Earthquake with magnitude of ML 1.5 on date 09-12-2019 and time 07:51:42 (Italy) in region 3 km NW Bolano (SP)

A magnitude ML 1.5 earthquake occured in region: 3 km NW Bolano (SP), on

  • 09-12-2019 06:51:42 (UTC)
  • 09-12-2019 07:51:42 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.2070, 9.8620 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
Bolano SP 3 7813 7813
Calice al Cornoviglio SP 5 1138 8951
Follo SP 5 6337 15288
Podenzana MS 6 2180 17468
Santo Stefano di Magra SP 7 9360 26828
Vezzano Ligure SP 7 7356 34184
Beverino SP 8 2429 36613
Tresana MS 8 2044 38657
Aulla MS 9 11263 49920
Riccò del Golfo di Spezia SP 10 3698 53618
Rocchetta di Vara SP 10 703 54321
Arcola SP 11 10607 64928
Borghetto di Vara SP 11 938 65866
La Spezia SP 11 93959 159825
Brugnato SP 11 1270 161095
Pignone SP 11 565 161660
Villafranca in Lunigiana MS 12 4770 166430
Zignago SP 12 532 166962
Sarzana SP 13 21976 188938
Mulazzo MS 13 2424 191362
Fosdinovo MS 15 4883 196245
Lerici SP 15 10228 206473
Filattiera MS 15 2309 208782
Riomaggiore SP 15 1576 210358
Licciana Nardi MS 16 4949 215307
Bagnone MS 16 1887 217194
Vernazza SP 16 848 218042
Carrodano SP 17 503 218545
Portovenere SP 17 3630 222175
Castelnuovo Magra SP 17 8415 230590
Ameglia SP 17 4365 234955
Sesta Godano SP 18 1377 236332
Monterosso al Mare SP 18 1464 237796
Zeri MS 18 1094 238890
Pontremoli MS 19 7357 246247
Ortonovo SP 20 8277 254524

Municipalities with at least 50000 inhabitants

An earthquake occurred to
11 Km N of La Spezia (93959 inhabitants)
24 Km NW of Carrara (63133 inhabitants)
29 Km NW of Massa (69479 inhabitants)
49 Km NW of Viareggio (62467 inhabitants)
65 Km NW of Lucca (89046 inhabitants)
70 Km NW of Pisa (89158 inhabitants)
76 Km SW of Parma (192836 inhabitants)
77 Km E of Genova (586655 inhabitants)
81 Km NW of Livorno (159219 inhabitants)
82 Km SW of Reggio nell'Emilia (171345 inhabitants)
90 Km W of Pistoia (90315 inhabitants)
95 Km S of Piacenza (102191 inhabitants)
98 Km W of Modena (184973 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 1.5 2019-12-09
06:51:42
44.2072 9.8625 10 2020-02-28
16:42:26
Bollettino Sismico Italiano INGV 76605871
Reviewed
Rev100
ML 1.5 2019-12-09
06:51:42
44.2077 9.8565 10 2019-12-09
07:05:22
Sala Sismica INGV-Roma 74468911
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-12-09 06:51:42 ± 0.12
Latitude 44.2072 ± 0.0072
Longitude 9.8625 ± 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 76605871

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 762
Semi-minor axis of confidence ellipse (meter) 495
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 191
Circular confidence region, given by single value of horizontal uncertainty (meter) 760.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 112
Number of associated phases, regardless of their use for origin computation 33
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.67989
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 11
Type of magnitude ML
Reference to an origin 74468911
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-12-09 07:05:22

