Earthquake with magnitude of ML 1.5 on date 02-05-2023 and time 22:16:47 (Italy) in region 7 km W Sassoferrato (AN)

A magnitude ML 1.5 earthquake occured in region: 7 km W Sassoferrato (AN), on

  • 02-05-2023 20:16:47 (UTC)
  • 02-05-2023 22:16:47 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.4120, 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
Costacciaro PG 8 1216 8501
Scheggia e Pascelupo PG 9 1393 9894
Serra Sant'Abbondio PU 9 1027 10921
Sigillo PG 9 2404 13325
Frontone PU 12 1300 14625
Genga AN 13 1797 16422
Fossato di Vico PG 13 2840 19262
Fabriano AN 13 31480 50742
Cantiano PU 14 2245 52987
Arcevia AN 17 4612 57599
Gubbio PG 17 32216 89815
Pergola PU 18 6333 96148
Cagli PU 18 8731 104879
Serra San Quirico AN 20 2850 107729
Cerreto d'Esi AN 20 3817 111546
Gualdo Tadino PG 20 15208 126754

Municipalities with at least 50000 inhabitants

An earthquake occurred to
46 Km NE of Perugia (166134 inhabitants)
51 Km N of Foligno (57155 inhabitants)
52 Km SW of Fano (60888 inhabitants)
57 Km S of Pesaro (94582 inhabitants)
64 Km W of Ancona (100861 inhabitants)
72 Km E of Arezzo (99543 inhabitants)
74 Km S of Rimini (147750 inhabitants)
91 Km SE of Cesena (96758 inhabitants)
95 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 1.5 2023-05-02
20:16:47
43.4125 12.7755 13 2023-05-02
20:34:18
Sala Sismica INGV-Roma 116965491
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-02 20:16:47 ± 0.05
Latitude 43.4125 ± 0.0018
Longitude 12.7755 ± 0.0037
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 116965491

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 249
Semi-minor axis of confidence ellipse (meter) 63
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 83
Circular confidence region, given by single value of horizontal uncertainty (meter) 250.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 54
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.11
Epicentral distance of station closest to the epicenter (degree) 0.02428
Epicentral distance of station farthest from the epicenter (degree) 0.25091
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitude information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 4
Type of magnitude ML
Reference to an origin 116965491
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-02 20:34:18
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ATCC.EHZ. 2023-05-02T20:16:58.02 0.6 undecidable manual S 203 27.4503 96 0.39 45
IV.NARO.HHZ. 2023-05-02T20:16:57.67 0.6 undecidable manual S 325 27.0507 96 0.17 47
IV.EL6.EHZ. 2023-05-02T20:16:57.88 0.3 undecidable manual S 109 27.8499 96 0.15 71
IV.SNTG.HHZ. 2023-05-02T20:16:56.05 0.6 undecidable manual S 143 21.9669 100 -0.12 48
IV.PIEI.HHZ. 2023-05-02T20:16:56.44 0.6 undecidable manual S 305 23.6541 98 -0.19 47
IV.MPAG.EHZ. 2023-05-02T20:16:56.82 0.6 undecidable manual S 357 24.0537 98 0.1 48
IV.ARVD.HHZ. 2023-05-02T20:16:54.72 0.6 undecidable manual S 55 16.3725 109 -0.01 50
IV.ATFO.HHZ. 2023-05-02T20:16:54.96 0.6 undecidable manual S 253 17.1717 107 0.03 49
IV.EL6.EHZ. 2023-05-02T20:16:53.49 0.1 undecidable manual P 109 27.8499 96 -0.05 96
IV.FRON.EHZ. 2023-05-02T20:16:53.69 0.6 undecidable manual S 341 12.3765 121 -0.05 50
IV.NARO.HHZ. 2023-05-02T20:16:53.32 0.6 undecidable manual P 325 27.0507 96 -0.09 48
IV.FOSV.EHZ. 2023-05-02T20:16:53.74 0.6 undecidable manual S 185 13.0758 118 -0.18 48
IV.ATCC.EHZ. 2023-05-02T20:16:53.53 0.6 positive manual P 203 27.4503 96 0.05 48
IV.PIEI.HHZ. 2023-05-02T20:16:52.73 1.0 undecidable manual P 305 23.6541 98 -0.17 24
IV.SSFR.HNZ. 2023-05-02T20:16:52.19 0.6 undecidable manual S 12 2.6973 165 0.02 51
IV.MPAG.EHZ. 2023-05-02T20:16:52.97 0.1 undecidable manual P 357 24.0537 98 0.01 98
IV.SNTG.HHZ. 2023-05-02T20:16:52.38 1.0 undecidable manual P 143 21.9669 100 -0.26 23
IV.FOSV.EHZ. 2023-05-02T20:16:51.22 0.1 undecidable manual P 185 13.0758 118 -0.12 98
IV.ATFO.HHZ. 2023-05-02T20:16:51.88 0.1 undecidable manual P 253 17.1717 107 -0.04 99
IV.ARVD.HHZ. 2023-05-02T20:16:51.87 0.3 negative manual P 55 16.3725 109 0.06 74
IV.FRON.EHZ. 2023-05-02T20:16:51.22 0.1 undecidable manual P 341 12.3765 121 -0.02 100
IV.SSFR.HNZ. 2023-05-02T20:16:50.48 0.3 negative manual P 12 2.6973 165 0.15 74
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SSFR.HHN. ML:1.4 0.0003885 0.14 AML other m 2023-05-02T20:16:52.23
IV.SSFR.HNN. ML:1.8 0.0009175 0.16 AML other m 2023-05-02T20:16:52.23
IV.SSFR.HNE. ML:1.5 0.00041549999999999996 1.32 AML other m 2023-05-02T20:16:52.29
IV.SSFR.HHE. ML:1.1 0.00019700000000000002 0.74 AML other m 2023-05-02T20:16:52.42
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