Earthquake with magnitude of ML 1.1 on date 09-02-2020 and time 03:38:41 (Italy) in region Pieve Santo Stefano (AR)

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

  • 09-02-2020 02:38:41 (UTC)
  • 09-02-2020 03:38:41 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.6730, 12.0400 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.

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
Verghereto FC 14 1907 26409
Anghiari AR 15 5638 32047
Casteldelci RN 16 407 32454
Castel Focognano AR 17 3149 35603
Subbiano AR 17 6331 41934
San Giustino PG 18 11297 53231
Bibbiena AR 18 12241 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)
64 Km E of Firenze (382808 inhabitants)
69 Km NW of Perugia (166134 inhabitants)
69 Km NE of Siena (53903 inhabitants)
69 Km S of Faenza (58541 inhabitants)
70 Km E of Scandicci (50609 inhabitants)
75 Km W of Pesaro (94582 inhabitants)
79 Km E of Prato (191150 inhabitants)
80 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 1.1 2020-02-09
02:38:41
43.6727 12.0398 9 2020-02-09
02:45:30
Sala Sismica INGV-Roma 76362751
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-02-09 02:38:41 ± 0.05
Latitude 43.6727 ± 0.0036
Longitude 12.0398 ± 0.0050
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 76362751

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 449
Semi-minor axis of confidence ellipse (meter) 185
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 225
Circular confidence region, given by single value of horizontal uncertainty (meter) 450.0
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 26
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.34354
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 76362751
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-02-09 02:45:30
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FIR.HHZ. 2020-02-09T02:39:04.10 3.0 undecidable manual S 0.35 0
IV.ZCCA.HHZ. 2020-02-09T02:39:03.42 3.0 negative manual P 1.08 0
IV.FDMO.HHZ. 2020-02-09T02:38:59.48 3.0 undecidable manual P -1.76 0
IV.ATPI.EHZ. 2020-02-09T02:38:54.71 0.6 undecidable manual S 130 38.1285 50 -0.01 48
IV.APEC.HHZ. 2020-02-09T02:38:53.71 0.3 undecidable manual S 112 33.0447 50 0.35 68
IV.SFI.EHZ. 2020-02-09T02:38:52.69 0.3 undecidable manual S 329 30.0477 107 0.18 71
IV.LMD.HHZ. 2020-02-09T02:38:51.76 3.0 positive manual P -0.27 0
IV.ATMC.EHZ. 2020-02-09T02:38:51.54 0.6 undecidable manual S 154 27.9498 108 -0.27 46
IV.ASQU.HHZ. 2020-02-09T02:38:50.54 0.3 undecidable manual S 304 24.3534 110 -0.1 73
IV.BADI.EHZ. 2020-02-09T02:38:50.65 0.3 undecidable manual S 138 24.4533 110 -0.02 74
IV.ATMI.HHZ. 2020-02-09T02:38:49.62 3.0 positive manual P -0.28 0
IV.PE3.EHZ. 2020-02-09T02:38:49.10 3.0 negative manual P 0.16 0
IV.NARO.HHZ. 2020-02-09T02:38:49.69 3.0 negative manual P -0.45 0
IV.ATPI.EHZ. 2020-02-09T02:38:48.96 0.6 undecidable manual P 130 38.1285 50 -0.23 46
IV.APEC.HHZ. 2020-02-09T02:38:48.34 0.3 undecidable manual P 112 33.0447 50 -0.06 72
IV.SFI.EHZ. 2020-02-09T02:38:47.87 0.3 undecidable manual P 329 30.0477 107 -0.04 73
IV.SSP9.EHZ. 2020-02-09T02:38:47.42 0.3 undecidable manual S 146 13.1757 124 0.24 72
IV.PARC.HHZ. 2020-02-09T02:38:47.98 0.3 undecidable manual S 99 16.1727 119 -0.08 74
IV.ATMC.EHZ. 2020-02-09T02:38:47.28 0.6 undecidable manual P 154 27.9498 108 -0.23 47
IV.CRE.HHZ. 2020-02-09T02:38:46.23 0.3 undecidable manual S 230 9.2796 134 0.11 74
IV.BADI.EHZ. 2020-02-09T02:38:46.57 0.3 undecidable manual P 138 24.4533 110 -0.28 70
IV.ASQU.HHZ. 2020-02-09T02:38:46.70 0.3 undecidable manual P 304 24.3534 110 -0.13 72
IV.PARC.HHZ. 2020-02-09T02:38:45.31 0.1 positive manual P 99 16.1727 119 -0.03 100
IT.SNS1.HNZ. 2020-02-09T02:38:45.03 0.3 undecidable manual P 146 13.2756 124 0.19 73
IV.CRE.HHZ. 2020-02-09T02:38:44.29 0.1 positive manual P 230 9.2796 134 0.07 100
IV.SSP9.EHZ. 2020-02-09T02:38:44.93 0.3 negative manual P 146 13.1757 124 0.09 74
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CRE.HHN. ML:1.7 0.0007920000000000001 0.16 AML other m 2020-02-09T02:38:46.31
IV.CRE.HHE. ML:1.6 0.000518 0.26 AML other m 2020-02-09T02:38:46.21
IV.SSP9.EHE. ML:1.1 0.00012345 0.88 AML other m 2020-02-09T02:38:47.70
IV.SSP9.EHN. ML:1.1 0.0001385 1.6 AML other m 2020-02-09T02:38:47.86
IV.PARC.HHN. ML:1.8 0.0006450000000000001 0.16 AML other m 2020-02-09T02:38:48.15
IV.PARC.HHE. ML:1.5 0.000275 0.18 AML other m 2020-02-09T02:38:48.29
IV.BADI.EHN. ML:1.0 0.000063 1.28 AML other m 2020-02-09T02:38:50.08
IV.ASQU.HHE. ML:0.8 0.000039699999999999996 0.48 AML other m 2020-02-09T02:38:54.32
IV.APEC.HHN. ML:1.3 0.00008085 1.06 AML other m 2020-02-09T02:38:54.57
IV.ASQU.HHN. ML:1.0 0.00005434999999999999 0.38 AML other m 2020-02-09T02:38:54.71
IV.APEC.HHE. ML:1.2 0.00007565 0.9 AML other m 2020-02-09T02:38:54.86
IV.ATPI.EHE. ML:0.9 0.000032500000000000004 1.2 AML other m 2020-02-09T02:38:55.89
IV.BADI.EHE. ML:0.9 0.000050299999999999996 0.34 AML other m 2020-02-09T02:38:55.59
IV.ATPI.EHN. ML:0.8 0.000025849999999999998 1.58 AML other m 2020-02-09T02:38:55.85
IV.SFI.EHN. ML:0.9 0.000034099999999999995 0.68 AML other m 2020-02-09T02:38:56.49
IV.NARO.HHN. ML:1.3 0.0000615 0.58 AML other m 2020-02-09T02:38:56.06
IV.SFI.EHE. ML:0.8 0.0000297 0.72 AML other m 2020-02-09T02:38:56.40
IV.NARO.HHE. ML:1.1 0.0000375 0.66 AML other m 2020-02-09T02:38:57.13
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