Earthquake with magnitude of Md 2.2 on date 09-02-1988 and time 08:47:22 (Italy) in region 7 km NE Castiglione di Garfagnana (LU)

A magnitude Md 2.2 earthquake occured in region: 7 km NE Castiglione di Garfagnana (LU), on

  • 09-02-1988 07:47:22 (UTC)
  • 09-02-1988 08:47:22 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.1830, 10.4830 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
Castiglione di Garfagnana LU 7 1818 1818
Villa Collemandina LU 7 1334 3152
Fosciandora LU 8 602 3754
Pieve Fosciana LU 8 2414 6168
Castelnuovo di Garfagnana LU 10 5950 12118
San Romano in Garfagnana LU 11 1410 13528
Pievepelago MO 11 2222 15750
Camporgiano LU 12 2176 17926
Barga LU 12 10034 27960
Molazzana LU 13 1043 29003
Fiumalbo MO 13 1280 30283
Coreglia Antelminelli LU 14 5215 35498
Gallicano LU 14 3807 39305
Careggine LU 14 564 39869
Frassinoro MO 15 1926 41795
Piazza al Serchio LU 15 2367 44162
Riolunato MO 15 712 44874
Abetone PT 15 621 45495
Sillano Giuncugnano LU 15 1085 46580
Fabbriche di Vergemoli LU 16 768 47348
Vagli Sotto LU 18 939 48287

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km NE of Massa (69479 inhabitants)
33 Km E of Carrara (63133 inhabitants)
38 Km N of Lucca (89046 inhabitants)
40 Km NE of Viareggio (62467 inhabitants)
44 Km NW of Pistoia (90315 inhabitants)
52 Km N of Pisa (89158 inhabitants)
53 Km E of La Spezia (93959 inhabitants)
59 Km S of Reggio nell'Emilia (171345 inhabitants)
60 Km NW of Prato (191150 inhabitants)
63 Km SW of Modena (184973 inhabitants)
70 Km S of Parma (192836 inhabitants)
71 Km N of Livorno (159219 inhabitants)
73 Km NW of Scandicci (50609 inhabitants)
74 Km SW of Carpi (70699 inhabitants)
77 Km W of Bologna (386663 inhabitants)
77 Km NW of Firenze (382808 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 2.2
ML-VAX 1.7
1988-02-09
07:47:22
44.183 10.483 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 62889
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1988-02-09 07:47:22 ± 0.19
Latitude 44.1830 ± 0.0125
Longitude 10.4830 ± 0.0171
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 62889

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) 1946.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 137
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) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00130
Epicentral distance of station farthest from the epicenter (degree) 0.00842
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:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 62889
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:59:44

ML:1.7

Field Value
Value 1.7
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 62889
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
--.BOB.Z. 1988-02-09T07:47:53.88 10.0 undecidable manual SG 308 0.9324 -0.39 0.2
--.BOB.Z. 1988-02-09T07:47:40.90 10.0 undecidable manual PG 308 0.9324 0.2 0.9
--.PII.Z. 1988-02-09T07:47:38.00 10.0 undecidable manual SG 176 0.4551 -0.94 0
--.PII.Z. 1988-02-09T07:47:31.95 10.0 undecidable manual PG 176 0.4551 0.1 1.6
--.BDI.Z. 1988-02-09T07:47:29.70 10.0 undecidable manual SG 145 0.1443 0.3 0.4
--.MME.Z. 1988-02-09T07:47:28.77 10.0 undecidable manual SG 86 0.1554 -0.32 0.4
--.BDI.Z. 1988-02-09T07:47:26.16 10.0 negative manual PG 145 0.1443 0.18 2.9
--.MME.Z. 1988-02-09T07:47:26.30 10.0 undecidable manual PG 86 0.1554 -0.13 1.6
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