Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 25-02-2021 and time 12:15:55 (UTC) in region 4 km S Mercatello sul Metauro (PU)

A magnitude ML 1.5 earthquake occured in region: 4 km S Mercatello sul Metauro (PU), on

  • 25-02-2021 12:15:55 (UTC)
  • 25-02-2021 13:15:55 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.6170, 12.3490 at 10 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
Mercatello sul Metauro PU 4 1378 1378
Borgo Pace PU 6 606 1984
Sant'Angelo in Vado PU 8 4133 6117
Apecchio PU 9 1882 7999
Sestino AR 11 1355 9354
Belforte all'Isauro PU 12 769 10123
Piandimeleto PU 13 2167 12290
Piobbico PU 13 2029 14319
Lunano PU 15 1527 15846
Peglio PU 15 696 16542
Urbania PU 15 7099 23641
San Giustino PG 16 11297 34938
Badia Tedalda AR 17 1087 36025
Frontino PU 17 293 36318
Sansepolcro AR 17 15884 52202
Carpegna PU 18 1674 53876
Città di Castello PG 20 39913 93789

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km E of Arezzo (99543 inhabitants)
53 Km SW of Rimini (147750 inhabitants)
56 Km SW of Pesaro (94582 inhabitants)
57 Km N of Perugia (166134 inhabitants)
59 Km S of Cesena (96758 inhabitants)
60 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)
88 Km E of Siena (53903 inhabitants)
89 Km E of Firenze (382808 inhabitants)
90 Km S of Ravenna (159116 inhabitants)
94 Km W of Ancona (100861 inhabitants)
95 Km E of Scandicci (50609 inhabitants)
96 Km SE of Imola (69797 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 2021-02-25
12:15:55		 43.6168 12.3487 10 2021-07-12
16:55:12		 Bollettino Sismico Italiano INGV 90447481
Reviewed
Rev100 		ML 1.5 2021-02-25
12:15:55		 43.6135 12.3482 10 2021-02-25
12:26:27		 Sala Sismica INGV-Roma 87476991
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-02-25 12:15:55 ± 0.06
Latitude 43.6168 ± 0.0036
Longitude 12.3487 ± 0.0037
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 90447481

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 357
Semi-minor axis of confidence ellipse (meter) 234
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 359
Circular confidence region, given by single value of horizontal uncertainty (meter) 360.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 62
Number of associated phases, regardless of their use for origin computation 35
Number of defining phases 35
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.06655
Epicentral distance of station farthest from the epicenter (degree) 0.39930
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 19
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 32
Type of magnitude ML
Reference to an origin 90447481
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-05-24 10:58:23

