Earthquake with magnitude of ML 0.5 on date 07-06-2023 and time 22:54:57 (Italy) in region 4 km SW Frontone (PU)

A magnitude ML 0.5 earthquake occured in region: 4 km SW Frontone (PU), on

  • 07-06-2023 20:54:57 (UTC)
  • 07-06-2023 22:54:57 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.4940, 12.7010 at 15 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
Frontone PU 4 1300 1300
Serra Sant'Abbondio PU 6 1027 2327
Cantiano PU 6 2245 4572
Cagli PU 7 8731 13303
Scheggia e Pascelupo PG 10 1393 14696
Pergola PU 13 6333 21029
Acqualagna PU 14 4393 25422
Sassoferrato AN 14 7285 32707
Costacciaro PG 15 1216 33923
Sigillo PG 18 2404 36327
Gubbio PG 18 32216 68543
Piobbico PU 19 2029 70572
Arcevia AN 19 4612 75184

Municipalities with at least 50000 inhabitants

An earthquake occurred to
47 Km SW of Fano (60888 inhabitants)
49 Km SW of Pesaro (94582 inhabitants)
50 Km NE of Perugia (166134 inhabitants)
60 Km N of Foligno (57155 inhabitants)
64 Km S of Rimini (147750 inhabitants)
66 Km E of Arezzo (99543 inhabitants)
67 Km W of Ancona (100861 inhabitants)
80 Km SE of Cesena (96758 inhabitants)
97 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
Bulletin
Rev1000
ML 0.5 2023-06-07
20:54:57
43.4942 12.7013 15 2024-09-10
16:44:17
Bollettino Sismico Italiano INGV 120847281
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-06-07 20:54:57 ± 0.15
Latitude 43.4942 ± 0.0045
Longitude 12.7013 ± 0.0062
Depth (km) 15 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 120847281

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 560
Semi-minor axis of confidence ellipse (meter) 95
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 52
Circular confidence region, given by single value of horizontal uncertainty (meter) 560.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 98
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.14569
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 8
Magnitude information

ML:0.5

Field Value
Value 0.5
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 120847281
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-09-07 09:40:25
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MPAG.EHZ. 2023-06-07T20:55:05.15 0.3 undecidable manual S 17 15.6732 122 0.25 71
IV.PIEI.HHZ. 2023-06-07T20:55:04.29 0.1 undecidable manual S 289 14.1747 126 -0.28 93
IV.ATBU.EHZ. 2023-06-07T20:55:04.69 0.3 undecidable manual S 261 12.4764 131 0.47 67
IV.NARO.HHZ. 2023-06-07T20:55:04.94 0.1 undecidable manual S 323 16.1727 121 -0.08 96
IV.ATSC.EHE. 2023-06-07T20:55:03.33 0.1 undecidable manual S 189 7.881 146 -0.07 99
IV.SSFR.HHZ. 2023-06-07T20:55:03.53 0.1 undecidable manual S 135 9.1797 142 -0.07 98
IV.TSM5.DHN.01 2023-06-07T20:55:03.27 0.1 undecidable manual S 259 8.0808 145 -0.16 97
IV.ARVD.HHZ. 2023-06-07T20:55:02.88 3.0 undecidable manual P 0.07 0
IV.MPAG.EHZ. 2023-06-07T20:55:02.05 0.3 undecidable manual P 17 15.6732 122 0.12 73
IV.FOSV.EHZ. 2023-06-07T20:55:02.71 3.0 undecidable manual P -0.15 0
IV.FRON.EHZ. 2023-06-07T20:55:02.84 0.1 undecidable manual S 37 3.2967 165 -0.05 99
IV.PIEI.HHZ. 2023-06-07T20:55:01.63 0.1 undecidable manual P 289 14.1747 126 -0.1 96
IV.ATBU.EHZ. 2023-06-07T20:55:01.74 0.1 positive manual P 261 12.4764 131 0.21 95
IV.NARO.HHZ. 2023-06-07T20:55:01.93 0.1 undecidable manual P 323 16.1727 121 -0.07 96
IV.ATSC.EHE. 2023-06-07T20:55:01.04 0.1 positive manual P 189 7.881 146 -0.03 99
IV.SSFR.HHZ. 2023-06-07T20:55:01.22 0.1 undecidable manual P 135 9.1797 142 0.04 99
IV.TSM5.DHN.01 2023-06-07T20:55:01.14 0.1 undecidable manual P 259 8.0808 145 0.05 99
IV.FRON.EHZ. 2023-06-07T20:55:00.79 0.1 negative manual P 37 3.2967 165 0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SSFR.HHN. ML:0.8 0.0000641 0.14 AML other m 2023-06-07T20:55:03.92
IV.PIEI.HHN. ML:0.4 0.00001865 0.3 AML other m 2023-06-07T20:55:04.52
IV.SSFR.HHE. ML:0.7 0.00004475 0.6 AML other m 2023-06-07T20:55:04.74
IV.PIEI.HHE. ML:0.6 0.0000307 0.12 AML other m 2023-06-07T20:55:04.61
IV.NARO.HHE. ML:0.3 0.000013650000000000001 1.82 AML other m 2023-06-07T20:55:04.97
IV.NARO.HHN. ML:0.3 0.000012699999999999999 0.84 AML other m 2023-06-07T20:55:05.44
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