Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 07-06-2021 and time 09:59:31 (Italy) in region 4 km E Chiusi della Verna (AR)

A magnitude ML 1.6 earthquake occured in region: 4 km E Chiusi della Verna (AR), on

  • 07-06-2021 07:59:31 (UTC)
  • 07-06-2021 09:59:31 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.7140, 11.9770 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
Chiusi della Verna AR 4 2023 2023
Pieve Santo Stefano AR 7 3183 5206
Caprese Michelangelo AR 8 1426 6632
Verghereto FC 10 1907 8539
Chitignano AR 10 899 9438
Bibbiena AR 13 12241 21679
Castel Focognano AR 13 3149 24828
Bagno di Romagna FC 16 6026 30854
Casteldelci RN 17 407 31261
Badia Tedalda AR 17 1087 32348
Poppi AR 17 6160 38508
Subbiano AR 18 6331 44839
Ortignano Raggiolo AR 18 878 45717
Capolona AR 19 5438 51155
Talla AR 20 1062 52217

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km N of Arezzo (99543 inhabitants)
52 Km SW of Cesena (96758 inhabitants)
57 Km S of Forlì (117913 inhabitants)
58 Km E of Firenze (382808 inhabitants)
61 Km SW of Rimini (147750 inhabitants)
64 Km E of Scandicci (50609 inhabitants)
64 Km S of Faenza (58541 inhabitants)
68 Km NE of Siena (53903 inhabitants)
73 Km E of Prato (191150 inhabitants)
74 Km S of Imola (69797 inhabitants)
75 Km NW of Perugia (166134 inhabitants)
78 Km W of Pesaro (94582 inhabitants)
80 Km S of Ravenna (159116 inhabitants)
85 Km W of Fano (60888 inhabitants)
88 Km E of Pistoia (90315 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 1.6 2021-06-07
07:59:31		 43.7137 11.977 10 2021-12-29
11:12:03		 Bollettino Sismico Italiano INGV 90931211
Reviewed
Rev100 		ML 1.6 2021-06-07
07:59:31		 43.7193 11.9897 10 2021-06-07
08:09:17		 Sala Sismica INGV-Roma 90887941
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-06-07 07:59:31 ± 0.07
Latitude 43.7137 ± 0.0054
Longitude 11.9770 ± 0.0075
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 90931211

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 708
Semi-minor axis of confidence ellipse (meter) 177
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 226
Circular confidence region, given by single value of horizontal uncertainty (meter) 710.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 99
Number of associated phases, regardless of their use for origin computation 45
Number of defining phases 33
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.60075
Number of stations at which the event was observed 30
Number of stations from which data was used for origin computation 18
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 32
Type of magnitude ML
Reference to an origin 90931211
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-06-08 12:36:09

