Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 25-06-2020 and time 12:56:17 (Italy) in region 3 km SW Acqualagna (PU)

A magnitude ML 1.5 earthquake occured in region: 3 km SW Acqualagna (PU), on

  • 25-06-2020 10:56:17 (UTC)
  • 25-06-2020 12:56:17 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.5890, 12.6550 at 48 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.

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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
Acqualagna PU 3 4393 4393
Cagli PU 5 8731 13124
Fermignano PU 10 8596 21720
Frontone PU 11 1300 23020
Piobbico PU 12 2029 25049
Cantiano PU 13 2245 27294
Urbania PU 14 7099 34393
Serra Sant'Abbondio PU 14 1027 35420
Pergola PU 15 6333 41753
Urbino PU 15 15019 56772
Fossombrone PU 17 9575 66347
Peglio PU 18 696 67043
Apecchio PU 19 1882 68925
Isola del Piano PU 20 594 69519

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km SW of Fano (60888 inhabitants)
41 Km SW of Pesaro (94582 inhabitants)
53 Km S of Rimini (147750 inhabitants)
58 Km NE of Perugia (166134 inhabitants)
64 Km E of Arezzo (99543 inhabitants)
69 Km SE of Cesena (96758 inhabitants)
70 Km W of Ancona (100861 inhabitants)
71 Km N of Foligno (57155 inhabitants)
86 Km SE of Forlì (117913 inhabitants)
99 Km SE of Ravenna (159116 inhabitants)
99 Km SE of Faenza (58541 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 1.5 2020-06-25
10:56:17		 43.5893 12.6552 48 2020-11-19
12:37:02		 Bollettino Sismico Italiano INGV 83127221
Reviewed
Rev100 		ML 1.6 2020-06-25
10:56:17		 43.577 12.6482 47 2020-06-25
11:13:04		 Sala Sismica INGV-Roma 80493591
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-06-25 10:56:17 ± 0.12
Latitude 43.5893 ± 0.0054
Longitude 12.6552 ± 0.0087
Depth (km) 48 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 83127221

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 583
Semi-minor axis of confidence ellipse (meter) 490
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 70
Circular confidence region, given by single value of horizontal uncertainty (meter) 630.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 52
Number of associated phases, regardless of their use for origin computation 37
Number of defining phases 37
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.05846
Epicentral distance of station farthest from the epicenter (degree) 0.63762
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 23
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 24
Type of magnitude ML
Reference to an origin 80493591
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-06-25 11:13:04

