Earthquake with magnitude of Md 2.1 on date 10-12-1998 and time 20:59:02 (Italy) in region 7 km NE Verghereto (FC)

A magnitude Md 2.1 earthquake occured in region: 7 km NE Verghereto (FC), on

  • 10-12-1998 19:59:02 (UTC)
  • 10-12-1998 20:59:02 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.8450, 12.0670 at 16 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
Verghereto FC 7 1907 1907
Bagno di Romagna FC 7 6026 7933
Casteldelci RN 9 407 8340
Sarsina FC 10 3446 11786
Sant'Agata Feltria RN 12 2151 13937
Pennabilli RN 16 2869 16806
Mercato Saraceno FC 16 6886 23692
Santa Sofia FC 17 4136 27828
Badia Tedalda AR 18 1087 28915
Novafeltria RN 19 7164 36079
Talamello RN 19 1104 37183
Chiusi della Verna AR 19 2023 39206
Pieve Santo Stefano AR 20 3183 42389
Maiolo RN 20 848 43237

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km SW of Cesena (96758 inhabitants)
42 Km S of Forlì (117913 inhabitants)
45 Km NE of Arezzo (99543 inhabitants)
47 Km SW of Rimini (147750 inhabitants)
51 Km SE of Faenza (58541 inhabitants)
63 Km SE of Imola (69797 inhabitants)
65 Km S of Ravenna (159116 inhabitants)
66 Km E of Firenze (382808 inhabitants)
68 Km W of Pesaro (94582 inhabitants)
72 Km E of Scandicci (50609 inhabitants)
77 Km W of Fano (60888 inhabitants)
78 Km E of Prato (191150 inhabitants)
83 Km NE of Siena (53903 inhabitants)
86 Km NW of Perugia (166134 inhabitants)
93 Km SE of Bologna (386663 inhabitants)
93 Km E of Pistoia (90315 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 1998-12-10
19:59:02
43.845 12.067 16 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 356229
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1998-12-10 19:59:02 ± 0.657
Latitude 43.8450 ± 0.0247
Longitude 12.0670 ± 0.0650
Depth (km) 16 ± 6 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 356229

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) 5889.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 269
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) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00146
Epicentral distance of station farthest from the epicenter (degree) 0.00219
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 3
Type of magnitude Md
Reference to an origin 356229
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 22:33:54
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.CRE.Z. 1998-12-10T19:59:12.48 10.0 undecidable manual SG 200 0.2331 0.22 0.3
--.PGD.Z. 1998-12-10T19:59:12.99 10.0 undecidable manual SG 276 0.2442 0.39 0.1
--.SFI.Z. 1998-12-10T19:59:10.44 10.0 undecidable manual SG 290 0.1665 0.2 0.4
--.SR3.Z. 1998-12-10T19:59:09.60 10.0 undecidable manual SG 282 0.1665 -0.69 0
--.PGD.Z. 1998-12-10T19:59:08.16 10.0 positive manual PG 276 0.2442 -0.09 2.2
--.CRE.Z. 1998-12-10T19:59:08.00 10.0 negative manual PG 200 0.2331 -0.05 2.4
--.SFI.Z. 1998-12-10T19:59:07.12 10.0 undecidable manual PG 290 0.1665 0.23 0.8
--.SR3.Z. 1998-12-10T19:59:06.00 10.0 negative manual PG 282 0.1665 -0.92 0
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