Earthquake with magnitude of ML 1.2 on date 12-04-2022 and time 12:10:46 (Italy) in region 3 km N Sansepolcro (AR)

A magnitude ML 1.2 earthquake occured in region: 3 km N Sansepolcro (AR), on

  • 12-04-2022 10:10:46 (UTC)
  • 12-04-2022 12:10:46 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.6020, 12.1450 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.

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 3 15884 15884
San Giustino PG 6 11297 27181
Anghiari AR 10 5638 32819
Pieve Santo Stefano AR 11 3183 36002
Citerna PG 12 3531 39533
Badia Tedalda AR 12 1087 40620
Monterchi AR 13 1757 42377
Caprese Michelangelo AR 14 1426 43803
Borgo Pace PU 14 606 44409
Mercatello sul Metauro PU 16 1378 45787
Sestino AR 17 1355 47142
CittĂ  di Castello PG 18 39913 87055
Monte Santa Maria Tiberina PG 18 1183 88238

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km NE of Arezzo (99543 inhabitants)
58 Km NW of Perugia (166134 inhabitants)
60 Km S of Cesena (96758 inhabitants)
61 Km SW of Rimini (147750 inhabitants)
70 Km S of Forlì (117913 inhabitants)
71 Km W of Pesaro (94582 inhabitants)
73 Km E of Siena (53903 inhabitants)
74 Km E of Firenze (382808 inhabitants)
75 Km W of Fano (60888 inhabitants)
79 Km S of Faenza (58541 inhabitants)
79 Km E of Scandicci (50609 inhabitants)
85 Km NW of Foligno (57155 inhabitants)
90 Km E of Prato (191150 inhabitants)
90 Km SE of Imola (69797 inhabitants)
91 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 1.2 2022-04-12
10:10:46
43.6017 12.1447 10 2022-07-08
12:33:57
Bollettino Sismico Italiano INGV 104782611
Reviewed
Rev100
ML 1.2 2022-04-12
10:10:46
43.5995 12.1588 10 2022-04-12
10:20:28
Sala Sismica INGV-Roma 103115461
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-04-12 10:10:46 ± 0.09
Latitude 43.6017 ± 0.0045
Longitude 12.1447 ± 0.0075
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 104782611

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 605
Semi-minor axis of confidence ellipse (meter) 454
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 312
Circular confidence region, given by single value of horizontal uncertainty (meter) 610.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 115
Number of associated phases, regardless of their use for origin computation 37
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.31566
Number of stations at which the event was observed 26
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 104782611
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-05-17 22:20:01

