Earthquake with magnitude of Md 2.2 on date 26-09-1997 and time 12:19:31 (UTC) in region 5 km SW Cannara (PG)

A magnitude Md 2.2 earthquake occured in region: 5 km SW Cannara (PG), on

  • 26-09-1997 12:19:31 (UTC)
  • 26-09-1997 14:19:31 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9620, 12.5420 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
Cannara PG 5 4305 4305
Gualdo Cattaneo PG 6 6155 10460
Bevagna PG 6 5081 15541
Bettona PG 7 4367 19908
Deruta PG 10 9669 29577
Collazzone PG 11 3473 33050
Spello PG 11 8645 41695
Torgiano PG 11 6725 48420
Bastia Umbra PG 12 21874 70294
Montefalco PG 12 5679 75973
Foligno PG 13 57155 133128
Assisi PG 14 28299 161427
Giano dell'Umbria PG 15 3846 165273
Marsciano PG 17 18902 184175
Fratta Todina PG 18 1839 186014
Castel Ritaldi PG 19 3278 189292
Trevi PG 19 8469 197761

Municipalities with at least 50000 inhabitants

An earthquake occurred to
13 Km W of Foligno (57155 inhabitants)
20 Km SE of Perugia (166134 inhabitants)
45 Km N of Terni (111501 inhabitants)
70 Km NE of Viterbo (67173 inhabitants)
78 Km SE of Arezzo (99543 inhabitants)
98 Km NW of L'Aquila (69753 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 1997-09-26
12:19:31
42.962 12.542 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 279559
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-09-26 12:19:31 ± 0.273
Latitude 42.9620 ± 0.0153
Longitude 12.5420 ± 0.0298
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 279559

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) 2966.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 157
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.7
Epicentral distance of station closest to the epicenter (degree) 0.00113
Epicentral distance of station farthest from the epicenter (degree) 0.01012
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

Md:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 279559
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:23:59
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.PQ9.Z. 1997-09-26T12:20:09.21 10.0 undecidable manual SN 145 1.1211 -0.84 0.5
--.SFI.Z. 1997-09-26T12:20:07.67 10.0 undecidable manual SG 332 1.0656 -0.72 0.5
--.AQU.Z. 1997-09-26T12:20:02.94 10.0 undecidable manual SG 133 0.8769 0.65 0.6
--.CRE.Z. 1997-09-26T12:19:59.49 10.0 undecidable manual SG 327 0.777 0.16 0.9
--.PQ9.Z. 1997-09-26T12:19:54.23 10.0 undecidable manual PN 145 1.1211 0.57 1.5
--.SFI.Z. 1997-09-26T12:19:53.28 10.0 undecidable manual PG 332 1.0656 0.58 1.5
--.MNS.Z. 1997-09-26T12:19:51.29 10.0 undecidable manual SG 169 0.5883 -1.66 0.1
--.AQU.Z. 1997-09-26T12:19:50.65 10.0 undecidable manual PG 133 0.8769 1.47 0.5
--.CRE.Z. 1997-09-26T12:19:47.68 10.0 undecidable manual PG 327 0.777 0.21 2.2
--.MNS.Z. 1997-09-26T12:19:42.92 10.0 undecidable manual PG 169 0.5883 -0.86 1.4
--.ASS.Z. 1997-09-26T12:19:36.00 10.0 undecidable manual SG 39 0.1221 -0.51 0.8
--.ASS.Z. 1997-09-26T12:19:33.50 10.0 undecidable manual PG 39 0.1221 -0.79 1.5
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