Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.7 on date 12-07-2020 and time 17:05:09 (UTC) in region 1 km NW Pieve Santo Stefano (AR)

A magnitude ML 0.7 earthquake occured in region: 1 km NW Pieve Santo Stefano (AR), on

  • 12-07-2020 17:05:09 (UTC)
  • 12-07-2020 19:05:09 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.6770, 12.0330 at 9 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
Pieve Santo Stefano AR 1 3183 3183
Caprese Michelangelo AR 5 1426 4609
Chiusi della Verna AR 8 2023 6632
Chitignano AR 12 899 7531
Badia Tedalda AR 13 1087 8618
Verghereto FC 13 1907 10525
Sansepolcro AR 15 15884 26409
Anghiari AR 15 5638 32047
Castel Focognano AR 16 3149 35196
Casteldelci RN 16 407 35603
Subbiano AR 17 6331 41934
Bibbiena AR 17 12241 54175
San Giustino PG 18 11297 65472
Capolona AR 19 5438 70910

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km NE of Arezzo (99543 inhabitants)
54 Km SW of Cesena (96758 inhabitants)
61 Km SW of Rimini (147750 inhabitants)
61 Km S of Forlì (117913 inhabitants)
63 Km E of Firenze (382808 inhabitants)
69 Km S of Faenza (58541 inhabitants)
69 Km E of Scandicci (50609 inhabitants)
69 Km NE of Siena (53903 inhabitants)
70 Km NW of Perugia (166134 inhabitants)
75 Km W of Pesaro (94582 inhabitants)
79 Km E of Prato (191150 inhabitants)
79 Km SE of Imola (69797 inhabitants)
81 Km W of Fano (60888 inhabitants)
84 Km S of Ravenna (159116 inhabitants)
94 Km E of Pistoia (90315 inhabitants)
97 Km NW of Foligno (57155 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 0.7 2020-07-12
17:05:09		 43.6772 12.0333 9 2020-07-12
17:21:11		 Sala Sismica INGV-Roma 80985171
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-07-12 17:05:09 ± 0.08
Latitude 43.6772 ± 0.0054
Longitude 12.0333 ± 0.0075
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 80985171

