Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 07-10-2021 and time 10:51:08 (UTC) in region 5 km SW Mercatello sul Metauro (PU)

A magnitude ML 1.1 earthquake occured in region: 5 km SW Mercatello sul Metauro (PU), on

  • 07-10-2021 10:51:08 (UTC)
  • 07-10-2021 12:51:08 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.6040, 12.3140 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 5 1378 1378
Borgo Pace PU 6 606 1984
Apecchio PU 10 1882 3866
Sant'Angelo in Vado PU 11 4133 7999
Sestino AR 12 1355 9354
San Giustino PG 13 11297 20651
Belforte all'Isauro PU 14 769 21420
Sansepolcro AR 14 15884 37304
Badia Tedalda AR 15 1087 38391
Piandimeleto PU 16 2167 40558
Piobbico PU 16 2029 42587
Città di Castello PG 17 39913 82500
Lunano PU 18 1527 84027
Peglio PU 18 696 84723
Urbania PU 19 7099 91822
Frontino PU 19 293 92115
Citerna PG 20 3531 95646
Carpegna PU 20 1674 97320

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km E of Arezzo (99543 inhabitants)
55 Km SW of Rimini (147750 inhabitants)
56 Km N of Perugia (166134 inhabitants)
59 Km SW of Pesaro (94582 inhabitants)
60 Km S of Cesena (96758 inhabitants)
63 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)
87 Km E of Firenze (382808 inhabitants)
91 Km S of Ravenna (159116 inhabitants)
93 Km E of Scandicci (50609 inhabitants)
96 Km SE of Imola (69797 inhabitants)
97 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
Bulletin
Rev1000 		ML 1.1 2021-10-07
10:51:08		 43.6035 12.3138 10 2022-03-30
13:04:28		 Bollettino Sismico Italiano INGV 99534381
Reviewed
Rev100 		ML 1.1 2021-10-07
10:51:08		 43.6037 12.3178 10 2021-10-07
10:56:48		 Sala Sismica INGV-Roma 96315891
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-10-07 10:51:08 ± 0.11
Latitude 43.6035 ± 0.0045
Longitude 12.3138 ± 0.0062
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 99534381

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 529
Semi-minor axis of confidence ellipse (meter) 380
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 154
Circular confidence region, given by single value of horizontal uncertainty (meter) 530.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 105
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.37232
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.1
Num. used stations 6
Type of magnitude ML
Reference to an origin 99534381
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-01-10 14:46:59

ML:1.1

Field Value
Value 1.1
Uncertainty 0.1
Num. used stations 6
Type of magnitude ML
Reference to an origin 96315891
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-10-07 10:56:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CAFI.HHZ. 2021-10-07T10:51:22.06 0.3 undecidable manual S 223 41.3253 50 0.24 69
IV.BRSN.EHZ. 2021-10-07T10:51:21.06 3.0 undecidable manual P 0 0
IV.ATVO.HHZ. 2021-10-07T10:51:17.39 0.6 undecidable manual S 163 25.6521 111 -0.22 48
IV.ATBU.HNZ. 2021-10-07T10:51:17.33 0.6 undecidable manual S 127 23.5542 113 0.39 46
IV.CAFI.HHZ. 2021-10-07T10:51:15.91 0.1 undecidable manual P 223 41.3253 50 -0.09 95
IV.ATMC.EHZ. 2021-10-07T10:51:15.91 0.6 undecidable manual S 209 19.869 116 0.13 49
IV.PE3.EHZ. 2021-10-07T10:51:15.65 0.6 undecidable manual S 55 17.871 119 0.49 45
IV.ATPI.EHZ. 2021-10-07T10:51:15.18 0.6 undecidable manual S 157 18.3705 118 -0.12 49
IV.ATPC.HNZ. 2021-10-07T10:51:15.18 0.6 undecidable manual S 140 17.871 119 0.04 50
IV.NARO.HHZ. 2021-10-07T10:51:15.71 0.6 undecidable manual S 88 21.4674 115 -0.55 44
IV.ATVO.HHZ. 2021-10-07T10:51:13.34 0.3 undecidable manual P 163 25.6521 111 -0.23 71
IV.APEC.HHZ. 2021-10-07T10:51:13.21 0.6 undecidable manual S 120 9.879 135 0.3 48
IV.ATBU.HNZ. 2021-10-07T10:51:13.78 0.3 undecidable manual P 127 23.5542 113 0.6 65
IV.ATPI.EHZ. 2021-10-07T10:51:12.24 0.3 undecidable manual P 157 18.3705 118 0 76
IV.ATPC.HNZ. 2021-10-07T10:51:12.04 0.3 undecidable manual P 140 17.871 119 -0.11 74
IV.NARO.HHZ. 2021-10-07T10:51:12.36 0.1 undecidable manual P 88 21.4674 115 -0.43 92
IV.PARC.HHZ. 2021-10-07T10:51:12.29 0.6 undecidable manual S 310 7.881 142 -0.15 50
IV.ATMC.EHZ. 2021-10-07T10:51:12.31 0.3 undecidable manual P 209 19.869 116 -0.21 72
IV.PE3.EHZ. 2021-10-07T10:51:12.13 0.3 undecidable manual P 55 17.871 119 -0.03 75
IV.APEC.HHZ. 2021-10-07T10:51:10.99 0.3 undecidable manual P 120 9.879 135 0.13 75
IV.PARC.HHZ. 2021-10-07T10:51:10.72 0.1 undecidable manual P 310 7.881 142 0.13 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.APEC.HHN. ML:1.1 0.00017350510000000002 0.2432 AML other m 2021-10-07T10:51:13.32
IV.APEC.HHE. ML:1.0 0.000132508245 0.1408 AML other m 2021-10-07T10:51:13.54
IV.NARO.HHE. ML:1.1 0.00007985383 0.0768 AML other m 2021-10-07T10:51:16.07
IV.NARO.HHN. ML:1.3 0.0001299126 0.064 AML other m 2021-10-07T10:51:16.12
IV.CAFI.HNE. ML:1.3 0.000064473755 0.5216 AML other m 2021-10-07T10:51:24.54
IV.CAFI.HHE. ML:1.1 0.000041676044999999995 1.4656 AML other m 2021-10-07T10:51:26.12
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