Earthquake with magnitude of Md 2.1 on date 18-07-1997 and time 12:05:35 (Italy) in region 4 km NE Filattiera (MS)

A magnitude Md 2.1 earthquake occured in region: 4 km NE Filattiera (MS), on

  • 18-07-1997 10:05:35 (UTC)
  • 18-07-1997 12:05:35 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.3560, 9.9730 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
Filattiera MS 4 2309 2309
Bagnone MS 5 1887 4196
Mulazzo MS 6 2424 6620
Villafranca in Lunigiana MS 7 4770 11390
Pontremoli MS 8 7357 18747
Licciana Nardi MS 11 4949 23696
Tresana MS 13 2044 25740
Monchio delle Corti PR 14 933 26673
Comano MS 15 714 27387
Aulla MS 16 11263 38650
Corniglio PR 16 1936 40586
Calice al Cornoviglio SP 17 1138 41724
Zeri MS 17 1094 42818
Podenzana MS 17 2180 44998
Berceto PR 17 2109 47107
Fivizzano MS 18 7925 55032
Bolano SP 20 7813 62845
Palanzano PR 20 1142 63987

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km NE of La Spezia (93959 inhabitants)
32 Km NW of Carrara (63133 inhabitants)
38 Km NW of Massa (69479 inhabitants)
57 Km SW of Parma (192836 inhabitants)
59 Km NW of Viareggio (62467 inhabitants)
65 Km SW of Reggio nell'Emilia (171345 inhabitants)
71 Km NW of Lucca (89046 inhabitants)
79 Km NW of Pisa (89158 inhabitants)
81 Km S of Piacenza (102191 inhabitants)
82 Km W of Modena (184973 inhabitants)
83 Km E of Genova (586655 inhabitants)
87 Km SW of Carpi (70699 inhabitants)
87 Km S of Cremona (71901 inhabitants)
89 Km NW of Pistoia (90315 inhabitants)
93 Km NW of Livorno (159219 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
Md 2.1
ML-VAX 1.5
1997-07-18
10:05:35
44.356 9.973 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 273579
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-07-18 10:05:35 ± 0.554
Latitude 44.3560 ± 0.0200
Longitude 9.9730 ± 0.0378
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 273579

Uncertainty

Field Value
Preferred uncertainty description horizontal uncertainty
Semi-major axis of confidence ellipse (meter)
Semi-minor axis of confidence ellipse (meter)
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi)
Circular confidence region, given by single value of horizontal uncertainty (meter) 3742.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 315
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00283
Epicentral distance of station farthest from the epicenter (degree) 0.00639
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitudes information

Md:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 273579
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:18:31

ML:1.5

Field Value
Value 1.5
Uncertainty
Num. used stations 4
Type of magnitude ML
Reference to an origin 273579
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 13:07:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.ZC9.Z. 1997-07-18T10:06:00.80 10.0 undecidable manual SG 90 0.7104 0.32 0.4
--.BDI.Z. 1997-07-18T10:05:54.45 10.0 undecidable manual SG 123 0.5328 -0.16 0.6
--.GU9.Z. 1997-07-18T10:05:51.99 10.0 undecidable manual SG 90 0.4329 0.45 0.3
--.ZC9.Z. 1997-07-18T10:05:50.20 10.0 undecidable manual PG 90 0.7104 0.26 1.1
--.EB9.Z. 1997-07-18T10:05:47.90 10.0 undecidable manual SG 78 0.3108 -0.63 0.2
--.BDI.Z. 1997-07-18T10:05:46.69 10.0 undecidable manual PG 123 0.5328 0.15 1.5
--.GU9.Z. 1997-07-18T10:05:44.26 10.0 positive manual PG 90 0.4329 -0.51 1.3
--.EB9.Z. 1997-07-18T10:05:42.82 10.0 positive manual PG 78 0.3108 0.25 2.6
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