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 788
Semi-minor axis of confidence ellipse (meter) 300
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 228
Circular confidence region, given by single value of horizontal uncertainty (meter) 790.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 130
Number of associated phases, regardless of their use for origin computation 33
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) 0.40110
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 10
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 80985171
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-07-12 17:21:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
OX.CIMO.HHZ. 2020-07-12T17:06:37.53 3.0 undecidable manual Sg 11.79 0
IV.SERS.HHZ. 2020-07-12T17:06:26.26 3.0 positive manual Pn -2.93 0
CR.STON.BHZ. 2020-07-12T17:06:21.32 3.0 undecidable manual Pg 9.75 0
GU.GBOS.HHZ. 2020-07-12T17:06:16.12 3.0 undecidable manual Sn -4.53 0
IV.FREG.EHZ. 2020-07-12T17:06:15.58 3.0 undecidable manual Sn -2.51 0
ST.RONC.EHZ. 2020-07-12T17:06:11.20 3.0 undecidable manual Sn -6.48 0
IV.CMPR.HHZ. 2020-07-12T17:06:09.18 3.0 undecidable manual Pg 2.93 0
IV.CADC.HNZ. 2020-07-12T17:06:03.81 3.0 undecidable manual Sn -4.67 0
ST.GAGG.HHZ. 2020-07-12T17:05:47.72 3.0 negative manual Pg 1.4 0
IV.TOLF.HHZ. 2020-07-12T17:05:44.35 3.0 undecidable manual Sg -1.63 0
IV.ATVO.HNN. 2020-07-12T17:05:24.51 0.6 undecidable manual S 137 44.4222 50 0.09 47
IV.NARO.HHZ. 2020-07-12T17:05:24.28 0.6 undecidable manual S 99 44.5221 50 -0.18 46
TV.SF04.EHZ. 2020-07-12T17:05:22.79 3.0 undecidable manual Sn -2.61 0
IV.ATPI.HNE. 2020-07-12T17:05:22.80 0.6 undecidable manual S 130 38.8278 50 -0.14 47
IV.SFI.EHZ. 2020-07-12T17:05:20.41 0.6 undecidable manual S 329 29.3484 107 0.11 48
IV.ATMC.EHE. 2020-07-12T17:05:19.73 0.6 undecidable manual S 153 28.5492 107 -0.32 46
IV.ASQU.HHZ. 2020-07-12T17:05:18.38 0.6 undecidable manual S 304 23.6541 111 -0.05 49
IV.BADI.EHZ. 2020-07-12T17:05:18.70 0.6 undecidable manual S 138 25.1526 110 -0.22 48
IV.ATPI.HNE. 2020-07-12T17:05:18.16 0.1 undecidable manual P 130 38.8278 50 0.83 76
IV.ATVO.HNN. 2020-07-12T17:05:17.68 0.1 undecidable manual P 137 44.4222 50 -0.5 86
TV.TB01.DHZ.01 2020-07-12T17:05:17.45 3.0 undecidable manual P 0
IV.NARO.HHZ. 2020-07-12T17:05:17.92 1.0 undecidable manual P 99 44.5221 50 -0.28 23
IV.PARC.HHZ. 2020-07-12T17:05:16.29 0.6 undecidable manual S 101 16.7721 118 0.03 50
IV.SSP9.EHZ. 2020-07-12T17:05:15.42 0.6 undecidable manual S 145 13.875 123 0.03 50
IV.SFI.EHZ. 2020-07-12T17:05:15.68 0.1 undecidable manual P 329 29.3484 107 -0.12 96
IV.ATMC.EHE. 2020-07-12T17:05:15.92 0.1 undecidable manual P 153 28.5492 107 0.27 94
IV.CRE.HHZ. 2020-07-12T17:05:14.02 0.6 undecidable manual S 225 9.1797 134 -0.1 50
IV.ASQU.HHZ. 2020-07-12T17:05:14.65 0.1 undecidable manual P 304 23.6541 111 -0.07 98
IV.BADI.EHZ. 2020-07-12T17:05:14.89 1.0 undecidable manual P 138 25.1526 110 -0.11 24
IV.PARC.HHZ. 2020-07-12T17:05:13.54 0.1 positive manual P 101 16.7721 118 0.07 99
IV.SSP9.EHZ. 2020-07-12T17:05:13.00 1.0 positive manual P 145 13.875 123 0.03 25
IV.CRE.HHZ. 2020-07-12T17:05:12.34 0.1 positive manual P 225 9.1797 134 0.11 100
TV.SF04.EHZ. 2020-07-12T17:05:11.86 3.0 positive manual P -4.33 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CRE.HHE. ML:0.8 0.00008460000000000001 0.56 AML other m 2020-07-12T17:05:14.36
IV.CRE.HHN. ML:0.8 0.00009275 0.7 AML other m 2020-07-12T17:05:14.93
IV.PARC.HHE. ML:0.8 0.000056003650000000004 0.1664 AML other m 2020-07-12T17:05:16.46
IV.PARC.HHN. ML:1.3 0.00017067835000000002 0.1408 AML other m 2020-07-12T17:05:16.41
IV.BADI.EHN. ML:0.4 0.000013444743500000001 0.384 AML other m 2020-07-12T17:05:19.10
IV.BADI.EHE. ML:0.8 0.000039723345 1.984 AML other m 2020-07-12T17:05:19.96
IV.SFI.EHN. ML:0.6 0.000020344102499999997 1.728 AML other m 2020-07-12T17:05:20.74
IV.SFI.EHE. ML:0.3 0.0000081804885 0.9216 AML other m 2020-07-12T17:05:20.06
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