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 22
Type of magnitude ML
Reference to an origin 83127221
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-09-22 09:43:26
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MURB.HHZ. 2020-06-25T10:56:34.03 0.6 undecidable manual S 196 37.7289 131 0.32 48
IV.FOSV.EHZ. 2020-06-25T10:56:33.06 0.3 undecidable manual S 165 33.744 135 -0.03 78
IV.ARVD.HHZ. 2020-06-25T10:56:32.21 0.3 undecidable manual S 114 25.1526 145 0.32 74
IV.ATPI.HNZ. 2020-06-25T10:56:32.25 0.3 undecidable manual S 233 25.4523 144 0.32 74
IV.ATVO.HHZ. 2020-06-25T10:56:32.83 0.3 undecidable manual S 221 30.4473 138 0.23 75
IV.PE3.EHZ. 2020-06-25T10:56:31.33 0.3 undecidable manual S 313 17.3715 155 0.28 76
IV.ATSC.EHZ. 2020-06-25T10:56:31.01 0.6 undecidable manual S 172 18.4704 153 -0.14 52
IV.ATPC.HHZ. 2020-06-25T10:56:31.47 0.6 undecidable manual S 233 19.9689 151 0.17 52
IV.SSFR.HHZ. 2020-06-25T10:56:31.46 0.3 undecidable manual S 149 19.7691 152 0.18 77
IV.ATFO.HHZ. 2020-06-25T10:56:31.98 0.6 undecidable manual S 195 25.5522 144 0.04 52
IV.MPAG.EHZ. 2020-06-25T10:56:30.20 0.6 undecidable manual S 62 9.4794 166 -0.27 51
IV.FRON.EHZ. 2020-06-25T10:56:30.51 0.3 undecidable manual S 144 9.7791 166 0.03 81
IV.CSP1.EHZ. 2020-06-25T10:56:30.72 0.3 undecidable manual P 141 70.7736 108 0.39 67
IV.NARO.HHZ. 2020-06-25T10:56:30.11 0.6 undecidable manual S 292 6.4935 170 -0.22 52
IV.PIEI.HHZ. 2020-06-25T10:56:30.28 0.3 undecidable manual S 238 11.3775 163 -0.29 76
IV.ASSB.HHZ. 2020-06-25T10:56:29.35 0.6 undecidable manual P 180 60.5949 113 0.21 47
IV.PESA.HHE. 2020-06-25T10:56:27.48 0.3 undecidable manual P 21 41.7249 127 0.38 71
IV.EL6.EHZ. 2020-06-25T10:56:27.45 0.6 undecidable manual P 129 46.1205 123 -0.09 50
IV.ATCC.EHZ. 2020-06-25T10:56:27.62 0.6 undecidable manual P 182 44.8218 124 0.21 49
IV.RSM2.HHE. 2020-06-25T10:56:27.38 0.6 undecidable manual P 337 42.1245 127 0.24 49
IV.CPGN.HNZ. 2020-06-25T10:56:26.60 1.0 undecidable manual P 311 35.6421 133 0.08 25
IV.FOSV.EHZ. 2020-06-25T10:56:26.02 0.3 undecidable manual P 165 33.744 135 -0.33 73
IV.MURB.HHZ. 2020-06-25T10:56:26.58 0.6 undecidable manual P 196 37.7289 131 -0.13 51
IV.CRTC.HHZ. 2020-06-25T10:56:26.08 0.3 undecidable manual P 43 27.0507 143 0.28 74
IV.PARC.HHZ. 2020-06-25T10:56:26.31 0.6 undecidable manual P 281 34.1436 135 -0.07 51
IV.ATFO.HHZ. 2020-06-25T10:56:25.57 0.3 undecidable manual P 195 25.5522 144 -0.12 77
IV.ARVD.HHZ. 2020-06-25T10:56:25.59 0.3 undecidable manual P 114 25.1526 145 -0.07 78
IV.PE3.EHZ. 2020-06-25T10:56:25.15 0.3 undecidable manual P 313 17.3715 155 -0.02 80
IV.ATPI.HNZ. 2020-06-25T10:56:25.84 0.3 undecidable manual P 233 25.4523 144 0.16 77
IV.ATVO.HHZ. 2020-06-25T10:56:25.86 0.3 undecidable manual P 221 30.4473 138 -0.21 75
IV.ATPC.HHZ. 2020-06-25T10:56:25.16 0.3 undecidable manual P 233 19.9689 151 -0.16 77
IV.SSFR.HHZ. 2020-06-25T10:56:24.97 0.3 undecidable manual P 149 19.7691 152 -0.34 75
IV.MPAG.EHZ. 2020-06-25T10:56:24.73 0.3 undecidable manual P 62 9.4794 166 -0.11 80
IV.FRON.EHZ. 2020-06-25T10:56:24.66 0.3 undecidable manual P 144 9.7791 166 -0.19 78
IV.PIEI.HHZ. 2020-06-25T10:56:24.93 1.0 undecidable manual P 238 11.3775 163 0.03 27
IV.NARO.HHZ. 2020-06-25T10:56:24.35 0.1 undecidable manual P 292 6.4935 170 -0.41 100
IV.ATSC.EHZ. 2020-06-25T10:56:24.88 0.3 undecidable manual P 172 18.4704 153 -0.35 75
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PIEI.HHN. ML:1.5 0.00009015451999999999 0.16 AML other m 2020-06-25T10:56:30.46
IV.PIEI.HHE. ML:1.6 0.00010811326500000001 0.1024 AML other m 2020-06-25T10:56:30.76
IV.MPAG.EHN. ML:0.9 0.00002192025 0.784 AML other m 2020-06-25T10:56:30.76
IV.MPAG.HNE. ML:2.3 0.0005705661499999999 1.1008 AML other m 2020-06-25T10:56:30.32
IV.MPAG.HNN. ML:2.3 0.0006384307 0.9472 AML other m 2020-06-25T10:56:30.40
IV.MPAG.EHE. ML:1.0 0.000029461775 0.224 AML other m 2020-06-25T10:56:31.59
IV.PE3.EHE. ML:1.6 0.000096462385 1.6224 AML other m 2020-06-25T10:56:31.11
IV.SSFR.HNE. ML:1.8 0.00017259205 0.1536 AML other m 2020-06-25T10:56:32.36
IV.SSFR.HHE. ML:1.8 0.00015735225 0.1408 AML other m 2020-06-25T10:56:32.36
IV.SSFR.HNN. ML:1.9 0.00021425585 0.1408 AML other m 2020-06-25T10:56:32.39
IV.SSFR.HHN. ML:1.8 0.00017163245 0.2368 AML other m 2020-06-25T10:56:32.46
IV.ATFO.HHN. ML:1.4 0.000054718635000000004 0.2176 AML other m 2020-06-25T10:56:33.16
IV.FOSV.EHE. ML:1.3 0.000043445125000000004 0.1408 AML other m 2020-06-25T10:56:33.32
IV.FOSV.EHN. ML:1.5 0.00006674625 0.16 AML other m 2020-06-25T10:56:33.37
IV.PE3.EHN. ML:1.8 0.00016941895 0.256 AML other m 2020-06-25T10:56:33.26
IV.ATFO.HHE. ML:1.3 0.00005017601 0.3008 AML other m 2020-06-25T10:56:33.59
IV.ATCC.EHN. ML:1.4 0.000043783205 0.32 AML other m 2020-06-25T10:56:37.47
IV.ATCC.EHE. ML:1.3 0.000037207144999999995 1.7952 AML other m 2020-06-25T10:56:37.03
IV.ASSB.HHE. ML:1.4 0.000033940695 0.2624 AML other m 2020-06-25T10:56:40.20
IV.ASSB.HHN. ML:1.5 0.000045594315 1.4624 AML other m 2020-06-25T10:56:41.07
IV.CSP1.EHE. ML:1.4 0.00003319087 1.6544 AML other m 2020-06-25T10:56:42.09
IV.CSP1.EHN. ML:1.6 0.00004541915 0.3008 AML other m 2020-06-25T10:56:43.60
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