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 11
Type of magnitude ML
Reference to an origin 76605871
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-02-17 17:32:49
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
CR.STON.BHZ. 2019-12-09T06:53:18.88 3.0 undecidable manual Pn 8.94 0
MN.TRI.HHZ. 2019-12-09T06:53:16.63 3.0 undecidable manual Sn 4.86 0
IV.SAP2.EHZ. 2019-12-09T06:53:13.93 3.0 undecidable manual Sg 10.51 0
IV.RM33.HNZ. 2019-12-09T06:53:05.51 3.0 undecidable manual Sn -2.31 0
IV.MMUR.HNZ. 2019-12-09T06:52:56.39 3.0 undecidable manual Sn 2.81 0
SI.KOSI.HHZ. 2019-12-09T06:52:51.29 3.0 undecidable manual Sn -4.12 0
IV.RM33.HNZ. 2019-12-09T06:52:30.45 3.0 undecidable manual Pn 0.05 0
OX.CIMO.HHZ. 2019-12-09T06:52:28.28 3.0 negative manual Pn 0.8 0
IV.RUFI.EHZ. 2019-12-09T06:52:24.47 3.0 undecidable manual S -1 0
GU.SATI.HHZ. 2019-12-09T06:52:22.12 3.0 negative manual Pg 3.22 0
IV.SEI.HHZ. 2019-12-09T06:52:20.15 3.0 undecidable manual S -1.48 0
IV.PII.HHZ. 2019-12-09T06:52:05.53 0.6 undecidable manual S 135 75.4689 50 0.46 43
GU.POPM.HHZ. 2019-12-09T06:52:04.41 0.3 undecidable manual S 104 73.4709 50 -0.13 69
GU.GORR.HHE. 2019-12-09T06:52:01.27 0.3 undecidable manual S 315 63.2922 50 -0.56 64
GU.POPM.HHZ. 2019-12-09T06:51:55.68 0.3 undecidable manual P 104 73.4709 50 0.55 62
MN.VLC.HHZ. 2019-12-09T06:51:55.55 0.3 undecidable manual S 97 42.0246 50 -0.59 65
IV.PII.HHZ. 2019-12-09T06:51:55.69 0.6 undecidable manual P 135 75.4689 50 0.25 45
IV.BOB.HNE. 2019-12-09T06:51:55.18 0.3 undecidable manual P 332 70.2741 50 0.54 63
GU.SARM.EHN. 2019-12-09T06:51:55.81 0.6 undecidable manual S 93 42.9237 50 -0.56 44
GU.GRAM.HHZ. 2019-12-09T06:51:54.60 0.6 undecidable manual S 27 35.4423 50 0.22 48
GU.GORR.HHE. 2019-12-09T06:51:53.54 0.3 undecidable manual P 315 63.2922 50 -0.02 72
GU.CARD.HHZ. 2019-12-09T06:51:52.24 0.3 undecidable manual P 112 53.3022 50 0.22 70
IV.MSSA.HHZ. 2019-12-09T06:51:52.29 0.6 undecidable manual S 294 29.9478 50 -0.64 44
GU.SARM.EHN. 2019-12-09T06:51:50.59 0.1 undecidable manual P 93 42.9237 50 0.17 96
GU.FIVI.HNE. 2019-12-09T06:51:50.39 0.6 undecidable manual S 80 21.3675 115 -0.09 51
GU.EQUI.HHE. 2019-12-09T06:51:50.49 0.3 undecidable manual S 101 23.5542 113 -0.69 65
MN.VLC.HHZ. 2019-12-09T06:51:50.36 0.3 undecidable manual P 97 42.0246 50 0.08 74
IV.PLMA.HHZ. 2019-12-09T06:51:49.02 0.3 undecidable manual S 182 17.4714 120 -0.27 74
GU.GRAM.HHZ. 2019-12-09T06:51:49.56 0.3 undecidable manual P 27 35.4423 50 0.3 71
IV.MSSA.HHZ. 2019-12-09T06:51:48.34 0.3 undecidable manual P 294 29.9478 50 -0.08 75
GU.EQUI.HHE. 2019-12-09T06:51:47.44 0.3 undecidable manual P 101 23.5542 113 0.03 77
GU.FIVI.HNE. 2019-12-09T06:51:47.26 0.3 undecidable manual P 80 21.3675 115 0.25 74
IV.PLMA.HHZ. 2019-12-09T06:51:46.54 0.1 undecidable manual P 182 17.4714 120 0.22 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PLMA.HHE. ML:1.4 0.00022880900749999998 0.16 AML other m 2019-12-09T06:51:49.08
IV.PLMA.HHN. ML:1.4 0.00021049849999999997 0.0992 AML other m 2019-12-09T06:51:49.09
IV.MSSA.HHE. ML:1.5 0.00014102589999999998 0.6592 AML other m 2019-12-09T06:51:51.92
IV.MSSA.HHN. ML:1.3 0.0001062953435 0.2624 AML other m 2019-12-09T06:51:52.70
GU.GRAM.HHN. ML:1.4 0.0001105174 0.24 AML other m 2019-12-09T06:51:54.72
MN.VLC.HHN. ML:1.2 0.000053625220000000004 0.4608 AML other m 2019-12-09T06:51:55.36
GU.GRAM.HHE. ML:1.4 0.00009753697 0.16 AML other m 2019-12-09T06:51:56.48
IV.PII.HHN. ML:1.7 0.000075992465 0.2784 AML other m 2019-12-09T06:52:06.80
IV.PII.HHE. ML:1.8 0.000087422365 0.32 AML other m 2019-12-09T06:52:07.10
GU.POPM.HHN. ML:1.7 0.00008129537000000001 0.1792 AML other m 2019-12-09T06:52:07.28
GU.POPM.HHE. ML:1.7 0.000079156935 0.1376 AML other m 2019-12-09T06:52:07.51
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