Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.6 on date 25-05-2023 and time 23:36:44 (Italy) in region 4 km W Serra Sant'Abbondio (PU)

A magnitude ML 0.6 earthquake occured in region: 4 km W Serra Sant'Abbondio (PU), on

  • 25-05-2023 21:36:44 (UTC)
  • 25-05-2023 23:36:44 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.4760, 12.7300 at 15 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Serra Sant'Abbondio PU 4 1027 1027
Frontone PU 4 1300 2327
Cantiano PU 8 2245 4572
Scheggia e Pascelupo PG 9 1393 5965
Cagli PU 10 8731 14696
Sassoferrato AN 11 7285 21981
Costacciaro PG 13 1216 23197
Pergola PU 13 6333 29530
Sigillo PG 16 2404 31934
Acqualagna PU 16 4393 36327
Arcevia AN 17 4612 40939
Genga AN 17 1797 42736
Gubbio PG 18 32216 74952

Municipalities with at least 50000 inhabitants

An earthquake occurred to
47 Km SW of Fano (60888 inhabitants)
49 Km NE of Perugia (166134 inhabitants)
51 Km SW of Pesaro (94582 inhabitants)
58 Km N of Foligno (57155 inhabitants)
66 Km W of Ancona (100861 inhabitants)
66 Km S of Rimini (147750 inhabitants)
68 Km E of Arezzo (99543 inhabitants)
83 Km SE of Cesena (96758 inhabitants)
100 Km SE of Forlì (117913 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 0.6 2023-05-25
21:36:44		 43.4762 12.7302 15 2023-05-25
21:54:24		 Sala Sismica INGV-Roma 117728941
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-25 21:36:44 ± 0.09
Latitude 43.4762 ± 0.0036
Longitude 12.7302 ± 0.0050
Depth (km) 15 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 117728941

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 353
Semi-minor axis of confidence ellipse (meter) 315
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 277
Circular confidence region, given by single value of horizontal uncertainty (meter) 350.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 86
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
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) 0.04137
Epicentral distance of station farthest from the epicenter (degree) 0.29857
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

ML:0.6

Field Value
Value 0.6
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 117728941
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-25 21:54:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ATCC.EHZ. 2023-05-25T21:36:55.84 0.6 undecidable manual S 193 33.1446 101 0.35 45
IV.FOSV.EHZ. 2023-05-25T21:36:52.01 0.6 undecidable manual S 173 20.2686 113 -0.2 47
IV.ATFO.HHZ. 2023-05-25T21:36:51.65 0.6 undecidable manual S 226 17.6712 118 0.08 48
IV.PIEI.HHZ. 2023-05-25T21:36:51.37 0.3 undecidable manual S 293 17.0718 119 -0.06 74
IV.ARVD.HHZ. 2023-05-25T21:36:51.50 0.6 undecidable manual S 82 17.1717 119 0.04 49
IV.ATCC.EHZ. 2023-05-25T21:36:50.69 1.0 positive manual P 193 33.1446 101 0 24
IV.SSFR.HHZ. 2023-05-25T21:36:49.29 0.6 undecidable manual S 136 6.0939 153 -0.07 50
IV.FRON.EHZ. 2023-05-25T21:36:49.26 0.6 undecidable manual S 356 4.5954 159 0.06 50
IV.ARVD.HHZ. 2023-05-25T21:36:48.53 1.0 negative manual P 82 17.1717 119 0.18 24
IV.FOSV.EHZ. 2023-05-25T21:36:48.61 0.1 undecidable manual P 173 20.2686 113 -0.17 95
IV.ATFO.HHZ. 2023-05-25T21:36:48.40 0.1 undecidable manual P 226 17.6712 118 -0.02 99
IV.PIEI.HHZ. 2023-05-25T21:36:48.28 0.1 undecidable manual P 293 17.0718 119 -0.05 98
IV.SSFR.HHZ. 2023-05-25T21:36:47.18 0.1 undecidable manual P 136 6.0939 153 0.04 100
IV.FRON.EHZ. 2023-05-25T21:36:47.14 0.6 undecidable manual P 356 4.5954 159 0.09 50
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FRON.EHE. ML:0.6 0.00005015 0.16 AML other m 2023-05-25T21:36:49.28
IV.SSFR.HHE. ML:1.0 0.00010005 0.2 AML other m 2023-05-25T21:36:49.42
IV.SSFR.HHN. ML:0.9 0.00008735 0.1 AML other m 2023-05-25T21:36:49.66
IV.FRON.EHN. ML:0.6 0.0000394 0.96 AML other m 2023-05-25T21:36:50.02
IV.PIEI.HHN. ML:0.3 0.00001605 0.88 AML other m 2023-05-25T21:36:51.01
IV.PIEI.HHE. ML:0.6 0.00003195 0.34 AML other m 2023-05-25T21:36:51.67
IV.FOSV.EHE. ML:0.5 0.000018950000000000003 0.88 AML other m 2023-05-25T21:36:52.09
IV.FOSV.EHN. ML:0.4 0.000013899999999999999 0.4 AML other m 2023-05-25T21:36:52.20
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