Earthquake with magnitude of Md 4.4 on date 04-09-1997 and time 00:07:30 (Italy) in region 7 km E Valtopina (PG)

A magnitude Md 4.4 earthquake occured in region: 7 km E Valtopina (PG), on

  • 03-09-1997 22:07:30 (UTC)
  • 04-09-1997 00:07:30 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.06, 12.84 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
Valtopina PG 7 1398 1398
Nocera Umbra PG 7 5839 7237
Serravalle di Chienti MC 9 1070 8307
Sefro MC 13 422 8729
Monte Cavallo MC 15 145 8874
Spello PG 16 8645 17519
Foligno PG 16 57155 74674
Fiuminata MC 16 1402 76076
Muccia MC 17 915 76991
Pieve Torina MC 17 1458 78449
Pioraco MC 18 1134 79583
Assisi PG 18 28299 107882
Gualdo Tadino PG 20 15208 123090
Pievebovigliana MC 20 866 123956

Municipalities with at least 50000 inhabitants

An earthquake occurred to
16 Km NE of Foligno (57155 inhabitants)
37 Km E of Perugia (166134 inhabitants)
58 Km N of Terni (111501 inhabitants)
83 Km SW of Ancona (100861 inhabitants)
83 Km NW of Teramo (54892 inhabitants)
89 Km S of Fano (60888 inhabitants)
90 Km SE of Arezzo (99543 inhabitants)
91 Km NW of L'Aquila (69753 inhabitants)
93 Km NE of Viterbo (67173 inhabitants)
95 Km S of Pesaro (94582 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
Rev 1000 Md 4.4
ML-MEDNET 4.8
1997-09-03
22:07:30
43.06 12.84 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 276769
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-09-03 22:07:30 ± 0.108
Latitude 43.06 ± 0.01
Longitude 12.84 ± 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 276769

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) 2068
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 105
Number of associated phases, regardless of their use for origin computation 72
Number of defining phases 72
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) 0.00121
Epicentral distance of station farthest from the epicenter (degree) 0.04986
Number of stations at which the event was observed 63
Number of stations from which data was used for origin computation 63
Magnitudes information

Md:4.4

Field Value
Value 4.4
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 276769
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:21:29

