Earthquake with magnitude of ML 1.2 on date 21-03-2021 and time 05:16:48 (UTC) in region 3 km W Badia Tedalda (AR)

A magnitude ML 1.2 earthquake occured in region: 3 km W Badia Tedalda (AR), on

  • 21-03-2021 05:16:48 (UTC)
  • 21-03-2021 06:16:48 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.7190, 12.1490 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
Badia Tedalda AR 3 1087 1087
Casteldelci RN 8 407 1494
Pieve Santo Stefano AR 10 3183 4677
Sestino AR 12 1355 6032
Borgo Pace PU 14 606 6638
Verghereto FC 14 1907 8545
Pennabilli RN 15 2869 11414
Caprese Michelangelo AR 15 1426 12840
Sansepolcro AR 16 15884 28724
Carpegna PU 17 1674 30398
Sant'Agata Feltria RN 17 2151 32549
Mercatello sul Metauro PU 17 1378 33927
Chiusi della Verna AR 17 2023 35950
Belforte all'Isauro PU 18 769 36719
San Giustino PG 19 11297 48016
Frontino PU 19 293 48309

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km NE of Arezzo (99543 inhabitants)
47 Km S of Cesena (96758 inhabitants)
51 Km SW of Rimini (147750 inhabitants)
57 Km S of Forlì (117913 inhabitants)
65 Km W of Pesaro (94582 inhabitants)
67 Km SE of Faenza (58541 inhabitants)
71 Km N of Perugia (166134 inhabitants)
71 Km W of Fano (60888 inhabitants)
72 Km E of Firenze (382808 inhabitants)
78 Km E of Scandicci (50609 inhabitants)
78 Km S of Ravenna (159116 inhabitants)
79 Km SE of Imola (69797 inhabitants)
79 Km NE of Siena (53903 inhabitants)
86 Km E of Prato (191150 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 1.2 2021-03-21
05:16:48
43.7187 12.1488 10 2021-07-12
16:55:04
Bollettino Sismico Italiano INGV 88741721
Reviewed
Rev100
ML 1.2 2021-03-21
05:16:48
43.7197 12.1458 11 2021-03-21
05:23:30
Sala Sismica INGV-Roma 88337391
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-03-21 05:16:48 ± 0.1
Latitude 43.7187 ± 0.0063
Longitude 12.1488 ± 0.0075
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 88741721

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 740
Semi-minor axis of confidence ellipse (meter) 192
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 35
Circular confidence region, given by single value of horizontal uncertainty (meter) 740.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 100
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 31
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.09533
Epicentral distance of station farthest from the epicenter (degree) 0.47934
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 16
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 20
Type of magnitude ML
Reference to an origin 88741721
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-06-14 12:33:30

