Earthquake with magnitude of Md 3.3 on date 17-06-1997 and time 04:27:53 (Italy) in region 3 km E Castel Ritaldi (PG)

A magnitude Md 3.3 earthquake occured in region: 3 km E Castel Ritaldi (PG), on

  • 17-06-1997 02:27:53 (UTC)
  • 17-06-1997 04:27:53 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.82, 12.71 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 3 3278 3278
Campello sul Clitunno PG 6 2442 5720
Trevi PG 7 8469 14189
Montefalco PG 9 5679 19868
Spoleto PG 10 38218 58086
Giano dell'Umbria PG 11 3846 61932
Vallo di Nera PG 14 364 62296
Sant'Anatolia di Narco PG 14 564 62860
Foligno PG 15 57155 120015
Bevagna PG 15 5081 125096
Scheggino PG 16 461 125557
Gualdo Cattaneo PG 16 6155 131712
Massa Martana PG 16 3770 135482
Cerreto di Spoleto PG 17 1075 136557
Sellano PG 19 1079 137636
Spello PG 19 8645 146281
Acquasparta TR 20 4778 151059

Municipalities with at least 50000 inhabitants

An earthquake occurred to
15 Km S of Foligno (57155 inhabitants)
29 Km N of Terni (111501 inhabitants)
41 Km SE of Perugia (166134 inhabitants)
67 Km NE of Viterbo (67173 inhabitants)
77 Km NW of L'Aquila (69753 inhabitants)
83 Km W of Teramo (54892 inhabitants)
91 Km N of Guidonia Montecelio (88673 inhabitants)
96 Km N of Tivoli (56533 inhabitants)
98 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 3.3
ML-VAX 2.4
1997-06-17
02:27:53
42.82 12.71 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 271459
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-06-17 02:27:53 ± 0.131
Latitude 42.82 ± 0.01
Longitude 12.71 ± 0.02
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 271459

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) 2165.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 115
Number of associated phases, regardless of their use for origin computation 45
Number of defining phases 45
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.6
Epicentral distance of station closest to the epicenter (degree) 0.00219
Epicentral distance of station farthest from the epicenter (degree) 0.0361
Number of stations at which the event was observed 35
Number of stations from which data was used for origin computation 35
Magnitudes information

Md:3.3

Field Value
Value 3.3
Uncertainty
Num. used stations 10
Type of magnitude Md
Reference to an origin 271459
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:16:35

