Earthquake with magnitude of Md 3.2 on date 13-09-1997 and time 19:25:59 (Italy) in region 6 km E Castelsantangelo sul Nera (MC)

A magnitude Md 3.2 earthquake occured in region: 6 km E Castelsantangelo sul Nera (MC), on

  • 13-09-1997 17:25:59 (UTC)
  • 13-09-1997 19:25:59 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.88, 13.22 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
Castelsantangelo sul Nera MC 6 281 281
Montemonaco AP 9 604 885
Montegallo AP 10 523 1408
Ussita MC 10 444 1852
Montefortino FM 12 1178 3030
Visso MC 12 1107 4137
Arquata del Tronto AP 13 1178 5315
Bolognola MC 13 142 5457
Norcia PG 14 4957 10414
Preci PG 15 724 11138
Amandola FM 16 3629 14767
Acquacanina MC 18 121 14888
Comunanza AP 18 3166 18054
Fiastra MC 19 559 18613
Sarnano MC 19 3264 21877
Acquasanta Terme AP 20 2916 24793
Palmiano AP 20 196 24989

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km E of Foligno (57155 inhabitants)
46 Km NW of Teramo (54892 inhabitants)
59 Km NE of Terni (111501 inhabitants)
60 Km N of L'Aquila (69753 inhabitants)
72 Km E of Perugia (166134 inhabitants)
86 Km S of Ancona (100861 inhabitants)
86 Km W of Montesilvano (53738 inhabitants)
93 Km W of Pescara (121014 inhabitants)
97 Km NW of Chieti (51815 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 3.2
ML-VAX 2.1
1997-09-13
17:25:59
42.88 13.22 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 277759
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-09-13 17:25:59 ± 0.218
Latitude 42.88 ± 0.01
Longitude 13.22 ± 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 277759

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) 2624.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 120
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 27
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) 0.00405
Epicentral distance of station farthest from the epicenter (degree) 0.0306
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 21
Magnitudes information

Md:3.2

Field Value
Value 3.2
Uncertainty
Num. used stations 11
Type of magnitude Md
Reference to an origin 277759
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:22:24

ML:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 7
Type of magnitude ML
Reference to an origin 277759
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. 1997-09-13T17:26:51.42 10.0 undecidable manual PN 340 0.0302 -0.79 0.6
--.GE9.Z. 1997-09-13T17:26:50.84 10.0 undecidable manual PN 358 0.0306 -1.93 0.1
--.RDP.Z. 1997-09-13T17:26:39.18 10.0 undecidable manual SN 198 0.0106 0.07 0.6
--.FG3.Z. 1997-09-13T17:26:39.61 10.0 undecidable manual PN 118 0.021 1.53 0.3
--.RMP.Z. 1997-09-13T17:26:38.38 10.0 undecidable manual SN 199 0.0101 0.38 0.6
--.PSB1.Z. 1997-09-13T17:26:34.32 10.0 undecidable manual PN 143 0.0182 0.37 1.2
--.VTB1.Z. 1997-09-13T17:26:32.85 10.0 undecidable manual PN 147 0.0179 -0.54 1.1
--.RFI.Z. 1997-09-13T17:26:30.27 10.0 undecidable manual PN 159 0.0151 1.21 0.6
--.FG2.Z. 1997-09-13T17:26:29.50 10.0 undecidable manual PN 125 0.016 -1.14 0.6
--.CPI2.Z. 1997-09-13T17:26:28.23 10.0 undecidable manual PN 147 0.0137 1.21 0.6
--.PLI2.Z. 1997-09-13T17:26:27.84 10.0 undecidable manual PN 154 0.0133 1.43 0.4
--.SFI.Z. 1997-09-13T17:26:27.49 10.0 undecidable manual PN 315 0.0129 1.76 0.2
--.CSNT.Z. 1997-09-13T17:26:27.10 10.0 undecidable manual PN 293 0.0137 -0.03 1.5
--.CRVI.Z. 1997-09-13T17:26:25.36 10.0 undecidable manual PN 144 0.0126 0 1.6
--.SDI.Z. 1997-09-13T17:26:23.13 10.0 undecidable manual PN 158 0.0112 -0.05 1.6
--.RSM.Z. 1997-09-13T17:26:23.90 10.0 undecidable manual PN 331 0.0107 0.67 1.2
--.ARV.Z. 1997-09-13T17:26:22.98 10.0 undecidable manual SG 341 0.0058 -0.11 0.6
--.MNS.Z. 1997-09-13T17:26:22.45 10.0 undecidable manual SG 218 0.0057 0.04 0.6
--.RMP.Z. 1997-09-13T17:26:21.30 10.0 undecidable manual PN 199 0.0101 -0.32 1.5
--.RDP.Z. 1997-09-13T17:26:21.94 10.0 undecidable manual PN 198 0.0106 -0.32 1.5
--.AQU.Z. 1997-09-13T17:26:18.77 10.0 undecidable manual SG 165 0.0048 -0.66 0.5
--.ASS.Z. 1997-09-13T17:26:16.53 10.0 undecidable manual SG 293 0.004 -0.2 0.6
--.PQ9.Z. 1997-09-13T17:26:15.49 10.0 undecidable manual PG 170 0.0078 -1.43 0.5
--.MNS.Z. 1997-09-13T17:26:12.55 10.0 positive manual PG 218 0.0057 -0.07 3.2
--.ARV.Z. 1997-09-13T17:26:12.59 10.0 undecidable manual PG 341 0.0058 -0.42 1.4
--.AQU.Z. 1997-09-13T17:26:09.72 10.0 undecidable manual PG 165 0.0048 -1.18 0.7
--.ASS.Z. 1997-09-13T17:26:09.53 10.0 positive manual PG 293 0.004 0.2 3.1
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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