Earthquake with magnitude of ML 1.0 on date 13-07-2020 and time 12:38:50 (Italy) in region Pieve Santo Stefano (AR)

A magnitude ML 1.0 earthquake occured in region: Pieve Santo Stefano (AR), on

  • 13-07-2020 10:38:50 (UTC)
  • 13-07-2020 12:38:50 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.6680, 12.0420 at 8 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
Pieve Santo Stefano AR 0 3183 3183
Caprese Michelangelo AR 5 1426 4609
Chiusi della Verna AR 9 2023 6632
Badia Tedalda AR 12 1087 7719
Chitignano AR 13 899 8618
Sansepolcro AR 14 15884 24502
Anghiari AR 14 5638 30140
Verghereto FC 15 1907 32047
Castel Focognano AR 17 3149 35196
Casteldelci RN 17 407 35603
Subbiano AR 17 6331 41934
San Giustino PG 17 11297 53231
Bibbiena AR 18 12241 65472
Capolona AR 19 5438 70910
Citerna PG 20 3531 74441

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km NE of Arezzo (99543 inhabitants)
55 Km SW of Cesena (96758 inhabitants)
61 Km SW of Rimini (147750 inhabitants)
62 Km S of Forlì (117913 inhabitants)
64 Km E of Firenze (382808 inhabitants)
68 Km NW of Perugia (166134 inhabitants)
69 Km NE of Siena (53903 inhabitants)
70 Km E of Scandicci (50609 inhabitants)
70 Km S of Faenza (58541 inhabitants)
75 Km W of Pesaro (94582 inhabitants)
79 Km E of Prato (191150 inhabitants)
81 Km SE of Imola (69797 inhabitants)
81 Km W of Fano (60888 inhabitants)
84 Km S of Ravenna (159116 inhabitants)
95 Km E of Pistoia (90315 inhabitants)
96 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 1.0 2020-07-13
10:38:50
43.6683 12.0418 8 2020-07-13
10:46:35
Sala Sismica INGV-Roma 81002571
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-07-13 10:38:50 ± 0.06
Latitude 43.6683 ± 0.0045
Longitude 12.0418 ± 0.0050
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 81002571

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 510
Semi-minor axis of confidence ellipse (meter) 230
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 209
Circular confidence region, given by single value of horizontal uncertainty (meter) 510.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 116
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.08184
Epicentral distance of station farthest from the epicenter (degree) 0.41998
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 81002571
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-07-13 10:46:35
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NARO.HHZ. 2020-07-13T10:39:04.70 0.6 undecidable manual S 98 43.7229 50 -0.17 46
IV.SFI.EHZ. 2020-07-13T10:39:01.10 0.6 undecidable manual S 329 30.5472 105 -0.04 49
IV.ATMC.EHZ. 2020-07-13T10:39:00.14 0.6 undecidable manual S 154 27.4503 107 0.04 49
IV.BADI.EHZ. 2020-07-13T10:38:59.04 0.6 undecidable manual S 137 23.9538 109 0.07 49
IV.RUFI.EHE. 2020-07-13T10:38:59.18 0.3 undecidable manual P 294 46.62 50 0.08 70
IV.NARO.HHZ. 2020-07-13T10:38:58.28 0.3 negative manual P 98 43.7229 50 -0.37 66
IV.RINC.HHN. 2020-07-13T10:38:58.73 0.3 undecidable manual P 305 42.4242 50 0.28 68
IV.PE3.EHE. 2020-07-13T10:38:57.74 0.1 undecidable manual P 85 36.6411 50 0.19 93
IV.SFI.EHZ. 2020-07-13T10:38:56.29 1.0 undecidable manual P 329 30.5472 105 -0.2 23
IV.PARC.HHZ. 2020-07-13T10:38:56.50 0.6 undecidable manual S 98 15.9729 118 0.09 49
IV.ATMC.EHZ. 2020-07-13T10:38:55.87 0.1 undecidable manual P 154 27.4503 107 -0.03 98
IV.SSP9.EHZ. 2020-07-13T10:38:55.78 0.6 undecidable manual S 146 12.6762 124 0.34 47
IV.CRE.HHZ. 2020-07-13T10:38:54.33 0.6 undecidable manual S 233 9.0798 133 -0.12 49
IV.BADI.EHZ. 2020-07-13T10:38:54.91 0.6 undecidable manual P 137 23.9538 109 -0.33 46
IV.SSP9.EHZ. 2020-07-13T10:38:53.34 0.6 negative manual P 146 12.6762 124 0.13 49
IV.PARC.HHZ. 2020-07-13T10:38:53.75 0.1 positive manual P 98 15.9729 118 -0.01 100
IV.CRE.HHZ. 2020-07-13T10:38:52.53 0.1 positive manual P 233 9.0798 133 -0.1 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CRE.HHE. ML:1.3 0.00029636545000000003 0.2816 AML other m 2020-07-13T10:38:54.32
IV.CRE.HHN. ML:1.4 0.00040542405 0.2048 AML other m 2020-07-13T10:38:54.45
IV.SSP9.EHE. ML:0.6 0.00004787749 0.1792 AML other m 2020-07-13T10:38:56.42
IV.SSP9.EHN. ML:0.9 0.00008300278 0.1792 AML other m 2020-07-13T10:38:56.40
IV.PARC.HHE. ML:1.1 0.00011154965 0.2048 AML other m 2020-07-13T10:38:56.65
IV.PARC.HHN. ML:1.5 0.000320319 0.1216 AML other m 2020-07-13T10:38:56.60
IV.BADI.EHE. ML:0.7 0.000037177375 0.16 AML other m 2020-07-13T10:38:59.67
IV.BADI.EHN. ML:0.7 0.000031727359999999994 0.3008 AML other m 2020-07-13T10:39:01.95
IV.SFI.HNE. ML:1.4 0.00012224525 1.152 AML other m 2020-07-13T10:39:05.85
IV.SFI.HNN. ML:1.3 0.00010055567 0.6592 AML other m 2020-07-13T10:39:01.53
IV.SFI.EHE. ML:0.7 0.000025530665 0.8192 AML other m 2020-07-13T10:39:09.26
IV.SFI.EHN. ML:0.7 0.000023945505 0.8832 AML other m 2020-07-13T10:39:08.98
IV.NARO.HHE. ML:0.8 0.000022093415 0.0832 AML other m 2020-07-13T10:39:05.88
IV.NARO.HHN. ML:1.1 0.0000393939605 0.064 AML other m 2020-07-13T10:39:05.57
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