ML:4.8

Field Value
Value 4.8
Uncertainty
Num. used stations
Type of magnitude ML
Reference to an origin 276769
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 10:37:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.CTI.Z. 1997-09-03T22:08:57.31 10.0 undecidable manual SN 344 0.0279 1.33 0.2
--.MO9.Z. 1997-09-03T22:08:53.56 10.0 undecidable manual PN 155 0.0495 0.93 0.7
--.SOI.Z. 1997-09-03T22:08:52.77 10.0 undecidable manual PN 152 0.0499 -0.53 1
--.GMB.Z. 1997-09-03T22:08:51.31 10.0 undecidable manual PN 154 0.0485 0.2 1.1
--.MNO.Z. 1997-09-03T22:08:50.10 10.0 undecidable manual PN 163 0.0478 -0.07 1.2
--.ATN.Z. 1997-09-03T22:08:50.30 10.0 undecidable manual PN 156 0.0475 0.59 1
--.CS9.Z. 1997-09-03T22:08:50.30 10.0 undecidable manual PN 169 0.0468 1.46 0.3
--.SC9.Z. 1997-09-03T22:08:49.83 10.0 undecidable manual PN 154 0.0474 0.33 1.1
--.GIB.Z. 1997-09-03T22:08:48.81 10.0 undecidable manual PN 169 0.0463 1.03 0.6
--.GRI.Z. 1997-09-03T22:08:46.54 10.0 undecidable manual PN 146 0.0452 0.45 1.1
--.BNI.Z. 1997-09-03T22:08:44.97 10.0 undecidable manual PN 296 0.0436 1.21 0.5
--.SA1.Z. 1997-09-03T22:08:42.80 10.0 undecidable manual PN 160 0.0426 0.59 1
--.MCGN.Z. 1997-09-03T22:08:38.68 10.0 undecidable manual PN 311 0.0406 -0.4 1.2
--.ORO.Z. 1997-09-03T22:08:36.24 10.0 undecidable manual PN 308 0.0389 -0.19 1.3
--.DOI.Z. 1997-09-03T22:08:35.93 10.0 undecidable manual PN 291 0.0385 -0.07 1.4
--.ORI.Z. 1997-09-03T22:08:33.96 10.0 undecidable manual PN 136 0.0363 1.4 0.4
--.VAI.Z. 1997-09-03T22:08:32.76 10.0 undecidable manual PN 315 0.0363 0.19 1.4
--.BR9.Z. 1997-09-03T22:08:31.37 10.0 undecidable manual PN 333 0.0345 1.54 0.3
--.BRT.Z. 1997-09-03T22:08:29.94 10.0 undecidable manual PN 122 0.0348 -0.39 1.3
--.BDI.Z. 1997-09-03T22:08:28.12 10.0 undecidable manual SN 302 0.0172 0.55 0.6
--.MGR.Z. 1997-09-03T22:08:25.67 10.0 undecidable manual PN 144 0.032 -0.27 1.4
--.CKI.Z. 1997-09-03T22:08:25.79 10.0 undecidable manual PN 293 0.0321 -0.27 1.4
--.FVI.Z. 1997-09-03T22:08:25.64 10.0 undecidable manual PN 359 0.0317 -0.01 1.5
--.MDI.Z. 1997-09-03T22:08:25.92 10.0 undecidable manual PN 321 0.0317 0.49 1.3
--.PII.Z. 1997-09-03T22:08:24.84 10.0 undecidable manual SN 292 0.0163 -0.3 0.7
--.PTCC.Z. 1997-09-03T22:08:22.65 10.0 undecidable manual PN 5 0.0303 -0.68 1.2
--.GE9.Z. 1997-09-03T22:08:20.92 10.0 undecidable manual PN 3 0.029 -0.51 1.4
--.BOB.Z. 1997-09-03T22:08:19.52 10.0 undecidable manual PN 305 0.0268 1.47 0.4
--.CTI.Z. 1997-09-03T22:08:19.90 10.0 undecidable manual PN 344 0.0279 0.13 1.6
--.SAL.Z. 1997-09-03T22:08:19.93 10.0 undecidable manual PN 327 0.0273 1.09 0.8
--.MU9.Z. 1997-09-03T22:08:18.53 10.0 undecidable manual PN 138 0.0272 -0.13 1.6
--.CA9.Z. 1997-09-03T22:08:18.20 10.0 undecidable manual PN 137 0.026 1.13 0.8
--.SGO.Z. 1997-09-03T22:08:18.73 10.0 undecidable manual PN 142 0.0278 -0.98 0.9
--.FG4.Z. 1997-09-03T22:08:14.73 10.0 undecidable manual PN 133 0.0249 -0.38 1.6
--.CI9.Z. 1997-09-03T22:08:13.71 10.0 undecidable manual PN 142 0.0245 -0.91 1