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 32
Type of magnitude ML
Reference to an origin 87476991
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-02-25 12:26:27
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CAFI.HHZ. 2021-02-25T12:16:10.77 0.6 undecidable manual S 224 44.3223 50 0.2 47
IV.CRE.HHZ. 2021-02-25T12:16:07.19 0.3 undecidable manual S 271 31.8459 50 -0.05 74
IV.FRON.EHZ. 2021-02-25T12:16:07.65 0.6 undecidable manual S 110 32.2455 50 0.31 46
IV.ATFO.HHZ. 2021-02-25T12:16:07.96 0.6 undecidable manual S 147 33.0447 50 0.41 45
IV.MPAG.EHZ. 2021-02-25T12:16:07.61 0.6 undecidable manual S 87 33.0447 50 0.07 49
IV.CPGN.EHZ. 2021-02-25T12:16:05.09 0.6 undecidable manual S 354 20.5683 115 1.23 33
IV.ATVO.HHZ. 2021-02-25T12:16:05.83 0.6 undecidable manual S 170 26.4513 110 0.08 49
IV.CAFI.HHZ. 2021-02-25T12:16:04.43 0.1 undecidable manual P 224 44.3223 50 0.03 96
IV.MURB.HHZ. 2021-02-25T12:16:04.11 0.3 undecidable manual P 160 41.7249 50 0.11 71
IV.SSFR.HHZ. 2021-02-25T12:16:03.50 0.3 undecidable manual P 120 40.2264 50 -0.26 69
IV.ATPI.EHZ. 2021-02-25T12:16:03.58 0.3 undecidable manual S 167 18.9699 117 0.22 73
IV.SSP9.EHZ. 2021-02-25T12:16:03.08 0.6 undecidable manual S 255 18.0708 118 -0.02 51
IV.BADI.EHZ. 2021-02-25T12:16:02.12 0.3 undecidable manual S 215 14.5743 124 0.08 75
IV.NARO.HHZ. 2021-02-25T12:16:02.99 0.3 undecidable manual S 92 18.6702 118 -0.27 72
IV.MPAG.EHZ. 2021-02-25T12:16:02.53 0.3 undecidable manual P 87 33.0447 50 -0.12 72
IV.PE3.EHN. 2021-02-25T12:16:02.34 0.3 undecidable manual S 53 14.7741 123 0.25 73
IV.CRE.HHZ. 2021-02-25T12:16:02.18 0.3 undecidable manual P 271 31.8459 50 -0.3 70
IV.ATMI.HHZ. 2021-02-25T12:16:02.48 0.3 undecidable manual P 192 32.0457 50 -0.02 74
IV.PIEI.HHZ. 2021-02-25T12:16:02.62 0.3 undecidable manual S 121 17.4714 119 -0.28 72
IV.FRON.EHZ. 2021-02-25T12:16:02.25 0.1 undecidable manual P 110 32.2455 50 -0.28 94
IV.ATFO.HHZ. 2021-02-25T12:16:02.54 0.1 undecidable manual P 147 33.0447 50 -0.12 97
IV.ATVO.HHZ. 2021-02-25T12:16:01.61 0.1 undecidable manual P 170 26.4513 110 -0.01 100
IV.CPGN.EHZ. 2021-02-25T12:16:01.04 0.3 undecidable manual P 354 20.5683 115 0.52 68
IV.SSP9.EHZ. 2021-02-25T12:16:00.00 0.3 undecidable manual P 255 18.0708 118 -0.08 75
IV.NARO.HHZ. 2021-02-25T12:16:00.05 0.1 undecidable manual P 92 18.6702 118 -0.13 99
IV.PARC.HHZ. 2021-02-25T12:16:00.21 0.3 undecidable manual S 292 9.4794 136 -0.47 70
IV.ATPI.EHZ. 2021-02-25T12:16:00.37 0.3 undecidable manual P 167 18.9699 117 0.14 74
IV.APEC.HHZ. 2021-02-25T12:16:00.73 0.3 undecidable manual S 139 8.6802 138 0.25 74
IV.SAIV.HNN. 2021-02-25T12:15:59.67 0.6 undecidable manual S 44 7.3815 143 -0.53 46
IV.BADI.EHZ. 2021-02-25T12:15:59.59 0.1 positive manual P 215 14.5743 124 0.12 100
IV.PE3.EHN. 2021-02-25T12:15:59.65 0.3 undecidable manual P 53 14.7741 123 0.14 74
