Earthquake with magnitude of ML 1.5 on date 25-10-2020 and time 00:12:10 (Italy) in region 4 km E Aulla (MS)

A magnitude ML 1.5 earthquake occured in region: 4 km E Aulla (MS), on

  • 24-10-2020 22:12:10 (UTC)
  • 25-10-2020 00:12:10 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.2200, 10.0150 at 8 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
Aulla MS 4 11263 11263
Licciana Nardi MS 5 4949 16212
Tresana MS 5 2044 18256
Podenzana MS 6 2180 20436
Fivizzano MS 9 7925 28361
Fosdinovo MS 10 4883 33244
Villafranca in Lunigiana MS 10 4770 38014
Santo Stefano di Magra SP 10 9360 47374
Bolano SP 10 7813 55187
Bagnone MS 11 1887 57074
Sarzana SP 13 21976 79050
Comano MS 13 714 79764
Casola in Lunigiana MS 13 988 80752
Castelnuovo Magra SP 13 8415 89167
Vezzano Ligure SP 14 7356 96523
Follo SP 14 6337 102860
Filattiera MS 14 2309 105169
Mulazzo MS 14 2424 107593
Calice al Cornoviglio SP 14 1138 108731
Arcola SP 15 10607 119338
Ortonovo SP 15 8277 127615
Minucciano LU 16 2102 129717
Carrara MS 17 63133 192850
Ameglia SP 18 4365 197215
Lerici SP 18 10228 207443
La Spezia SP 19 93959 301402
Beverino SP 20 2429 303831

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km NW of Carrara (63133 inhabitants)
19 Km NE of La Spezia (93959 inhabitants)
23 Km NW of Massa (69479 inhabitants)
44 Km NW of Viareggio (62467 inhabitants)
57 Km NW of Lucca (89046 inhabitants)
64 Km NW of Pisa (89158 inhabitants)
69 Km SW of Parma (192836 inhabitants)
72 Km SW of Reggio nell'Emilia (171345 inhabitants)
78 Km NW of Livorno (159219 inhabitants)
79 Km W of Pistoia (90315 inhabitants)
87 Km SW of Modena (184973 inhabitants)
89 Km E of Genova (586655 inhabitants)
93 Km SW of Carpi (70699 inhabitants)
94 Km W of Prato (191150 inhabitants)
96 Km S of Piacenza (102191 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 2020-10-24
22:12:10
44.2203 10.0153 8 2021-02-26
14:56:20
Bollettino Sismico Italiano INGV 87476141
Reviewed
Rev100
ML 1.5 2020-10-24
22:12:10
44.2268 10.0067 7 2020-10-24
22:20:26
Sala Sismica INGV-Roma 84101341
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-10-24 22:12:10 ± 0.1
Latitude 44.2203 ± 0.0063
Longitude 10.0153 ± 0.0075
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 87476141

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 751
Semi-minor axis of confidence ellipse (meter) 435
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) 750.0
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 32
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.80040
Number of stations at which the event was observed 23
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 18
Type of magnitude ML
Reference to an origin 87476141
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-02-25 10:55:45

