Earthquake with magnitude of ML 2.1 on date 09-07-2020 and time 06:48:19 (Italy) in region 3 km SW Castelnuovo Magra (SP)

A magnitude ML 2.1 earthquake occured in region: 3 km SW Castelnuovo Magra (SP), on

  • 09-07-2020 04:48:19 (UTC)
  • 09-07-2020 06:48:19 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.08, 9.99 at 7 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
Castelnuovo Magra SP 3 8415 8415
Ameglia SP 3 4365 12780
Sarzana SP 4 21976 34756
Ortonovo SP 4 8277 43033
Fosdinovo MS 6 4883 47916
Lerici SP 6 10228 58144
Arcola SP 8 10607 68751
Carrara MS 9 63133 131884
Santo Stefano di Magra SP 11 9360 141244
Vezzano Ligure SP 11 7356 148600
Portovenere SP 13 3630 152230
Massa MS 13 69479 221709
La Spezia SP 13 93959 315668
Follo SP 14 6337 322005
Bolano SP 14 7813 329818
Aulla MS 14 11263 341081
Podenzana MS 14 2180 343261
Montignoso MS 17 10323 353584
Tresana MS 18 2044 355628
Forte dei Marmi LU 20 7510 363138
Casola in Lunigiana MS 20 988 364126
Minucciano LU 20 2102 366228
Riccò del Golfo di Spezia SP 20 3698 369926

Municipalities with at least 50000 inhabitants

An earthquake occurred to
9 Km W of Carrara (63133 inhabitants)
13 Km W of Massa (69479 inhabitants)
13 Km E of La Spezia (93959 inhabitants)
32 Km NW of Viareggio (62467 inhabitants)
49 Km NW of Lucca (89046 inhabitants)
53 Km NW of Pisa (89158 inhabitants)
64 Km NW of Livorno (159219 inhabitants)
76 Km W of Pistoia (90315 inhabitants)
84 Km SW of Parma (192836 inhabitants)
85 Km SW of Reggio nell'Emilia (171345 inhabitants)
91 Km W of Prato (191150 inhabitants)
92 Km E of Genova (586655 inhabitants)
97 Km SW of Modena (184973 inhabitants)
Recent and historical seismicity

These maps show the seismicity for different time windows. The earthquake locations reported in these maps are determined in quasi real-time by the personnel on duty in the seismic surveillance center of INGV in Rome. Note that the earthquake source parameters (hypocentral location and magnitude) are the best estimates obstained with the available data and they are adjourned as additional data become available. The source parameters obtained by the personnel on duty are then revised by the group in charge of the INGV Seismic Bulletin (Bollettino Sismico Italiano dell’INGV).

Earthquakes of the 3 days preceding this event

Earthquakes of the 3 days preceding this event *

This map reports the earthquake epicenters located in the 72 hours (3 days) preceding the time of the current earthquake occurrence, using the data acquired by the Italian National Seismic Network and by other collaborating networks in Italy and in the neighbouring countries. The radius of the circle representing the earthquake on the map scales with magnitude. The color depends on the time of occurrence of the earthquakes with respect to the time of generation of the map (red = 1 hour; orange = 24 hours; yellow = 72 hours). The open star shows the epicenter of the current earthquake.
Earthquakes of the 90 days preceding this event

Earthquakes of the 90 days preceding this event *

This map reports the Magnitudo ≥ 1.0 earthquake epicenters located in the 90 days preceding the time of the current earthquake occurrence, using the data acquired by the Italian National Seismic Network and by other collaborating networks in Italy and in the neighbouring countries. The radii of the circles representing the epicenters on the map scale with magnitude. The color of each circle depends on the time of occurrence of the earthquakes with respect to the time of generation of the map (red = 1 hour; orange = 24 hours; yellow = 72 hours; blue = all other earthquakes). The open star shows the epicenter of the current earthquake.
Earthquakes from 1985 to the date of the event

Earthquakes from 1985 to the date of the event *

This map reports the Magnitudo ≥ 2.5 earthquake epicenters located using the data acquired by the Italian National Seismic Network and by other collaborating networks in Italy and in the neighbouring countries. The radii of the circles representing the epicenters on the map scale with magnitude. The color of each circle depends on the time of occurrence of the earthquakes with respect to the time of generation of the map (red = 1 hour; orange = 24 hours; yellow = 72 hours; blue = all other earthquakes). The open star shows the epicenter of the current earthquake.
Earthquakes since 1000 AD until 2019