IV.PIEI.HHZ. 2021-02-25T12:15:59.81 0.1 negative manual P 121 17.4714 119 -0.17 98
IV.APEC.HHZ. 2021-02-25T12:15:58.79 0.1 undecidable manual P 139 8.6802 138 0.22 99
IV.SAIV.HNN. 2021-02-25T12:15:58.35 0.3 undecidable manual P 44 7.3815 143 -0.06 77
IV.PARC.HHZ. 2021-02-25T12:15:58.52 0.1 undecidable manual P 292 9.4794 136 -0.17 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.APEC.HHE. ML:1.7 0.0007740000000000001 0.48 AML other m 2021-02-25T12:16:02.35
IV.APEC.HHN. ML:1.7 0.0006665 0.54 AML other m 2021-02-25T12:16:02.62
IV.BADI.EHN. ML:1.6 0.00039200000000000004 0.22 AML other m 2021-02-25T12:16:02.60
IV.BADI.EHE. ML:1.8 0.0006895 0.12 AML other m 2021-02-25T12:16:02.70
IV.PIEI.HHE. ML:1.8 0.000521 0.12 AML other m 2021-02-25T12:16:03.23
IV.NARO.HHN. ML:1.7 0.000402 0.12 AML other m 2021-02-25T12:16:03.46
IV.NARO.HHE. ML:1.6 0.0003215 0.42 AML other m 2021-02-25T12:16:03.53
IV.PIEI.HHN. ML:1.7 0.00038849999999999996 1.12 AML other m 2021-02-25T12:16:03.01
IV.SSP9.EHN. ML:1.0 0.00009043598 0.1408 AML other m 2021-02-25T12:16:03.72
IV.SSP9.EHE. ML:1.2 0.000133 0.38 AML other m 2021-02-25T12:16:04.35
IV.CPGN.EHN. ML:1.4 0.0001962 0.94 AML other m 2021-02-25T12:16:06.06
IV.ATVO.HHE. ML:1.7 0.000285 0.66 AML other m 2021-02-25T12:16:06.92
IV.CPGN.EHE. ML:1.6 0.0003075 0.22 AML other m 2021-02-25T12:16:06.63
IV.ATPI.EHE. ML:1.4 0.0002045 0.32 AML other m 2021-02-25T12:16:06.67
IV.ATVO.HHN. ML:1.6 0.00022200000000000003 0.54 AML other m 2021-02-25T12:16:06.70
IV.ATPI.EHN. ML:1.6 0.000275 0.58 AML other m 2021-02-25T12:16:06.52
IV.MPAG.EHE. ML:1.3 0.00009005 0.1 AML other m 2021-02-25T12:16:07.82
IV.MPAG.EHN. ML:1.4 0.000106 0.18 AML other m 2021-02-25T12:16:07.77
IV.CRE.HHN. ML:1.4 0.0000983 0.58 AML other m 2021-02-25T12:16:08.01
IV.FRON.EHE. ML:1.2 0.0000703 0.66 AML other m 2021-02-25T12:16:08.12
IV.FRON.EHN. ML:1.5 0.00015250000000000002 1.08 AML other m 2021-02-25T12:16:08.20
IV.ATFO.HHN. ML:1.3 0.00007869999999999999 0.62 AML other m 2021-02-25T12:16:08.26
IV.ATFO.HHE. ML:1.2 0.0000719 0.64 AML other m 2021-02-25T12:16:09.07
IV.CRE.HHE. ML:1.0 0.0000492 0.88 AML other m 2021-02-25T12:16:09.46
IV.ATMI.HHN. ML:1.5 0.00014050000000000003 0.44 AML other m 2021-02-25T12:16:10.30
IV.SSFR.HHN. ML:1.6 0.0001505 0.1 AML other m 2021-02-25T12:16:10.80
IV.SSFR.HHE. ML:1.6 0.0001455 1.28 AML other m 2021-02-25T12:16:10.91
IV.MURB.HHN. ML:2.0 0.000321 0.22 AML other m 2021-02-25T12:16:11.33
IV.MURB.HHE. ML:1.8 0.0002055 1.76 AML other m 2021-02-25T12:16:12.04
IV.CAFI.HHE. ML:1.2 0.000046649999999999996 1.54 AML other m 2021-02-25T12:16:12.12
IV.CAFI.HHN. ML:1.3 0.00006644999999999999 0.42 AML other m 2021-02-25T12:16:12.41
IV.ATMI.HHE. ML:1.4 0.0001245 0.46 AML other m 2021-02-25T12:16:14.43
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