Earthquake with magnitude of ML 1.1 on date 03-02-2023 and time 10:01:07 (Italy) in region 7 km W Sassoferrato (AN)

A magnitude ML 1.1 earthquake occured in region: 7 km W Sassoferrato (AN), on

  • 03-02-2023 09:01:07 (UTC)
  • 03-02-2023 10:01:07 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.4290, 12.7760 at 13 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
Sassoferrato AN 7 7285 7285
Serra Sant'Abbondio PU 7 1027 8312
Scheggia e Pascelupo PG 9 1393 9705
Costacciaro PG 9 1216 10921
Frontone PU 10 1300 12221
Sigillo PG 11 2404 14625
Genga AN 13 1797 16422
Cantiano PU 13 2245 18667
Fabriano AN 15 31480 50147
Fossato di Vico PG 15 2840 52987
Arcevia AN 16 4612 57599
Pergola PU 16 6333 63932
Cagli PU 17 8731 72663
Gubbio PG 18 32216 104879
Serra San Quirico AN 20 2850 107729

Municipalities with at least 50000 inhabitants

An earthquake occurred to
48 Km NE of Perugia (166134 inhabitants)
50 Km SW of Fano (60888 inhabitants)
53 Km N of Foligno (57155 inhabitants)
55 Km S of Pesaro (94582 inhabitants)
64 Km W of Ancona (100861 inhabitants)
72 Km E of Arezzo (99543 inhabitants)
72 Km S of Rimini (147750 inhabitants)
90 Km SE of Cesena (96758 inhabitants)
97 Km N of Terni (111501 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 2023-02-03
09:01:07
43.4293 12.7762 13 2023-02-03
09:10:15
Sala Sismica INGV-Roma 114008751
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-03 09:01:07 ± 0.12
Latitude 43.4293 ± 0.0072
Longitude 12.7762 ± 0.0087
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 114008751

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 714
Semi-minor axis of confidence ellipse (meter) 496
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 143
Circular confidence region, given by single value of horizontal uncertainty (meter) 710.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 90
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.27249
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 114008751
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-02-03 09:10:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MPAG.EHZ. 2023-02-03T09:01:16.08 0.1 undecidable manual S 357 22.2555 103 -0.1 97
IV.PIEI.HHZ. 2023-02-03T09:01:16.02 0.1 undecidable manual S 301 22.755 102 -0.29 92
IV.MML1.EHZ. 2023-02-03T09:01:14.23 3.0 negative manual P -1.09 0
IV.FOSV.EHZ. 2023-02-03T09:01:14.36 0.1 undecidable manual S 185 14.9739 116 0.01 99
IV.ARVD.HHZ. 2023-02-03T09:01:14.34 0.1 undecidable manual S 60 15.3735 115 -0.1 97
IV.FRON.EHZ. 2023-02-03T09:01:13.28 0.1 undecidable manual S 338 10.5783 130 -0.09 99
IV.ATCC.EHZ. 2023-02-03T09:01:13.76 3.0 undecidable manual P 0.03 0
IV.NARO.HHZ. 2023-02-03T09:01:13.95 0.1 negative manual P 322 25.5522 100 0.84 77
IV.ATPI.EHZ. 2023-02-03T09:01:13.94 1.0 undecidable manual P 275 30.2475 97 0.12 24
IV.PIEI.HHZ. 2023-02-03T09:01:12.45 0.1 negative manual P 301 22.755 102 -0.23 93
IV.MPAG.EHZ. 2023-02-03T09:01:12.50 1.0 negative manual P 357 22.2555 103 -0.1 24
IV.SSFR.HHZ. 2023-02-03T09:01:12.26 0.1 undecidable manual S 33 0.8991 175 0.1 100
IV.ATFO.HHZ. 2023-02-03T09:01:12.14 3.0 positive manual P 0.16 0
IV.SNTG.HHZ. 2023-02-03T09:01:12.78 0.6 negative manual P 145 23.4543 101 -0.01 49
IV.FOSV.EHZ. 2023-02-03T09:01:11.57 0.1 undecidable manual P 185 14.9739 116 0.02 99
IV.ARVD.HHZ. 2023-02-03T09:01:11.62 0.6 undecidable manual P 60 15.3735 115 0.02 50
IV.FRON.EHZ. 2023-02-03T09:01:10.93 0.1 undecidable manual P 338 10.5783 130 -0.06 99
IV.SSFR.HHZ. 2023-02-03T09:01:10.31 1.0 positive manual P 33 0.8991 175 0.03 25
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SSFR.HHN. ML:1.4 0.000345 0.18 AML other m 2023-02-03T09:01:12.33
IV.SSFR.HNN. ML:1.6 0.000526 1.18 AML other m 2023-02-03T09:01:12.92
IV.SSFR.HHE. ML:1.2 0.00022449999999999998 0.16 AML other m 2023-02-03T09:01:12.90
IV.SSFR.HNE. ML:1.5 0.0004185 1.2 AML other m 2023-02-03T09:01:13.82
IV.MPAG.EHN. ML:1.0 0.000053150000000000004 0.18 AML other m 2023-02-03T09:01:16.14
IV.MPAG.EHE. ML:1.0 0.0000572 0.3 AML other m 2023-02-03T09:01:16.19
IV.NARO.HHN. ML:0.7 0.0000253 0.46 AML other m 2023-02-03T09:01:18.37
IV.NARO.HHE. ML:0.8 0.000033849999999999996 0.9 AML other m 2023-02-03T09:01:18.34
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