Earthquake with magnitude of ML 0.7 on date 22-08-2020 and time 00:29:20 (UTC) in region 7 km N Sansepolcro (AR)

A magnitude ML 0.7 earthquake occured in region: 7 km N Sansepolcro (AR), on

  • 22-08-2020 00:29:20 (UTC)
  • 22-08-2020 02:29:20 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.6290, 12.1580 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Sansepolcro AR 7 15884 15884
San Giustino PG 9 11297 27181
Badia Tedalda AR 9 1087 28268
Pieve Santo Stefano AR 10 3183 31451
Borgo Pace PU 12 606 32057
Anghiari AR 13 5638 37695
Caprese Michelangelo AR 14 1426 39121
Sestino AR 14 1355 40476
Mercatello sul Metauro PU 15 1378 41854
Citerna PG 15 3531 45385
Monterchi AR 16 1757 47142
Casteldelci RN 18 407 47549
Chiusi della Verna AR 20 2023 49572

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km NE of Arezzo (99543 inhabitants)
57 Km S of Cesena (96758 inhabitants)
58 Km SW of Rimini (147750 inhabitants)
61 Km NW of Perugia (166134 inhabitants)
67 Km S of Forlì (117913 inhabitants)
68 Km W of Pesaro (94582 inhabitants)
73 Km W of Fano (60888 inhabitants)
74 Km E of Firenze (382808 inhabitants)
75 Km E of Siena (53903 inhabitants)
76 Km SE of Faenza (58541 inhabitants)
80 Km E of Scandicci (50609 inhabitants)
87 Km NW of Foligno (57155 inhabitants)
88 Km S of Ravenna (159116 inhabitants)
88 Km SE of Imola (69797 inhabitants)
90 Km E of Prato (191150 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 2020-08-22
00:29:20
43.6293 12.1577 10 2020-08-22
00:42:21
Sala Sismica INGV-Roma 82216861
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-08-22 00:29:20 ± 0.07
Latitude 43.6293 ± 0.0036
Longitude 12.1577 ± 0.0050
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 82216861

