Earthquake with magnitude of Md 2.2 on date 13-11-1991 and time 12:14:24 (Italy) in region 8 km SE Poggio San Vicino (MC)

A magnitude Md 2.2 earthquake occured in region: 8 km SE Poggio San Vicino (MC), on

  • 13-11-1991 11:14:24 (UTC)
  • 13-11-1991 12:14:24 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.3120, 13.1330 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
Poggio San Vicino MC 8 246 246
Apiro MC 9 2280 2526
Gagliole MC 10 620 3146
San Severino Marche MC 10 12726 15872
Cingoli MC 10 10352 26224
Matelica MC 12 9981 36205
Cerreto d'Esi AN 12 3817 40022
Castelraimondo MC 13 4587 44609
Staffolo AN 14 2253 46862
Treia MC 15 9403 56265
Cupramontana AN 15 4756 61021
Serrapetrona MC 16 966 61987
San Paolo di Jesi AN 16 933 62920
Esanatoglia MC 16 2034 64954
Tolentino MC 17 20069 85023
Serra San Quirico AN 18 2850 87873
Pollenza MC 18 6618 94491
Appignano MC 18 4213 98704
Belforte del Chienti MC 18 1886 100590
Maiolati Spontini AN 19 6248 106838
Fabriano AN 19 31480 138318
Pioraco MC 19 1134 139452
Monte Roberto AN 19 3061 142513
Mergo AN 19 1037 143550
Castelbellino AN 20 4947 148497
Rosora AN 20 1985 150482

Municipalities with at least 50000 inhabitants

An earthquake occurred to
46 Km SW of Ancona (100861 inhabitants)
53 Km NE of Foligno (57155 inhabitants)
60 Km S of Fano (60888 inhabitants)
64 Km E of Perugia (166134 inhabitants)
69 Km S of Pesaro (94582 inhabitants)
86 Km NW of Teramo (54892 inhabitants)
92 Km NE of Terni (111501 inhabitants)
95 Km SE of Rimini (147750 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
Md 2.2
ML-VAX 2.0
1991-11-13
11:14:24
43.312 13.133 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 153299
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1991-11-13 11:14:24 ± 1.409
Latitude 43.3120 ± 0.0234
Longitude 13.1330 ± 0.0969
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 153299

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) 8261.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 270
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) 0.8
Epicentral distance of station closest to the epicenter (degree) 0.00202
Epicentral distance of station farthest from the epicenter (degree) 0.00988
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitudes information

Md:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 153299
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:23:04

ML:2.0

Field Value
Value 2.0
Uncertainty
Num. used stations 2
Type of magnitude ML
Reference to an origin 153299
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(km) Takeoff_angle Residual Weight
--.SFI.Z. 1991-11-13T11:15:02.93 10.0 undecidable manual SN 302 1.0989 0.48 0.6
--.SFI.Z. 1991-11-13T11:14:47.90 10.0 undecidable manual PN 302 1.0989 1.54 0.5
--.CRE.Z. 1991-11-13T11:14:42.93 10.0 undecidable manual PG 290 0.9102 0 1.9
--.ASS.Z. 1991-11-13T11:14:41.79 10.0 undecidable manual SG 234 0.4218 0.75 0.7
--.ARV.Z. 1991-11-13T11:14:33.55 10.0 undecidable manual SG 323 0.222 0.06 0.9
--.ASS.Z. 1991-11-13T11:14:32.92 10.0 undecidable manual PG 234 0.4218 -1.08 1.3
--.ARV.Z. 1991-11-13T11:14:28.52 10.0 undecidable manual PG 323 0.222 -1.13 1.2
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