Earthquake with magnitude of ML 1.3 on date 08-11-2022 and time 23:52:45 (UTC) in region 3 km NW Sarzana (SP)

A magnitude ML 1.3 earthquake occured in region: 3 km NW Sarzana (SP), on

  • 08-11-2022 23:52:45 (UTC)
  • 09-11-2022 00:52:45 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.1360, 9.9390 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
Sarzana SP 3 21976 21976
Arcola SP 3 10607 32583
Santo Stefano di Magra SP 4 9360 41943
Vezzano Ligure SP 4 7356 49299
Fosdinovo MS 7 4883 54182
Follo SP 7 6337 60519
Bolano SP 7 7813 68332
Lerici SP 7 10228 78560
Castelnuovo Magra SP 8 8415 86975
Ameglia SP 8 4365 91340
Podenzana MS 8 2180 93520
Aulla MS 9 11263 104783
La Spezia SP 9 93959 198742
Ortonovo SP 10 8277 207019
Tresana MS 12 2044 209063
Portovenere SP 12 3630 212693
Riccò del Golfo di Spezia SP 14 3698 216391
Carrara MS 14 63133 279524
Calice al Cornoviglio SP 14 1138 280662
Beverino SP 15 2429 283091
Riomaggiore SP 16 1576 284667
Licciana Nardi MS 17 4949 289616
Villafranca in Lunigiana MS 18 4770 294386
Pignone SP 18 565 294951
Fivizzano MS 19 7925 302876
Rocchetta di Vara SP 19 703 303579
Massa MS 20 69479 373058
Borghetto di Vara SP 20 938 373996

Municipalities with at least 50000 inhabitants

An earthquake occurred to
9 Km E of La Spezia (93959 inhabitants)
14 Km W of Carrara (63133 inhabitants)
20 Km NW of Massa (69479 inhabitants)
39 Km NW of Viareggio (62467 inhabitants)
56 Km NW of Lucca (89046 inhabitants)
60 Km NW of Pisa (89158 inhabitants)
71 Km NW of Livorno (159219 inhabitants)
80 Km SW of Parma (192836 inhabitants)
82 Km W of Pistoia (90315 inhabitants)
83 Km SW of Reggio nell'Emilia (171345 inhabitants)
86 Km E of Genova (586655 inhabitants)
97 Km W of Prato (191150 inhabitants)
97 Km SW 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 1.3 2022-11-08
23:52:45
44.1362 9.9388 10 2024-03-01
15:28:25
Bollettino Sismico Italiano INGV 117849681
Reviewed
Rev100
ML 1.3 2022-11-08
23:52:45
44.133 9.9475 9 2022-11-09
00:05:29
Sala Sismica INGV-Roma 111598261
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-11-08 23:52:45 ± 0.09
Latitude 44.1362 ± 0.0054
Longitude 9.9388 ± 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 117849681

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 685
Semi-minor axis of confidence ellipse (meter) 474
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 323
Circular confidence region, given by single value of horizontal uncertainty (meter) 680.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 101
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.10612
Epicentral distance of station farthest from the epicenter (degree) 0.65920
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 117849681
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-05-29 13:26:55

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 111598261
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-11-09 00:05:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.POPM.HHZ. 2022-11-08T23:53:06.23 0.6 undecidable manual S 99 65.9895 50 0.1 45
IV.BDI.HHZ. 2022-11-08T23:53:02.23 0.6 undecidable manual S 99 52.9026 50 -0.43 43
GU.GRAM.HHZ. 2022-11-08T23:52:59.53 0.6 undecidable manual S 14 40.5261 50 0.19 47
GU.CARD.HHZ. 2022-11-08T23:52:59.92 0.6 undecidable manual S 106 45.0216 50 -0.61 42
GU.GORR.HHN. 2022-11-08T23:52:58.34 0.3 undecidable manual P 316 73.1712 50 -0.28 65
IV.PII.HHZ. 2022-11-08T23:52:57.75 0.3 undecidable manual P 134 65.5899 50 0.29 66
MN.VLC.HHZ. 2022-11-08T23:52:57.46 0.6 undecidable manual S 86 35.742 50 -0.6 42
GU.POPM.HHZ. 2022-11-08T23:52:57.78 0.3 undecidable manual P 99 65.9895 50 0.27 66
IV.BDI.HHZ. 2022-11-08T23:52:55.66 0.3 undecidable manual P 99 52.9026 50 0.15 69
GU.MAIM.HHZ. 2022-11-08T23:52:55.52 0.3 undecidable manual P 119 50.616 50 0.38 66
GU.CARD.HHZ. 2022-11-08T23:52:54.41 0.3 undecidable manual P 106 45.0216 50 0.13 70
GU.GRAM.HHZ. 2022-11-08T23:52:53.51 0.1 undecidable manual P 14 40.5261 50 -0.09 95
MN.VLC.HHZ. 2022-11-08T23:52:52.92 0.1 undecidable manual P 86 35.742 50 0.07 97
GU.FIVI.HNE. 2022-11-08T23:52:52.86 0.6 undecidable manual S 53 18.87 117 -0.23 48
GU.EQUI.HHZ. 2022-11-08T23:52:52.45 0.6 undecidable manual S 79 17.3715 119 -0.18 49
IV.PLMA.HHZ. 2022-11-08T23:52:50.64 0.3 undecidable manual S 215 11.7771 129 -0.37 71
GU.FIVI.HNE. 2022-11-08T23:52:50.18 0.3 undecidable manual P 53 18.87 117 0.2 73
GU.EQUI.HHZ. 2022-11-08T23:52:49.90 0.1 undecidable manual P 79 17.3715 119 0.18 98
IV.PLMA.HHZ. 2022-11-08T23:52:48.89 0.1 undecidable manual P 215 11.7771 129 0.11 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PLMA.HHN. ML:1.8 0.0008295 0.14 AML other m 2022-11-08T23:52:50.75
IV.PLMA.HHE. ML:1.6 0.0004205 0.14 AML other m 2022-11-08T23:52:50.82
GU.EQUI.HHE. ML:1.1 0.0001026 0.08 AML other m 2022-11-08T23:52:52.95
GU.EQUI.HHN. ML:1.0 0.0000911 1.68 AML other m 2022-11-08T23:52:53.02
GU.CARD.HHE. ML:1.4 0.00007575 1.06 AML other m 2022-11-08T23:53:00.04
GU.CARD.HHN. ML:1.3 0.00005525 1.34 AML other m 2022-11-08T23:53:00.94
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