Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 27-01-2022 and time 16:18:59 (UTC) in region 7 km SE Pieve Santo Stefano (AR)

A magnitude ML 1.5 earthquake occured in region: 7 km SE Pieve Santo Stefano (AR), on

  • 27-01-2022 16:18:59 (UTC)
  • 27-01-2022 17:18:59 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.6190, 12.0860 at 10 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.

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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 7 3183 3183
Sansepolcro AR 7 15884 19067
Caprese Michelangelo AR 9 1426 20493
Anghiari AR 9 5638 26131
San Giustino PG 11 11297 37428
Badia Tedalda AR 13 1087 38515
Citerna PG 14 3531 42046
Monterchi AR 15 1757 43803
Chiusi della Verna AR 15 2023 45826
Chitignano AR 17 899 46725
Borgo Pace PU 17 606 47331
Subbiano AR 18 6331 53662
Capolona AR 19 5438 59100
Sestino AR 20 1355 60455

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km NE of Arezzo (99543 inhabitants)
59 Km S of Cesena (96758 inhabitants)
62 Km NW of Perugia (166134 inhabitants)
63 Km SW of Rimini (147750 inhabitants)
67 Km S of Forlì (117913 inhabitants)
69 Km E of Firenze (382808 inhabitants)
69 Km E of Siena (53903 inhabitants)
74 Km W of Pesaro (94582 inhabitants)
74 Km E of Scandicci (50609 inhabitants)
76 Km S of Faenza (58541 inhabitants)
79 Km W of Fano (60888 inhabitants)
85 Km E of Prato (191150 inhabitants)
87 Km SE of Imola (69797 inhabitants)
89 Km NW of Foligno (57155 inhabitants)
89 Km S of Ravenna (159116 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 1.5 2022-01-27
16:18:59		 43.619 12.0863 10 2022-07-08
12:33:28		 Bollettino Sismico Italiano INGV 100878901
Reviewed
Rev100 		ML 1.5 2022-01-27
16:18:59		 43.6173 12.0867 10 2022-01-27
16:27:58		 Sala Sismica INGV-Roma 100236951
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-01-27 16:18:59 ± 0.04
Latitude 43.6190 ± 0.0027
Longitude 12.0863 ± 0.0037
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 100878901

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 323
Semi-minor axis of confidence ellipse (meter) 205
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 215
Circular confidence region, given by single value of horizontal uncertainty (meter) 320.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 74
Number of associated phases, regardless of their use for origin computation 41
Number of defining phases 35
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.53330
Number of stations at which the event was observed 26
Number of stations from which data was used for origin computation 20
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 30
Type of magnitude ML
Reference to an origin 100878901
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-02-11 14:44:46

