Earthquake with magnitude of ML 1.1 on date 13-07-2020 and time 18:24:17 (Italy) in region Pieve Santo Stefano (AR)

A magnitude ML 1.1 earthquake occured in region: Pieve Santo Stefano (AR), on

  • 13-07-2020 16:24:17 (UTC)
  • 13-07-2020 18:24:17 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.6670, 12.0380 at 9 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.

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 9 2023 6632
Chitignano AR 13 899 7531
Badia Tedalda AR 13 1087 8618
Sansepolcro AR 14 15884 24502
Anghiari AR 14 5638 30140
Verghereto FC 15 1907 32047
Castel Focognano AR 16 3149 35196
Subbiano AR 17 6331 41527
Casteldelci RN 17 407 41934
San Giustino PG 17 11297 53231
Bibbiena AR 18 12241 65472
Capolona AR 18 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)
85 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
Bulletin
Rev1000
ML 1.1 2020-07-13
16:24:17
43.6672 12.0378 9 2020-11-19
12:36:57
Bollettino Sismico Italiano INGV 81752271
Reviewed
Rev100
ML 1.1 2020-07-13
16:24:16
43.6732 12.0383 9 2020-07-13
16:43:27
Sala Sismica INGV-Roma 81009091
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-07-13 16:24:17 ± 0.06
Latitude 43.6672 ± 0.0045
Longitude 12.0378 ± 0.0050
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 81752271

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 517
Semi-minor axis of confidence ellipse (meter) 269
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 219
Circular confidence region, given by single value of horizontal uncertainty (meter) 520.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 127
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.07914
Epicentral distance of station farthest from the epicenter (degree) 0.39660
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 81752271
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-08-08 01:58:45

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 81009091
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-07-13 16:43:27
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PIEI.HHZ. 2020-07-13T16:24:31.28 0.6 undecidable manual S 110 42.5241 50 -0.02 47
IV.NARO.HHZ. 2020-07-13T16:24:31.59 0.3 undecidable manual S 98 44.0226 50 -0.12 70
IV.ATVO.HHZ. 2020-07-13T16:24:31.89 0.3 undecidable manual S 137 43.3233 50 0.36 66
IV.SFI.HNN. 2020-07-13T16:24:28.19 0.6 undecidable manual S 330 30.4473 107 0.1 48
IV.PIEI.HHZ. 2020-07-13T16:24:25.36 0.3 undecidable manual P 110 42.5241 50 0.08 70
IV.BADI.EHZ. 2020-07-13T16:24:25.96 0.3 undecidable manual S 136 24.0537 111 -0.03 73
IV.NARO.HHZ. 2020-07-13T16:24:25.21 0.1 undecidable manual P 98 44.0226 50 -0.3 89
IV.ASQU.HHZ. 2020-07-13T16:24:25.95 0.6 undecidable manual S 306 24.5532 110 -0.19 47
IV.ATVO.HHZ. 2020-07-13T16:24:25.38 0.3 undecidable manual P 137 43.3233 50 -0.03 71
IV.SFI.HNN. 2020-07-13T16:24:23.87 0.3 undecidable manual P 330 30.4473 107 0.45 66
IV.PARC.HHZ. 2020-07-13T16:24:23.52 0.1 undecidable manual S 97 16.2726 119 0.01 100
IV.ASQU.HHZ. 2020-07-13T16:24:22.09 0.1 undecidable manual P 306 24.5532 110 -0.21 94
IV.BADI.EHZ. 2020-07-13T16:24:22.11 0.3 undecidable manual P 136 24.0537 111 -0.1 72
IV.CRE.HHZ. 2020-07-13T16:24:21.38 0.1 undecidable manual S 232 8.7801 136 -0.05 100
IV.PARC.HHZ. 2020-07-13T16:24:20.87 0.1 positive manual P 97 16.2726 119 0.09 98
IV.CRE.HHZ. 2020-07-13T16:24:19.69 0.1 undecidable manual P 232 8.7801 136 0.11 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CRE.HHN. ML:1.1 0.000178 0.14 AML other m 2020-07-13T16:24:21.60
IV.CRE.HHE. ML:1.1 0.00016399999999999997 0.28 AML other m 2020-07-13T16:24:21.50
IV.PARC.HHN. ML:1.4 0.0002585 0.12 AML other m 2020-07-13T16:24:23.68
IV.PARC.HHE. ML:0.9 0.00006995 0.14 AML other m 2020-07-13T16:24:23.81
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