Earthquake with magnitude of Md 2.1 on date 25-03-1998 and time 17:02:40 (Italy) in region 2 km S Polinago (MO)

A magnitude Md 2.1 earthquake occured in region: 2 km S Polinago (MO), on

  • 25-03-1998 16:02:40 (UTC)
  • 25-03-1998 17:02:40 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.3310, 10.7200 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
Polinago MO 2 1672 1672
Lama Mocogno MO 3 2734 4406
Palagano MO 6 2194 6600
Montefiorino MO 8 2203 8803
Montecreto MO 9 940 9743
Pavullo nel Frignano MO 9 17383 27126
Serramazzoni MO 12 8282 35408
Sestola MO 12 2508 37916
Prignano sulla Secchia MO 12 3747 41663
Frassinoro MO 12 1926 43589
Riolunato MO 12 712 44301
Toano RE 14 4463 48764
Fanano MO 15 2989 51753
Pievepelago MO 16 2222 53975
Fiumalbo MO 18 1280 55255
Montese MO 19 3353 58608
Castellarano RE 20 15232 73840

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km SW of Modena (184973 inhabitants)
41 Km S of Reggio nell'Emilia (171345 inhabitants)
47 Km NW of Pistoia (90315 inhabitants)
52 Km S of Carpi (70699 inhabitants)
53 Km W of Bologna (386663 inhabitants)
56 Km NE of Massa (69479 inhabitants)
57 Km NE of Lucca (89046 inhabitants)
57 Km E of Carrara (63133 inhabitants)
58 Km NW of Prato (191150 inhabitants)
61 Km SE of Parma (192836 inhabitants)
64 Km NE of Viareggio (62467 inhabitants)
73 Km NE of Pisa (89158 inhabitants)
74 Km NW of Scandicci (50609 inhabitants)
75 Km E of La Spezia (93959 inhabitants)
76 Km NW of Firenze (382808 inhabitants)
79 Km W of Imola (69797 inhabitants)
91 Km SW of Ferrara (133155 inhabitants)
93 Km NE of Livorno (159219 inhabitants)
93 Km W of Faenza (58541 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 1998-03-25
16:02:40
44.331 10.72 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 328319
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1998-03-25 16:02:40 ± 0.459
Latitude 44.3310 ± 0.0350
Longitude 10.7200 ± 0.0289
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 328319

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) 4517.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 151
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) 1.1
Epicentral distance of station closest to the epicenter (degree) 0.00081
Epicentral distance of station farthest from the epicenter (degree) 0.00251
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:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 328319
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 22:07:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.BDI.Z. 1998-03-25T16:02:52.64 10.0 undecidable manual SG 198 0.2775 1.12 0.4
--.EB9.Z. 1998-03-25T16:02:50.40 10.0 undecidable manual SG 291 0.2331 0.63 0.7
--.ZC9.Z. 1998-03-25T16:02:49.73 10.0 undecidable manual SG 83 0.1776 1.89 0.2
--.GU9.Z. 1998-03-25T16:02:45.97 10.0 undecidable manual SG 281 0.0888 1.37 0.4
--.BDI.Z. 1998-03-25T16:02:45.64 10.0 undecidable manual PG 198 0.2775 -1.22 1
--.EB9.Z. 1998-03-25T16:02:44.44 10.0 undecidable manual PG 291 0.2331 -1.41 1
--.ZC9.Z. 1998-03-25T16:02:43.46 10.0 positive manual PG 83 0.1776 -1.27 2.4
--.GU9.Z. 1998-03-25T16:02:42.24 10.0 undecidable manual PG 281 0.0888 -0.63 1.8
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