Earthquakes since 1000 AD until 2019 *

This map shows the epicenters of the historical earthquakes catalogue CPT15 (Catalogo Parametrico dei Terremoti Italiani, 2015 version https://emidius.mi.ingv.it/CPTI15-DBMI15/) with estimated magnitude ≥ 5.0 since 1000 AD until 2014. The epicenters are represented by squares which sides scale with the estimated earthquake magnitude. For earthquakes with magnitude ≥ 6.0, it is also shown the year of occurrence and the magnitude value. The open star shows the epicenter of the current earthquake.
Seismic hazard
Shakemap
Felt maps
Preliminary map of the earthquake effects from the web questionnaire

Preliminary map of the earthquake effects from the web questionnaire *

This map shows the distribution of the effects of the earthquake on the territory in terms of the MCS (Mercalli-Cancani-Sieberg) intensity scale. The intensities are determined using the data provided in the questionnaire (http://www.haisentitoilterremoto.it/) that are analysed using robust statistical techniques since they are not verified individually. Specifically, the assignment of MCS intensities greater or equal the VI degree of the MCS scale require opportune in situ verification by professional experts. The purple start shows the epicenter. This map is prepared every so often that the population fill in new questionnaires. The number of questionnaires used to determine the map and the date and time of the last adjournment are shown in the upper right part of the panel.
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Bulletin
Rev1000
ML 2.1 2020-07-09
04:48:19
44.08 9.99 7 2020-11-19
12:36:53
Bollettino Sismico Italiano INGV 81067081
Reviewed
Rev100
ML 2.1 2020-07-09
04:48:18
44.1 9.99 8 2020-07-09
04:54:05
Sala Sismica INGV-Roma 80899621
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-07-09 04:48:19 ± 0.12
Latitude 44.08 ± 0.01
Longitude 9.99 ± 0.01
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 81067081

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 834
Semi-minor axis of confidence ellipse (meter) 451
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) 830
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 78
Number of associated phases, regardless of their use for origin computation 44
Number of defining phases 44
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.45
Epicentral distance of station closest to the epicenter (degree) 0.10522
Epicentral distance of station farthest from the epicenter (degree) 2.18175
Number of stations at which the event was observed 34
Number of stations from which data was used for origin computation 34
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 58
Type of magnitude ML
Reference to an origin 81067081
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-09-15 17:40:42

