Earthquake with magnitude of ML 1.2 on date 25-01-2022 and time 22:59:57 (Italy) in region 9 km E San Godenzo (FI)

A magnitude ML 1.2 earthquake occured in region: 9 km E San Godenzo (FI), on

  • 25-01-2022 21:59:57 (UTC)
  • 25-01-2022 22:59:57 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.8970, 11.7310 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
San Godenzo FI 10 1167 1167
Premilcuore FC 10 799 1966
Pratovecchio Stia AR 12 5845 7811
Londa FI 14 1840 9651
Portico e San Benedetto FC 15 756 10407
Santa Sofia FC 15 4136 14543
Dicomano FI 17 5515 20058
Castel San Niccolò AR 17 2707 22765
Galeata FC 18 2516 25281
Poppi AR 19 6160 31441
Montemignaio AR 19 566 32007

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km E of Firenze (382808 inhabitants)
44 Km SW of Forlì (117913 inhabitants)
45 Km S of Faenza (58541 inhabitants)
47 Km E of Scandicci (50609 inhabitants)
49 Km SW of Cesena (96758 inhabitants)
49 Km N of Arezzo (99543 inhabitants)
51 Km E of Prato (191150 inhabitants)
51 Km S of Imola (69797 inhabitants)
65 Km E of Pistoia (90315 inhabitants)
69 Km SW of Ravenna (159116 inhabitants)
69 Km W of Rimini (147750 inhabitants)
72 Km NE of Siena (53903 inhabitants)
73 Km SE of Bologna (386663 inhabitants)
95 Km W of Pesaro (94582 inhabitants)
99 Km E of Lucca (89046 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 1.2 2022-01-25
21:59:57
43.8967 11.731 9 2022-01-25
22:11:52
Sala Sismica INGV-Roma 100179681
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-01-25 21:59:57 ± 0.04
Latitude 43.8967 ± 0.0018
Longitude 11.7310 ± 0.0037
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 100179681

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 277
Semi-minor axis of confidence ellipse (meter) 114
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 52
Circular confidence region, given by single value of horizontal uncertainty (meter) 280.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 80
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.08364
Epicentral distance of station farthest from the epicenter (degree) 0.52970
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 100179681
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-01-25 22:11:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSNT.HHN. 2022-01-25T22:00:15.95 0.6 undecidable manual S 217 58.7967 50 0.09 46
IV.SSP9.EHN. 2022-01-25T22:00:13.02 1.0 undecidable manual S 138 48.1185 50 0.03 24
IV.BRIS.HHZ. 2022-01-25T22:00:10.20 0.6 undecidable manual S 4 36.4413 50 0.3 46
IV.VISG.HHZ. 2022-01-25T22:00:10.85 0.3 undecidable manual S 324 40.1265 50 -0.02 72
IV.CRE.HHZ. 2022-01-25T22:00:09.55 0.3 undecidable manual S 150 35.5422 50 -0.1 72
IV.SEI.HHN. 2022-01-25T22:00:09.38 0.3 undecidable manual S 301 34.4433 50 0.01 73
IV.CSNT.HHN. 2022-01-25T22:00:08.13 1.0 undecidable manual P 217 58.7967 50 0.18 23
IV.BOSL.HHE. 2022-01-25T22:00:07.46 0.3 undecidable manual S 278 28.749 107 -0.09 73
IV.SSP9.EHN. 2022-01-25T22:00:06.08 0.6 undecidable manual P 138 48.1185 50 -0.22 46
IV.CRE.HHZ. 2022-01-25T22:00:04.14 0.1 undecidable manual P 150 35.5422 50 -0.22 94
IV.SEI.HHN. 2022-01-25T22:00:04.30 0.6 undecidable manual P 301 34.4433 50 0.1 48
IV.RUFI.EHZ. 2022-01-25T22:00:04.16 0.3 undecidable manual S 250 18.87 114 -0.17 73
IV.BRIS.HHZ. 2022-01-25T22:00:04.71 0.1 undecidable manual P 4 36.4413 50 0.2 94
IV.LMD.HHZ. 2022-01-25T22:00:04.66 0.3 undecidable manual S 355 20.1687 113 -0.08 74
IV.VISG.HHZ. 2022-01-25T22:00:04.81 0.1 undecidable manual P 324 40.1265 50 -0.26 92
IV.BOSL.HHE. 2022-01-25T22:00:03.15 0.1 undecidable manual P 278 28.749 107 0 99
IV.ASQU.HHZ. 2022-01-25T22:00:02.33 0.3 undecidable manual S 157 12.0768 125 0.07 75
IV.SFI.EHZ. 2022-01-25T22:00:01.28 0.3 undecidable manual S 84 9.2796 132 -0.24 73
IV.RUFI.EHZ. 2022-01-25T22:00:01.45 0.1 undecidable manual P 250 18.87 114 0.16 97
IV.LMD.HHZ. 2022-01-25T22:00:01.48 0.1 undecidable manual P 355 20.1687 113 -0.05 100
IV.ASQU.HHZ. 2022-01-25T22:00:00.35 0.1 undecidable manual P 157 12.0768 125 0.25 97
IV.SFI.EHZ. 2022-01-25T21:59:59.79 0.1 undecidable manual P 84 9.2796 132 0.12 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SFI.EHE. ML:1.2 0.00021250000000000002 0.24 AML other m 2022-01-25T22:00:01.70
IV.SFI.HNE. ML:1.2 0.000247 0.38 AML other m 2022-01-25T22:00:01.70
IV.SFI.EHN. ML:1.3 0.00030000000000000003 0.24 AML other m 2022-01-25T22:00:01.71
IV.SFI.HNN. ML:1.4 0.00033600000000000004 0.68 AML other m 2022-01-25T22:00:01.71
IV.ASQU.HHE. ML:1.0 0.00011 0.18 AML other m 2022-01-25T22:00:02.49
IV.ASQU.HHN. ML:1.1 0.000138 0.28 AML other m 2022-01-25T22:00:02.81
IV.LMD.HHE. ML:1.1 0.00009784999999999999 1.68 AML other m 2022-01-25T22:00:04.09
IV.LMD.HHN. ML:1.1 0.00009385 1.74 AML other m 2022-01-25T22:00:04.95
IV.CRE.HHN. ML:1.4 0.00009820000000000002 1.78 AML other m 2022-01-25T22:00:10.03
IV.CRE.HHE. ML:0.9 0.00003335 0.2 AML other m 2022-01-25T22:00:10.49
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