Earthquake with magnitude of Md 4.6 on date 12-05-1997 and time 13:50:15 (UTC) in region 4 km SE Giano dell'Umbria (PG)

A magnitude Md 4.6 earthquake occured in region: 4 km SE Giano dell'Umbria (PG), on

  • 12-05-1997 13:50:15 (UTC)
  • 12-05-1997 15:50:15 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8, 12.6 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
Giano dell'Umbria PG 4 3846 3846
Castel Ritaldi PG 7 3278 7124
Massa Martana PG 7 3770 10894
Montefalco PG 11 5679 16573
Gualdo Cattaneo PG 12 6155 22728
Acquasparta TR 13 4778 27506
Spoleto PG 14 38218 65724
Bevagna PG 15 5081 70805
Trevi PG 15 8469 79274
Campello sul Clitunno PG 15 2442 81716
Todi PG 16 16851 98567
Collazzone PG 16 3473 102040
Foligno PG 19 57155 159195
Montecastrilli TR 19 5022 164217
Fratta Todina PG 20 1839 166056

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km SW of Foligno (57155 inhabitants)
27 Km N of Terni (111501 inhabitants)
38 Km SE of Perugia (166134 inhabitants)
59 Km NE of Viterbo (67173 inhabitants)
83 Km NW of L'Aquila (69753 inhabitants)
90 Km N of Guidonia Montecelio (88673 inhabitants)
92 Km W of Teramo (54892 inhabitants)
94 Km SE of Arezzo (99543 inhabitants)
95 Km N of Tivoli (56533 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 4.6
ML-VAX 4.2
1997-05-12
13:50:15
42.81 12.6 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 267859
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-05-12 13:50:15 ± 0.183
Latitude 42.81 ± 0.02
Longitude 12.60 ± 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 267859

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) 3266.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 126
Number of associated phases, regardless of their use for origin computation 67
Number of defining phases 67
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 1.5
Epicentral distance of station closest to the epicenter (degree) 0.00227
Epicentral distance of station farthest from the epicenter (degree) 0.04865
Number of stations at which the event was observed 65
Number of stations from which data was used for origin computation 65
Magnitudes information

Md:4.6

Field Value
Value 4.6
Uncertainty
Num. used stations 6
Type of magnitude Md
Reference to an origin 267859
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:13:14

