Earthquake with magnitude of ML 0.8 on date 14-04-2022 and time 08:21:31 (UTC) in region 5 km N Santa Maria a Monte (PI)

A magnitude ML 0.8 earthquake occured in region: 5 km N Santa Maria a Monte (PI), on

  • 14-04-2022 08:21:31 (UTC)
  • 14-04-2022 10:21:31 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.7420, 10.7040 at 11 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
Santa Maria a Monte PI 5 13253 13253
Castelfranco di Sotto PI 6 13427 26680
Santa Croce sull'Arno PI 7 14601 41281
Bientina PI 8 8062 49343
Altopascio LU 9 15481 64824
Fucecchio FI 9 23618 88442
Montopoli in Val d'Arno PI 9 11148 99590
Buti PI 10 5791 105381
Calcinaia PI 10 12439 117820
Pontedera PI 10 29223 147043
Vicopisano PI 11 8559 155602
Chiesina Uzzanese PT 11 4552 160154
Ponte Buggianese PT 12 8804 168958
Montecarlo LU 12 4428 173386
Porcari LU 13 8845 182231
San Miniato PI 14 27934 210165
Cerreto Guidi FI 14 10870 221035
Cascina PI 14 45257 266292
Ponsacco PI 15 15611 281903
Calci PI 15 6426 288329
Buggiano PT 16 8825 297154
Uzzano PT 16 5770 302924
Capannori LU 16 46252 349176
Palaia PI 16 4612 353788
Larciano PT 17 6394 360182
Montecatini-Terme PT 17 20409 380591
Monsummano Terme PT 17 21338 401929
Pieve a Nievole PT 17 9266 411195
Lamporecchio PT 18 7508 418703
Capannoli PI 18 6381 425084
Pescia PT 18 19644 444728
Vinci FI 19 14604 459332
Massa e Cozzile PT 19 7983 467315
Empoli FI 20 48109 515424
Lucca LU 20 89046 604470

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km SE of Lucca (89046 inhabitants)
25 Km E of Pisa (89158 inhabitants)
27 Km SW of Pistoia (90315 inhabitants)
35 Km W of Prato (191150 inhabitants)
38 Km NE of Livorno (159219 inhabitants)
38 Km W of Scandicci (50609 inhabitants)
39 Km E of Viareggio (62467 inhabitants)
45 Km W of Firenze (382808 inhabitants)
56 Km SE of Massa (69479 inhabitants)
61 Km SE of Carrara (63133 inhabitants)
69 Km NW of Siena (53903 inhabitants)
81 Km SE of La Spezia (93959 inhabitants)
98 Km SW of Bologna (386663 inhabitants)
100 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
Reviewed
Rev100
ML 0.8 2022-04-14
08:21:31
43.7423 10.7045 11 2022-04-14
08:32:45
Sala Sismica INGV-Roma 103190821
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-04-14 08:21:31 ± 0.19
Latitude 43.7423 ± 0.0135
Longitude 10.7045 ± 0.0124
Depth (km) 11 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 103190821

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1530
Semi-minor axis of confidence ellipse (meter) 1040
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 352
Circular confidence region, given by single value of horizontal uncertainty (meter) 1530.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 109
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.44
Epicentral distance of station closest to the epicenter (degree) 0.13130
Epicentral distance of station farthest from the epicenter (degree) 0.47035
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.3
Num. used stations 4
Type of magnitude ML
Reference to an origin 103190821
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-04-14 08:32:45
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CRMI.HHZ. 2022-04-14T08:21:40.14 0.3 undecidable manual S 75 22.755 50 -0.24 70
IV.MAGO.CHZ. 2022-04-14T08:21:40.68 0.1 undecidable manual P 184 52.2033 50 -0.58 82
GU.MAIM.HHZ. 2022-04-14T08:21:40.37 0.1 undecidable manual S 318 25.4523 50 -0.72 81
IV.PII.HHZ. 2022-04-14T08:21:38.04 0.1 undecidable manual S 261 14.5743 126 0.01 100
GU.POPM.HHZ. 2022-04-14T08:21:38.53 0.1 undecidable manual P 7 33.8439 50 0.09 95
IV.BDI.HHZ. 2022-04-14T08:21:38.92 0.1 undecidable manual P 346 36.6411 50 0.06 95
IV.CRMI.HHZ. 2022-04-14T08:21:37.06 0.1 undecidable manual P 75 22.755 50 0.32 92
GU.MAIM.HHZ. 2022-04-14T08:21:37.46 0.1 undecidable manual P 318 25.4523 50 0.31 92
IV.PII.HHZ. 2022-04-14T08:21:35.93 0.1 undecidable manual P 261 14.5743 126 0.55 88
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PII.HHN. ML:1.0 0.00008424999999999999 0.32 AML other m 2022-04-14T08:21:38.26
IV.PII.HHE. ML:1.0 0.00009615 1 AML other m 2022-04-14T08:21:38.10
GU.MAIM.HHE. ML:0.6 0.000019898474999999998 0.8576 AML other m 2022-04-14T08:21:40.42
GU.MAIM.HHN. ML:0.6 0.0000221204 1.3632 AML other m 2022-04-14T08:21:41.10
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