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 470
Semi-minor axis of confidence ellipse (meter) 379
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) 470.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 97
Number of associated phases, regardless of their use for origin computation 35
Number of defining phases 35
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) 0.05846
Epicentral distance of station farthest from the epicenter (degree) 0.35523
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 18
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 82216861
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-08-22 00:42:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SFI.EHE. 2020-08-22T00:29:34.09 0.6 undecidable manual S 321 39.4272 50 0.15 46
IV.CAFI.HHZ. 2020-08-22T00:29:33.47 0.6 undecidable manual S 205 36.741 50 0.25 45
IV.ATMI.HHZ. 2020-08-22T00:29:32.36 0.3 undecidable manual S 165 33.9438 50 -0.12 70
IV.ASQU.HHN. 2020-08-22T00:29:32.66 0.6 undecidable manual S 302 34.8429 50 -0.07 47
IV.NARO.HHZ. 2020-08-22T00:29:32.33 0.6 undecidable manual S 93 34.0437 50 -0.18 46
IV.TB03.DH1. 2020-08-22T00:29:32.35 0.6 undecidable manual S 141 32.4453 50 0.26 45
IV.ATVO.HHZ. 2020-08-22T00:29:32.59 0.6 undecidable manual S 144 33.9438 50 0.1 47
IV.PIEI.HHZ. 2020-08-22T00:29:31.98 0.6 undecidable manual S 109 32.0457 50 0 48
IV.ATPC.HNE. 2020-08-22T00:29:31.12 0.6 undecidable manual S 124 29.1486 50 -0.09 47
IV.PE3.EHZ. 2020-08-22T00:29:31.41 0.6 undecidable manual S 75 28.1496 50 0.47 44
IV.ATPI.EHZ. 2020-08-22T00:29:30.88 0.6 undecidable manual S 135 27.9498 50 0 48
IV.APEC.HNN. 2020-08-22T00:29:29.40 0.6 undecidable manual S 110 22.4553 113 0.25 46
IV.ATMC.EHE. 2020-08-22T00:29:28.10 0.6 undecidable manual S 172 20.4684 115 -0.4 45
IV.ATMI.HHZ. 2020-08-22T00:29:28.47 0.1 undecidable manual P 165 33.9438 50 0.99 70
IV.SFI.EHE. 2020-08-22T00:29:28.22 0.1 undecidable manual P 321 39.4272 50 -0.1 93
IV.ATVO.HHZ. 2020-08-22T00:29:27.46 0.6 undecidable manual P 144 33.9438 50 -0.03 48
IV.CAFI.HHZ. 2020-08-22T00:29:27.87 0.6 negative manual P 205 36.741 50 -0.04 47
IV.ASQU.HHN. 2020-08-22T00:29:27.27 0.1 undecidable manual P 302 34.8429 50 -0.36 89
IV.NARO.HHZ. 2020-08-22T00:29:27.28 1.0 undecidable manual P 93 34.0437 50 -0.22 23
IV.TB03.DH1. 2020-08-22T00:29:27.19 0.1 undecidable manual P 141 32.4453 50 -0.06 95
IV.ATPI.EHZ. 2020-08-22T00:29:26.22 0.1 undecidable manual P 135 27.9498 50 -0.34 90
IV.ATPC.HNE. 2020-08-22T00:29:26.51 0.1 undecidable manual P 124 29.1486 50 -0.24 92
IV.PE3.EHZ. 2020-08-22T00:29:26.78 0.3 negative manual P 75 28.1496 50 0.19 70
IV.CPGN.EHZ. 2020-08-22T00:29:26.09 0.1 undecidable manual P 34 23.0547 113 0.42 89
IV.BADI.EHZ. 2020-08-22T00:29:26.84 0.6 undecidable manual S 152 14.9739 123 0 49
IV.PIEI.HHZ. 2020-08-22T00:29:26.84 0.6 positive manual P 109 32.0457 50 -0.35 45
IV.APEC.HNN. 2020-08-22T00:29:25.30 0.1 undecidable manual P 110 22.4553 113 -0.25 93
IT.SNS1.HNZ. 2020-08-22T00:29:25.14 0.6 undecidable manual S 199 6.5934 146 0.44 46
IV.ATMC.EHE. 2020-08-22T00:29:25.03 0.1 undecidable manual P 172 20.4684 115 -0.15 95
IV.SSP9.EHZ. 2020-08-22T00:29:24.75 0.6 undecidable manual S 199 6.4935 146 0.06 50
IV.BADI.EHZ. 2020-08-22T00:29:24.27 0.6 undecidable manual P 152 14.9739 123 0.05 49
IV.PARC.HHZ. 2020-08-22T00:29:24.39 0.6 undecidable manual S 72 6.8931 145 -0.37 46
IT.SNS1.HNZ. 2020-08-22T00:29:23.06 0.1 undecidable manual P 199 6.5934 146 0.07 99
IV.SSP9.EHZ. 2020-08-22T00:29:23.00 0.1 undecidable manual P 199 6.4935 146 0.02 100
IV.PARC.HHZ. 2020-08-22T00:29:22.93 1.0 undecidable manual P 72 6.8931 145 -0.09 25
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PARC.HHE. ML:0.8 0.00009255 0.32 AML other m 2020-08-22T00:29:24.61
IV.PARC.HHN. ML:0.9 0.00011269999999999999 0.1 AML other m 2020-08-22T00:29:24.44
IV.BADI.EHE. ML:0.9 0.0000753 1.76 AML other m 2020-08-22T00:29:26.94
IV.BADI.EHN. ML:0.8 0.000059749999999999995 1.66 AML other m 2020-08-22T00:29:27.03
IV.ATPI.EHN. ML:0.7 0.0000234 0.12 AML other m 2020-08-22T00:29:31.12
IV.ATPI.EHE. ML:0.7 0.0000237 0.28 AML other m 2020-08-22T00:29:31.16
IV.PE3.EHN. ML:1.4 0.00014350000000000002 0.46 AML other m 2020-08-22T00:29:31.93
IV.PE3.EHE. ML:1.4 0.00011935000000000001 0.3 AML other m 2020-08-22T00:29:31.69
IV.PIEI.HHE. ML:0.6 0.00002115 1.38 AML other m 2020-08-22T00:29:31.94
IV.NARO.HHE. ML:0.6 0.000014244999999999998 0.08 AML other m 2020-08-22T00:29:32.87
IV.NARO.HHN. ML:0.6 0.0000144 0.24 AML other m 2020-08-22T00:29:32.97
IV.ATVO.HHN. ML:0.6 0.000016899999999999997 0.28 AML other m 2020-08-22T00:29:33.18
IV.PIEI.HHN. ML:0.4 0.00001095 0.42 AML other m 2020-08-22T00:29:33.52
IV.ATVO.HHE. ML:0.7 0.00002175 0.6 AML other m 2020-08-22T00:29:34.56
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