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 30
Type of magnitude ML
Reference to an origin 100236951
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-01-27 16:27:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NDIM.HHZ. 2022-01-27T16:19:26.45 3.0 undecidable manual P 0.22 0
IT.FIE.HGZ. 2022-01-27T16:19:20.15 3.0 undecidable manual S -0.8 0
IV.BRSN.EHZ. 2022-01-27T16:19:19.27 3.0 undecidable manual S -4.07 0
IV.ATVO.HHZ. 2022-01-27T16:19:12.30 0.6 undecidable manual S 135 36.8298 50 0.44 44
IV.PIEI.HHZ. 2022-01-27T16:19:12.00 0.6 undecidable manual S 104 37.2294 50 0.03 48
IV.ATMI.HHZ. 2022-01-27T16:19:11.36 0.3 undecidable manual S 155 34.8429 50 0.03 72
IV.SFI.EHZ. 2022-01-27T16:19:11.99 0.6 undecidable manual S 329 37.0296 50 0.05 48
IV.PE3.EHZ. 2022-01-27T16:19:11.59 0.6 undecidable manual S 75 33.9438 50 0.47 44
IV.LMD.HHZ. 2022-01-27T16:19:10.36 0.3 undecidable manual P 329 59.1963 50 0.37 64
IV.CAFI.HHZ. 2022-01-27T16:19:10.94 0.6 undecidable manual S 197 33.5442 50 -0.06 48
IV.SSFR.HHZ. 2022-01-27T16:19:10.22 3.0 undecidable manual P -0.16 0
IV.MMUR.HNZ. 2022-01-27T16:19:10.99 3.0 undecidable manual P -2.14 0
IV.ATPI.EHZ. 2022-01-27T16:19:10.34 0.3 undecidable manual S 126 31.5462 50 -0.12 72
IV.ASQU.HHZ. 2022-01-27T16:19:10.24 0.3 undecidable manual S 310 30.9468 50 -0.06 72
IV.MPAG.EHZ. 2022-01-27T16:19:09.03 0.1 positive manual P 89 54.1014 50 -0.17 90
IV.APEC.HHZ. 2022-01-27T16:19:09.47 0.3 undecidable manual S 104 27.6501 109 0.06 72
IV.RUFI.EHZ. 2022-01-27T16:19:09.17 3.0 positive manual P 0.16 0
IV.ATFO.HHZ. 2022-01-27T16:19:08.18 0.6 undecidable manual P 125 48.0186 50 -0.09 46
IV.ATMC.EHN. 2022-01-27T16:19:07.28 0.3 undecidable manual S 156 20.9679 115 0.04 74
IV.PIEI.HHZ. 2022-01-27T16:19:06.27 0.3 positive manual P 104 37.2294 50 -0.33 68
IV.BADI.EHZ. 2022-01-27T16:19:06.16 0.3 undecidable manual S 134 17.5713 119 -0.04 74
IV.ATMI.HHZ. 2022-01-27T16:19:06.05 0.3 undecidable manual P 155 34.8429 50 -0.18 70
IV.SFI.EHZ. 2022-01-27T16:19:06.41 0.3 positive manual P 329 37.0296 50 -0.17 70
IV.CAFI.HHZ. 2022-01-27T16:19:06.05 0.1 positive manual P 197 33.5442 50 0.01 96
IV.ATVO.HHZ. 2022-01-27T16:19:06.51 0.1 negative manual P 135 36.8298 50 -0.03 96
IV.PE3.EHZ. 2022-01-27T16:19:06.18 0.3 undecidable manual P 75 33.9438 50 0.08 71
IV.NARO.HHZ. 2022-01-27T16:19:06.76 0.3 undecidable manual P 91 39.7269 50 -0.22 69
IV.APEC.HHZ. 2022-01-27T16:19:05.12 0.3 undecidable manual P 104 27.6501 109 0 73
IV.ATPI.EHZ. 2022-01-27T16:19:05.70 0.1 negative manual P 126 31.5462 50 -0.02 97
IV.ASQU.HHZ. 2022-01-27T16:19:05.45 0.1 negative manual P 310 30.9468 50 -0.18 94
IV.CPGN.EHZ. 2022-01-27T16:19:05.52 0.3 undecidable manual P 43 27.5502 109 0.41 68
IV.CRE.HHZ. 2022-01-27T16:19:04.21 0.3 undecidable manual S 270 10.7781 132 -0.07 74
IV.PARC.HHZ. 2022-01-27T16:19:04.42 0.3 undecidable manual S 75 12.6762 127 -0.35 70
