Earthquake with magnitude of Md 2.2 on date 12-09-1998 and time 10:43:16 (UTC) in region 6 km W Fiuminata (MC)

A magnitude Md 2.2 earthquake occured in region: 6 km W Fiuminata (MC), on

  • 12-09-1998 10:43:16 (UTC)
  • 12-09-1998 12:43:16 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1830, 12.8580 at 17 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
Fiuminata MC 6 1402 1402
Gualdo Tadino PG 8 15208 16610
Sefro MC 9 422 17032
Nocera Umbra PG 10 5839 22871
Pioraco MC 10 1134 24005
Esanatoglia MC 11 2034 26039
Serravalle di Chienti MC 15 1070 27109
Fossato di Vico PG 15 2840 29949
Matelica MC 15 9981 39930
Valtopina PG 16 1398 41328
Castelraimondo MC 17 4587 45915
Fabriano AN 18 31480 77395
Camerino MC 18 6974 84369
Gagliole MC 18 620 84989
Cerreto d'Esi AN 19 3817 88806
Muccia MC 19 915 89721
Sigillo PG 19 2404 92125

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km NE of Foligno (57155 inhabitants)
39 Km E of Perugia (166134 inhabitants)
71 Km N of Terni (111501 inhabitants)
72 Km SW of Ancona (100861 inhabitants)
75 Km S of Fano (60888 inhabitants)
81 Km S of Pesaro (94582 inhabitants)
85 Km E of Arezzo (99543 inhabitants)
90 Km NW of Teramo (54892 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
ML-VAX 1.5
1998-09-12
10:43:16
43.183 12.858 17 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 350899
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1998-09-12 10:43:16 ± 0.432
Latitude 43.1830 ± 0.0162
Longitude 12.8580 ± 0.0348
Depth (km) 17 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 350899

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) 3345.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 122
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
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) 0.00081
Epicentral distance of station farthest from the epicenter (degree) 0.00453
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitudes information

Md:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 350899
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 22:28:43

ML:1.5

Field Value
Value 1.5
Uncertainty
Num. used stations 2
Type of magnitude ML
Reference to an origin 350899
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
--.FB9.Z. 1998-09-12T10:43:35.10 10.0 undecidable manual SG 353 0.4995 -0.41 0.4
--.NRCA.Z. 1998-09-12T10:43:30.19 10.0 undecidable manual SG 151 0.3996 -1.58 0
--.ARV.Z. 1998-09-12T10:43:29.50 10.0 undecidable manual SG 11 0.3108 0.05 0.7
--.FB9.Z. 1998-09-12T10:43:27.37 10.0 undecidable manual PG 353 0.4995 -0.22 1.3
--.NRCA.Z. 1998-09-12T10:43:26.27 10.0 undecidable manual PG 151 0.3996 0.78 0.5
--.ASS.Z. 1998-09-12T10:43:25.71 10.0 undecidable manual SG 231 0.1887 0.03 0.8
--.ARV.Z. 1998-09-12T10:43:24.22 10.0 undecidable manual PG 11 0.3108 0.07 1.9
--.SNTG.Z. 1998-09-12T10:43:23.24 10.0 undecidable manual SG 40 0.0888 -0.08 0.8
--.ASS.Z. 1998-09-12T10:43:21.92 10.0 undecidable manual PG 231 0.1887 -0.05 1.9
--.SNTG.Z. 1998-09-12T10:43:20.84 10.0 undecidable manual PG 40 0.0888 0.23 1.7
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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