Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.5 on date 18-06-2024 and time 09:58:34 (Italy) in region 4 km N Frontone (PU)

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

  • 18-06-2024 07:58:34 (UTC)
  • 18-06-2024 09:58:34 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.5550, 12.7450 at 20 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
Frontone PU 4 1300 1300
Serra Sant'Abbondio PU 7 1027 2327
Pergola PU 8 6333 8660
Cagli PU 8 8731 17391
Acqualagna PU 9 4393 21784
Cantiano PU 13 2245 24029
Fratte Rosa PU 15 966 24995
Fossombrone PU 16 9575 34570
Fermignano PU 16 8596 43166
Sassoferrato AN 16 7285 50451
Arcevia AN 17 4612 55063
San Lorenzo in Campo PU 17 3414 58477
Sant'Ippolito PU 18 1563 60040
Scheggia e Pascelupo PG 18 1393 61433
Piobbico PU 19 2029 63462
Castelleone di Suasa AN 20 1676 65138
Barchi PU 20 967 66105

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km SW of Fano (60888 inhabitants)
42 Km SW of Pesaro (94582 inhabitants)
58 Km NE of Perugia (166134 inhabitants)
58 Km S of Rimini (147750 inhabitants)
63 Km W of Ancona (100861 inhabitants)
67 Km N of Foligno (57155 inhabitants)
70 Km E of Arezzo (99543 inhabitants)
76 Km SE of Cesena (96758 inhabitants)
93 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 0.5 2024-06-18
07:58:34		 43.555 12.7448 20 2024-06-18
08:11:13		 Sala Sismica INGV-Roma 129025621
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-06-18 07:58:34 ± 0.23
Latitude 43.5550 ± 0.0081
Longitude 12.7448 ± 0.0099
Depth (km) 20 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 129025621

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 860
Semi-minor axis of confidence ellipse (meter) 455
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 169
Circular confidence region, given by single value of horizontal uncertainty (meter) 860.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 159
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.03957
Epicentral distance of station farthest from the epicenter (degree) 0.22123
Number of stations at which the event was observed 8
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 8
Type of magnitude ML
Reference to an origin 129025621
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-06-18 08:11:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ATPC.HNN. 2024-06-18T07:58:44.91 0.3 undecidable manual S 251 24.5532 121 0.37 92
IV.ATBU.EHZ. 2024-06-18T07:58:43.47 0.3 undecidable manual S 241 18.0708 131 0.33 93
IV.NARO.HHZ. 2024-06-18T07:58:42.24 0.3 undecidable manual S 295 14.5743 138 -0.23 96
IV.PIEI.HHZ. 2024-06-18T07:58:42.53 0.3 undecidable manual S 263 16.9719 133 -0.39 92
IV.SSFR.HHZ. 2024-06-18T07:58:42.28 0.6 undecidable manual S 167 13.4754 140 0 67
IV.MPAG.EHZ. 2024-06-18T07:58:41.61 0.3 undecidable manual S 8 8.2806 154 0.08 98
IV.FRON.EHZ. 2024-06-18T07:58:40.98 0.3 undecidable manual S 200 4.3956 166 -0.18 99
IV.ATPC.HNN. 2024-06-18T07:58:40.56 0.6 undecidable manual P 251 24.5532 121 0.12 64
IV.ATSC.EHZ. 2024-06-18T07:58:39.30 0.3 undecidable manual P 198 15.2736 136 -0.01 99
IV.MPAG.EHZ. 2024-06-18T07:58:39.02 0.3 undecidable manual P 8 8.2806 154 0.33 94
IV.NARO.HHZ. 2024-06-18T07:58:39.23 0.3 undecidable manual P 295 14.5743 138 -0.01 100
IV.ATBU.EHZ. 2024-06-18T07:58:39.44 0.6 undecidable manual P 241 18.0708 131 -0.19 64
IV.PIEI.HHZ. 2024-06-18T07:58:39.14 0.6 undecidable manual P 263 16.9719 133 -0.36 62
IV.SSFR.HHZ. 2024-06-18T07:58:38.94 0.6 undecidable manual P 167 13.4754 140 -0.19 64
IV.FRON.EHZ. 2024-06-18T07:58:38.56 0.3 undecidable manual P 200 4.3956 166 0.08 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PIEI.HHN. ML:0.6 0.000025500000000000003 0.16 AML other m 2024-06-18T07:58:42.75
IV.PIEI.HHE. ML:0.8 0.000037250000000000004 0.1 AML other m 2024-06-18T07:58:42.93
IV.SSFR.HHN. ML:0.6 0.000027099999999999998 1.02 AML other m 2024-06-18T07:58:43.71
IV.SSFR.HHE. ML:0.6 0.00002985 0.9 AML other m 2024-06-18T07:58:43.26
IV.FRON.EHE. ML:0.4 0.000019183355 0.08 AML other m 2024-06-18T07:58:41.07
IV.FRON.EHN. ML:0.3 0.000017101165000000002 0.14 AML other m 2024-06-18T07:58:41.34
IV.NARO.HHE. ML:0.4 0.00001738053 0.06 AML other m 2024-06-18T07:58:42.37
IV.NARO.HHN. ML:0.2 0.000008938424 0.06 AML other m 2024-06-18T07:58:42.90
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