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 58
Type of magnitude ML
Reference to an origin 80899621
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-07-09 04:54:05
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
ST.PANI.EHZ. 2020-07-09T04:48:57.35 0.3 undecidable manual P 25 2.1818 38 0.95 26
IV.VARE.HHZ. 2020-07-09T04:48:55.25 0.3 undecidable manual P 335 1.9803 38 1.62 21
SI.LUSI.HHZ. 2020-07-09T04:48:54.51 0.3 undecidable manual P 19 1.9911 38 0.74 32
ST.DOSS.HHZ. 2020-07-09T04:48:54.53 0.3 undecidable manual P 25 1.9848 38 0.84 31
ST.VARA.EHZ. 2020-07-09T04:48:53.04 0.3 undecidable manual P 20 1.8544 38 1.15 30
IV.MBAL.EHZ. 2020-07-09T04:48:51.15 0.3 undecidable manual P 21 1.7258 38 1.05 34
IV.MAGA.HHZ. 2020-07-09T04:48:51.46 0.3 undecidable manual P 15 1.7492 38 1.03 33
IV.CRE.HHZ. 2020-07-09T04:48:46.11 0.3 undecidable manual P 108 1.4866 50 -0.29 51
IV.CASP.HHZ. 2020-07-09T04:48:44.71 0.6 undecidable manual P 154 1.4398 50 -0.87 29
IV.SFI.EHZ. 2020-07-09T04:48:43.63 0.3 undecidable manual P 97 1.3454 50 -0.35 54
IV.CELB.HHZ. 2020-07-09T04:48:43.40 0.3 undecidable manual P 173 1.3463 50 -0.59 51
GU.GORR.HHZ. 2020-07-09T04:48:42.67 0.6 undecidable manual S 317 0.7231 50 -1.1 31
IV.QLNO.HHZ. 2020-07-09T04:48:41.61 0.3 undecidable manual P 282 1.2033 50 0.07 59
GU.CANO.HHZ. 2020-07-09T04:48:41.91 0.3 undecidable manual P 276 1.2644 50 -0.68 50
IV.RUFI.EHZ. 2020-07-09T04:48:40.82 0.3 undecidable manual P 102 1.1188 50 0.72 51
IV.CSNT.HHZ. 2020-07-09T04:48:40.23 0.3 undecidable manual P 123 1.1179 50 0.14 60
GU.PCP.HHZ. 2020-07-09T04:48:40.26 0.3 undecidable manual P 294 1.1304 50 -0.05 61
IV.RONT.HHZ. 2020-07-09T04:48:39.36 0.3 undecidable manual P 94 1.0396 50 0.62 54
IV.PII.HHZ. 2020-07-09T04:48:38.10 0.6 undecidable manual S 133 0.5279 50 0.13 45
IV.SEI.HHZ. 2020-07-09T04:48:38.59 0.3 undecidable manual P 91 0.9821 50 0.83 50
GU.POPM.HHZ. 2020-07-09T04:48:38.00 0.3 undecidable manual S 94 0.5513 50 -0.66 59
GU.GSCL.HHZ. 2020-07-09T04:48:36.68 0.3 undecidable manual S 58 0.5036 50 -0.57 61
IV.ZCCA.HHZ. 2020-07-09T04:48:35.37 0.3 undecidable manual P 69 0.7536 50 1.51 37
IV.MPPT.EHZ. 2020-07-09T04:48:35.10 0.3 undecidable manual P 99 0.7995 50 0.46 60
GU.RNCA.HHZ. 2020-07-09T04:48:35.46 0.1 undecidable manual P 298 0.8391 50 0.15 85
IV.CRMI.HHZ. 2020-07-09T04:48:34.57 0.1 undecidable manual P 112 0.7671 50 0.49 80
IV.BDI.HHZ. 2020-07-09T04:48:34.05 0.6 undecidable manual S 93 0.4344 50 -1.15 32
IV.BOB.HNE. 2020-07-09T04:48:34.34 0.3 undecidable manual P 331 0.786 50 -0.06 65
GU.GRAM.HHZ. 2020-07-09T04:48:33.72 0.6 undecidable manual S 7 0.4101 50 -0.78 38
GU.MAIM.HHZ. 2020-07-09T04:48:32.83 0.6 undecidable manual S 115 0.3975 50 -1.28 30
GU.GORR.HHZ. 2020-07-09T04:48:32.82 0.1 undecidable manual P 317 0.7231 50 -0.51 80
IV.NEVI.HNN. 2020-07-09T04:48:31.06 0.3 undecidable manual P 25 0.5504 50 0.69 58
IV.PII.HHZ. 2020-07-09T04:48:30.00 0.1 undecidable manual P 133 0.5279 50 0.01 93
GU.POPM.HHZ. 2020-07-09T04:48:30.32 0.1 undecidable manual P 94 0.5513 50 -0.06 91
