Earthquake with magnitude of Md 2.2 on date 08-07-1985 and time 07:53:42 (Italy) in region 8 km E San Marcello Pistoiese (PT)

A magnitude Md 2.2 earthquake occured in region: 8 km E San Marcello Pistoiese (PT), on

  • 08-07-1985 05:53:42 (UTC)
  • 08-07-1985 07:53:42 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.0560, 10.8910 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
San Marcello Pistoiese PT 8 6416 6416
Sambuca Pistoiese PT 10 1626 8042
Piteglio PT 10 1683 9725
Cutigliano PT 12 1488 11213
Lizzano in Belvedere BO 12 2212 13425
Alto Reno Terme BO 13 6960 20385
Pistoia PT 14 90315 110700
Gaggio Montano BO 16 4878 115578
Marliana PT 17 3210 118788
Castel di Casio BO 17 3448 122236
Montale PT 17 10737 132973
Serravalle Pistoiese PT 17 11659 144632
Cantagallo PO 18 3105 147737
Montemurlo PO 19 18456 166193
Fanano MO 19 2989 169182
Agliana PT 19 17525 186707
Massa e Cozzile PT 20 7983 194690

Municipalities with at least 50000 inhabitants

An earthquake occurred to
14 Km N of Pistoia (90315 inhabitants)
26 Km NW of Prato (191150 inhabitants)
39 Km NE of Lucca (89046 inhabitants)
40 Km NW of Scandicci (50609 inhabitants)
43 Km NW of Firenze (382808 inhabitants)
54 Km NE of Pisa (89158 inhabitants)
55 Km E of Viareggio (62467 inhabitants)
60 Km E of Massa (69479 inhabitants)
61 Km SW of Bologna (386663 inhabitants)
63 Km E of Carrara (63133 inhabitants)
66 Km S of Modena (184973 inhabitants)
73 Km NE of Livorno (159219 inhabitants)
74 Km W of Imola (69797 inhabitants)
74 Km S of Reggio nell'Emilia (171345 inhabitants)
81 Km S of Carpi (70699 inhabitants)
83 Km W of Faenza (58541 inhabitants)
85 Km E of La Spezia (93959 inhabitants)
89 Km NW of Siena (53903 inhabitants)
94 Km W of Forlì (117913 inhabitants)
94 Km SE of Parma (192836 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 1985-07-08
05:53:42
44.056 10.891 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 9809
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-07-08 05:53:42 ± 0.536
Latitude 44.0560 ± 0.0237
Longitude 10.8910 ± 0.0341
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 9809

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) 3789.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 207
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) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00186
Epicentral distance of station farthest from the epicenter (degree) 0.00785
Number of stations at which the event was observed 3
Number of stations from which data was used for origin computation 3
Magnitude information

Md:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 9809
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:13:34
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.CH1.Z. 1985-07-08T05:54:11.50 10.0 undecidable manual SG 118 0.8769 -0.83 0.1
--.CH1.Z. 1985-07-08T05:54:00.50 10.0 undecidable manual PG? 118 0.8769 0.83 0.1
--.PS9.Z. 1985-07-08T05:53:58.00 10.0 undecidable manual SG 218 0.4218 0.03 0.9
--.PS9.Z. 1985-07-08T05:53:51.50 10.0 undecidable manual PG 218 0.4218 0.12 2.2
--.BD1.Z. 1985-07-08T05:53:50.50 10.0 undecidable manual SG 271 0.2109 -0.58 0.4
--.BD1.Z. 1985-07-08T05:53:47.50 10.0 undecidable manual PG 271 0.2109 0.1 2.2
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