Earthquake with magnitude of ML 0.5 on date 28-01-2022 and time 00:32:59 (UTC) in region 6 km SE Pieve Santo Stefano (AR)

A magnitude ML 0.5 earthquake occured in region: 6 km SE Pieve Santo Stefano (AR), on

  • 28-01-2022 00:32:59 (UTC)
  • 28-01-2022 01:32:59 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.6230, 12.0920 at 8 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
Pieve Santo Stefano AR 7 3183 3183
Sansepolcro AR 7 15884 19067
Caprese Michelangelo AR 9 1426 20493
Anghiari AR 10 5638 26131
San Giustino PG 11 11297 37428
Badia Tedalda AR 12 1087 38515
Citerna PG 14 3531 42046
Chiusi della Verna AR 15 2023 44069
Monterchi AR 15 1757 45826
Borgo Pace PU 17 606 46432
Chitignano AR 18 899 47331
Subbiano AR 19 6331 53662
Sestino AR 19 1355 55017
Casteldelci RN 20 407 55424
Capolona AR 20 5438 60862

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km NE of Arezzo (99543 inhabitants)
58 Km S of Cesena (96758 inhabitants)
62 Km SW of Rimini (147750 inhabitants)
62 Km NW of Perugia (166134 inhabitants)
67 Km S of Forlì (117913 inhabitants)
69 Km E of Firenze (382808 inhabitants)
70 Km E of Siena (53903 inhabitants)
73 Km W of Pesaro (94582 inhabitants)
75 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 S of Ravenna (159116 inhabitants)
89 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
Reviewed
Rev100
ML 0.5 2022-01-28
00:32:59
43.6233 12.0918 8 2022-01-28
00:45:14
Sala Sismica INGV-Roma 100245001
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-01-28 00:32:59 ± 0.21
Latitude 43.6233 ± 0.0063
Longitude 12.0918 ± 0.0037
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 100245001

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 633
Semi-minor axis of confidence ellipse (meter) 281
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 2
Circular confidence region, given by single value of horizontal uncertainty (meter) 630.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 169
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
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) 0.05666
Epicentral distance of station farthest from the epicenter (degree) 0.15828
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitude information

ML:0.5

Field Value
Value 0.5
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 100245001
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-01-28 00:45:14
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.BADI.EHZ. 2022-01-28T00:33:05.54 0.6 undecidable manual S 136 17.5713 115 -0.32 47
IV.PARC.HHZ. 2022-01-28T00:33:04.13 0.1 undecidable manual S 77 12.0768 124 -0.08 99
IV.BADI.EHZ. 2022-01-28T00:33:03.06 1.0 undecidable manual P 136 17.5713 115 0.05 25
IV.CRE.HHZ. 2022-01-28T00:33:03.85 0.1 undecidable manual S 268 11.2776 126 -0.12 99
IV.PARC.HHZ. 2022-01-28T00:33:02.12 0.1 undecidable manual P 77 12.0768 124 0.06 100
IV.SSP9.EHZ. 2022-01-28T00:33:02.87 0.3 undecidable manual S 150 6.2937 142 0.14 74
IV.SSP9.EHZ. 2022-01-28T00:33:01.31 0.1 undecidable manual P 150 6.2937 142 0.11 100
IV.CRE.HHZ. 2022-01-28T00:33:01.97 0.1 undecidable manual P 268 11.2776 126 0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CRE.HHE. ML:0.3 0.000026049999999999996 0.58 AML other m 2022-01-28T00:33:03.13
IV.CRE.HHN. ML:0.6 0.000052699999999999993 0.22 AML other m 2022-01-28T00:33:04.11
IV.PARC.HHN. ML:0.5 0.00004065 0.4 AML other m 2022-01-28T00:33:04.30
IV.PARC.HHE. ML:0.6 0.0000466 0.44 AML other m 2022-01-28T00:33:04.84
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