GU.GSCL.HHZ. 2020-07-09T04:48:29.53 0.1 undecidable manual P 58 0.5036 50 -0.04 93
IV.BDI.HHZ. 2020-07-09T04:48:28.07 0.1 undecidable manual P 93 0.4344 50 -0.31 89
GU.GRAM.HHZ. 2020-07-09T04:48:27.43 0.1 positive manual P 7 0.4101 50 -0.55 84
GU.MAIM.HHZ. 2020-07-09T04:48:27.70 0.1 undecidable manual P 115 0.3975 50 -0.06 94
GU.FIVI.HNE. 2020-07-09T04:48:25.94 0.6 undecidable manual S 32 0.1835 110 -0.64 42
GU.EQUI.HHN. 2020-07-09T04:48:24.74 0.6 undecidable manual S 55 0.1421 115 -0.37 47
GU.FIVI.HNE. 2020-07-09T04:48:23.37 0.1 undecidable manual P 32 0.1835 110 -0.04 99
IV.PLMA.HHZ. 2020-07-09T04:48:23.67 0.1 undecidable manual S 251 0.1052 123 -0.19 97
GU.EQUI.HHN. 2020-07-09T04:48:22.58 0.1 undecidable manual P 55 0.1421 115 0.02 100
IV.PLMA.HHZ. 2020-07-09T04:48:22.03 0.1 undecidable manual P 251 0.1052 123 0.19 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PLMA.HHN. ML:2.6 0.0054976115 0.16 AML other m 2020-07-09T04:48:23.82
IV.PLMA.HHE. ML:2.7 0.0070240985 0.1216 AML other m 2020-07-09T04:48:23.72
GU.GRAM.HHE. ML:2.3 0.0006504843 0.2016 AML other m 2020-07-09T04:48:33.91
IV.BDI.HHE. ML:0 0.0002852157 0.3392 AML other m 2020-07-09T04:48:37.71
IV.BDI.HHN. ML:0 0.0002635 0.58 AML other m 2020-07-09T04:48:35.50
IV.BDI.HNE. ML:2 0.0002863007 1.6192 AML other m 2020-07-09T04:48:35.86
IV.BDI.HNN. ML:1.9 0.0002402964 1.6288 AML other m 2020-07-09T04:48:36.82
GU.GRAM.HHN. ML:2.3 0.0006183478 0.1408 AML other m 2020-07-09T04:48:36.52
IV.ZCCA.HNE. ML:0 0.0007315 0.92 AML other m 2020-07-09T04:48:37.99
GU.GSCL.HHE. ML:2.6 0.0008220239 0.2208 AML other m 2020-07-09T04:48:37.65
GU.GSCL.HHN. ML:2.3 0.00050334165 0.2016 AML other m 2020-07-09T04:48:37.69
IV.ZCCA.HNN. ML:0 0.001018 0.6 AML other m 2020-07-09T04:48:58.50
IV.PII.HHE. ML:2.4 0.00061131375 0.4416 AML other m 2020-07-09T04:48:38.73
IV.PII.HHN. ML:2.3 0.0004610301 1.68 AML other m 2020-07-09T04:48:39.93
GU.POPM.HHN. ML:2.4 0.00055688675 0.2208 AML other m 2020-07-09T04:48:41.34
GU.POPM.HHE. ML:2.5 0.0006043906 0.2016 AML other m 2020-07-09T04:48:41.40
GU.GORR.HHN. ML:2.2 0.0002440391 1.5424 AML other m 2020-07-09T04:48:45.95
GU.GORR.HHE. ML:2.2 0.00023334415 0.16 AML other m 2020-07-09T04:48:46.64
IV.CRMI.HHE. ML:1.4 2.8451195E-5 0.3392 AML other m 2020-07-09T04:48:48.81
IV.CRMI.HNE. ML:1.8 8.837786E-5 0.2976 AML other m 2020-07-09T04:48:48.83
IV.CRMI.HHN. ML:1.6 5.0152415E-5 0.2624 AML other m 2020-07-09T04:48:48.86
IV.CRMI.HNN. ML:1.9 0.000105133925 0.2624 AML other m 2020-07-09T04:48:48.86
GU.RNCA.HHN. ML:2 0.00011737735 0.1792 AML other m 2020-07-09T04:48:48.88
IV.MPPT.EHN. ML:2 0.00010562013 1.68 AML other m 2020-07-09T04:48:49.99
GU.RNCA.HHE. ML:2 9.9520145E-5 0.1184 AML other m 2020-07-09T04:48:49.37
IV.MPPT.EHE. ML:1.8 8.746724E-5 0.5216 AML other m 2020-07-09T04:48:49.72
IV.ZCCA.HHN. ML:0 7.845E-5 1.02 AML other m 2020-07-09T04:48:52.19
IV.ZCCA.HHE. ML:0 7.075E-5 0.32 AML other m 2020-07-09T04:48:54.31
IV.SEI.HHN. ML:2.4 0.00023494275 0.5408 AML other m 2020-07-09T04:48:54.34
IV.RONT.HHN. ML:2.2 0.0001423014 0.2784 AML other m 2020-07-09T04:48:56.68
