Earthquake with magnitude of Md 2.0 on date 04-02-1988 and time 06:00:28 (UTC) in region 1 km NW Villa Collemandina (LU)

A magnitude Md 2.0 earthquake occured in region: 1 km NW Villa Collemandina (LU), on

  • 04-02-1988 06:00:28 (UTC)
  • 04-02-1988 07:00:28 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.1660, 10.3880 at 5 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
Villa Collemandina LU 1 1334 1334
Castiglione di Garfagnana LU 3 1818 3152
San Romano in Garfagnana LU 3 1410 4562
Pieve Fosciana LU 4 2414 6976
Camporgiano LU 4 2176 9152
Castelnuovo di Garfagnana LU 6 5950 15102
Careggine LU 7 564 15666
Piazza al Serchio LU 7 2367 18033
Fosciandora LU 8 602 18635
Sillano Giuncugnano LU 10 1085 19720
Vagli Sotto LU 10 939 20659
Molazzana LU 11 1043 21702
Gallicano LU 12 3807 25509
Fabbriche di Vergemoli LU 13 768 26277
Barga LU 13 10034 36311
Minucciano LU 14 2102 38413
Coreglia Antelminelli LU 16 5215 43628
Casola in Lunigiana MS 17 988 44616
Pievepelago MO 19 2222 46838
Stazzema LU 20 3193 50031

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km NE of Massa (69479 inhabitants)
25 Km E of Carrara (63133 inhabitants)
35 Km NE of Viareggio (62467 inhabitants)
37 Km N of Lucca (89046 inhabitants)
45 Km E of La Spezia (93959 inhabitants)
50 Km NW of Pistoia (90315 inhabitants)
50 Km N of Pisa (89158 inhabitants)
62 Km SW of Reggio nell'Emilia (171345 inhabitants)
65 Km W of Prato (191150 inhabitants)
68 Km N of Livorno (159219 inhabitants)
69 Km SW of Modena (184973 inhabitants)
71 Km S of Parma (192836 inhabitants)
78 Km NW of Scandicci (50609 inhabitants)
79 Km SW of Carpi (70699 inhabitants)
82 Km NW of Firenze (382808 inhabitants)
84 Km W of Bologna (386663 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 2.0 1988-02-04
06:00:28
44.166 10.388 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 62399
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1988-02-04 06:00:28 ± 0.47
Latitude 44.1660 ± 0.0301
Longitude 10.3880 ± 0.0512
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 62399

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) 5280.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 144
Number of associated phases, regardless of their use for origin computation 6
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00162
Epicentral distance of station farthest from the epicenter (degree) 0.01870
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitude information

Md:2.0

Field Value
Value 2.0
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 62399
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:59:18
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.CTI.Z. 1988-02-04T06:01:03.50 10.0 undecidable manual PN 25 2.0757 -0.66 0.5
--.BOB.Z. 1988-02-04T06:00:47.85 10.0 undecidable manual PG 312 0.8991 0.75 0.7
--.PII.Z. 1988-02-04T06:00:46.50 10.0 undecidable manual SG 167 0.444 0.24 0.6
--.PII.Z. 1988-02-04T06:00:38.30 10.0 undecidable manual PG 167 0.444 -0.56 1.1
--.BDI.Z. 1988-02-04T06:00:37.60 10.0 undecidable manual SG 124 0.1776 1.6 0
--.BDI.Z. 1988-02-04T06:00:32.77 10.0 negative manual PG 124 0.1776 -0.17 3.1
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