Earthquake with magnitude of Md 2.2 on date 09-02-1998 and time 09:11:44 (Italy) in region 5 km E Monteleone di Spoleto (PG)

A magnitude Md 2.2 earthquake occured in region: 5 km E Monteleone di Spoleto (PG), on

  • 09-02-1998 08:11:44 (UTC)
  • 09-02-1998 09:11:44 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.64, 13 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
Monteleone di Spoleto PG 5 599 599
Leonessa RI 9 2435 3034
Cascia PG 9 3217 6251
Poggiodomo PG 10 117 6368
Cittareale RI 13 482 6850
Polino TR 14 233 7083
Posta RI 15 694 7777
Scheggino PG 17 461 8238
Borbona RI 17 617 8855
Sant'Anatolia di Narco PG 18 564 9419
Ferentillo TR 18 1913 11332
Poggio Bustone RI 18 2055 13387
Rivodutri RI 18 1253 14640
Morro Reatino RI 19 373 15013
Vallo di Nera PG 19 364 15377
Norcia PG 19 4957 20334
Montefranco TR 20 1276 21610

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km E of Terni (111501 inhabitants)
43 Km SE of Foligno (57155 inhabitants)
45 Km NW of L'Aquila (69753 inhabitants)
57 Km W of Teramo (54892 inhabitants)
73 Km SE of Perugia (166134 inhabitants)
74 Km NE of Guidonia Montecelio (88673 inhabitants)
77 Km N of Tivoli (56533 inhabitants)
78 Km E of Viterbo (67173 inhabitants)
93 Km NE of Roma (2864731 inhabitants)
95 Km W of Montesilvano (53738 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 2.2 1998-02-09
08:11:44
42.64 13 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 322639
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1998-02-09 08:11:44 ± 0.255
Latitude 42.64 ± 0.01
Longitude 13.00 ± 0.03
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 322639

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) 2376.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 201
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) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00186
Epicentral distance of station farthest from the epicenter (degree) 0.0055
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:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 322639
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 22:02:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.SNTG.Z. 1998-02-09T08:12:06.53 10.0 undecidable manual SG 355 0.0055 0.53 0.3
--.ASS.Z. 1998-02-09T08:12:02.11 10.0 undecidable manual SG 329 0.0045 0.03 0.8
--.MNS.Z. 1998-02-09T08:11:57.83 10.0 undecidable manual SG 223 0.0031 0.64 0.3
--.SNTG.Z. 1998-02-09T08:11:56.20 10.0 undecidable manual PG 355 0.0055 -0.57 0.7
--.ASS.Z. 1998-02-09T08:11:54.54 10.0 undecidable manual PG 329 0.0045 0.03 2.1
--.NRCA.Z. 1998-02-09T08:11:52.62 10.0 undecidable manual SG 22 0.0019 -0.3 0.7
--.MNS.Z. 1998-02-09T08:11:51.38 10.0 undecidable manual PG 223 0.0031 -0.31 1.8
--.NRCA.Z. 1998-02-09T08:11:49.71 10.0 undecidable manual PG 22 0.0019 0.49 1.2
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
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