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 103115461
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-04-12 10:20:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IX.COL3.HHZ.02 2022-04-12T10:12:30.76 3.0 undecidable manual Sn 5.37 0
IV.SACR.HHZ. 2022-04-12T10:12:26.54 3.0 positive manual Pn 21.709999 0
IV.VCRE.HHZ. 2022-04-12T10:12:25.98 3.0 undecidable manual Pn 13.59 0
IV.SSY.HHZ. 2022-04-12T10:12:22.90 3.0 positive manual Pn 4.42 0
IV.CET2.HHZ. 2022-04-12T10:12:18.53 3.0 undecidable manual Pg 24.049999 0
IV.IVGP.HHZ. 2022-04-12T10:12:16.58 3.0 undecidable manual Pg 14.22 0
IV.RESU.HHZ. 2022-04-12T10:12:03.40 3.0 positive manual Pn -5.09 0
GU.RORO.HHZ. 2022-04-12T10:11:50.54 3.0 undecidable manual Sn 3.24 0
IV.GIUL.HHZ. 2022-04-12T10:11:39.83 3.0 undecidable manual Sn -5.58 0
IV.GUMA.HHZ. 2022-04-12T10:11:28.81 3.0 undecidable manual Sg 8.57 0
GU.RORO.HHZ. 2022-04-12T10:11:26.71 3.0 undecidable manual Pg 10.1 0
IV.FAGN.HHZ. 2022-04-12T10:11:19.27 3.0 negative manual Pg 9.37 0
IV.RNI2.HHZ. 2022-04-12T10:11:17.95 3.0 undecidable manual Pn -1.53 0
ST.ZIAN.EHZ. 2022-04-12T10:11:11.58 3.0 positive manual Pn -5.44 0
IV.ARVD.HHZ. 2022-04-12T10:11:06.71 3.0 undecidable manual Sn -3.37 0
IV.MMO1.EHZ. 2022-04-12T10:11:02.90 3.0 positive manual Pn 0.47 0
IV.PIEI.HHZ. 2022-04-12T10:10:57.39 0.6 undecidable manual S 103 32.2455 50 0.02 47
IV.NARO.HHZ. 2022-04-12T10:10:57.94 0.3 undecidable manual S 88 35.0427 50 -0.18 68
IV.CAFI.HHZ. 2022-04-12T10:10:57.79 0.3 undecidable manual S 205 33.4443 50 0.09 70
IV.CPGN.EHZ. 2022-04-12T10:10:56.42 0.3 undecidable manual S 32 26.2515 50 0.65 61
IV.RIBO.EHZ.01 2022-04-12T10:10:53.64 3.0 positive manual P 0.69 0
IV.ATMC.EHZ. 2022-04-12T10:10:53.19 0.6 undecidable manual S 167 17.5713 119 0.14 47
IV.CAFI.HHZ. 2022-04-12T10:10:52.93 0.1 undecidable manual P 205 33.4443 50 0.16 92
IV.CRE.HHZ. 2022-04-12T10:10:52.20 0.6 undecidable manual S 277 15.6732 122 -0.26 46
IV.PIEI.HHZ. 2022-04-12T10:10:52.34 0.1 positive manual P 103 32.2455 50 -0.24 90
IV.NARO.HHZ. 2022-04-12T10:10:52.71 0.1 undecidable manual P 88 35.0427 50 -0.31 89
IV.BADI.EHZ. 2022-04-12T10:10:51.91 0.6 undecidable manual S 142 12.9759 127 0.2 47
IV.CPGN.EHZ. 2022-04-12T10:10:51.98 0.1 undecidable manual P 32 26.2515 50 0.32 90
IV.ATMC.EHZ. 2022-04-12T10:10:50.28 0.1 undecidable manual P 167 17.5713 119 0.19 94
IV.PARC.HHZ. 2022-04-12T10:10:50.08 0.6 undecidable manual S 55 9.1797 137 -0.65 42
IV.SSP9.EHZ. 2022-04-12T10:10:49.03 0.6 undecidable manual S 199 3.2967 162 -0.63 43
IV.BADI.EHZ. 2022-04-12T10:10:49.50 0.1 negative manual P 142 12.9759 127 0.19 95
IV.CRE.HHZ. 2022-04-12T10:10:49.72 0.1 undecidable manual P 277 15.6732 122 -0.03 97
IT.SNS1.HNE. 2022-04-12T10:10:49.70 0.6 undecidable manual S 199 3.2967 162 0.04 50
IV.PARC.HHZ. 2022-04-12T10:10:48.59 0.1 undecidable manual P 55 9.1797 137 -0.16 96
IT.SNS1.HNE. 2022-04-12T10:10:48.19 0.3 undecidable manual P 199 3.2967 162 0.06 74
IV.SSP9.EHZ. 2022-04-12T10:10:48.13 0.1 undecidable manual P 199 3.2967 162 0 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SSP9.EHN. ML:1.4 0.0004485 0.48 AML other m 2022-04-12T10:10:49.46
IV.SSP9.EHE. ML:1.2 0.00026900000000000003 0.78 AML other m 2022-04-12T10:10:50.26
IV.PARC.HHE. ML:1.3 0.000253 0.76 AML other m 2022-04-12T10:10:51.79
IV.PARC.HHN. ML:1.3 0.00028900000000000003 1.56 AML other m 2022-04-12T10:10:52.96
IV.CRE.HHN. ML:1.1 0.00011175 0.22 AML other m 2022-04-12T10:10:52.32
IV.BADI.EHN. ML:1.0 0.000096 1.38 AML other m 2022-04-12T10:10:52.09
IV.CRE.HHE. ML:0.9 0.00006829999999999999 0.64 AML other m 2022-04-12T10:10:53.49
IV.BADI.EHE. ML:1.0 0.00011800000000000001 0.98 AML other m 2022-04-12T10:10:54.51
IV.PIEI.HHN. ML:1.3 0.0000913 0.12 AML other m 2022-04-12T10:10:57.61
IV.CPGN.EHN. ML:1.2 0.0000855 0.92 AML other m 2022-04-12T10:10:57.27
IV.CPGN.EHE. ML:1.2 0.00009725 0.44 AML other m 2022-04-12T10:10:57.62
IV.PIEI.HHE. ML:1.5 0.00014250000000000002 0.1 AML other m 2022-04-12T10:10:57.82
IV.NARO.HHN. ML:1.2 0.00006565 1.36 AML other m 2022-04-12T10:10:58.73
IV.NARO.HHE. ML:0.9 0.00003675 0.64 AML other m 2022-04-12T10:10:59.48
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