 AML other m 2023-07-16T00:00:00.06
IV.ATFO.HHE. ML:1.3 0.000192 0.5 AML other m 2023-07-16T00:00:00.11
IV.MURB.HHE. ML:1.5 0.0004345 1.74 AML other m 2023-07-16T00:00:01.10
IV.PIEI.HHE. ML:1.3 0.00011125000000000001 0.14 AML other m 2023-07-16T00:00:03.96
IV.PIEI.HHN. ML:1.1 0.0000608 1.26 AML other m 2023-07-16T00:00:04.88
IV.ATMI.HHN. ML:1.1 0.00013800000000000002 0.34 AML other m 2023-07-16T00:00:05.08
IV.ASSB.HHE. ML:0.9 0.00003145 0.4 AML other m 2023-07-16T00:00:06.44
IV.NARO.HHE. ML:0.8 0.00002375 0.84 AML other m 2023-07-16T00:00:06.86
IV.ASSB.HHN. ML:0.9 0.00003165 0.44 AML other m 2023-07-16T00:00:06.22
IV.NARO.HHN. ML:0.6 0.000017024999999999997 0.46 AML other m 2023-07-16T00:00:08.17
IV.MGAB.HHN. ML:1.1 0.000036049999999999995 0.16 AML other m 2023-07-16T00:00:10.82
IV.MGAB.HHE. ML:1.0 0.00003135 0.5 AML other m 2023-07-16T00:00:12.44
IV.NRCA.HHE. ML:1.1 0.00001825 0.16 AML other m 2023-07-16T00:00:19.11
IV.NRCA.HHN. ML:1.0 0.00001495 1.1 AML other m 2023-07-16T00:00:19.02
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download