Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 09-04-2022 and time 18:49:13 (Italy) in region 6 km S Badia Tedalda (AR)

A magnitude ML 1.2 earthquake occured in region: 6 km S Badia Tedalda (AR), on

  • 09-04-2022 16:49:13 (UTC)
  • 09-04-2022 18:49:13 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.6520, 12.1820 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
Badia Tedalda AR 6 1087 1087
Borgo Pace PU 9 606 1693
Sansepolcro AR 10 15884 17577
Sestino AR 11 1355 18932
San Giustino PG 11 11297 30229
Pieve Santo Stefano AR 11 3183 33412
Mercatello sul Metauro PU 13 1378 34790
Caprese Michelangelo AR 16 1426 36216
Casteldelci RN 16 407 36623
Anghiari AR 16 5638 42261
Belforte all'Isauro PU 17 769 43030
Citerna PG 18 3531 46561
Sant'Angelo in Vado PU 19 4133 50694
Carpegna PU 19 1674 52368
Monterchi AR 19 1757 54125
Pennabilli RN 20 2869 56994

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km NE of Arezzo (99543 inhabitants)
54 Km S of Cesena (96758 inhabitants)
55 Km SW of Rimini (147750 inhabitants)
63 Km N of Perugia (166134 inhabitants)
65 Km S of Forlì (117913 inhabitants)
66 Km W of Pesaro (94582 inhabitants)
71 Km W of Fano (60888 inhabitants)
75 Km SE of Faenza (58541 inhabitants)
76 Km E of Firenze (382808 inhabitants)
78 Km E of Siena (53903 inhabitants)
81 Km E of Scandicci (50609 inhabitants)
85 Km S of Ravenna (159116 inhabitants)
87 Km SE of Imola (69797 inhabitants)
88 Km NW of Foligno (57155 inhabitants)
91 Km E of Prato (191150 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 2022-04-09
16:49:13		 43.6515 12.1822 10 2022-07-08
12:34:02		 Bollettino Sismico Italiano INGV 105743811
Reviewed
Rev100 		ML 1.0 2022-04-09
16:49:13		 43.6582 12.1927 9 2022-04-09
18:17:56		 Sala Sismica INGV-Roma 102995531
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-04-09 16:49:13 ± 0.1
Latitude 43.6515 ± 0.0054
Longitude 12.1822 ± 0.0062
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 105743811

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 643
Semi-minor axis of confidence ellipse (meter) 429
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 329
Circular confidence region, given by single value of horizontal uncertainty (meter) 640.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 180
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.04047
Epicentral distance of station farthest from the epicenter (degree) 0.32286
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 102995531
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-04-09 18:17:56

ML:1.2

Field Value
Value 1.2
Uncertainty 0.4
Num. used stations 6
Type of magnitude ML
Reference to an origin 105743811
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-06-08 09:51:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ATMI.HHZ. 2022-04-09T16:49:25.62 0.6 undecidable manual S 169 35.8419 50 0.14 48
IV.PIEI.HHZ. 2022-04-09T16:49:24.05 0.6 undecidable manual S 114 31.1466 50 -0.17 48
IV.NARO.HHZ. 2022-04-09T16:49:24.48 0.3 undecidable manual S 98 32.3454 50 -0.05 73
IV.ATPI.HNE. 2022-04-09T16:49:23.50 0.3 undecidable manual S 141 28.4493 50 0 74
IV.PE3.EHE. 2022-04-09T16:49:23.30 0.6 undecidable manual S 79 25.6521 111 0.61 43
IV.ATMC.EHE. 2022-04-09T16:49:21.47 0.6 undecidable manual S 178 22.755 113 -0.27 47
IV.ATMI.HHZ. 2022-04-09T16:49:20.35 0.3 undecidable manual P 169 35.8419 50 0.08 72
IV.CRE.HHZ. 2022-04-09T16:49:20.48 0.6 undecidable manual S 259 18.87 117 -0.04 50
IV.PIEI.HHZ. 2022-04-09T16:49:19.30 0.3 undecidable manual P 114 31.1466 50 -0.24 70
IV.NARO.HHZ. 2022-04-09T16:49:19.62 0.3 undecidable manual P 98 32.3454 50 -0.1 72
IV.BADI.EHZ. 2022-04-09T16:49:19.99 0.6 undecidable manual S 162 16.4724 121 0.18 49
IV.ATPI.HNE. 2022-04-09T16:49:19.04 0.1 undecidable manual P 141 28.4493 50 -0.09 97
IV.ATMC.EHE. 2022-04-09T16:49:18.14 0.1 undecidable manual P 178 22.755 113 0.03 100
IV.PE3.EHE. 2022-04-09T16:49:18.95 0.3 undecidable manual P 79 25.6521 111 0.29 70
IV.BADI.EHZ. 2022-04-09T16:49:17.26 0.1 undecidable manual P 162 16.4724 121 0.26 96
IV.CRE.HHZ. 2022-04-09T16:49:17.49 0.1 undecidable manual P 259 18.87 117 0.08 99
IV.SSP9.EHZ. 2022-04-09T16:49:17.82 0.6 undecidable manual S 205 9.5793 136 -0.07 51
IV.PARC.HHZ. 2022-04-09T16:49:16.10 0.6 undecidable manual S 94 4.4955 155 -0.78 42
IV.SSP9.EHZ. 2022-04-09T16:49:16.03 0.3 undecidable manual P 205 9.5793 136 0.14 75
IV.PARC.HHZ. 2022-04-09T16:49:15.15 0.1 positive manual P 94 4.4955 155 -0.16 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PARC.HHE. ML:1.7 0.000812 0.08 AML other m 2022-04-09T16:49:16.16
IV.PARC.HHN. ML:2.2 0.0031100000000000004 0.1 AML other m 2022-04-09T16:49:16.16
IV.BADI.EHE. ML:1.2 0.000134 0.78 AML other m 2022-04-09T16:49:20.53
IV.CRE.HHN. ML:0.8 0.000049200119 0.1664 AML other m 2022-04-09T16:49:20.60
IV.BADI.EHN. ML:1.1 0.00011599999999999999 0.14 AML other m 2022-04-09T16:49:20.73
IV.CRE.HHE. ML:0.8 0.00004670904999999999 1.4752 AML other m 2022-04-09T16:49:20.13
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