Earthquake with magnitude of ML 1.1 on date 21-05-2022 and time 06:48:51 (Italy) in region 6 km NE Sansepolcro (AR)

A magnitude ML 1.1 earthquake occured in region: 6 km NE Sansepolcro (AR), on

  • 21-05-2022 04:48:51 (UTC)
  • 21-05-2022 06:48:51 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.6170, 12.1730 at 10 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
Sansepolcro AR 6 15884 15884
San Giustino PG 8 11297 27181
Badia Tedalda AR 10 1087 28268
Borgo Pace PU 11 606 28874
Pieve Santo Stefano AR 12 3183 32057
Anghiari AR 13 5638 37695
Mercatello sul Metauro PU 14 1378 39073
Citerna PG 14 3531 42604
Sestino AR 14 1355 43959
Monterchi AR 15 1757 45716
Caprese Michelangelo AR 15 1426 47142
CittĂ  di Castello PG 18 39913 87055
Casteldelci RN 20 407 87462
Belforte all'Isauro PU 20 769 88231
Monte Santa Maria Tiberina PG 20 1183 89414

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km NE of Arezzo (99543 inhabitants)
58 Km S of Cesena (96758 inhabitants)
59 Km SW of Rimini (147750 inhabitants)
59 Km NW of Perugia (166134 inhabitants)
68 Km W of Pesaro (94582 inhabitants)
68 Km S of Forlì (117913 inhabitants)
73 Km W of Fano (60888 inhabitants)
76 Km E of Siena (53903 inhabitants)
76 Km E of Firenze (382808 inhabitants)
78 Km SE of Faenza (58541 inhabitants)
81 Km E of Scandicci (50609 inhabitants)
85 Km NW of Foligno (57155 inhabitants)
89 Km S of Ravenna (159116 inhabitants)
90 Km SE of Imola (69797 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
Reviewed
Rev100
ML 1.1 2022-05-21
04:48:51
43.6168 12.1733 10 2022-05-21
05:01:32
Sala Sismica INGV-Roma 104934761
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-05-21 04:48:51 ± 0.13
Latitude 43.6168 ± 0.0090
Longitude 12.1733 ± 0.0062
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 104934761

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 995
Semi-minor axis of confidence ellipse (meter) 328
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 7
Circular confidence region, given by single value of horizontal uncertainty (meter) 990.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 196
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 14
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) 0.32466
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 104934761
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-05-21 05:01:32
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CING.HHZ. 2022-05-21T04:49:08.05 3.0 undecidable manual P 0.88 0
IV.ATVO.HHZ. 2022-05-21T04:49:03.56 0.1 undecidable manual S 144 32.1456 50 0.64 85
IV.CAFI.HHZ. 2022-05-21T04:49:03.91 0.1 undecidable manual S 208 36.0417 50 -0.05 98
IV.PIEI.HHZ. 2022-05-21T04:49:02.39 0.1 undecidable manual S 107 30.4473 50 -0.08 99
IV.ATPI.EHZ. 2022-05-21T04:49:01.13 0.1 undecidable manual S 135 26.0517 50 -0.17 98
IV.RUFI.EHZ. 2022-05-21T04:49:00.98 3.0 undecidable manual P -1.47 0
IV.APEC.HHZ. 2022-05-21T04:49:00.04 0.1 undecidable manual S 108 20.868 116 0.26 97
IV.CRE.HHZ. 2022-05-21T04:48:59.09 0.1 undecidable manual S 271 17.7711 120 0.24 98
IV.ATVO.HHZ. 2022-05-21T04:48:58.15 0.6 positive manual P 144 32.1456 50 -0.03 50
IV.CAFI.HHZ. 2022-05-21T04:48:58.70 0.3 undecidable manual P 208 36.0417 50 -0.09 73
IV.ATPI.EHZ. 2022-05-21T04:48:57.04 1.0 positive manual P 135 26.0517 50 -0.21 24
IV.PIEI.HHZ. 2022-05-21T04:48:57.69 0.1 negative manual P 107 30.4473 50 -0.24 96
IV.BADI.EHZ. 2022-05-21T04:48:57.26 0.1 undecidable manual S 154 13.1757 128 -0.26 98
IV.APEC.HHZ. 2022-05-21T04:48:56.43 0.6 undecidable manual P 108 20.868 116 0.06 50
IV.CRE.HHZ. 2022-05-21T04:48:55.71 0.1 positive manual P 271 17.7711 120 -0.12 100
IV.BADI.EHZ. 2022-05-21T04:48:54.93 1.0 undecidable manual P 154 13.1757 128 -0.14 25
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BADI.EHN. ML:1.2 0.00017649999999999998 0.14 AML other m 2022-05-21T04:48:57.41
IV.BADI.EHE. ML:1.1 0.0001255 0.2 AML other m 2022-05-21T04:48:57.92
IV.APEC.HHE. ML:1.1 0.00008065 0.6 AML other m 2022-05-21T04:49:00.72
IV.APEC.HHN. ML:0.9 0.0000551 1.24 AML other m 2022-05-21T04:49:00.80
IV.ATPI.EHE. ML:1.2 0.00008555 0.22 AML other m 2022-05-21T04:49:01.56
IV.ATPI.EHN. ML:1.1 0.0000629 0.76 AML other m 2022-05-21T04:49:01.49
IV.PIEI.HHE. ML:1.0 0.00005235 0.1 AML other m 2022-05-21T04:49:02.85
IV.PIEI.HHN. ML:0.9 0.0000339 0.58 AML other m 2022-05-21T04:49:03.02
IV.ATVO.HHE. ML:1.0 0.0000439 0.42 AML other m 2022-05-21T04:49:03.69
IV.ATVO.HHN. ML:0.9 0.000034500000000000005 0.14 AML other m 2022-05-21T04:49:03.99
IV.CING.HHE. ML:1.5 0.000040400000000000006 0.12 AML other m 2022-05-21T04:49:24.48
IV.CING.HHN. ML:1.2 0.000021249999999999998 0.08 AML other m 2022-05-21T04:49:24.65
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