Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.7 on date 08-11-2021 and time 11:45:48 (Italy) in region 3 km NE Serra Sant'Abbondio (PU)

A magnitude ML 0.7 earthquake occured in region: 3 km NE Serra Sant'Abbondio (PU), on

  • 08-11-2021 10:45:48 (UTC)
  • 08-11-2021 11:45:48 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.5090, 12.8010 at 16 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
Serra Sant'Abbondio PU 3 1027 1027
Frontone PU 5 1300 2327
Pergola PU 7 6333 8660
Sassoferrato AN 9 7285 15945
Arcevia AN 11 4612 20557
Cagli PU 13 8731 29288
Genga AN 14 1797 31085
Cantiano PU 15 2245 33330
Scheggia e Pascelupo PG 16 1393 34723
San Lorenzo in Campo PU 16 3414 38137
Acqualagna PU 16 4393 42530
Fratte Rosa PU 16 966 43496
Costacciaro PG 18 1216 44712
Castelleone di Suasa AN 18 1676 46388
Serra San Quirico AN 19 2850 49238
Mergo AN 20 1037 50275
Serra de' Conti AN 20 3746 54021
Barbara AN 20 1368 55389

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km SW of Fano (60888 inhabitants)
46 Km S of Pesaro (94582 inhabitants)
56 Km NE of Perugia (166134 inhabitants)
59 Km W of Ancona (100861 inhabitants)
62 Km N of Foligno (57155 inhabitants)
64 Km SE of Rimini (147750 inhabitants)
74 Km E of Arezzo (99543 inhabitants)
83 Km SE of Cesena (96758 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 0.7 2021-11-08
10:45:48		 43.5087 12.8013 16 2022-03-30
13:04:16		 Bollettino Sismico Italiano INGV 97395071
Reviewed
Rev100 		ML 0.7 2021-11-08
10:45:48		 43.5072 12.8045 16 2021-11-08
10:51:58		 Sala Sismica INGV-Roma 97339881
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-11-08 10:45:48 ± 0.11
Latitude 43.5087 ± 0.0045
Longitude 12.8013 ± 0.0050
Depth (km) 16 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 97395071

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 470
Semi-minor axis of confidence ellipse (meter) 160
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 38
Circular confidence region, given by single value of horizontal uncertainty (meter) 470.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 110
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 17
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.28239
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 97339881
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-11-08 10:51:58

ML:0.7

Field Value
Value 0.7
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 97395071
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-11-11 10:55:30
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SENI.EHZ. 2021-11-08T10:46:06.25 3.0 undecidable manual P 0
IV.EL6.EHZ. 2021-11-08T10:45:59.60 0.3 undecidable manual S 129 31.3464 105 0.39 66
IV.ATBU.HNE. 2021-11-08T10:45:56.96 0.1 undecidable manual S 260 20.6682 116 0.42 91
IV.NARO.HHZ. 2021-11-08T10:45:56.66 0.1 undecidable manual S 303 21.0678 116 0.03 98
IV.MPAG.EHZ. 2021-11-08T10:45:55.19 0.1 undecidable manual S 346 13.7751 131 0.19 95
IV.ARVD.HHZ. 2021-11-08T10:45:54.44 0.1 undecidable manual S 96 11.3775 137 -0.09 100
IV.ATSC.EHN. 2021-11-08T10:45:54.88 0.1 undecidable manual S 225 13.1757 132 0 98
IV.EL6.EHZ. 2021-11-08T10:45:54.61 0.1 undecidable manual P 129 31.3464 105 0.05 95
IV.ATBU.HNE. 2021-11-08T10:45:53.07 0.1 undecidable manual P 260 20.6682 116 0.05 98
IV.FRON.EHZ. 2021-11-08T10:45:53.85 0.1 undecidable manual S 280 6.1938 155 0.1 99
IV.ATFO.HNE. 2021-11-08T10:45:53.38 0.1 undecidable manual P 230 24.3534 111 -0.16 94
IV.SSFR.HHN. 2021-11-08T10:45:53.96 0.1 undecidable manual S 191 8.1807 148 -0.05 99
IV.MPAG.EHZ. 2021-11-08T10:45:52.03 0.1 undecidable manual P 346 13.7751 131 -0.1 98
IV.NARO.HHZ. 2021-11-08T10:45:52.84 0.1 undecidable manual P 303 21.0678 116 -0.24 94
IV.FRON.EHZ. 2021-11-08T10:45:51.38 0.1 undecidable manual P 280 6.1938 155 -0.04 100
IV.SSFR.HHN. 2021-11-08T10:45:51.43 0.1 undecidable manual P 191 8.1807 148 -0.13 98
IV.ARVD.HHZ. 2021-11-08T10:45:51.72 0.1 undecidable manual P 96 11.3775 137 -0.14 98
IV.ATSC.EHN. 2021-11-08T10:45:51.91 0.1 undecidable manual P 225 13.1757 132 -0.15 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FRON.EHE. ML:0.6 0.00004625789 0.0576 AML other m 2021-11-08T10:45:54.09
IV.FRON.EHN. ML:0.6 0.000046051479999999996 0.1792 AML other m 2021-11-08T10:45:54.39
IV.ARVD.HHN. ML:0.7 0.00004071357000000001 0.0576 AML other m 2021-11-08T10:45:54.56
IV.ARVD.HHE. ML:0.8 0.0000501 0.14 AML other m 2021-11-08T10:45:54.60
IV.MPAG.HNE. ML:1.2 0.00011771802500000001 1.2704 AML other m 2021-11-08T10:45:54.93
IV.MPAG.EHN. ML:0.5 0.0000260038375 0.1216 AML other m 2021-11-08T10:45:55.36
IV.MPAG.EHE. ML:0.6 0.000034205520000000004 0.1984 AML other m 2021-11-08T10:45:55.46
IV.MPAG.HNN. ML:1.2 0.00012948548000000002 1.52 AML other m 2021-11-08T10:45:56.19
IV.NARO.HHN. ML:0.4 0.00001543572 0.1024 AML other m 2021-11-08T10:45:57.58
IV.EL6.EHE. ML:0.6 0.000013963745500000001 0.16 AML other m 2021-11-08T10:46:00.46
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