Earthquake with magnitude of ML 2.0 on date 05-10-2021 and time 11:39:39 (Italy) in region 2 km NE Lajatico (PI)

A magnitude ML 2.0 earthquake occured in region: 2 km NE Lajatico (PI), on

  • 05-10-2021 09:39:39 (UTC)
  • 05-10-2021 11:39:39 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.4930, 10.7420 at 13 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
Lajatico PI 2 1336 1336
Peccioli PI 6 4807 6143
Terricciola PI 6 4627 10770
Chianni PI 8 1392 12162
Casciana Terme Lari PI 11 12529 24691
Montecatini Val di Cecina PI 11 1749 26440
Capannoli PI 11 6381 32821
Palaia PI 13 4612 37433
Volterra PI 14 10519 47952
Santa Luce PI 14 1684 49636
Montaione FI 15 3700 53336
Castellina Marittima PI 16 2025 55361
Ponsacco PI 17 15611 70972
Crespina Lorenzana PI 17 5457 76429
Gambassi Terme FI 18 4870 81299
Riparbella PI 18 1603 82902
Orciano Pisano PI 19 647 83549
Montopoli in Val d'Arno PI 20 11148 94697
Fauglia PI 20 3682 98379

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km E of Livorno (159219 inhabitants)
37 Km SE of Pisa (89158 inhabitants)
44 Km SE of Lucca (89046 inhabitants)
46 Km SW of Scandicci (50609 inhabitants)
51 Km S of Pistoia (90315 inhabitants)
52 Km W of Siena (53903 inhabitants)
52 Km SW of Firenze (382808 inhabitants)
52 Km SW of Prato (191150 inhabitants)
57 Km SE of Viareggio (62467 inhabitants)
77 Km SE of Massa (69479 inhabitants)
83 Km SE of Carrara (63133 inhabitants)
87 Km NW of Grosseto (82087 inhabitants)
92 Km W of Arezzo (99543 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 2.0 2021-10-05
09:39:39
43.493 10.7417 13 2022-03-30
13:04:33
Bollettino Sismico Italiano INGV 100462671
Reviewed
Rev100
ML 2.0 2021-10-05
09:39:39
43.5008 10.7678 1 2021-10-05
09:53:04
Sala Sismica INGV-Roma 96252351
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-10-05 09:39:39 ± 0.11
Latitude 43.4930 ± 0.0036
Longitude 10.7417 ± 0.0074
Depth (km) 13 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 100462671

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 570
Semi-minor axis of confidence ellipse (meter) 77
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 71
Circular confidence region, given by single value of horizontal uncertainty (meter) 570.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 131
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.22753
Epicentral distance of station farthest from the epicenter (degree) 0.88493
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:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 28
Type of magnitude ML
Reference to an origin 100462671
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-02-16 10:06:05

