Earthquake with magnitude of ML 0.8 on date 10-05-2022 and time 08:44:23 (Italy) in region 5 km S Impruneta (FI)

A magnitude ML 0.8 earthquake occured in region: 5 km S Impruneta (FI), on

  • 10-05-2022 06:44:23 (UTC)
  • 10-05-2022 08:44:23 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.6470, 11.2700 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
Impruneta FI 5 14615 14615
San Casciano in Val di Pesa FI 7 17062 31677
Greve in Chianti FI 8 13862 45539
Tavarnelle Val di Pesa FI 12 7800 53339
Bagno a Ripoli FI 12 25611 78950
Firenze FI 14 382808 461758
Barberino Val d'Elsa FI 14 4386 466144
Scandicci FI 14 50609 516753
Figline e Incisa Valdarno FI 15 23505 540258
Montespertoli FI 16 13537 553795
Rignano sull'Arno FI 17 8651 562446
Fiesole FI 18 13969 576415
Lastra a Signa FI 19 20156 596571
Castellina in Chianti SI 20 2859 599430
Radda in Chianti SI 20 1613 601043
Pontassieve FI 20 20603 621646

Municipalities with at least 50000 inhabitants

An earthquake occurred to
14 Km S of Firenze (382808 inhabitants)
14 Km SE of Scandicci (50609 inhabitants)
30 Km SE of Prato (191150 inhabitants)
37 Km N of Siena (53903 inhabitants)
43 Km SE of Pistoia (90315 inhabitants)
53 Km W of Arezzo (99543 inhabitants)
65 Km E of Lucca (89046 inhabitants)
70 Km E of Pisa (89158 inhabitants)
78 Km E of Livorno (159219 inhabitants)
85 Km E of Viareggio (62467 inhabitants)
86 Km SW of Imola (69797 inhabitants)
86 Km SW of Faenza (58541 inhabitants)
89 Km SW of Forlì (117913 inhabitants)
95 Km S of Bologna (386663 inhabitants)
95 Km SW of Cesena (96758 inhabitants)
99 Km N of Grosseto (82087 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 0.8 2022-05-10
06:44:23
43.6472 11.2697 10 2023-01-31
19:03:36
Bollettino Sismico Italiano INGV 109224741
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-05-10 06:44:23 ± 0.06
Latitude 43.6472 ± 0.0036
Longitude 11.2697 ± 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 109224741

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 477
Semi-minor axis of confidence ellipse (meter) 418
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 102
Circular confidence region, given by single value of horizontal uncertainty (meter) 480.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 101
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.29318
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 8
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 109224741
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-09-01 17:06:18
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IX.SCL3.EHZ.02 2022-05-10T06:46:18.81 3.0 undecidable manual Sn -3.23 0
1J.FX11.HHZ. 2022-05-10T06:46:15.65 3.0 negative manual Pg 17.07 0
IV.ISPIC.EHZ. 2022-05-10T06:46:12.62 3.0 undecidable manual Pn 0.1 0
1J.FX13.HHZ. 2022-05-10T06:46:01.59 3.0 negative manual Pn -0.03 0
1J.FX14.HHZ.00 2022-05-10T06:45:59.43 3.0 undecidable manual Pn -3.44 0
IV.PABO.HHZ. 2022-05-10T06:45:52.59 3.0 undecidable manual Sn 3.35 0
IV.LPEL.HHZ. 2022-05-10T06:45:43.36 3.0 undecidable manual Sn 1.7 0
IX.SCL3.EHZ.02 2022-05-10T06:45:27.41 3.0 negative manual Pn -2.32 0
IV.FIAM.HHZ. 2022-05-10T06:45:25.86 3.0 undecidable manual Sn 1.95 0
IV.OFFI.HHZ. 2022-05-10T06:45:25.00 3.0 undecidable manual Sn 2.69 0
IV.VBKN.HHZ. 2022-05-10T06:45:22.35 3.0 positive manual Pn 1.44 0
IV.PABO.HHZ. 2022-05-10T06:45:17.43 3.0 negative manual Pg 6.13 0
IV.MSSA.HHZ. 2022-05-10T06:45:11.16 3.0 undecidable manual S -0.25 0
IV.LRP.EHZ. 2022-05-10T06:45:06.94 3.0 negative manual Pn 0.24 0
IV.BLLA.EHZ. 2022-05-10T06:44:41.94 3.0 positive manual P -0.06 0
IV.BOSL.HHZ. 2022-05-10T06:44:34.99 0.6 undecidable manual S 15 32.5452 50 -0.14 46
IV.RUFI.EHZ. 2022-05-10T06:44:34.11 0.6 undecidable manual S 42 28.6491 50 0.04 47
IV.CRMI.HHZ. 2022-05-10T06:44:33.72 0.6 undecidable manual S 305 28.4493 50 -0.32 45
IV.BOSL.HHZ. 2022-05-10T06:44:30.36 0.1 undecidable manual P 15 32.5452 50 0.07 94
IV.CSNT.HHZ. 2022-05-10T06:44:30.88 0.6 undecidable manual S 175 19.3695 117 -0.32 46
IV.CRMI.HHZ. 2022-05-10T06:44:29.44 0.3 undecidable manual P 305 28.4493 50 -0.22 69
IV.OSSC.HHZ. 2022-05-10T06:44:29.52 0.6 undecidable manual S 188 13.875 125 -0.03 49
ZH.T1646.HNZ. 2022-05-10T06:44:29.60 0.6 undecidable manual S 276 12.9759 127 0.28 46
IV.RUFI.EHZ. 2022-05-10T06:44:29.87 0.1 undecidable manual P 42 28.6491 50 0.19 92
ZH.T1647.HNZ. 2022-05-10T06:44:27.57 0.6 undecidable manual S 143 5.5944 150 -0.01 50
IV.OSSC.HHZ. 2022-05-10T06:44:27.17 0.1 positive manual P 188 13.875 125 0.1 96
ZH.T1646.HNZ. 2022-05-10T06:44:27.11 0.1 undecidable manual P 276 12.9759 127 0.18 95
IV.CSNT.HHZ. 2022-05-10T06:44:27.99 0.1 positive manual P 175 19.3695 117 -0.03 97
ZH.T1647.HNZ. 2022-05-10T06:44:26.07 0.1 undecidable manual P 143 5.5944 150 0.14 97
ZH.T1648.HNZ. 2022-05-10T06:44:26.80 0.3 undecidable manual S 27 2.2977 167 -0.35 70
ZH.T1648.HNZ. 2022-05-10T06:44:25.69 0.1 undecidable manual P 27 2.2977 167 0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.OSSC.HHE. ML:1.3 0.0002165 0.3 AML other m 2022-05-10T06:44:29.76
IV.OSSC.HHN. ML:1.1 0.0001285 1.1 AML other m 2022-05-10T06:44:30.81
IV.CSNT.HHN. ML:0.9 0.00006175 0.78 AML other m 2022-05-10T06:44:32.15
IV.CSNT.HHE. ML:1.0 0.00007125000000000001 0.28 AML other m 2022-05-10T06:44:33.34
IV.CRMI.HHE. ML:0.5 0.0000132 1.46 AML other m 2022-05-10T06:44:35.04
IV.CRMI.HHN. ML:0.7 0.0000263 0.66 AML other m 2022-05-10T06:44:35.29
IV.BOSL.HHN. ML:0.7 0.000022100000000000002 0.2 AML other m 2022-05-10T06:44:35.64
IV.BOSL.HHE. ML:0.8 0.0000251 0.24 AML other m 2022-05-10T06:44:35.72
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