Earthquake with magnitude of ML 0.8 on date 17-08-2024 and time 05:23:01 (UTC) in region 3 km NW Bolano (SP)

A magnitude ML 0.8 earthquake occured in region: 3 km NW Bolano (SP), on

  • 17-08-2024 05:23:01 (UTC)
  • 17-08-2024 07:23:01 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.2120, 9.8720 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
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
Tresana MS 7 2044 28872
Vezzano Ligure SP 8 7356 36228
Aulla MS 8 11263 47491
Beverino SP 8 2429 49920
Rocchetta di Vara SP 10 703 50623
Riccò del Golfo di Spezia SP 11 3698 54321
Villafranca in Lunigiana MS 11 4770 59091
Arcola SP 11 10607 69698
La Spezia SP 12 93959 163657
Brugnato SP 12 1270 164927
Borghetto di Vara SP 12 938 165865
Pignone SP 12 565 166430
Zignago SP 12 532 166962
Mulazzo MS 13 2424 169386
Sarzana SP 13 21976 191362
Filattiera MS 14 2309 193671
Fosdinovo MS 15 4883 198554
Licciana Nardi MS 15 4949 203503
Bagnone MS 15 1887 205390
Lerici SP 15 10228 215618
Riomaggiore SP 16 1576 217194
Vernazza SP 17 848 218042
Castelnuovo Magra SP 17 8415 226457
Carrodano SP 17 503 226960
Portovenere SP 18 3630 230590
Ameglia SP 18 4365 234955
Zeri MS 18 1094 236049
Sesta Godano SP 18 1377 237426
Pontremoli MS 19 7357 244783
Monterosso al Mare SP 19 1464 246247
Ortonovo SP 20 8277 254524

Municipalities with at least 50000 inhabitants

An earthquake occurred to
12 Km N of La Spezia (93959 inhabitants)
23 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)
75 Km SW of Parma (192836 inhabitants)
78 Km E of Genova (586655 inhabitants)
81 Km SW of Reggio nell'Emilia (171345 inhabitants)
81 Km NW of Livorno (159219 inhabitants)
89 Km W of Pistoia (90315 inhabitants)
95 Km S of Piacenza (102191 inhabitants)
97 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
Reviewed
Rev100
ML 0.8 2024-08-17
05:23:01
44.212 9.8717 11 2024-08-17
05:37:34
Sala Sismica INGV-Roma 130752931
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-08-17 05:23:01 ± 0.19
Latitude 44.2120 ± 0.0135
Longitude 9.8717 ± 0.0100
Depth (km) 11 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 130752931

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1442
Semi-minor axis of confidence ellipse (meter) 804
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 184
Circular confidence region, given by single value of horizontal uncertainty (meter) 1440.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 107
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.43
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.57197
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 7
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.3
Num. used stations 7
Type of magnitude ML
Reference to an origin 130752931
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-08-17 05:37:34
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CAFI.HHZ. 2024-08-17T05:23:56.15 3.0 undecidable manual Sg 0.24 0
GU.IMI.HHZ. 2024-08-17T05:23:39.59 3.0 undecidable manual Sn -0.5 0
IV.OSSC.HHZ. 2024-08-17T05:23:35.48 3.0 undecidable manual Sn -6.96 0
GU.GORR.HHE. 2024-08-17T05:23:20.09 0.3 undecidable manual S 314 63.492 50 -0.92 52
GU.SARM.EHE. 2024-08-17T05:23:15.32 0.3 undecidable manual S 94 42.2244 50 -0.01 71
MN.VLC.HHZ. 2024-08-17T05:23:14.93 0.3 undecidable manual S 98 41.3253 50 -0.18 68
GU.GRAM.HHZ. 2024-08-17T05:23:13.10 0.3 undecidable manual S 26 34.4433 50 -0.17 72
GU.GORR.HHE. 2024-08-17T05:23:12.16 0.3 undecidable manual P 314 63.492 50 -0.61 61
IV.MSSA.HHZ. 2024-08-17T05:23:12.47 0.3 undecidable manual S 292 30.4473 50 0.28 72
GU.EQUI.HHZ. 2024-08-17T05:23:10.31 0.3 undecidable manual S 103 22.9548 50 0.12 70
MN.VLC.HHZ. 2024-08-17T05:23:09.40 0.3 undecidable manual P 98 41.3253 50 0.04 72
GU.SARM.EHE. 2024-08-17T05:23:09.73 0.3 undecidable manual P 94 42.2244 50 0.24 69
IV.MSSA.HHZ. 2024-08-17T05:23:08.87 0.1 undecidable manual P 292 30.4473 50 1.19 67
GU.GRAM.HHZ. 2024-08-17T05:23:08.34 0.1 undecidable manual P 26 34.4433 50 0.04 95
IV.PLMA.HHZ. 2024-08-17T05:23:08.36 0.3 undecidable manual S 185 18.0708 121 -0.43 70
GU.EQUI.HHZ. 2024-08-17T05:23:06.77 0.1 undecidable manual P 103 22.9548 50 0.24 91
IV.PLMA.HHZ. 2024-08-17T05:23:05.66 0.1 undecidable manual P 185 18.0708 121 -0.06 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PLMA.HHE. ML:1.1 0.00010830903499999999 0.06 AML other m 2024-08-17T05:23:08.61
IV.PLMA.HHN. ML:1.0 0.00009048774500000001 0.08 AML other m 2024-08-17T05:23:08.58
GU.EQUI.HHN. ML:0.5 0.000022452534999999998 0.08 AML other m 2024-08-17T05:23:10.75
GU.GRAM.HHE. ML:0.9 0.000032986135 0.08 AML other m 2024-08-17T05:23:14.40
GU.GRAM.HHN. ML:1.0 0.00003868257 0.24 AML other m 2024-08-17T05:23:14.61
MN.VLC.HHE. ML:0.5 0.000009718609 0.12 AML other m 2024-08-17T05:23:15.76
MN.VLC.HHN. ML:0.7 0.00001343186 0.14 AML other m 2024-08-17T05:23:15.72
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