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 28
Type of magnitude ML
Reference to an origin 96252351
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-10-05 09:53:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CRE.HHZ. 2021-10-05T09:39:57.17 1.0 undecidable manual P 81 98.2239 91 0.73 0
GU.GSCL.HHZ. 2021-10-05T09:39:56.92 0.6 undecidable manual P 353 95.9262 91 0.84 0
IV.SEI.HHZ. 2021-10-05T09:39:54.61 0.3 undecidable manual P 38 79.4649 92 1.06 0
IV.FROS.CHZ. 2021-10-05T09:39:54.93 0.6 undecidable manual S 133 45.9207 93 0.33 43
IV.CASP.HHZ. 2021-10-05T09:39:54.66 0.3 undecidable manual P 173 78.5658 92 1.25 0
IV.CSNT.HHZ. 2021-10-05T09:39:53.72 0.3 undecidable manual S 93 44.2224 93 -0.43 64
IV.OSSC.HHZ. 2021-10-05T09:39:53.00 0.3 undecidable manual S 85 40.7259 94 -0.22 71
IV.TRIF.CHZ. 2021-10-05T09:39:53.58 0.6 undecidable manual S 163 43.9227 94 -0.5 42
IV.MOCL.EHZ. 2021-10-05T09:39:52.13 0.3 undecidable manual P 32 66.7776 92 0.53 2
IV.CRMI.HHZ. 2021-10-05T09:39:52.58 0.3 undecidable manual S 30 38.628 94 -0.09 74
IV.BOSL.HHZ. 2021-10-05T09:39:52.94 0.3 undecidable manual P 46 70.2741 92 0.81 0
IV.BDI.HHZ. 2021-10-05T09:39:51.84 0.3 undecidable manual P 350 64.2912 92 0.63 6
GU.POPM.HHZ. 2021-10-05T09:39:51.32 0.3 undecidable manual P 1 61.2942 92 0.58 13
IV.PII.HHZ. 2021-10-05T09:39:50.14 0.3 undecidable manual S 326 30.747 96 -0.44 70
GU.MAIM.HHZ. 2021-10-05T09:39:49.34 0.3 undecidable manual P 337 50.7159 93 0.22 52
IV.MAGO.CHZ. 2021-10-05T09:39:48.88 0.3 undecidable manual S 195 25.2525 99 -0.25 71
IV.CSNT.HHZ. 2021-10-05T09:39:48.12 0.1 undecidable manual P 93 44.2224 93 0 94
IV.FROS.CHZ. 2021-10-05T09:39:48.71 0.3 undecidable manual P 133 45.9207 93 0.33 63
IV.TRIF.CHZ. 2021-10-05T09:39:48.23 0.3 undecidable manual P 163 43.9227 94 0.16 70
IV.OSSC.HHZ. 2021-10-05T09:39:47.67 0.1 undecidable manual P 85 40.7259 94 0.09 99
IV.CRMI.HHZ. 2021-10-05T09:39:47.47 0.1 undecidable manual P 30 38.628 94 0.21 96
IV.PII.HHZ. 2021-10-05T09:39:46.03 0.1 undecidable manual P 326 30.747 96 -0.03 100
IV.MAGO.CHZ. 2021-10-05T09:39:45.40 0.1 undecidable manual P 195 25.2525 99 0.18 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MAGO.CHE. ML:2.0 0.0005722063 0.1536 AML other m 2021-10-05T09:39:49.31
IV.PII.HHE. ML:2.2 0.000662 0.2 AML other m 2021-10-05T09:39:51.49
IV.PII.HHN. ML:2.1 0.0005815 0.18 AML other m 2021-10-05T09:39:52.91
IV.MAGO.CHN. ML:2.3 0.0011855 1.7 AML other m 2021-10-05T09:39:53.02
IV.CRMI.HHN. ML:2.2 0.0005675 0.28 AML other m 2021-10-05T09:39:53.03
IV.CRMI.HHE. ML:1.8 0.00022700000000000002 0.58 AML other m 2021-10-05T09:39:53.42
IV.OSSC.HHE. ML:1.9 0.00026949999999999994 0.5 AML other m 2021-10-05T09:39:53.38
IV.OSSC.HHN. ML:2.0 0.0003195 0.56 AML other m 2021-10-05T09:39:54.41
IV.CSNT.HHE. ML:1.9 0.00024249999999999999 0.42 AML other m 2021-10-05T09:39:54.18
IV.CSNT.HHN. ML:2.0 0.000309 0.58 AML other m 2021-10-05T09:39:54.11
IV.FROS.CHN. ML:2.0 0.000312 0.56 AML other m 2021-10-05T09:39:55.97
GU.MAIM.HHE. ML:1.4 0.000064586555 0.1216 AML other m 2021-10-05T09:39:56.02
GU.MAIM.HHN. ML:1.5 0.00008695734499999999 0.1408 AML other m 2021-10-05T09:39:57.30
IV.TRIF.CHN. ML:2.0 0.0003345 0.76 AML other m 2021-10-05T09:39:58.59
IV.FROS.CHE. ML:2.1 0.0003375 0.9 AML other m 2021-10-05T09:39:59.50
IV.TRIF.CHE. ML:1.8 0.00020999999999999998 0.7 AML other m 2021-10-05T09:40:00.70
GU.POPM.HHN. ML:2.1 0.0002755 0.18 AML other m 2021-10-05T09:40:00.75
GU.POPM.HHE. ML:2.1 0.0002295 0.52 AML other m 2021-10-05T09:40:01.45
IV.MOCL.EHN. ML:1.9 0.00013335 0.44 AML other m 2021-10-05T09:40:02.30
IV.BDI.HHN. ML:1.9 0.0001351 0.32 AML other m 2021-10-05T09:40:03.60
IV.BOSL.HHN. ML:2.0 0.00017199999999999998 0.46 AML other m 2021-10-05T09:40:05.35
IV.MOCL.EHE. ML:1.8 0.00012719999999999997 0.94 AML other m 2021-10-05T09:40:05.33
IV.BOSL.HHE. ML:1.9 0.00014050000000000003 0.28 AML other m 2021-10-05T09:40:05.55
IV.BDI.HHE. ML:1.9 0.000139 1.08 AML other m 2021-10-05T09:40:05.85
IV.SEI.HHE. ML:2.2 0.00021100000000000003 0.46 AML other m 2021-10-05T09:40:07.94
IV.SEI.HHN. ML:2.5 0.00041749999999999996 0.38 AML other m 2021-10-05T09:40:08.46
IV.CASP.HHE. ML:1.8 0.00009719999999999999 0.6 AML other m 2021-10-05T09:40:10.66
IV.CASP.HHN. ML:2.1 0.00017749999999999998 0.38 AML other m 2021-10-05T09:40:10.76
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
Waveforms Seismic signals in miniseed + resp format Download