Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.8 on date 15-07-2020 and time 03:22:44 (Italy) in region 2 km SW Pieve Santo Stefano (AR)

A magnitude ML 0.8 earthquake occured in region: 2 km SW Pieve Santo Stefano (AR), on

  • 15-07-2020 01:22:44 (UTC)
  • 15-07-2020 03:22:44 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.6550, 12.0290 at 10 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

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 2 3183 3183
Caprese Michelangelo AR 4 1426 4609
Chiusi della Verna AR 9 2023 6632
Chitignano AR 12 899 7531
Anghiari AR 13 5638 13169
Sansepolcro AR 13 15884 29053
Badia Tedalda AR 14 1087 30140
Subbiano AR 15 6331 36471
Castel Focognano AR 16 3149 39620
Verghereto FC 16 1907 41527
San Giustino PG 17 11297 52824
Capolona AR 17 5438 58262
Bibbiena AR 17 12241 70503
Casteldelci RN 18 407 70910
Citerna PG 19 3531 74441
Monterchi AR 20 1757 76198

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km NE of Arezzo (99543 inhabitants)
56 Km SW of Cesena (96758 inhabitants)
63 Km SW of Rimini (147750 inhabitants)
63 Km S of Forlì (117913 inhabitants)
63 Km E of Firenze (382808 inhabitants)
67 Km NE of Siena (53903 inhabitants)
68 Km NW of Perugia (166134 inhabitants)
69 Km E of Scandicci (50609 inhabitants)
71 Km S of Faenza (58541 inhabitants)
77 Km W of Pesaro (94582 inhabitants)
79 Km E of Prato (191150 inhabitants)
82 Km SE of Imola (69797 inhabitants)
82 Km W of Fano (60888 inhabitants)
86 Km S of Ravenna (159116 inhabitants)
94 Km E of Pistoia (90315 inhabitants)
95 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 0.8 2020-07-15
01:22:44		 43.6553 12.0288 10 2020-07-15
01:31:23		 Sala Sismica INGV-Roma 81039551
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-07-15 01:22:44 ± 0.07
Latitude 43.6553 ± 0.0054
Longitude 12.0288 ± 0.0062
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 81039551

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 639
Semi-minor axis of confidence ellipse (meter) 350
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 213
Circular confidence region, given by single value of horizontal uncertainty (meter) 640.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 87
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
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 14
Number of stations from which data was used for origin computation 13
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 81039551
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-07-15 01:31:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SENI.HNZ. 2020-07-15T01:23:15.78 3.0 undecidable manual S 0.24 0
IV.PIEI.HHZ. 2020-07-15T01:22:58.50 0.3 undecidable manual S 108 42.7239 50 0.01 73
IV.PE3.EHZ. 2020-07-15T01:22:57.48 0.3 undecidable manual S 83 37.7289 50 0.32 69
IV.SFI.EHZ. 2020-07-15T01:22:55.45 0.3 undecidable manual S 332 31.2465 50 0.03 74
IV.BADI.EHZ. 2020-07-15T01:22:53.07 0.3 undecidable manual S 133 23.6541 113 -0.22 72
IV.ATMC.EHZ. 2020-07-15T01:22:53.87 0.3 undecidable manual S 150 26.6511 50 -0.31 70
IV.PE3.EHZ. 2020-07-15T01:22:52.13 0.1 undecidable manual P 83 37.7289 50 0.38 90
IV.ATVO.HHZ. 2020-07-15T01:22:52.56 0.3 undecidable manual P 135 42.9237 50 0.01 72
IV.PIEI.HHZ. 2020-07-15T01:22:52.35 0.3 undecidable manual P 108 42.7239 50 -0.18 70
IV.NARO.HHZ. 2020-07-15T01:22:52.81 0.3 undecidable manual P 96 44.5221 50 0.01 72
IV.SFI.EHZ. 2020-07-15T01:22:50.51 0.3 undecidable manual P 332 31.2465 50 -0.24 71
IV.CPGN.HNE. 2020-07-15T01:22:50.54 0.3 undecidable manual P 55 28.4493 50 0.23 71
IV.SSP9.EHZ. 2020-07-15T01:22:50.05 0.6 undecidable manual S 138 12.1767 129 0.2 49
IT.SNS1.HNZ. 2020-07-15T01:22:50.20 0.3 undecidable manual S 138 12.2766 129 0.35 71
IV.PARC.HHZ. 2020-07-15T01:22:50.81 0.1 undecidable manual S 93 16.872 121 -0.35 94
IV.ASQU.HHZ. 2020-07-15T01:22:49.51 0.1 undecidable manual P 309 24.753 112 -0.22 96
IV.BADI.EHZ. 2020-07-15T01:22:49.09 0.3 undecidable manual P 133 23.6541 113 -0.43 69
IV.ATMC.EHZ. 2020-07-15T01:22:49.97 0.6 undecidable manual P 150 26.6511 50 -0.07 49
IV.CRE.HHZ. 2020-07-15T01:22:48.82 0.6 undecidable manual S 237 7.3815 143 0.14 50
IV.PARC.HHZ. 2020-07-15T01:22:48.21 0.1 undecidable manual P 93 16.872 121 -0.09 100
IV.CRE.HHZ. 2020-07-15T01:22:47.01 0.1 undecidable manual P 237 7.3815 143 0.15 100
IV.SSP9.EHZ. 2020-07-15T01:22:47.67 0.1 undecidable manual P 138 12.1767 129 0.14 99
IT.SNS1.HNZ. 2020-07-15T01:22:47.77 0.3 undecidable manual P 138 12.2766 129 0.23 73
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CRE.HHE. ML:1.3 0.0002855 0.24 AML other m 2020-07-15T01:22:48.96
IV.CRE.HHN. ML:1.4 0.0003855 0.22 AML other m 2020-07-15T01:22:48.97
IV.PARC.HHN. ML:1.4 0.00022050000000000002 0.12 AML other m 2020-07-15T01:22:51.08
IV.PARC.HHE. ML:1.0 0.0000842 0.18 AML other m 2020-07-15T01:22:51.14
IV.BADI.EHN. ML:0.7 0.000031 1.26 AML other m 2020-07-15T01:22:54.71
IV.BADI.EHE. ML:0.8 0.00003345 0.78 AML other m 2020-07-15T01:22:55.08
IV.ASQU.HHE. ML:0.5 0.000020549999999999998 0.22 AML other m 2020-07-15T01:22:55.71
IV.SFI.EHE. ML:0.5 0.000017250000000000003 0.1 AML other m 2020-07-15T01:22:55.93
IV.ASQU.HHN. ML:0.7 0.0000279 0.92 AML other m 2020-07-15T01:22:56.62
IV.PIEI.HHE. ML:1.0 0.000034 0.14 AML other m 2020-07-15T01:22:59.23
IV.NARO.HHN. ML:1.1 0.00003435 1.74 AML other m 2020-07-15T01:22:59.02
IV.NARO.HHE. ML:0.8 0.000019799999999999997 0.66 AML other m 2020-07-15T01:23:00.07
IV.PIEI.HHN. ML:0.8 0.0000207 1.12 AML other m 2020-07-15T01:23:00.17
IV.SFI.EHN. ML:0.6 0.000019900000000000003 0.58 AML other m 2020-07-15T01:23:00.47
IV.ATVO.HHN. ML:0.7 0.000012920000000000002 1.02 AML other m 2020-07-15T01:23:04.13
IV.ATVO.HHE. ML:0.7 0.000014750000000000001 0.48 AML other m 2020-07-15T01:23:06.41
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