Earthquake with magnitude of Md 3.0 on date 14-09-1997 and time 04:35:44 (Italy) in region 6 km SE Castelsantangelo sul Nera (MC)

A magnitude Md 3.0 earthquake occured in region: 6 km SE Castelsantangelo sul Nera (MC), on

  • 14-09-1997 02:35:44 (UTC)
  • 14-09-1997 04:35:44 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.86, 13.2 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
Ussita MC 11 444 725
Norcia PG 11 4957 5682
Montegallo AP 11 523 6205
Montemonaco AP 12 604 6809
Visso MC 12 1107 7916
Arquata del Tronto AP 12 1178 9094
Preci PG 13 724 9818
Montefortino FM 15 1178 10996
Bolognola MC 16 142 11138
Accumoli RI 18 667 11805
Amandola FM 19 3629 15434
Acquacanina MC 19 121 15555
Acquasanta Terme AP 20 2916 18471

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km E of Foligno (57155 inhabitants)
47 Km W of Teramo (54892 inhabitants)
56 Km NE of Terni (111501 inhabitants)
59 Km N of L'Aquila (69753 inhabitants)
72 Km E of Perugia (166134 inhabitants)
87 Km W of Montesilvano (53738 inhabitants)
89 Km SW of Ancona (100861 inhabitants)
94 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 3.0
ML-VAX 1.8
1997-09-14
02:35:44
42.86 13.2 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 277809
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-09-14 02:35:44 ± 0.215
Latitude 42.86 ± 0.02
Longitude 13.20 ± 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 277809

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) 2695.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 134
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 24
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) 0.00397
Epicentral distance of station farthest from the epicenter (degree) 0.02097
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 18
Magnitudes information

Md:3

Field Value
Value 3
Uncertainty
Num. used stations 10
Type of magnitude Md
Reference to an origin 277809
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:22:26

ML:1.8

Field Value
Value 1.8
Uncertainty
Num. used stations 4
Type of magnitude ML
Reference to an origin 277809
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
--.SDI.Z. 1997-09-14T02:36:25.28 10.0 undecidable manual SN 157 0.0111 -0.37 0.7
--.FG3.Z. 1997-09-14T02:36:23.31 10.0 undecidable manual PN 118 0.021 -0.08 1.2
--.VTB1.Z. 1997-09-14T02:36:19.50 10.0 undecidable manual PN 146 0.0178 0.97 0.7
--.MAB1.Z. 1997-09-14T02:36:17.50 10.0 undecidable manual PN 148 0.0168 0.58 1.2
--.FG2.Z. 1997-09-14T02:36:15.96 10.0 undecidable manual PN 124 0.0161 0.05 1.4
--.PQ9.Z. 1997-09-14T02:36:14.20 10.0 undecidable manual SG 169 0.0076 -0.36 0.7
--.RFI.Z. 1997-09-14T02:36:14.73 10.0 undecidable manual PN 158 0.0149 0.61 1.2
--.CRVI.Z. 1997-09-14T02:36:12.28 10.0 undecidable manual PN 143 0.0125 1.77 0.2
--.SFI.Z. 1997-09-14T02:36:11.16 10.0 undecidable manual PN 316 0.0129 0.16 1.6
--.PLI2.Z. 1997-09-14T02:36:11.70 10.0 undecidable manual PN 153 0.0132 0.2 1.6
--.CSNT.Z. 1997-09-14T02:36:11.78 10.0 undecidable manual PN 294 0.0136 -0.39 1.4
--.RSM.Z. 1997-09-14T02:36:09.51 10.0 undecidable manual PN 333 0.0108 1.72 0.3
--.ARV.Z. 1997-09-14T02:36:07.76 10.0 undecidable manual SG 343 0.006 -1.02 0.2
--.RDP.Z. 1997-09-14T02:36:07.42 10.0 undecidable manual PN 197 0.0104 0.26 1.7
--.RMP.Z. 1997-09-14T02:36:06.53 10.0 undecidable manual PN 199 0.01 0.01 1.8
--.SDI.Z. 1997-09-14T02:36:06.93 10.0 undecidable manual PN 157 0.0111 -1.32 0.5
--.MNS.Z. 1997-09-14T02:36:06.90 10.0 undecidable manual SG 218 0.0054 0.1 0.7
--.AQU.Z. 1997-09-14T02:36:03.11 10.0 undecidable manual SG 162 0.0047 -1.08 0.4
--.ASS.Z. 1997-09-14T02:36:01.28 10.0 undecidable manual SG 297 0.004 -0.46 0.6
--.PQ9.Z. 1997-09-14T02:36:00.39 10.0 undecidable manual PG 169 0.0076 -1.46 0.5
--.MNS.Z. 1997-09-14T02:35:57.68 10.0 undecidable manual PG 218 0.0054 0.32 1.6
--.ARV.Z. 1997-09-14T02:35:57.68 10.0 undecidable manual PG 343 0.006 -0.83 0.9
--.AQU.Z. 1997-09-14T02:35:54.87 10.0 undecidable manual PG 162 0.0047 -0.99 1
--.ASS.Z. 1997-09-14T02:35:54.65 10.0 undecidable manual PG 297 0.004 0.21 1.8
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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