Earthquake with magnitude of Md 3.0 on date 03-06-1997 and time 23:43:36 (Italy) in region 5 km SW Castel Ritaldi (PG)

A magnitude Md 3.0 earthquake occured in region: 5 km SW Castel Ritaldi (PG), on

  • 03-06-1997 21:43:36 (UTC)
  • 03-06-1997 23:43:36 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.79, 12.63 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
Castel Ritaldi PG 5 3278 3278
Giano dell'Umbria PG 6 3846 7124
Massa Martana PG 9 3770 10894
Spoleto PG 11 38218 49112
Montefalco PG 12 5679 54791
Campello sul Clitunno PG 13 2442 57233
Acquasparta TR 13 4778 62011
Trevi PG 14 8469 70480
Gualdo Cattaneo PG 14 6155 76635
Bevagna PG 16 5081 81716
Todi PG 18 16851 98567
Sant'Anatolia di Narco PG 18 564 99131
Scheggino PG 19 461 99592
Collazzone PG 19 3473 103065
Vallo di Nera PG 19 364 103429
Foligno PG 19 57155 160584
Montecastrilli TR 19 5022 165606

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km SW of Foligno (57155 inhabitants)
26 Km N of Terni (111501 inhabitants)
40 Km SE of Perugia (166134 inhabitants)
60 Km NE of Viterbo (67173 inhabitants)
80 Km NW of L'Aquila (69753 inhabitants)
88 Km N of Guidonia Montecelio (88673 inhabitants)
89 Km W of Teramo (54892 inhabitants)
93 Km N of Tivoli (56533 inhabitants)
96 Km SE of Arezzo (99543 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 3.0
ML-VAX 2.0
1997-06-03
21:43:36
42.79 12.63 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 270139
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-06-03 21:43:36 ± 0.184
Latitude 42.79 ± 0.01
Longitude 12.63 ± 0.03
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 270139

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) 2424.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 128
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.00243
Epicentral distance of station farthest from the epicenter (degree) 0.01748
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitudes information

Md:3

Field Value
Value 3
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 270139
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:15:22

ML:2

Field Value
Value 2
Uncertainty
Num. used stations 8
Type of magnitude ML
Reference to an origin 270139
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 Takeoff_angle Residual Weight
--.RMP.Z. 1997-06-03T21:44:11.94 10.0 undecidable manual SG 176 0.0088 0.94 0.3
--.BDI.Z. 1997-06-03T21:44:10.98 10.0 undecidable manual PN 311 0.0175 0.82 0.5
--.FB9.Z. 1997-06-03T21:44:07.50 10.0 undecidable manual SG 6 0.0081 -1.05 0.2
--.ARV.Z. 1997-06-03T21:44:03.71 10.0 undecidable manual SG 17 0.0066 0.41 0.7
--.SDI.Z. 1997-06-03T21:44:03.55 10.0 undecidable manual PN 140 0.0125 1.01 0.4
--.AQU.Z. 1997-06-03T21:44:02.35 10.0 undecidable manual SG 127 0.0064 -0.16 0.8
--.SFI.Z. 1997-06-03T21:44:01.18 10.0 undecidable manual PN 333 0.0112 0.61 1
--.CSNT.Z. 1997-06-03T21:43:58.81 10.0 undecidable manual PN 305 0.0107 -0.95 0.6
--.PQ9.Z. 1997-06-03T21:43:56.26 10.0 undecidable manual PG 143 0.0086 0.25 1.8
--.FB9.Z. 1997-06-03T21:43:55.36 10.0 undecidable manual PG 6 0.0081 0.31 1.8
--.RMP.Z. 1997-06-03T21:43:55.86 10.0 undecidable manual PG 176 0.0088 -0.6 1.2
--.MNS.Z. 1997-06-03T21:43:52.40 10.0 undecidable manual SG 174 0.0036 -0.06 0.8
--.AQU.Z. 1997-06-03T21:43:51.32 10.0 undecidable manual PG 127 0.0064 -0.24 1.9
--.ARV.Z. 1997-06-03T21:43:51.40 10.0 undecidable manual PG 17 0.0066 -0.62 1.3
--.ASS.Z. 1997-06-03T21:43:47.17 10.0 undecidable manual SG 3 0.0024 0.02 0.8
--.MNS.Z. 1997-06-03T21:43:45.00 10.0 undecidable manual PG 174 0.0036 -0.76 1
--.ASS.Z. 1997-06-03T21:43:42.69 10.0 undecidable manual PG 3 0.0024 -0.01 2
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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