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 32
Type of magnitude ML
Reference to an origin 90887941
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-06-07 08:09:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VBKN.HHZ. 2021-06-07T08:01:21.23 3.0 undecidable manual Sg 16.059999 0
IX.STN3.HNZ.01 2021-06-07T08:01:18.34 3.0 undecidable manual Sn -5.64 0
IV.TREM.HHZ. 2021-06-07T08:01:00.95 3.0 undecidable manual Sn 6.04 0
MN.TRI.HHZ. 2021-06-07T08:00:42.50 3.0 undecidable manual Sg 9.32 0
IV.PZUN.HHZ. 2021-06-07T08:00:30.54 3.0 undecidable manual Pn -2.96 0
GU.GRAM.HHZ. 2021-06-07T08:00:17.65 3.0 undecidable manual Sg 1.79 0
IV.CTI.HHZ. 2021-06-07T08:00:09.45 3.0 undecidable manual Pg 4.81 0
IV.RCAV.EHZ. 2021-06-07T08:00:06.22 3.0 undecidable manual Pg 2.22 0
IV.RMP.HHZ. 2021-06-07T08:00:04.18 3.0 positive manual Pn 0.42 0
IV.MBAL.EHZ. 2021-06-07T08:00:01.05 3.0 undecidable manual Pn -0.94 0
IV.COR1.EHZ. 2021-06-07T07:59:57.51 3.0 undecidable manual S 0.87 0
IV.MURB.HHZ. 2021-06-07T07:59:52.61 0.3 undecidable manual S 138 66.6777 50 0.93 52
IV.NARO.HHZ. 2021-06-07T07:59:47.09 0.3 undecidable manual S 103 49.8168 50 -0.08 70
IV.LMD.HHZ. 2021-06-07T07:59:46.05 0.3 undecidable manual S 332 45.7209 50 -0.05 71
IV.PIEI.HHZ. 2021-06-07T07:59:46.63 0.3 undecidable manual S 114 49.0176 50 -0.33 66
IV.ATPI.EHZ. 2021-06-07T07:59:46.07 0.3 undecidable manual S 130 44.9217 50 0.19 69
IV.ATMI.HHZ. 2021-06-07T07:59:46.43 0.3 undecidable manual S 151 48.2184 50 -0.32 67
IV.RUFI.EHZ. 2021-06-07T07:59:44.16 0.3 undecidable manual S 290 39.9267 50 -0.38 67
IV.MURB.HHZ. 2021-06-07T07:59:43.54 0.3 undecidable manual P 138 66.6777 50 0.5 62
IV.BRIS.HHZ. 2021-06-07T07:59:43.00 3.0 undecidable manual S -1.21 0
IV.FRON.EHZ. 2021-06-07T07:59:42.66 0.3 undecidable manual P 110 63.9915 50 0.04 69
IV.CPGN.EHZ. 2021-06-07T07:59:42.35 0.3 undecidable manual S 70 29.1486 50 0.67 62
IV.ATMC.EHE. 2021-06-07T07:59:42.47 0.3 undecidable manual S 150 34.3434 50 -0.57 64
IV.MPAG.EHZ. 2021-06-07T07:59:42.56 0.3 undecidable manual P 98 63.492 50 0.01 69
IV.NARO.HHZ. 2021-06-07T07:59:40.06 0.3 undecidable manual P 103 49.8168 50 -0.38 66
IV.ATMI.HHZ. 2021-06-07T07:59:40.20 0.3 undecidable manual P 151 48.2184 50 0.01 71
IV.ATVO.HHZ. 2021-06-07T07:59:40.45 0.3 undecidable manual P 137 50.4162 50 -0.09 69
IV.PIEI.HHZ. 2021-06-07T07:59:40.03 0.3 undecidable manual P 114 49.0176 50 -0.28 67
IV.PARC.HHZ. 2021-06-07T07:59:39.04 0.3 undecidable manual S 109 22.1556 115 -0.67 63
IT.SNS1.HNZ. 2021-06-07T07:59:39.21 0.3 undecidable manual S 141 19.869 117 0.22 71
IV.LMD.HHZ. 2021-06-07T07:59:39.93 0.1 undecidable manual P 332 45.7209 50 0.11 93
IV.ATPI.EHZ. 2021-06-07T07:59:39.74 0.1 undecidable manual P 130 44.9217 50 0.05 94
IV.SFI.EHZ. 2021-06-07T07:59:39.84 0.3 undecidable manual S 334 23.6541 113 -0.32 69
IV.ASQU.HHZ. 2021-06-07T07:59:38.30 0.1 undecidable manual S 302 17.6712 120 0 100
IV.SSP9.EHZ. 2021-06-07T07:59:38.53 0.3 undecidable manual S 141 19.869 117 -0.45 68
IV.RUFI.EHZ. 2021-06-07T07:59:38.93 0.3 undecidable manual P 290 39.9267 50 0.01 72
IV.CPGN.EHZ. 2021-06-07T07:59:37.71 0.1 undecidable manual P 70 29.1486 50 0.45 89