--.TRI.Z. 1997-09-03T22:08:13.63 10.0 positive manual PN 13 0.0245 -0.98 1.9
--.FG3.Z. 1997-09-03T22:08:13.56 10.0 undecidable manual PN 119 0.024 -0.13 1.7
--.CSNT.Z. 1997-09-03T22:08:12.19 10.0 undecidable manual SN 290 0.0108 1.47 0.2
--.FG5.Z. 1997-09-03T22:08:12.39 10.0 undecidable manual PN 133 0.0227 0.57 1.4
--.MRB1.Z. 1997-09-03T22:08:12.40 10.0 undecidable manual PN 139 0.0224 0.63 1.4
--.DSB1.Z. 1997-09-03T22:08:11.50 10.0 undecidable manual PN 137 0.0213 1.31 0.6
--.RDP.Z. 1997-09-03T22:08:11.54 10.0 undecidable manual SN 183 0.0117 -1.59 0.1
--.RMP.Z. 1997-09-03T22:08:10.60 10.0 undecidable manual SN 184 0.0113 -1.83 0.1
--.MSB1.Z. 1997-09-03T22:08:10.20 10.0 undecidable manual PN 144 0.0215 0.13 1.7
--.EB9.Z. 1997-09-03T22:08:09.46 10.0 undecidable manual PN 308 0.0199 1.86 0.2
--.PSB1.Z. 1997-09-03T22:08:09.48 10.0 undecidable manual PN 140 0.021 0.16 1.7
--.SFI.Z. 1997-09-03T22:08:08.59 10.0 undecidable manual SN 319 0.01 0.04 0.7
--.SMB1.Z. 1997-09-03T22:08:07.75 10.0 undecidable manual PN 139 0.0194 0.86 1.1
--.VTB1.Z. 1997-09-03T22:08:07.75 10.0 undecidable manual PN 143 0.0206 -0.91 1
--.MAB1.Z. 1997-09-03T22:08:06.25 10.0 undecidable manual PN 145 0.0196 -0.77 1.2
--.FG2.Z. 1997-09-03T22:08:06.26 10.0 undecidable manual PN 125 0.019 0 1.7
--.GU9.Z. 1997-09-03T22:08:05.57 10.0 undecidable manual PN 309 0.0187 -0.09 1.7
--.CL9.Z. 1997-09-03T22:08:05.16 10.0 undecidable manual PN 334 0.0181 0.45 1.5
--.BAI2.Z. 1997-09-03T22:08:04.49 10.0 undecidable manual PN 140 0.018 -0.11 1.7
--.ZC9.Z. 1997-09-03T22:08:03.00 10.0 undecidable manual PN 314 0.0168 0.23 1.7
--.BDI.Z. 1997-09-03T22:08:02.31 10.0 undecidable manual PN 302 0.0172 -1.05 0.9
--.RFI.Z. 1997-09-03T22:08:02.99 10.0 undecidable manual PN 153 0.0175 -0.93 1
--.PII.Z. 1997-09-03T22:08:01.36 10.0 undecidable manual PN 292 0.0163 -0.61 1.4
--.CPI2.Z. 1997-09-03T22:08:01.45 10.0 undecidable manual PN 142 0.0164 -0.85 1.1
--.AQU.Z. 1997-09-03T22:08:00.00 10.0 undecidable manual SG 149 0.0073 0.63 0.5
--.PLI2.Z. 1997-09-03T22:08:00.37 10.0 undecidable manual PN 148 0.0159 -1.1 0.8
--.SDI.Z. 1997-09-03T22:07:56.20 10.0 undecidable manual PN! 151 0.0137 -2.08 0
--.RDP.Z. 1997-09-03T22:07:53.39 10.0 undecidable manual PN 183 0.0117 -1.63 0.3
--.CSNT.Z. 1997-09-03T22:07:52.44 10.0 undecidable manual PN 290 0.0108 -1.2 0.7
--.RMP.Z. 1997-09-03T22:07:52.52 10.0 undecidable manual PN 184 0.0113 -1.79 0.2
--.SFI.Z. 1997-09-03T22:07:51.15 10.0 undecidable manual PN 319 0.01 -1.24 0.7
--.PQ9.Z. 1997-09-03T22:07:48.81 10.0 undecidable manual PN! 157 0.01 -3.63 0
--.RSM.Z. 1997-09-03T22:07:47.94 10.0 undecidable manual PG 341 0.0082 -0.98 1
--.AQU.Z. 1997-09-03T22:07:43.63 10.0 negative manual PG! 149 0.0073 -3.45 0
--.ARV.Z. 1997-09-03T22:07:38.57 10.0 positive manual PG 9 0.004 -1.66 0.6
--.ASS.Z. 1997-09-03T22:07:36.18 10.0 undecidable manual SG 271 0.0012 0.28 0.7
--.ASS.Z. 1997-09-03T22:07:33.16 10.0 positive manual PG 271 0.0012 -0.38 3.2
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download