Earthquake with magnitude of Md 2.5 on date 19-07-1988 and time 05:15:54 (Italy) in region 6 km E Monghidoro (BO)

A magnitude Md 2.5 earthquake occured in region: 6 km E Monghidoro (BO), on

  • 19-07-1988 03:15:54 (UTC)
  • 19-07-1988 05:15:54 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.22, 11.4 at 3 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
Monghidoro BO 6 3749 3749
Loiano BO 8 4294 8043
Castel del Rio BO 9 1246 9289
Firenzuola FI 11 4726 14015
Monzuno BO 12 6328 20343
Monterenzio BO 12 6035 26378
San Benedetto Val di Sambro BO 13 4315 30693
Fontanelice BO 14 1943 32636
Palazzuolo sul Senio FI 17 1154 33790
Borgo Tossignano BO 17 3288 37078
Casola Valsenio RA 18 2617 39695
Pianoro BO 19 17460 57155
Casalfiumanese BO 20 3438 60593

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km SW of Imola (69797 inhabitants)
31 Km S of Bologna (386663 inhabitants)
40 Km W of Faenza (58541 inhabitants)
44 Km NE of Prato (191150 inhabitants)
50 Km NE of Pistoia (90315 inhabitants)
51 Km N of Firenze (382808 inhabitants)
51 Km W of Forlì (117913 inhabitants)
54 Km NE of Scandicci (50609 inhabitants)
61 Km SE of Modena (184973 inhabitants)
68 Km W of Ravenna (159116 inhabitants)
68 Km W of Cesena (96758 inhabitants)
71 Km S of Ferrara (133155 inhabitants)
75 Km SE of Carpi (70699 inhabitants)
81 Km SE of Reggio nell'Emilia (171345 inhabitants)
83 Km NE of Lucca (89046 inhabitants)
92 Km NW of Arezzo (99543 inhabitants)
95 Km W of Rimini (147750 inhabitants)
97 Km NE of Pisa (89158 inhabitants)
100 Km E of Viareggio (62467 inhabitants)
100 Km N of Siena (53903 inhabitants)
100 Km SW of Rovigo (51867 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
Rev 1000 Md 2.5
ML-VAX 1.5
1988-07-19
03:15:54
44.22 11.4 3 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 73769
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1988-07-19 03:15:54 ± 0.391
Latitude 44.22 ± 0.03
Longitude 11.40 ± 0.02
Depth (km) 3 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 73769

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) 3416.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 202
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
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) 0.00364
Epicentral distance of station farthest from the epicenter (degree) 0.01319
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitudes information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 7
Type of magnitude Md
Reference to an origin 73769
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:09:41

ML:1.5

Field Value
Value 1.5
Uncertainty
Num. used stations 6
Type of magnitude ML
Reference to an origin 73769
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 Takeoff_angle Residual Weight
--.ASS.Z. 1988-07-19T03:16:23.70 10.0 undecidable manual PN 141 0.0132 1.09 0.1
--.ARV.Z. 1988-07-19T03:16:20.36 10.0 undecidable manual PN 122 0.0119 0.34 0.8
--.CRE.Z. 1988-07-19T03:16:20.50 10.0 undecidable manual SG 146 0.0064 -0.46 0.3
--.SFI.Z. 1988-07-19T03:16:12.45 10.0 undecidable manual SG 134 0.004 0.42 0.4
--.PII.Z. 1988-07-19T03:16:11.14 10.0 undecidable manual PG 232 0.0071 -0.24 1.2
--.PGD.Z. 1988-07-19T03:16:10.98 10.0 undecidable manual SG 145 0.0036 0.36 0.5
--.RSM.Z. 1988-07-19T03:16:10.96 10.0 undecidable manual PG 110 0.0073 -0.59 0.6
--.CRE.Z. 1988-07-19T03:16:09.50 10.0 undecidable manual PG 146 0.0064 -0.35 1.1
--.BDI.Z. 1988-07-19T03:16:07.49 10.0 undecidable manual PG 255 0.0053 -0.07 1.5
--.MME.Z. 1988-07-19T03:16:05.88 10.0 undecidable manual PG 267 0.0045 0.08 1.5
--.SFI.Z. 1988-07-19T03:16:04.24 10.0 undecidable manual PG 134 0.004 -0.45 0.9
--.PGD.Z. 1988-07-19T03:16:03.97 10.0 negative manual PG 145 0.0036 0.09 3
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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