Earthquake with magnitude of Md 2.0 on date 26-09-1997 and time 15:00:03 (Italy) in region 7 km SW Serravalle di Chienti (MC)

A magnitude Md 2.0 earthquake occured in region: 7 km SW Serravalle di Chienti (MC), on

  • 26-09-1997 13:00:03 (UTC)
  • 26-09-1997 15:00:03 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0240, 12.9010 at 7 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
Serravalle di Chienti MC 7 1070 1070
Monte Cavallo MC 9 145 1215
Pieve Torina MC 12 1458 2673
Valtopina PG 13 1398 4071
Nocera Umbra PG 13 5839 9910
Muccia MC 13 915 10825
Sefro MC 14 422 11247
Sellano PG 15 1079 12326
Fiordimonte MC 16 202 12528
Pievebovigliana MC 16 866 13394
Foligno PG 18 57155 70549
Visso MC 18 1107 71656
Camerino MC 19 6974 78630
Pioraco MC 19 1134 79764
Fiuminata MC 19 1402 81166
Spello PG 19 8645 89811
Preci PG 20 724 90535

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km E of Foligno (57155 inhabitants)
43 Km E of Perugia (166134 inhabitants)
55 Km NE of Terni (111501 inhabitants)
77 Km NW of Teramo (54892 inhabitants)
83 Km SW of Ancona (100861 inhabitants)
85 Km NW of L'Aquila (69753 inhabitants)
92 Km S of Fano (60888 inhabitants)
94 Km NE of Viterbo (67173 inhabitants)
96 Km SE of Arezzo (99543 inhabitants)
99 Km S of Pesaro (94582 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 2.0 1997-09-26
13:00:03
43.024 12.901 7 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 279679
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-09-26 13:00:03 ± 0.512
Latitude 43.0240 ± 0.0082
Longitude 12.9010 ± 0.0423
Depth (km) 7 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 279679

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) 3560.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 148
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) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00162
Epicentral distance of station farthest from the epicenter (degree) 0.01328
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

Md:2.0

Field Value
Value 2.0
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 279679
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:24:05
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.SDI.Z. 1997-09-26T13:00:49.22 10.0 undecidable manual SN 152 1.4763 -0.5 0.2
--.SDI.Z. 1997-09-26T13:00:31.17 10.0 undecidable manual PN 152 1.4763 1.04 0.3
--.MNS.Z. 1997-09-26T13:00:27.70 10.0 undecidable manual SG 194 0.6549 0.08 0.8
--.FB9.Z. 1997-09-26T13:00:27.53 10.0 undecidable manual SG 352 0.666 0.06 0.6
--.ARV.Z. 1997-09-26T13:00:20.48 10.0 undecidable manual SG 3 0.4662 -0.63 0.5
--.FB9.Z. 1997-09-26T13:00:17.39 10.0 undecidable manual PG 352 0.666 0.1 2.1
--.MNS.Z. 1997-09-26T13:00:16.78 10.0 undecidable manual PG 194 0.6549 -0.23 1.5
--.ARV.Z. 1997-09-26T13:00:13.64 10.0 undecidable manual PG 3 0.4662 0.03 2.1
--.ASS.Z. 1997-09-26T13:00:11.42 10.0 undecidable manual SG 281 0.1776 0.47 0.3
--.ASS.Z. 1997-09-26T13:00:07.48 10.0 undecidable manual PG 281 0.1776 -0.27 1.5
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download