IV.ATMC.EHE. 2021-06-07T07:59:37.69 0.3 undecidable manual P 150 34.3434 50 -0.37 68
IT.SNS1.HNZ. 2021-06-07T07:59:36.23 0.3 undecidable manual P 141 19.869 117 0.52 67
IV.CRE.HHZ. 2021-06-07T07:59:36.55 0.1 undecidable manual S 191 10.6782 134 0.18 98
IV.SFI.EHZ. 2021-06-07T07:59:36.38 0.1 positive manual P 334 23.6541 113 -0.01 99
IV.PARC.HHZ. 2021-06-07T07:59:35.96 0.1 positive manual P 109 22.1556 115 -0.17 96
IV.ASQU.HHZ. 2021-06-07T07:59:35.45 0.1 positive manual P 302 17.6712 120 0.13 97
IV.SSP9.EHZ. 2021-06-07T07:59:35.76 0.1 undecidable manual P 141 19.869 117 0.05 99
IV.CRE.HHZ. 2021-06-07T07:59:34.45 0.1 undecidable manual P 191 10.6782 134 0.25 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SSP9.EHN. ML:1.8 0.0004290000000000001 0.26 AML other m 2021-06-07T07:59:39.28
IV.PARC.HHN. ML:1.7 0.00033 0.62 AML other m 2021-06-07T07:59:39.53
IV.PARC.HHE. ML:1.5 0.000188 0.94 AML other m 2021-06-07T07:59:39.51
IV.SSP9.EHE. ML:1.5 0.000254 0.56 AML other m 2021-06-07T07:59:40.11
IV.SFI.EHE. ML:1.5 0.000186 0.42 AML other m 2021-06-07T07:59:40.35
IV.ASQU.HHE. ML:1.5 0.000247 0.36 AML other m 2021-06-07T07:59:40.58
IV.ASQU.HHN. ML:1.4 0.0002375 0.28 AML other m 2021-06-07T07:59:41.41
IV.SFI.EHN. ML:1.5 0.00021349999999999999 0.58 AML other m 2021-06-07T07:59:42.39
IV.CPGN.EHN. ML:1.7 0.0002405 1.26 AML other m 2021-06-07T07:59:43.30
IV.CPGN.EHE. ML:1.6 0.00020050000000000002 0.8 AML other m 2021-06-07T07:59:45.43
IV.ATPI.EHN. ML:1.6 0.00010865 0.28 AML other m 2021-06-07T07:59:46.89
IV.ATPI.EHE. ML:1.5 0.0000991 0.36 AML other m 2021-06-07T07:59:47.41
IV.PIEI.HHN. ML:1.4 0.00006515 0.12 AML other m 2021-06-07T07:59:47.63
IV.NARO.HHE. ML:1.4 0.0000691 0.64 AML other m 2021-06-07T07:59:48.68
IV.PIEI.HHE. ML:1.6 0.0000925 0.14 AML other m 2021-06-07T07:59:48.64
IV.NARO.HHN. ML:1.3 0.00005535 0.88 AML other m 2021-06-07T07:59:48.92
IV.LMD.HHN. ML:1.5 0.0000843 0.2 AML other m 2021-06-07T07:59:50.06
IV.LMD.HHE. ML:1.5 0.00008669999999999999 0.24 AML other m 2021-06-07T07:59:50.24
IV.ATMI.HHE. ML:2.0 0.000309 0.3 AML other m 2021-06-07T07:59:50.80
IV.ATMI.HHN. ML:2.1 0.00033350000000000003 0.54 AML other m 2021-06-07T07:59:51.30
IV.ATVO.HHE. ML:1.6 0.000116 0.84 AML other m 2021-06-07T07:59:51.42
IV.ATVO.HHN. ML:1.6 0.00009470000000000001 0.56 AML other m 2021-06-07T07:59:53.04
IV.MPAG.EHE. ML:1.2 0.000031100000000000004 0.84 AML other m 2021-06-07T07:59:53.96
IV.MPAG.EHN. ML:1.3 0.00003665 0.7 AML other m 2021-06-07T07:59:54.60
IV.MURB.HHE. ML:2.0 0.000195 0.44 AML other m 2021-06-07T07:59:55.16
IV.FRON.EHN. ML:1.4 0.000045700000000000006 1.6 AML other m 2021-06-07T07:59:55.01
IV.BRIS.HHE. ML:1.6 0.0000793 0.48 AML other m 2021-06-07T07:59:56.38
IV.MURB.HHN. ML:2.1 0.000241 0.3 AML other m 2021-06-07T07:59:57.62
IV.BRIS.HHN. ML:1.7 0.0001022 0.38 AML other m 2021-06-07T07:59:57.61
IV.FRON.EHE. ML:1.1 0.0000251 1.5 AML other m 2021-06-07T07:59:57.97
IV.COR1.EHE. ML:2.3 0.0002485 0.08 AML other m 2021-06-07T08:00:02.25
IV.COR1.EHN. ML:2.4 0.000361 1.92 AML other m 2021-06-07T08:00:03.99
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