Earthquake with magnitude of ML 1.2 on date 03-09-2020 and time 08:14:05 (Italy) in region 2 km E Santo Stefano di Magra (SP)

A magnitude ML 1.2 earthquake occured in region: 2 km E Santo Stefano di Magra (SP), on

  • 03-09-2020 06:14:05 (UTC)
  • 03-09-2020 08:14:05 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.1610, 9.9450 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
Santo Stefano di Magra SP 2 9360 9360
Bolano SP 5 7813 17173
Podenzana MS 5 2180 19353
Vezzano Ligure SP 5 7356 26709
Sarzana SP 5 21976 48685
Aulla MS 6 11263 59948
Arcola SP 6 10607 70555
Follo SP 7 6337 76892
Fosdinovo MS 7 4883 81775
Tresana MS 9 2044 83819
Castelnuovo Magra SP 9 8415 92234
Lerici SP 10 10228 102462
Ameglia SP 11 4365 106827
La Spezia SP 11 93959 200786
Ortonovo SP 12 8277 209063
Calice al Cornoviglio SP 13 1138 210201
Licciana Nardi MS 14 4949 215150
Riccò del Golfo di Spezia SP 14 3698 218848
Portovenere SP 14 3630 222478
Beverino SP 15 2429 224907
Villafranca in Lunigiana MS 15 4770 229677
Carrara MS 15 63133 292810
Fivizzano MS 17 7925 300735
Pignone SP 18 565 301300
Bagnone MS 18 1887 303187
Riomaggiore SP 18 1576 304763
Rocchetta di Vara SP 18 703 305466
Mulazzo MS 18 2424 307890
Filattiera MS 19 2309 310199
Casola in Lunigiana MS 19 988 311187
Borghetto di Vara SP 19 938 312125
Brugnato SP 19 1270 313395

Municipalities with at least 50000 inhabitants

An earthquake occurred to
11 Km NE of La Spezia (93959 inhabitants)
15 Km NW of Carrara (63133 inhabitants)
21 Km NW of Massa (69479 inhabitants)
41 Km NW of Viareggio (62467 inhabitants)
57 Km NW of Lucca (89046 inhabitants)
62 Km NW of Pisa (89158 inhabitants)
74 Km NW of Livorno (159219 inhabitants)
78 Km SW of Parma (192836 inhabitants)
81 Km SW of Reggio nell'Emilia (171345 inhabitants)
82 Km W of Pistoia (90315 inhabitants)
85 Km E of Genova (586655 inhabitants)
95 Km SW of Modena (184973 inhabitants)
97 Km W of Prato (191150 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 2020-09-03
06:14:05
44.1613 9.9453 10 2021-02-26
14:55:59
Bollettino Sismico Italiano INGV 83804511
Reviewed
Rev100
ML 1.7 2020-09-03
06:14:05
44.1658 9.9462 9 2020-09-03
06:27:55
Sala Sismica INGV-Roma 82582031
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-09-03 06:14:05 ± 0.12
Latitude 44.1613 ± 0.0081
Longitude 9.9453 ± 0.0075
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 83804511

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 825
Semi-minor axis of confidence ellipse (meter) 588
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 183
Circular confidence region, given by single value of horizontal uncertainty (meter) 820.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 83
Number of associated phases, regardless of their use for origin computation 40
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.38
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.77522
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 83804511
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-12-10 10:06:32