IV.SSP9.EHZ. 2022-01-27T16:19:03.13 0.3 undecidable manual S 144 6.1938 147 -0.09 74
IT.SNS1.HNE. 2022-01-27T16:19:03.41 0.3 undecidable manual S 144 6.1938 147 0.19 74
IV.BADI.EHZ. 2022-01-27T16:19:03.32 0.1 positive manual P 134 17.5713 119 0.05 99
IV.ATMC.EHN. 2022-01-27T16:19:03.84 0.1 positive manual P 156 20.9679 115 -0.03 98
IV.CRE.HHZ. 2022-01-27T16:19:02.25 0.1 positive manual P 270 10.7781 132 0.09 99
IV.PARC.HHZ. 2022-01-27T16:19:02.43 0.1 positive manual P 75 12.6762 127 -0.01 100
IV.SSP9.EHZ. 2022-01-27T16:19:01.64 0.1 negative manual P 144 6.1938 147 0.1 100
IT.SNS1.HNE. 2022-01-27T16:19:01.72 0.1 negative manual P 144 6.1938 147 0.17 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SSP9.EHN. ML:2.0 0.001515 0.2 AML other m 2022-01-27T16:19:03.38
IV.SSP9.EHE. ML:2.0 0.001655 0.48 AML other m 2022-01-27T16:19:03.78
IV.CRE.HHN. ML:1.9 0.0010715 0.22 AML other m 2022-01-27T16:19:04.40
IV.CRE.HHE. ML:1.6 0.0005745 0.84 AML other m 2022-01-27T16:19:04.42
IV.BADI.EHE. ML:1.7 0.00038700000000000003 1.22 AML other m 2022-01-27T16:19:06.09
IV.BADI.EHN. ML:1.5 0.00028000000000000003 0.26 AML other m 2022-01-27T16:19:10.89
IV.CAFI.HHE. ML:1.4 0.00012195 1.04 AML other m 2022-01-27T16:19:10.43
IV.ATPI.EHE. ML:1.5 0.000133 0.74 AML other m 2022-01-27T16:19:11.16
IV.CAFI.HHN. ML:1.4 0.0000975 0.18 AML other m 2022-01-27T16:19:11.51
IV.ASQU.HHN. ML:1.4 0.0001265 1.66 AML other m 2022-01-27T16:19:11.08
IV.SFI.EHE. ML:1.3 0.00008115 0.88 AML other m 2022-01-27T16:19:12.65
IV.CAFI.HNE. ML:1.5 0.000127 0.42 AML other m 2022-01-27T16:19:12.43
IV.CAFI.HNN. ML:1.4 0.00009295000000000001 0.5 AML other m 2022-01-27T16:19:12.26
IV.ATMI.HHE. ML:1.6 0.000154 0.22 AML other m 2022-01-27T16:19:12.41
IV.ASQU.HHE. ML:1.4 0.0001225 0.36 AML other m 2022-01-27T16:19:12.18
IV.NARO.HHE. ML:1.6 0.00014600000000000003 1.76 AML other m 2022-01-27T16:19:12.04
IV.ATVO.HHN. ML:1.5 0.0001085 0.42 AML other m 2022-01-27T16:19:12.75
IV.ATVO.HHE. ML:1.5 0.0001285 0.22 AML other m 2022-01-27T16:19:13.21
IV.NARO.HHN. ML:1.7 0.00017199999999999998 0.48 AML other m 2022-01-27T16:19:13.50
IV.ATFO.HHN. ML:1.6 0.0001022 0.2 AML other m 2022-01-27T16:19:16.19
IV.SFI.EHN. ML:1.3 0.00006785 1.46 AML other m 2022-01-27T16:19:16.25
IV.ATMI.HHN. ML:1.6 0.00014549999999999999 0.22 AML other m 2022-01-27T16:19:17.25
IV.MPAG.EHN. ML:1.4 0.000054449999999999995 1.14 AML other m 2022-01-27T16:19:17.86
IV.ATFO.HHE. ML:1.6 0.00011225 0.3 AML other m 2022-01-27T16:19:17.80
IV.RUFI.EHN. ML:1.5 0.00007935 0.28 AML other m 2022-01-27T16:19:18.16
IV.RUFI.EHE. ML:1.6 0.00008925 1.46 AML other m 2022-01-27T16:19:18.99
IV.ATPI.EHN. ML:1.3 0.00010095000000000001 0.44 AML other m 2022-01-27T16:19:19.52
IV.MPAG.EHE. ML:1.3 0.0000433 0.14 AML other m 2022-01-27T16:19:19.71
IV.LMD.HHN. ML:1.4 0.00005735 1.28 AML other m 2022-01-27T16:19:20.11
IV.LMD.HHE. ML:1.5 0.00006345000000000001 0.88 AML other m 2022-01-27T16:19:21.13
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