Earthquake with magnitude of M 2.0 on date 13-11-1991 and time 18:19:27 (Italy) in region 5 km W Limone Piemonte (CN)

A magnitude M 2.0 earthquake occured in region: 5 km W Limone Piemonte (CN), on

  • 13-11-1991 17:19:27 (UTC)
  • 13-11-1991 18:19:27 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.1880, 7.5210 at 10 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
Limone Piemonte CN 5 1485 1485
Vernante CN 7 1178 2663
Roaschia CN 11 107 2770
Entracque CN 11 774 3544
Robilante CN 12 2306 5850
Valdieri CN 14 935 6785
Roccavione CN 15 2761 9546
Borgo San Dalmazzo CN 16 12468 22014
Boves CN 16 9835 31849
Peveragno CN 18 5543 37392
Moiola CN 18 234 37626
Roccasparvera CN 18 741 38367
Gaiola CN 19 582 38949
Vignolo CN 20 2600 41549
Chiusa di Pesio CN 20 3676 45225

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km S of Cuneo (56081 inhabitants)
46 Km NW of Sanremo (54807 inhabitants)
78 Km W of Savona (61345 inhabitants)
91 Km S of Moncalieri (57294 inhabitants)
96 Km SW of Asti (76202 inhabitants)
99 Km S of Torino (890529 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
M 2.0 1991-11-13
17:19:27
44.188 7.521 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 153309
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1991-11-13 17:19:27 ± 0.109
Latitude 44.1880 ± 0.0125
Longitude 7.5210 ± 0.0100
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 153309

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) 1599.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 158
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 7
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00073
Epicentral distance of station farthest from the epicenter (degree) 0.00599
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

M:2.0

Field Value
Value 2.0
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 153309
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 09:48:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.BHB.Z. 1991-11-13T17:19:41.10 10.0 undecidable manual PG 344 0.666 -0.35 0.4
--.FIN.Z. 1991-11-13T17:19:38.54 10.0 undecidable manual PG 87 0.4884 0.37 0.4
--.PZZ.Z. 1991-11-13T17:19:37.40 10.0 undecidable manual PG 316 0.4329 0.3 0.7
--.IMI.Z. 1991-11-13T17:19:35.96 10.0 undecidable manual PG 135 0.3774 -0.21 1.1
--.ROB.Z. 1991-11-13T17:19:34.40 10.0 undecidable manual PG 65 0.2664 -0.11 1.4
--.STV.Z. 1991-11-13T17:19:31.88 10.0 undecidable manual PG 294 0.1443 0.07 1.5
--.ENR.Z. 1991-11-13T17:19:30.54 10.0 undecidable manual PG 297 0.0777 -0.07 1.5
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download