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 82582031
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-09-03 06:27:55
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SGG.HHZ. 2020-09-03T06:16:00.91 3.0 undecidable manual Sn -5.79 0
IV.MFNL.HHZ. 2020-09-03T06:15:58.76 3.0 negative manual Pg 11.37 0
IV.CRJA.HHZ. 2020-09-03T06:15:50.99 3.0 negative manual Pn 3.44 0
IV.VVLD.HHZ. 2020-09-03T06:15:48.92 3.0 undecidable manual Sn 0.43 0
IV.MF5.EHZ. 2020-09-03T06:15:31.09 3.0 undecidable manual Sn 0.19 0
IV.CMPR.HHZ. 2020-09-03T06:15:29.82 3.0 undecidable manual Pn -1.25 0
IV.COR1.EHZ. 2020-09-03T06:15:25.47 3.0 undecidable manual Sg 7.72 0
IT.LRNO.HNZ. 2020-09-03T06:15:21.63 3.0 undecidable manual Pg 6.75 0
IV.PESA.HHZ. 2020-09-03T06:15:18.42 3.0 undecidable manual Sg 4.89 0
IV.APEC.HHZ. 2020-09-03T06:15:10.68 3.0 undecidable manual Sg 2.27 0
IV.BRSN.EHZ. 2020-09-03T06:15:00.30 3.0 undecidable manual Sg 0.51 0
TV.SF01.EHZ. 2020-09-03T06:14:59.53 3.0 undecidable manual Sn -6.06 0
IV.SENI.EHZ. 2020-09-03T06:14:54.04 3.0 negative manual Pg 5.53 0
IV.CADC.HNZ. 2020-09-03T06:14:50.42 3.0 undecidable manual S -1.09 0
IV.FIU.EHZ. 2020-09-03T06:14:48.56 3.0 undecidable manual S -2.79 0
GU.RNCA.HHZ. 2020-09-03T06:14:30.75 0.6 undecidable manual S 294 86.0472 50 -0.85 36
IV.PII.HHZ. 2020-09-03T06:14:27.74 0.6 undecidable manual S 136 67.1772 50 1.16 32
GU.POPM.HHZ. 2020-09-03T06:14:26.41 0.6 undecidable manual S 101 65.8896 50 0.18 46
GU.GORR.HHN. 2020-09-03T06:14:26.62 0.6 undecidable manual S 314 71.5728 50 -1.12 32
GU.RNCA.HHZ. 2020-09-03T06:14:21.02 0.3 undecidable manual P 294 86.0472 50 0.28 64
GU.MAIM.HHZ. 2020-09-03T06:14:21.13 0.6 undecidable manual S 122 51.5151 50 -1.24 32
IV.BOB.HNE. 2020-09-03T06:14:20.16 0.3 undecidable manual P 330 77.9664 50 0.67 58
GU.CARD.HHZ. 2020-09-03T06:14:20.08 0.6 undecidable manual S 109 45.3213 50 -0.65 42
IV.PII.HHZ. 2020-09-03T06:14:18.40 0.6 undecidable manual P 136 67.1772 50 0.57 41
GU.SARM.EHE. 2020-09-03T06:14:18.02 0.6 undecidable manual S 86 36.3414 50 -0.3 47
GU.GORR.HHN. 2020-09-03T06:14:18.33 0.3 undecidable manual P 314 71.5728 50 -0.17 68
GU.GRAM.HHZ. 2020-09-03T06:14:18.61 0.6 undecidable manual S 15 37.8288 50 -0.12 49
GU.POPM.HHZ. 2020-09-03T06:14:17.87 0.3 undecidable manual P 101 65.8896 50 0.23 68
MN.VLC.HHZ. 2020-09-03T06:14:17.53 0.6 undecidable manual S 90 35.1426 50 -0.47 45
GU.MAIM.HHZ. 2020-09-03T06:14:15.79 0.3 undecidable manual P 122 51.5151 50 0.38 67
GU.CARD.HHZ. 2020-09-03T06:14:14.47 0.1 undecidable manual P 109 45.3213 50 0.01 98
GU.GRAM.HHZ. 2020-09-03T06:14:13.45 0.1 positive manual P 15 37.8288 50 0.15 97
MN.VLC.HHZ. 2020-09-03T06:14:13.06 0.1 negative manual P 90 35.1426 50 0.18 97
GU.SARM.EHE. 2020-09-03T06:14:13.19 0.1 negative manual P 86 36.3414 50 0.12 97
GU.FIVI.HNZ. 2020-09-03T06:14:12.85 0.6 undecidable manual S 59 16.872 120 0.19 50
IV.PLMA.HHZ. 2020-09-03T06:14:11.63 0.1 undecidable manual S 211 14.3745 124 -0.3 97
GU.EQUI.HHE. 2020-09-03T06:14:11.98 0.1 undecidable manual S 88 16.5723 121 -0.58 90
GU.FIVI.HNZ. 2020-09-03T06:14:10.26 0.1 undecidable manual P 59 16.872 120 0.46 94
GU.EQUI.HHE. 2020-09-03T06:14:09.58 0.1 negative manual P 88 16.5723 121 -0.16 100
IV.PLMA.HHZ. 2020-09-03T06:14:09.57 0.1 negative manual P 211 14.3745 124 0.19 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PLMA.HHN. ML:2.1 0.00116 0.14 AML other m 2020-09-03T06:14:11.80
IV.PLMA.HHE. ML:1.8 0.0006955 0.14 AML other m 2020-09-03T06:14:11.80
MN.VLC.HHN. ML:0.7 0.000020645245 0.2016 AML other m 2020-09-03T06:14:17.92
MN.VLC.HHE. ML:1.0 0.00004080094500000001 0.6592 AML other m 2020-09-03T06:14:18.00
GU.GRAM.HHN. ML:1.4 0.000089225975 0.5632 AML other m 2020-09-03T06:14:18.68
GU.GRAM.HHE. ML:1.4 0.000086899745 0.8416 AML other m 2020-09-03T06:14:19.10
GU.POPM.HHN. ML:1.3 0.00003785652000000001 0.5216 AML other m 2020-09-03T06:14:26.83
GU.POPM.HHE. ML:1.3 0.000033201385 0.1024 AML other m 2020-09-03T06:14:27.20
GU.RNCA.HHN. ML:0.9 0.000008043275500000001 0.5792 AML other m 2020-09-03T06:14:31.11
GU.RNCA.HHE. ML:1.1 0.00001357243 0.5984 AML other m 2020-09-03T06:14:31.31
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