Earthquake with magnitude of Md 2.5 on date 21-03-1994 and time 21:43:12 (Italy) in region 1 km NE Cannara (PG)

A magnitude Md 2.5 earthquake occured in region: 1 km NE Cannara (PG), on

  • 21-03-1994 20:43:12 (UTC)
  • 21-03-1994 21:43:12 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.0020, 12.5900 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
Cannara PG 1 4305 4305
Spello PG 7 8645 12950
Bevagna PG 8 5081 18031
Bastia Umbra PG 8 21874 39905
Assisi PG 8 28299 68204
Bettona PG 9 4367 72571
Foligno PG 11 57155 129726
Gualdo Cattaneo PG 11 6155 135881
Torgiano PG 13 6725 142606
Montefalco PG 13 5679 148285
Deruta PG 14 9669 157954
Valtopina PG 15 1398 159352
Collazzone PG 17 3473 162825
Valfabbrica PG 18 3389 166214
Giano dell'Umbria PG 19 3846 170060
Trevi PG 19 8469 178529

Municipalities with at least 50000 inhabitants

An earthquake occurred to
11 Km W of Foligno (57155 inhabitants)
20 Km SE of Perugia (166134 inhabitants)
49 Km N of Terni (111501 inhabitants)
76 Km NE of Viterbo (67173 inhabitants)
77 Km SE of Arezzo (99543 inhabitants)
98 Km NW of L'Aquila (69753 inhabitants)
99 Km W of Teramo (54892 inhabitants)
100 Km SW of Fano (60888 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 2.5
ML-VAX 1.9
1994-03-21
20:43:12
43.002 12.59 7 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 206769
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1994-03-21 20:43:12 ± 0.37
Latitude 43.0020 ± 0.0167
Longitude 12.5900 ± 0.0379
Depth (km) 7 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 206769

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) 3599.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 149
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 11
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) 0.00065
Epicentral distance of station farthest from the epicenter (degree) 0.00939
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitudes information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 206769
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 20:14:45

ML:1.9

Field Value
Value 1.9
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 206769
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
--.SFI.Z. 1994-03-21T20:43:48.28 10.0 undecidable manual SG 329 1.0434 0.1 0.5
--.AQU.Z. 1994-03-21T20:43:43.67 10.0 undecidable manual SG 137 0.8769 0.91 0.3
--.SFI.Z. 1994-03-21T20:43:33.92 10.0 undecidable manual PG 329 1.0434 1.01 0.6
--.ARV.Z. 1994-03-21T20:43:33.50 10.0 undecidable manual SG 27 0.555 0.62 0.5
--.MNS.Z. 1994-03-21T20:43:33.81 10.0 undecidable manual SG 173 0.6216 -0.59 0.5
--.AQU.Z. 1994-03-21T20:43:31.20 10.0 undecidable manual PG 137 0.8769 1.24 0.5
--.CRE.Z. 1994-03-21T20:43:28.80 10.0 undecidable manual PG 323 0.7659 0.3 1.5
--.MNS.Z. 1994-03-21T20:43:23.78 10.0 undecidable manual PG 173 0.6216 -1.18 0.6
--.ARV.Z. 1994-03-21T20:43:22.86 10.0 positive manual PG 27 0.555 -0.96 1.8
--.ASS.Z. 1994-03-21T20:43:16.51 10.0 undecidable manual SG 37 0.0666 0.57 0.6
--.ASS.Z. 1994-03-21T20:43:14.21 10.0 positive manual PG 37 0.0666 -0.09 3.5
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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