Earthquake with magnitude of ML 1.4 on date 30-08-2021 and time 12:40:53 (Italy) in region 1 km NE Bagnone (MS)

A magnitude ML 1.4 earthquake occured in region: 1 km NE Bagnone (MS), on

  • 30-08-2021 10:40:53 (UTC)
  • 30-08-2021 12:40:53 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.3200, 10.0010 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
Bagnone MS 1 1887 1887
Villafranca in Lunigiana MS 5 4770 6657
Filattiera MS 5 2309 8966
Licciana Nardi MS 7 4949 13915
Mulazzo MS 7 2424 16339
Tresana MS 10 2044 18383
Comano MS 11 714 19097
Pontremoli MS 11 7357 26454
Aulla MS 13 11263 37717
Fivizzano MS 13 7925 45642
Podenzana MS 13 2180 47822
Monchio delle Corti PR 14 933 48755
Calice al Cornoviglio SP 16 1138 49893
Bolano SP 17 7813 57706
Santo Stefano di Magra SP 19 9360 67066
Corniglio PR 19 1936 69002
Zeri MS 19 1094 70096
Casola in Lunigiana MS 19 988 71084
Palanzano PR 20 1142 72226

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km NE of La Spezia (93959 inhabitants)
28 Km N of Carrara (63133 inhabitants)
33 Km NW of Massa (69479 inhabitants)
54 Km NW of Viareggio (62467 inhabitants)
60 Km SW of Parma (192836 inhabitants)
65 Km SW of Reggio nell'Emilia (171345 inhabitants)
66 Km NW of Lucca (89046 inhabitants)
74 Km NW of Pisa (89158 inhabitants)
82 Km W of Modena (184973 inhabitants)
85 Km NW of Pistoia (90315 inhabitants)
85 Km SE of Piacenza (102191 inhabitants)
86 Km E of Genova (586655 inhabitants)
87 Km SW of Carpi (70699 inhabitants)
89 Km N of Livorno (159219 inhabitants)
91 Km S of Cremona (71901 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 1.4 2021-08-30
10:40:53
44.3203 10.0013 10 2021-12-29
11:12:29
Bollettino Sismico Italiano INGV 95261941
Reviewed
Rev100
ML 1.4 2021-08-30
10:40:53
44.3227 9.9932 11 2021-08-30
10:50:03
Sala Sismica INGV-Roma 94815001
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-08-30 10:40:53 ± 0.09
Latitude 44.3203 ± 0.0045
Longitude 10.0013 ± 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 95261941

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 544
Semi-minor axis of confidence ellipse (meter) 469
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 62
Circular confidence region, given by single value of horizontal uncertainty (meter) 540.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 75
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.12141
Epicentral distance of station farthest from the epicenter (degree) 0.58096
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.4
Num. used stations 8
Type of magnitude ML
Reference to an origin 94815001
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-08-30 10:50:03

ML:1.4

Field Value
Value 1.4
Uncertainty 0.4
Num. used stations 8
Type of magnitude ML
Reference to an origin 95261941
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-12-16 20:32:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.GSCL.HHZ. 2021-08-30T10:41:09.08 0.6 undecidable manual S 86 46.7199 50 0.22 46
IV.MSSA.HHZ. 2021-08-30T10:41:06.80 0.1 undecidable manual S 269 38.4282 50 0.15 95
GU.SARM.EHE. 2021-08-30T10:41:05.62 0.3 undecidable manual S 115 35.1426 50 -0.16 71
GU.GORR.HHN. 2021-08-30T10:41:04.95 0.3 undecidable manual P 300 64.491 50 -0.25 66
IV.PLMA.HHZ. 2021-08-30T10:41:04.33 0.3 undecidable manual S 201 32.2455 50 -0.67 62
GU.GSCL.HHZ. 2021-08-30T10:41:02.75 0.3 undecidable manual P 86 46.7199 50 0.3 68
GU.GRAM.HHZ. 2021-08-30T10:41:01.04 0.1 undecidable manual S 15 19.5693 117 -0.28 95
GU.EQUI.HHZ. 2021-08-30T10:41:01.66 0.3 undecidable manual S 145 20.9679 116 -0.09 74
IV.MSSA.HHZ. 2021-08-30T10:41:01.61 0.1 undecidable manual P 269 38.4282 50 0.43 89
IV.PLMA.HHZ. 2021-08-30T10:41:00.27 0.1 undecidable manual P 201 32.2455 50 0.04 98
GU.SARM.EHE. 2021-08-30T10:41:00.65 0.3 undecidable manual P 115 35.1426 50 -0.03 73
GU.FIVI.HNZ. 2021-08-30T10:40:59.73 0.3 undecidable manual S 132 13.4754 127 0.22 73
GU.GRAM.HHZ. 2021-08-30T10:40:58.06 0.1 undecidable manual P 15 19.5693 117 -0.04 100
GU.EQUI.HHZ. 2021-08-30T10:40:58.27 0.1 undecidable manual P 145 20.9679 116 -0.08 99
GU.FIVI.HNZ. 2021-08-30T10:40:57.29 0.3 undecidable manual P 132 13.4754 127 0.23 73
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.GRAM.HHE. ML:1.8 0.0004205 0.18 AML other m 2021-08-30T10:41:01.62
GU.GRAM.HHN. ML:1.7 0.000374 0.16 AML other m 2021-08-30T10:41:01.72
GU.EQUI.HHN. ML:0.7 0.000035662315 0.2176 AML other m 2021-08-30T10:41:01.73
GU.EQUI.HHE. ML:0.7 0.00003715 0.84 AML other m 2021-08-30T10:41:03.03
IV.PLMA.HHN. ML:1.3 0.000082 1.72 AML other m 2021-08-30T10:41:04.95
IV.PLMA.HHE. ML:1.2 0.00006775000000000001 1.74 AML other m 2021-08-30T10:41:05.10
IV.MSSA.HHN. ML:1.7 0.0001665 0.12 AML other m 2021-08-30T10:41:07.25
IV.MSSA.HHE. ML:1.5 0.000127 0.1 AML other m 2021-08-30T10:41:07.92
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