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 84101341
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-10-24 22:20:26
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SCIAC.HHZ. 2020-10-24T22:13:55.67 3.0 positive manual Pn 2.36 0
IV.SNAL.HHZ. 2020-10-24T22:13:40.47 3.0 undecidable manual Pg 14.78 0
IV.MCEL.HHZ. 2020-10-24T22:13:36.70 3.0 negative manual Pn 0.82 0
IV.CSP1.EHZ. 2020-10-24T22:13:33.79 3.0 undecidable manual Sn 6.7 0
IV.VCRE.HHZ. 2020-10-24T22:13:32.60 3.0 undecidable manual Pg 11.61 0
IV.MCRV.HHZ. 2020-10-24T22:13:31.35 3.0 undecidable manual Pn 4.63 0
IV.SRES.HHZ. 2020-10-24T22:13:26.60 3.0 undecidable manual Sn -3.79 0
IV.MTMR.EHZ. 2020-10-24T22:13:23.56 3.0 undecidable manual Pn -0.62 0
IV.APEC.HHZ. 2020-10-24T22:13:10.17 3.0 undecidable manual Sn 0.75 0
IV.MNTT.EHZ. 2020-10-24T22:13:07.21 3.0 positive manual Pg 12.15 0
IV.GAVE.EHZ. 2020-10-24T22:12:57.52 3.0 positive manual Pg 5.68 0
GU.RNCA.HHZ. 2020-10-24T22:12:37.77 0.6 undecidable manual S 289 88.8444 50 0.11 44
GU.GORR.HHN. 2020-10-24T22:12:32.76 0.6 undecidable manual S 307 71.5728 50 -0.28 44
GU.RNCA.HHZ. 2020-10-24T22:12:26.93 0.3 undecidable manual P 289 88.8444 50 0.66 57
IV.BDI.HHZ. 2020-10-24T22:12:26.52 0.6 undecidable manual S 111 49.4172 50 -0.6 42
IV.BOB.HNE. 2020-10-24T22:12:25.10 0.6 undecidable manual P 324 75.5688 50 0.89 36
GU.GORR.HHN. 2020-10-24T22:12:24.30 0.6 undecidable manual P 307 71.5728 50 0.7 39
IV.PII.HHZ. 2020-10-24T22:12:23.15 0.3 undecidable manual P 143 68.6757 50 0 70
GU.POPM.HHZ. 2020-10-24T22:12:22.13 0.3 undecidable manual P 108 62.1933 50 -0.02 71
GU.SARM.EHN. 2020-10-24T22:12:21.73 0.6 undecidable manual S 97 30.9468 104 -0.02 50
MN.VLC.HHZ. 2020-10-24T22:12:21.60 0.6 undecidable manual S 103 30.2475 104 0.07 50
IV.BDI.HHZ. 2020-10-24T22:12:20.04 0.3 undecidable manual P 111 49.4172 50 -0.14 71
GU.GRAM.HHZ. 2020-10-24T22:12:20.83 0.6 undecidable manual S 7 30.2475 104 -0.68 42
IV.PLMA.HHZ. 2020-10-24T22:12:18.45 0.6 undecidable manual S 214 22.8549 108 -0.61 44
GU.GRAM.HHZ. 2020-10-24T22:12:16.49 0.1 undecidable manual P 7 30.2475 104 -0.45 92
GU.EQUI.HHE. 2020-10-24T22:12:16.23 0.6 undecidable manual S 119 12.4764 121 0.45 47
GU.SARM.EHN. 2020-10-24T22:12:16.91 0.1 undecidable manual P 97 30.9468 104 -0.17 97
MN.VLC.HHZ. 2020-10-24T22:12:16.81 0.3 undecidable manual P 103 30.2475 104 -0.14 73
IV.PLMA.HHZ. 2020-10-24T22:12:15.32 0.1 undecidable manual P 214 22.8549 108 -0.21 98
GU.FIVI.HNE. 2020-10-24T22:12:15.21 0.6 undecidable manual S 77 9.0798 130 0.39 48
GU.EQUI.HHE. 2020-10-24T22:12:13.90 0.1 negative manual P 119 12.4764 121 0.27 98
GU.FIVI.HNE. 2020-10-24T22:12:13.29 0.1 undecidable manual P 77 9.0798 130 0.21 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
MN.VLC.HHN. ML:1.1 0.00006144502000000001 1.0048 AML other m 2020-10-24T22:12:17.10
IV.PLMA.HHE. ML:1.2 0.00011890169 0.3712 AML other m 2020-10-24T22:12:18.62
IV.PLMA.HHN. ML:1.4 0.00017479605 0.1536 AML other m 2020-10-24T22:12:18.53
MN.VLC.HNN. ML:1.5 0.00015493125000000003 1.7984 AML other m 2020-10-24T22:12:20.97
MN.VLC.HHE. ML:1.3 0.00010740045000000001 0.9056 AML other m 2020-10-24T22:12:21.51
GU.GRAM.HHN. ML:1.6 0.00021198765 1.4112 AML other m 2020-10-24T22:12:22.03
IV.BDI.HNN. ML:1.8 0.00015709965 0.8864 AML other m 2020-10-24T22:12:22.51
GU.GRAM.HHE. ML:1.6 0.00017708675 0.256 AML other m 2020-10-24T22:12:23.76
IV.BDI.HNE. ML:1.8 0.00015429755000000001 0.0992 AML other m 2020-10-24T22:12:23.73
IV.BDI.HHE. ML:1.2 0.000038686215 0.752 AML other m 2020-10-24T22:12:26.67
GU.POPM.HHE. ML:1.4 0.000045777805 0.7136 AML other m 2020-10-24T22:12:27.57
IV.BDI.HHN. ML:1.3 0.000050046135 0.9408 AML other m 2020-10-24T22:12:27.22
MN.VLC.HNE. ML:1.4 0.00012934345 0.3232 AML other m 2020-10-24T22:12:27.77
IV.PII.HHE. ML:1.6 0.00007163464999999999 0.336 AML other m 2020-10-24T22:12:27.92
IV.PII.HHN. ML:1.5 0.000057462465 0.6368 AML other m 2020-10-24T22:12:31.96
GU.POPM.HHN. ML:1.4 0.000051616930000000006 0.1408 AML other m 2020-10-24T22:12:34.35
GU.RNCA.HHN. ML:1.6 0.000048684365 0.032 AML other m 2020-10-24T22:12:39.34
GU.RNCA.HHE. ML:1.7 0.000060646320000000004 1.3376 AML other m 2020-10-24T22:12:51.86
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