Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.4 on date 27-06-2021 and time 18:42:39 (Italy) in region 6 km SW Mercatello sul Metauro (PU)

A magnitude ML 0.4 earthquake occured in region: 6 km SW Mercatello sul Metauro (PU), on

  • 27-06-2021 16:42:39 (UTC)
  • 27-06-2021 18:42:39 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.6030, 12.3040 at 8 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
Mercatello sul Metauro PU 6 1378 1378
Borgo Pace PU 6 606 1984
Apecchio PU 11 1882 3866
Sant'Angelo in Vado PU 11 4133 7999
Sestino AR 12 1355 9354
San Giustino PG 12 11297 20651
Sansepolcro AR 14 15884 36535
Belforte all'Isauro PU 14 769 37304
Badia Tedalda AR 15 1087 38391
Piandimeleto PU 16 2167 40558
Piobbico PU 17 2029 42587
Città di Castello PG 17 39913 82500
Lunano PU 18 1527 84027
Peglio PU 19 696 84723
Citerna PG 19 3531 88254
Frontino PU 19 293 88547
Urbania PU 19 7099 95646

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km E of Arezzo (99543 inhabitants)
55 Km SW of Rimini (147750 inhabitants)
56 Km N of Perugia (166134 inhabitants)
60 Km S of Cesena (96758 inhabitants)
60 Km SW of Pesaro (94582 inhabitants)
64 Km W of Fano (60888 inhabitants)
72 Km SE of Forlì (117913 inhabitants)
79 Km NW of Foligno (57155 inhabitants)
83 Km SE of Faenza (58541 inhabitants)
85 Km E of Siena (53903 inhabitants)
86 Km E of Firenze (382808 inhabitants)
91 Km S of Ravenna (159116 inhabitants)
92 Km E of Scandicci (50609 inhabitants)
96 Km SE of Imola (69797 inhabitants)
98 Km W of Ancona (100861 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 0.4 2021-06-27
16:42:39		 43.603 12.3037 8 2021-06-27
16:55:06		 Sala Sismica INGV-Roma 91969521
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-06-27 16:42:39 ± 0.14
Latitude 43.6030 ± 0.0036
Longitude 12.3037 ± 0.0037
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 91969521

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 448
Semi-minor axis of confidence ellipse (meter) 146
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 332
Circular confidence region, given by single value of horizontal uncertainty (meter) 450.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 243
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.08
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.23292
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 5
Magnitude information

ML:0.4

Field Value
Value 0.4
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 91969521
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-06-27 16:55:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MFNL.HHZ. 2021-06-27T16:43:45.33 3.0 undecidable manual Sg 8.38 0
GU.MAIM.HHZ. 2021-06-27T16:43:37.35 3.0 undecidable manual Sn -0.71 0
GU.BURY.HHZ. 2021-06-27T16:43:32.88 3.0 positive manual Pg 13.3 0
ST.CARE.EHZ. 2021-06-27T16:43:29.19 3.0 undecidable manual Pn 3.22 0
IV.ORI.HHZ. 2021-06-27T16:43:09.37 3.0 undecidable manual Sn -3.59 0
IT.LNT.HGZ. 2021-06-27T16:43:09.49 3.0 undecidable manual Pn 4.15 0
IV.HCRL.HHZ. 2021-06-27T16:43:05.07 3.0 positive manual Pn -0.42 0
IV.LADO.EHZ. 2021-06-27T16:42:56.55 3.0 negative manual Pn 2.69 0
IV.ATVO.HHZ. 2021-06-27T16:42:48.67 0.6 undecidable manual S 161 25.8519 107 -0.14 48
IV.NARO.HHZ. 2021-06-27T16:42:47.64 0.6 undecidable manual S 88 22.2555 110 0.01 49
IV.ATPI.EHZ. 2021-06-27T16:42:46.54 0.6 undecidable manual S 155 18.6702 113 0.07 49
IV.PIEI.HHZ. 2021-06-27T16:42:46.95 0.6 undecidable manual S 112 20.0688 112 0.04 49
IV.CRE.HHZ. 2021-06-27T16:42:44.82 3.0 positive manual Pn -1.04 0
IV.ATVO.HHZ. 2021-06-27T16:42:44.88 0.6 negative manual P 161 25.8519 107 0.04 49
IV.BADI.EHZ. 2021-06-27T16:42:44.21 0.6 undecidable manual S 205 11.3775 125 -0.04 50
IV.ATPI.EHZ. 2021-06-27T16:42:43.71 1.0 undecidable manual P 155 18.6702 113 0.22 24
IV.PIEI.HHZ. 2021-06-27T16:42:43.73 0.6 positive manual P 112 20.0688 112 -0.01 49
IV.NARO.HHZ. 2021-06-27T16:42:43.94 1.0 undecidable manual P 88 22.2555 110 -0.22 24
IV.BADI.EHZ. 2021-06-27T16:42:42.23 0.1 positive manual P 205 11.3775 125 0.02 100
IV.VBKN.HHZ. 2021-06-27T16:42:31.10 3.0 undecidable manual Sn 0.29 0
IV.CRTO.HHZ. 2021-06-27T16:42:30.54 3.0 undecidable manual S -0.27 0
IV.VCRE.HHZ. 2021-06-27T16:42:30.72 3.0 undecidable manual S -0.27 0
IV.VTIR.HHZ. 2021-06-27T16:42:30.91 3.0 undecidable manual S -0.13 0
IV.IOCA.HHZ. 2021-06-27T16:42:23.35 3.0 undecidable manual S -2.12 0
IV.VCRE.HHZ. 2021-06-27T16:42:19.83 3.0 positive manual P 0.06 0
IV.MIDA.HHZ. 2021-06-27T16:42:19.43 3.0 positive manual P 1.19 0
IV.CRTO.HHZ. 2021-06-27T16:42:19.68 3.0 undecidable manual P 0.01 0
IV.SGG.HHZ. 2021-06-27T16:42:18.62 3.0 positive manual P 0.79 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BADI.EHN. ML:0.9 0.0000976 0.12 AML other m 2021-06-27T16:42:44.35
IV.BADI.EHE. ML:0.8 0.0000826 0.12 AML other m 2021-06-27T16:42:44.37
IV.PIEI.HHE. ML:0.4 0.00001765 1 AML other m 2021-06-27T16:42:47.30
IV.PIEI.HHN. ML:0.1 0.00000952 1.52 AML other m 2021-06-27T16:42:47.92
IV.ATVO.HHE. ML:0.6 0.000026500000000000004 0.36 AML other m 2021-06-27T16:42:49.29
IV.ATVO.HHN. ML:0.4 0.0000164 0.26 AML other m 2021-06-27T16:42:49.50
IV.ATPI.EHE. ML:0.1 0.00001089673 0.1792 AML other m 2021-06-27T16:42:46.76
IV.ATPI.EHN. ML:0.1 0.00001098899 0.128 AML other m 2021-06-27T16:42:47.40
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