IV.RUFI.EHE. ML:2 6.619452E-5 0.3424 AML other m 2020-07-09T04:48:57.36
GU.PCP.HHN. ML:0 4.1E-5 0.46 AML other m 2020-07-09T04:48:58.29
GU.CANO.HHN. ML:2.2 8.62627E-5 0.4 AML other m 2020-07-09T04:48:58.49
GU.CANO.HHE. ML:2.1 6.9485865E-5 0.4 AML other m 2020-07-09T04:48:58.70
GU.PCP.HHE. ML:0 3.785E-5 0.32 AML other m 2020-07-09T04:48:58.88
IV.RONT.HHE. ML:2.5 0.0002279487 0.3008 AML other m 2020-07-09T04:48:58.96
IV.CSNT.HHN. ML:1.7 3.3141775E-5 1.3216 AML other m 2020-07-09T04:48:59.11
IV.SEI.HHE. ML:2.1 0.00011395365 0.4192 AML other m 2020-07-09T04:48:59.73
IV.QLNO.HHN. ML:1.7 2.909711E-5 0.3392 AML other m 2020-07-09T04:49:00.08
IV.CSNT.HHE. ML:1.6 2.9235355E-5 1.28 AML other m 2020-07-09T04:49:00.18
IV.QLNO.HHE. ML:1.8 3.6606645E-5 0.6816 AML other m 2020-07-09T04:49:00.29
IV.CELB.HHN. ML:2.8 0.0003436248 0.08 AML other m 2020-07-09T04:49:03.10
IV.CELB.HHE. ML:2.6 0.000184085 0.08 AML other m 2020-07-09T04:49:03.18
IV.SFI.HNE. ML:2.4 0.00014096195 0.272 AML other m 2020-07-09T04:49:04.68
IV.CASP.HHE. ML:1.7 2.597219E-5 0.4 AML other m 2020-07-09T04:49:09.41
IV.CASP.HHN. ML:1.8 3.0338785E-5 0.5184 AML other m 2020-07-09T04:49:09.84
IV.CRE.HHN. ML:1.8 2.8486095E-5 1.7792 AML other m 2020-07-09T04:49:11.02
IV.SFI.HNN. ML:2.4 0.00014183645 0.2784 AML other m 2020-07-09T04:49:12.25
IV.SFI.EHN. ML:1.7 2.3137765E-5 0.96 AML other m 2020-07-09T04:49:13.92
IV.SFI.EHE. ML:1.7 2.4578905E-5 0.5984 AML other m 2020-07-09T04:49:14.35
IV.CRE.HHE. ML:1.8 2.9045375E-5 0.3584 AML other m 2020-07-09T04:49:14.42
IV.MBAL.EHE. ML:2.3 5.983456E-5 0.56 AML other m 2020-07-09T04:49:19.94
IV.MAGA.HHE. ML:2.6 0.00011522169 1.68 AML other m 2020-07-09T04:49:22.15
IV.MBAL.EHN. ML:2.2 4.910317E-5 1.2416 AML other m 2020-07-09T04:49:23.90
IV.RUFI.EHN. ML:2.1 7.955508E-5 0.8 AML other m 2020-07-09T04:49:24.53
IV.MBAL.HNN. ML:2.8 0.0001867057 0.4224 AML other m 2020-07-09T04:49:26.25
IV.MAGA.HHN. ML:2.2 5.510106E-5 0.2784 AML other m 2020-07-09T04:49:27.10
IV.MBAL.HNE. ML:2.7 0.0001720951 1.1616 AML other m 2020-07-09T04:49:48.97
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Fault Plane solutions

Fault Plane solutions *

This map reports the focal mechanisms since 1977 in the region. The white and red beach ball symbols are mechanisms determined using the Regional Centroid Moment Tensor (RCMT, http://www.bo.ingv.it/RCMT) and are determined for earthquakes with magnitude larger than 4.5 in the Euro-Mediterranenan area. Occasionally, when there is a good source-receiver geometry of the target earthquake, the RCMT can be obtained also for earthquakes with magnitude larger than 4.0. The blue and white beach ball symbols indicate the mechanisms obtained from application of the Time Domain Moment Tensor (TDMT, http://terremoti.ingv.it/tdmt.html). This technique is used for M ≥ 3.5. The size of the beach ball sysmbol scales with the calculated moment magnitude, Mw.
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
Waveforms Seismic signals in miniseed + resp format Download