ML:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 17
Type of magnitude ML
Reference to an origin 271459
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
--.BR9.Z. 1997-06-17T02:28:57.12 10.0 undecidable manual PN 336 0.0361 1.56 0.3
--.LT9.Z. 1997-06-17T02:28:52.40 10.0 undecidable manual PN 124 0.034 -0.01 1.4
--.CKI.Z. 1997-06-17T02:28:50.90 10.0 undecidable manual PN 297 0.0322 0.44 1.3
--.PTCC.Z. 1997-06-17T02:28:49.65 10.0 undecidable manual PN 7 0.0325 -0.39 1.3
--.CTI.Z. 1997-06-17T02:28:46.20 10.0 undecidable manual PN 347 0.0298 0.26 1.5
--.BOB.Z. 1997-06-17T02:28:43.50 10.0 undecidable manual PN 310 0.0274 1.11 0.7
--.TRI.Z. 1997-06-17T02:28:40.36 10.0 undecidable manual PN 14 0.0268 -1.06 0.8
--.MU9.Z. 1997-06-17T02:28:39.50 10.0 undecidable manual PN 133 0.0262 -1.07 0.8
--.SDI.Z. 1997-06-17T02:28:38.00 10.0 undecidable manual SN 143 0.0124 -0.25 0.8
--.SFI.Z. 1997-06-17T02:28:37.00 10.0 undecidable manual SN 330 0.0112 1.79 0.1
--.FG3.Z. 1997-06-17T02:28:37.68 10.0 undecidable manual PN 113 0.0237 0.93 1
--.CI9.Z. 1997-06-17T02:28:37.22 10.0 undecidable manual PN 137 0.0235 0.92 1
--.MRB1.Z. 1997-06-17T02:28:34.68 10.0 undecidable manual PN 134 0.0215 1.43 0.5
--.PSB1.Z. 1997-06-17T02:28:33.37 10.0 undecidable manual PN! 134 0.0201 2.24 0
--.EB9.Z. 1997-06-17T02:28:33.50 10.0 undecidable manual PN 314 0.0207 1.38 0.6
--.VTB1.Z. 1997-06-17T02:28:32.54 10.0 undecidable manual PN! 138 0.0195 2.25 0
--.RDP.Z. 1997-06-17T02:28:30.00 10.0 undecidable manual SG 179 0.0096 -0.64 0.7
--.GU9.Z. 1997-06-17T02:28:30.27 10.0 undecidable manual PN 315 0.0194 0.04 2
--.SMB1.Z. 1997-06-17T02:28:29.50 10.0 undecidable manual PN 133 0.0185 0.71 1.5
--.RMP.Z. 1997-06-17T02:28:28.00 10.0 undecidable manual SG 180 0.0091 -0.94 0.5
--.FG2.Z. 1997-06-17T02:28:28.94 10.0 undecidable manual PN 118 0.0186 -0.05 2
--.ZC9.Z. 1997-06-17T02:28:28.00 10.0 undecidable manual PN 321 0.0177 0.37 1.9
--.PQ9.Z. 1997-06-17T02:28:27.00 10.0 undecidable manual SG 147 0.0085 0.06 0.9
--.BDI.Z. 1997-06-17T02:28:26.94 10.0 undecidable manual PN 309 0.0177 -0.61 1.6
--.CPI2.Z. 1997-06-17T02:28:25.25 10.0 undecidable manual PN 135 0.0154 1.21 0.9
--.PII.Z. 1997-06-17T02:28:25.46 10.0 undecidable manual PN 300 0.0164 -0.11 2.1
--.RFI.Z. 1997-06-17T02:28:24.77 10.0 undecidable manual PN 147 0.0161 -0.29 2.1
--.DUI.Z. 1997-06-17T02:28:24.59 10.0 undecidable manual PN 131 0.0156 0.24 2.1
--.FB9.Z. 1997-06-17T02:28:24.00 10.0 undecidable manual SG 3 0.0078 -0.48 0.8
--.AQU.Z. 1997-06-17T02:28:19.00 10.0 undecidable manual SG 132 0.0062 0.3 0.8
--.ARV.Z. 1997-06-17T02:28:18.00 10.0 undecidable manual SG 13 0.0062 -0.91 0.5
--.SDI.Z. 1997-06-17T02:28:17.20 10.0 undecidable manual PN! 143 0.0124 -2.38 0
--.SFI.Z. 1997-06-17T02:28:16.75 10.0 undecidable manual PN 330 0.0112 -0.89 1.3
--.CSNT.Z. 1997-06-17T02:28:16.94 10.0 undecidable manual PN 302 0.0109 -0.32 2.1
--.RSM.Z. 1997-06-17T02:28:15.71 10.0 undecidable manual PN 350 0.01 -0.18 2.2
--.RDP.Z. 1997-06-17T02:28:12.00 10.0 undecidable manual PG! 179 0.0096 -3 0
--.RMP.Z. 1997-06-17T02:28:11.20 10.0 undecidable manual PG! 180 0.0091 -3 0
--.MNS.Z. 1997-06-17T02:28:11.00 10.0 undecidable manual SG 182 0.0039 0.44 0.8
--.FB9.Z. 1997-06-17T02:28:09.55 10.0 undecidable manual PG 3 0.0078 -1.9 0.2
--.PQ9.Z. 1997-06-17T02:28:08.50 10.0 undecidable manual PG! 147 0.0085 -4.37 0
--.ARV.Z. 1997-06-17T02:28:05.67 10.0 positive manual PG! 13 0.0062 -2.56 0
--.AQU.Z. 1997-06-17T02:28:04.30 10.0 undecidable manual PG! 132 0.0062 -4.08 0
--.ASS.Z. 1997-06-17T02:28:03.37 10.0 undecidable manual SG 349 0.0022 0.17 0.9
--.MNS.Z. 1997-06-17T02:28:02.00 10.0 positive manual PG 182 0.0039 -1.41 1.2
--.ASS.Z. 1997-06-17T02:27:58.69 10.0 negative manual PG 349 0.0022 -0.47 3.8
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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