ML:1.2

Field Value
Value 1.2
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 88337391
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-03-21 05:23:30
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LMD.HHE. 2021-03-21T05:17:05.61 0.3 undecidable manual S 319 53.2023 50 0.54 63
IV.RUFI.EHZ. 2021-03-21T05:17:05.64 0.3 undecidable manual S 285 52.9026 50 0.66 61
IV.MPAG.EHZ. 2021-03-21T05:17:04.61 0.6 undecidable manual S 101 50.0166 50 0.4 44
IV.ATBU.EHZ. 2021-03-21T05:17:03.24 0.6 undecidable manual S 130 41.9247 50 1.19 32
IV.ATPI.EHZ. 2021-03-21T05:17:01.00 0.6 undecidable manual S 146 36.0417 50 0.51 44
IV.ATPC.HHE. 2021-03-21T05:17:01.07 0.3 undecidable manual S 137 36.2415 50 0.54 65
IV.NARO.HHZ. 2021-03-21T05:17:00.27 0.6 undecidable manual S 109 36.6411 50 -0.38 45
IV.SFI.EHZ. 2021-03-21T05:16:59.21 0.6 undecidable manual S 311 31.746 50 -0.14 48
IV.ASQU.HHZ. 2021-03-21T05:16:59.02 0.6 undecidable manual S 287 30.0477 50 0.12 48
IV.PE3.EHZ. 2021-03-21T05:16:58.61 0.6 undecidable manual S 95 27.9498 50 0.27 47
IV.APEC.HHZ. 2021-03-21T05:16:58.65 0.6 undecidable manual S 129 28.0497 50 0.28 47
IV.LMD.HHE. 2021-03-21T05:16:58.02 0.3 undecidable manual P 319 53.2023 50 0.07 71
IV.RINC.HHN. 2021-03-21T05:16:57.08 0.6 undecidable manual P 293 47.2194 50 0.05 48
IV.MPAG.EHZ. 2021-03-21T05:16:57.03 0.3 undecidable manual P 101 50.0166 50 -0.43 66
IV.BADI.EHZ. 2021-03-21T05:16:57.49 0.6 undecidable manual S 162 24.4533 50 0.1 49
IV.RUFI.EHZ. 2021-03-21T05:16:57.71 0.1 undecidable manual P 285 52.9026 50 -0.19 92
IV.ATBU.EHZ. 2021-03-21T05:16:56.18 0.3 undecidable manual P 130 41.9247 50 -0.03 73
IV.CPGN.EHZ. 2021-03-21T05:16:55.76 0.3 undecidable manual S 56 16.4724 122 0.77 62
IV.ATPI.EHZ. 2021-03-21T05:16:55.07 0.3 undecidable manual P 146 36.0417 50 -0.24 70
IV.SSP9.EHZ. 2021-03-21T05:16:55.28 0.3 undecidable manual S 185 16.0728 123 0.41 70
IV.NARO.HHZ. 2021-03-21T05:16:54.76 0.1 undecidable manual P 109 36.6411 50 -0.64 84
IV.ASQU.HHZ. 2021-03-21T05:16:54.12 0.3 undecidable manual P 287 30.0477 50 -0.27 71
IV.SFI.EHZ. 2021-03-21T05:16:54.29 0.1 undecidable manual P 311 31.746 50 -0.36 92
IV.ATPC.HHE. 2021-03-21T05:16:54.99 0.1 undecidable manual P 137 36.2415 50 -0.34 92
IV.BADI.EHZ. 2021-03-21T05:16:53.31 0.1 undecidable manual P 162 24.4533 50 -0.21 96
IV.PARC.HHZ. 2021-03-21T05:16:53.12 0.6 undecidable manual S 137 10.5783 134 -0.24 49
IV.PE3.EHZ. 2021-03-21T05:16:53.68 0.1 undecidable manual P 95 27.9498 50 -0.39 92
IV.APEC.HHZ. 2021-03-21T05:16:53.94 0.1 undecidable manual P 129 28.0497 50 -0.14 97
IV.SSP9.EHZ. 2021-03-21T05:16:52.15 0.3 undecidable manual P 185 16.0728 123 0.08 75
IV.CPGN.EHZ. 2021-03-21T05:16:52.22 0.1 undecidable manual P 56 16.4724 122 0.09 100
IV.PARC.HHZ. 2021-03-21T05:16:51.04 0.1 positive manual P 137 10.5783 134 -0.15 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PARC.HHE. ML:1.1 0.0001503029 0.2208 AML other m 2021-03-21T05:16:53.44
IV.PARC.HHN. ML:1.2 0.00020250000000000002 0.08 AML other m 2021-03-21T05:16:53.61
IV.SSP9.EHN. ML:0.9 0.00006834822 1.0976 AML other m 2021-03-21T05:16:55.42
IV.SSP9.EHE. ML:1.1 0.000112453975 1.4208 AML other m 2021-03-21T05:16:55.09
IV.CPGN.EHE. ML:1.5 0.00027053505 0.5216 AML other m 2021-03-21T05:16:56.38
IV.CPGN.HNE. ML:1.5 0.00029573125 0.4992 AML other m 2021-03-21T05:16:56.76
IV.BADI.EHE. ML:1.0 0.000062064515 0.1024 AML other m 2021-03-21T05:16:57.74
IV.BADI.EHN. ML:1.0 0.0000613645275 0.16 AML other m 2021-03-21T05:16:58.03
IV.SFI.EHN. ML:1.2 0.000071414175 2.2432 AML other m 2021-03-21T05:16:58.98
IV.PE3.EHN. ML:1.8 0.000300011035 0.1984 AML other m 2021-03-21T05:16:59.05
IV.PE3.EHE. ML:1.7 0.00028178925 0.3808 AML other m 2021-03-21T05:16:59.11
IV.SFI.EHE. ML:1.1 0.00006100352 1.68 AML other m 2021-03-21T05:16:59.72
IV.APEC.HHE. ML:1.1 0.000059809769999999996 0.1984 AML other m 2021-03-21T05:16:59.96
IV.APEC.HHN. ML:1.1 0.00006712259 0.3008 AML other m 2021-03-21T05:17:00.57
IV.NARO.HHN. ML:1.4 0.000090928805 0.08 AML other m 2021-03-21T05:17:01.15
IV.ATPI.EHE. ML:1.0 0.000036428135 0.08 AML other m 2021-03-21T05:17:01.25
IV.ATPI.EHN. ML:1.1 0.000051267175 0.8 AML other m 2021-03-21T05:17:01.11
IV.NARO.HHE. ML:1.2 0.000054068095 0.0576 AML other m 2021-03-21T05:17:01.62
IV.MPAG.HNE. ML:1.6 0.00010978536 1.8208 AML other m 2021-03-21T05:17:04.36
IV.MPAG.EHE. ML:1.3 0.00004835478 3.7792 AML other m 2021-03-21T05:17:03.98
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