Earthquake with magnitude of Md 2.9 on date 08-11-1997 and time 15:42:06 (UTC) in region 4 km NE Cerreto di Spoleto (PG)

A magnitude Md 2.9 earthquake occured in region: 4 km NE Cerreto di Spoleto (PG), on

  • 08-11-1997 15:42:06 (UTC)
  • 08-11-1997 16:42:06 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.85, 12.95 at 2 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
Cerreto di Spoleto PG 4 1075 1075
Sellano PG 5 1079 2154
Preci PG 8 724 2878
Vallo di Nera PG 11 364 3242
Norcia PG 13 4957 8199
Campello sul Clitunno PG 14 2442 10641
Visso MC 15 1107 11748
Poggiodomo PG 15 117 11865
Cascia PG 16 3217 15082
Sant'Anatolia di Narco PG 16 564 15646
Monte Cavallo MC 17 145 15791
Trevi PG 17 8469 24260
Castelsantangelo sul Nera MC 17 281 24541
Scheggino PG 18 461 25002
Ussita MC 19 444 25446

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km SE of Foligno (57155 inhabitants)
41 Km NE of Terni (111501 inhabitants)
54 Km SE of Perugia (166134 inhabitants)
65 Km W of Teramo (54892 inhabitants)
67 Km NW of L'Aquila (69753 inhabitants)
84 Km NE of Viterbo (67173 inhabitants)
96 Km N of Guidonia Montecelio (88673 inhabitants)
97 Km SW of Ancona (100861 inhabitants)
99 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
Rev 1000 Md 2.9
ML-VAX 2.1
1997-11-08
15:42:06
42.85 12.95 2 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 310789
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-11-08 15:42:06 ± 0.169
Latitude 42.85 ± 0.01
Longitude 12.95 ± 0.02
Depth (km) 2 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 310789

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) 1566
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 99
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00105
Epicentral distance of station farthest from the epicenter (degree) 0.01222
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitudes information

Md:2.9

Field Value
Value 2.9
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 310789
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:51:32

ML:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 9
Type of magnitude ML
Reference to an origin 310789
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
--.CRE.Z. 1997-11-08T15:42:43.76 10.0 undecidable manual SG 317 0.0095 -0.43 0.4
--.FB9.Z. 1997-11-08T15:42:38.70 10.0 undecidable manual SG 351 0.0076 0.55 0.4
--.CSNT.Z. 1997-11-08T15:42:33.30 10.0 undecidable manual PN 297 0.0122 0.54 0.8
--.SDI.Z. 1997-11-08T15:42:33.27 10.0 undecidable manual PN 150 0.0117 1.26 0.1
--.SFI.Z. 1997-11-08T15:42:33.12 10.0 undecidable manual PN 323 0.0119 0.87 0.4
--.RDP.Z. 1997-11-08T15:42:29.00 10.0 undecidable manual PN 189 0.0099 -0.25 1.2
--.CRE.Z. 1997-11-08T15:42:28.31 10.0 undecidable manual PG 317 0.0095 -0.1 1.3
--.RMP.Z. 1997-11-08T15:42:27.58 10.0 undecidable manual PG 190 0.0095 -0.74 0.6
--.MNS.Z. 1997-11-08T15:42:26.60 10.0 undecidable manual SG 203 0.0045 0.27 0.6
--.PQ9.Z. 1997-11-08T15:42:25.00 10.0 undecidable manual PG 158 0.008 -0.31 1.3
--.FB9.Z. 1997-11-08T15:42:23.29 10.0 undecidable manual PG 351 0.0076 -1.27 0.2
--.SNTG.Z. 1997-11-08T15:42:21.49 10.0 undecidable manual SG 359 0.0036 -0.95 0.2
--.ASS.Z. 1997-11-08T15:42:19.19 10.0 undecidable manual SG 314 0.0027 0.61 0.4
--.AQU.Z. 1997-11-08T15:42:19.90 10.0 undecidable manual PG 146 0.0053 -0.75 0.8
--.MNS.Z. 1997-11-08T15:42:17.97 10.0 positive manual PG 203 0.0045 -0.13 3.1
--.SNTG.Z. 1997-11-08T15:42:15.37 10.0 undecidable manual PG 359 0.0036 -0.48 1.2
--.ASS.Z. 1997-11-08T15:42:13.95 10.0 negative manual PG 314 0.0027 0.33 2.8
--.NRCA.Z. 1997-11-08T15:42:12.60 10.0 undecidable manual SG 98 0.0011 0.51 0.5
--.NRCA.Z. 1997-11-08T15:42:09.86 10.0 negative manual PG 98 0.0011 0.3 2.8
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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