Earthquake with magnitude of ML 1.2 on date 14-02-2020 and time 21:15:37 (UTC) in region 8 km SW Pomarance (PI)

A magnitude ML 1.2 earthquake occured in region: 8 km SW Pomarance (PI), on

  • 14-02-2020 21:15:37 (UTC)
  • 14-02-2020 22:15:37 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.2480, 10.8020 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
Pomarance PI 8 5897 5897
Castelnuovo di Val di Cecina PI 10 2231 8128
Monteverdi Marittimo PI 10 758 8886
Monterotondo Marittimo GR 12 1371 10257
Guardistallo PI 15 1234 11491
Casale Marittimo PI 16 1122 12613
Montescudaio PI 17 2144 14757
Bibbona LI 17 3175 17932
Montecatini Val di Cecina PI 17 1749 19681
Volterra PI 18 10519 30200
Castagneto Carducci LI 18 9010 39210
Sassetta LI 18 514 39724
Radicondoli SI 20 914 40638

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km W of Siena (53903 inhabitants)
52 Km SE of Livorno (159219 inhabitants)
60 Km NW of Grosseto (82087 inhabitants)
61 Km SE of Pisa (89158 inhabitants)
65 Km SW of Scandicci (50609 inhabitants)
69 Km SW of Firenze (382808 inhabitants)
71 Km SE of Lucca (89046 inhabitants)
74 Km SW of Prato (191150 inhabitants)
77 Km S of Pistoia (90315 inhabitants)
82 Km SE of Viareggio (62467 inhabitants)
91 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 1.2 2020-02-14
21:15:37
43.2482 10.8015 10 2020-07-18
21:08:24
Bollettino Sismico Italiano INGV 77069221
Reviewed
Rev100
ML 1.6 2020-02-14
21:15:37
43.2467 10.8018 10 2020-02-14
21:22:47
Sala Sismica INGV-Roma 76525381
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-02-14 21:15:37 ± 0.11
Latitude 43.2482 ± 0.0090
Longitude 10.8015 ± 0.0148
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 77069221

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1294
Semi-minor axis of confidence ellipse (meter) 685
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 236
Circular confidence region, given by single value of horizontal uncertainty (meter) 1290.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 133
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.10702
Epicentral distance of station farthest from the epicenter (degree) 0.51441
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.4
Num. used stations 13
Type of magnitude ML
Reference to an origin 77069221
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-06-01 23:21:06

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 4
Type of magnitude ML
Reference to an origin 76525381
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-02-14 21:22:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSNT.HHZ. 2020-02-14T21:15:52.48 0.3 undecidable manual S 57 46.62 50 -0.44 66
IV.RIBO.EHZ.01 2020-02-14T21:15:50.74 0.3 undecidable manual S 149 38.628 50 -0.04 73
IV.PII.HHZ. 2020-02-14T21:15:48.40 0.3 undecidable manual P 337 57.0984 50 0.25 68
IV.FROS.CHZ. 2020-02-14T21:15:47.84 0.3 undecidable manual S 98 28.9488 50 -0.36 70
IV.CSNT.HHZ. 2020-02-14T21:15:46.73 0.1 undecidable manual P 57 46.62 50 0.19 93
IV.OSSC.HHZ. 2020-02-14T21:15:46.88 0.6 undecidable manual P 49 47.1195 50 0.28 46
IV.RIBO.EHZ.01 2020-02-14T21:15:45.16 0.3 undecidable manual P 149 38.628 50 -0.16 71
IV.TRIF.CHZ. 2020-02-14T21:15:44.52 0.3 undecidable manual S 151 16.872 121 -0.19 74
IV.FROS.CHZ. 2020-02-14T21:15:44.05 0.1 undecidable manual P 98 28.9488 50 0.23 95
IV.TRIF.CHZ. 2020-02-14T21:15:42.19 0.1 undecidable manual P 151 16.872 121 0.38 94
IV.MAGO.CHZ. 2020-02-14T21:15:42.77 0.3 undecidable manual S 284 11.877 131 -0.54 68
IV.MAGO.CHZ. 2020-02-14T21:15:41.13 0.1 undecidable manual P 284 11.877 131 0.14 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.OSSC.HHN. ML:1.0 0.000023719401499999996 46.8992 AML other m 2020-02-14T21:15:46.96
IV.OSSC.HHE. ML:0.7 0.0000162507815 46.2592 AML other m 2020-02-14T21:15:46.64
IV.MAGO.CHE. ML:2.0 0.0011013960000000001 0.0896 AML other m 2020-02-14T21:15:42.91
IV.MAGO.CHN. ML:1.8 0.0006814035000000001 0.0768 AML other m 2020-02-14T21:15:42.92
IV.TRIF.CHE. ML:1.4 0.0001895724 0.064 AML other m 2020-02-14T21:15:45.04
IV.TRIF.CHN. ML:1.4 0.0002350207 0.0896 AML other m 2020-02-14T21:15:45.34
IV.FROS.CHN. ML:0.7 0.000027262305000000005 0.2176 AML other m 2020-02-14T21:15:49.81
IV.OSSC.HNE. ML:1.6 0.00011818836499999999 0.7552 AML other m 2020-02-14T21:15:52.45
IV.RIBO.EHE.01 ML:1.2 0.0000481518 0.32 AML other m 2020-02-14T21:15:53.35
IV.FROS.CHE. ML:0.9 0.00004051837499999999 0.768 AML other m 2020-02-14T21:15:58.02
IV.OSSC.HNN. ML:1.7 0.00013368205 0.6656 AML other m 2020-02-14T21:16:00.25
IV.CSNT.HHN. ML:0.9 0.000026440334999999997 1.4336 AML other m 2020-02-14T21:16:02.48
IV.CSNT.HHE. ML:1.0 0.000029654793499999998 2.112 AML other m 2020-02-14T21:16:06.00
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