Earthquake with magnitude of Md 2.1 on date 02-05-1988 and time 02:11:42 (UTC) in region 10 km SW Sambuca Pistoiese (PT)

A magnitude Md 2.1 earthquake occured in region: 10 km SW Sambuca Pistoiese (PT), on

  • 02-05-1988 02:11:42 (UTC)
  • 02-05-1988 04:11:42 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.0330, 10.9310 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
Sambuca Pistoiese PT 10 1626 1626
Pistoia PT 11 90315 91941
San Marcello Pistoiese PT 11 6416 98357
Piteglio PT 13 1683 100040
Montale PT 13 10737 110777
Alto Reno Terme BO 14 6960 117737
Cantagallo PO 14 3105 120842
Montemurlo PO 15 18456 139298
Lizzano in Belvedere BO 15 2212 141510
Agliana PT 16 17525 159035
Cutigliano PT 16 1488 160523
Serravalle Pistoiese PT 16 11659 172182
Marliana PT 17 3210 175392
Castel di Casio BO 17 3448 178840
Vaiano PO 17 9895 188735
Vernio PO 18 6060 194795
Gaggio Montano BO 19 4878 199673
Camugnano BO 20 1885 201558

Municipalities with at least 50000 inhabitants

An earthquake occurred to
11 Km N of Pistoia (90315 inhabitants)
22 Km NW of Prato (191150 inhabitants)
37 Km NW of Scandicci (50609 inhabitants)
39 Km NW of Firenze (382808 inhabitants)
40 Km NE of Lucca (89046 inhabitants)
55 Km NE of Pisa (89158 inhabitants)
58 Km E of Viareggio (62467 inhabitants)
61 Km SW of Bologna (386663 inhabitants)
63 Km E of Massa (69479 inhabitants)
67 Km E of Carrara (63133 inhabitants)
68 Km S of Modena (184973 inhabitants)
72 Km W of Imola (69797 inhabitants)
73 Km NE of Livorno (159219 inhabitants)
78 Km SE of Reggio nell'Emilia (171345 inhabitants)
81 Km W of Faenza (58541 inhabitants)
84 Km S of Carpi (70699 inhabitants)
86 Km NW of Siena (53903 inhabitants)
88 Km E of La Spezia (93959 inhabitants)
91 Km W of Forlì (117913 inhabitants)
98 Km SE of Parma (192836 inhabitants)
99 Km NW of Arezzo (99543 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 1.9
1988-05-02
02:11:42
44.033 10.931 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 68639
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1988-05-02 02:11:42 ± 0.149
Latitude 44.0330 ± 0.0224
Longitude 10.9310 ± 0.0138
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 68639

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) 2726.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 171
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) 0.00202
Epicentral distance of station farthest from the epicenter (degree) 0.00599
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 3
Type of magnitude Md
Reference to an origin 68639
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:05:02

ML:1.9

Field Value
Value 1.9
Uncertainty
Num. used stations 1
Type of magnitude ML
Reference to an origin 68639
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
--.SFI.Z. 1988-05-02T02:12:05.33 10.0 undecidable manual SG 100 0.666 -0.87 0
--.PGD.Z. 1988-05-02T02:12:04.00 10.0 undecidable manual SG 105 0.5883 0.42 0.3
--.SFI.Z. 1988-05-02T02:11:56.34 10.0 undecidable manual PG 100 0.666 0.06 1.6
--.PGD.Z. 1988-05-02T02:11:55.00 10.0 undecidable manual PG 105 0.5883 0.24 1.3
--.MME.Z. 1988-05-02T02:11:52.26 10.0 undecidable manual SG 313 0.222 0.24 0.6
--.BDI.Z. 1988-05-02T02:11:52.57 10.0 undecidable manual SG 276 0.2331 0.19 0.7
--.BDI.Z. 1988-05-02T02:11:48.90 10.0 undecidable manual PG 276 0.2331 -0.2 1.6
--.MME.Z. 1988-05-02T02:11:47.99 10.0 undecidable manual PG 313 0.222 -0.1 1.9
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