ML:4.2

Field Value
Value 4.2
Uncertainty
Num. used stations 25
Type of magnitude ML
Reference to an origin 267859
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
--.CTI.Z. 1997-05-12T13:51:44.26 10.0 undecidable manual SN 348 0.0298 -2.18 0
--.SOI.Z. 1997-05-12T13:51:39.17 10.0 undecidable manual PN 149 0.0486 2.17 0
--.MO9.Z. 1997-05-12T13:51:38.90 10.0 undecidable manual PN 152 0.0481 1.96 0
--.BOB.Z. 1997-05-12T13:51:38.63 10.0 undecidable manual SN 311 0.027 -0.45 0
--.MNO.Z. 1997-05-12T13:51:35.71 10.0 undecidable manual PN 161 0.0461 2.64 0
--.ATN.Z. 1997-05-12T13:51:34.44 10.0 undecidable manual PN 153 0.0461 1.3 0
--.SC9.Z. 1997-05-12T13:51:34.71 10.0 undecidable manual PN 151 0.0461 1.63 0
--.GIB.Z. 1997-05-12T13:51:32.66 10.0 undecidable manual PN 166 0.0444 2.21 0
--.GRI.Z. 1997-05-12T13:51:32.57 10.0 undecidable manual PN 142 0.0443 2.31 0
--.LCI.Z. 1997-05-12T13:51:31.12 10.0 undecidable manual PN 119 0.0432 2.42 0
--.BNI.Z. 1997-05-12T13:51:30.22 10.0 undecidable manual PN 299 0.0433 1.41 0
--.SA1.Z. 1997-05-12T13:51:26.76 10.0 undecidable manual PN 157 0.041 1.36 0
--.MCGN.Z. 1997-05-12T13:51:26.55 10.0 undecidable manual PN 315 0.041 1.28 0
--.ORO.Z. 1997-05-12T13:51:23.44 10.0 undecidable manual PN 312 0.0391 1.07 0
--.TDS.Z. 1997-05-12T13:51:23.54 10.0 undecidable manual PN 137 0.0379 2.93 0
--.CGL.Z. 1997-05-12T13:51:21.80 10.0 undecidable manual PN 216 0.0381 0.09 0
--.VAI.Z. 1997-05-12T13:51:20.72 10.0 undecidable manual PN 319 0.0369 1.66 0
--.DOI.Z. 1997-05-12T13:51:20.51 10.0 undecidable manual PN 295 0.038 -0.21 0
--.ORI.Z. 1997-05-12T13:51:20.86 10.0 undecidable manual PN 132 0.0359 3.42 0
--.BR9.Z. 1997-05-12T13:51:19.11 10.0 undecidable manual PN 337 0.0359 1.55 0
--.BRT.Z. 1997-05-12T13:51:17.78 10.0 undecidable manual PN 118 0.0351 1.53 0
--.LT9.Z. 1997-05-12T13:51:16.95 10.0 undecidable manual PN 123 0.0346 1.48 0
--.PTCC.Z. 1997-05-12T13:51:13.13 10.0 undecidable manual PN 8 0.0327 0.46 0
--.GE9.Z. 1997-05-12T13:51:11.68 10.0 undecidable manual PN 6 0.0314 0.99 0
--.CKI.Z. 1997-05-12T13:51:10.28 10.0 undecidable manual PN 298 0.0316 -0.71 0
--.SL9.Z. 1997-05-12T13:51:09.97 10.0 undecidable manual PN 135 0.0298 1.77 0
--.CTI.Z. 1997-05-12T13:51:08.87 10.0 undecidable manual PN 348 0.0298 0.7 0
--.SAL.Z. 1997-05-12T13:51:08.10 10.0 undecidable manual PN 332 0.0285 1.78 0
--.VVI.Z. 1997-05-12T13:51:07.61 10.0 undecidable manual PN 357 0.0286 1.27 0
--.BOB.Z. 1997-05-12T13:51:05.10 10.0 undecidable manual PN 311 0.027 1.09 0
--.TRI.Z. 1997-05-12T13:51:04.50 10.0 undecidable manual PN 15 0.0271 -0.13 0
--.SGO.Z. 1997-05-12T13:51:04.64 10.0 undecidable manual PN 137 0.0272 0.44 0
--.MU9.Z. 1997-05-12T13:51:04.47 10.0 undecidable manual PN 132 0.0267 0.98 0
--.CA9.Z. 1997-05-12T13:51:04.85 10.0 undecidable manual PN 131 0.0256 3.04 0
--.FG4.Z. 1997-05-12T13:51:02.99 10.0 undecidable manual PN 126 0.0246 2.66 0
--.FG3.Z. 1997-05-12T13:51:01.46 10.0 undecidable manual PN 112 0.0244 1.52 0
--.FG5.Z. 1997-05-12T13:50:59.42 10.0 undecidable manual PN 126 0.0224 2.39 0.3
--.CI9.Z. 1997-05-12T13:50:59.42 10.0 undecidable manual PN 136 0.0239 0.27 0
--.DSB1.Z. 1997-05-12T13:50:57.18 10.0 undecidable manual PN 129 0.0209 2.5 0.7
--.MRB1.Z. 1997-05-12T13:50:57.36 10.0 undecidable manual PN 132 0.0219 1.2 0.5
--.PSB1.Z. 1997-05-12T13:50:55.12 10.0 undecidable manual PN 133 0.0205 1.09 0.8
--.EB9.Z. 1997-05-12T13:50:55.36 10.0 undecidable manual PN 316 0.0203 1.64 1
--.FG2.Z. 1997-05-12T13:50:53.38 10.0 undecidable manual PN 116 0.0193 1.24 1.1
--.VTB1.Z. 1997-05-12T13:50:53.77 10.0 undecidable manual PN 136 0.0199 0.64 0.9
--.SMB1.Z. 1997-05-12T13:50:53.38 10.0 undecidable manual PN 131 0.0189 1.66 1.2
--.GU9.Z. 1997-05-12T13:50:52.13 10.0 undecidable manual PN 317 0.019 0.28 1.3
--.ZC9.Z. 1997-05-12T13:50:51.42 10.0 undecidable manual PN 323 0.0174 2.07 1.6
--.CPI2.Z. 1997-05-12T13:50:48.30 10.0 undecidable manual PN 133 0.0159 1.1 1.9
--.BDI.Z. 1997-05-12T13:50:48.34 10.0 undecidable manual PN 311 0.0172 -0.73 1.7
--.DUI.Z. 1997-05-12T13:50:48.62 10.0 undecidable manual PN 129 0.0161 1.31 1.8
--.RFI.Z. 1997-05-12T13:50:48.51 10.0 undecidable manual PN 145 0.0164 0.77 1.8
--.PII.Z. 1997-05-12T13:50:45.80 10.0 undecidable manual PN 302 0.0159 -1.14 2
--.SEI.Z. 1997-05-12T13:50:44.42 10.0 undecidable manual PN 324 0.0138 0.58 2.5
--.PTF.Z. 1997-05-12T13:50:44.33 10.0 undecidable manual PN 316 0.0143 -0.36 2.4
--.LMD.Z. 1997-05-12T13:50:42.85 10.0 undecidable manual PN 333 0.0127 0.64 2.7
--.SDI.Z. 1997-05-12T13:50:41.79 10.0 undecidable manual PN 140 0.0127 -0.37 2.6
--.VMG.Z. 1997-05-12T13:50:41.46 10.0 undecidable manual PN 326 0.0125 -0.29 2.8
--.SFI.Z. 1997-05-12T13:50:38.99 10.0 undecidable manual PN 333 0.011 -0.56 3.1
--.RSM.Z. 1997-05-12T13:50:38.33 10.0 undecidable manual PN 354 0.0101 0.12 3.3
--.CSNT.Z. 1997-05-12T13:50:37.16 10.0 positive manual PN 305 0.0104 -1.52 3.3
--.RMP.Z. 1997-05-12T13:50:33.98 10.0 negative manual PG 175 0.0089 -2.02 3.5
--.PQ9.Z. 1997-05-12T13:50:33.13 10.0 positive manual PG 142 0.0088 -2.61 3.5
--.FB9.Z. 1997-05-12T13:50:32.47 10.0 positive manual PG 8 0.008 -1.69 3.7
--.ARV.Z. 1997-05-12T13:50:29.57 10.0 positive manual PG 19 0.0066 -1.66 3.7
--.AQU.Z. 1997-05-12T13:50:29.39 10.0 undecidable manual PG 127 0.0066 -1.95 3.7
--.MNS.Z. 1997-05-12T13:50:22.70 10.0 undecidable manual PG 171 0.0038 -2.68 3.7
--.ASS.Z. 1997-05-12T13:50:21.15 10.0 positive manual PG 9 0.0023 -0.61 3.7
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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