Earthquake with magnitude of Md 2.2 on date 10-04-1985 and time 18:45:19 (Italy) in region 5 km E Monte Cavallo (MC)

A magnitude Md 2.2 earthquake occured in region: 5 km E Monte Cavallo (MC), on

  • 10-04-1985 16:45:19 (UTC)
  • 10-04-1985 18:45:19 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.99, 13.06 at 4 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
Monte Cavallo MC 5 145 145
Fiordimonte MC 6 202 347
Pieve Torina MC 6 1458 1805
Visso MC 7 1107 2912
Ussita MC 8 444 3356
Pievebovigliana MC 9 866 4222
Fiastra MC 10 559 4781
Acquacanina MC 11 121 4902
Muccia MC 11 915 5817
Preci PG 12 724 6541
Serravalle di Chienti MC 13 1070 7611
Castelsantangelo sul Nera MC 13 281 7892
Bolognola MC 14 142 8034
Sellano PG 15 1079 9113
Camerino MC 17 6974 16087
Sefro MC 20 422 16509

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km E of Foligno (57155 inhabitants)
56 Km E of Perugia (166134 inhabitants)
58 Km NE of Terni (111501 inhabitants)
64 Km NW of Teramo (54892 inhabitants)
76 Km NW of L'Aquila (69753 inhabitants)
79 Km SW of Ancona (100861 inhabitants)
95 Km S of Fano (60888 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 2.2 1985-04-10
16:45:19
42.99 13.06 3 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 4489
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-04-10 16:45:19 ± 0.802
Latitude 42.99 ± 0.02
Longitude 13.06 ± 0.06
Depth (km) 3 ± 6 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 4489

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) 5376.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 201
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.00275
Epicentral distance of station farthest from the epicenter (degree) 0.00923
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

Md:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 4489
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:09:05
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.CH1.Z. 1985-04-10T16:45:42.00 10.0 undecidable manual PG? 308 0.0092 2.04 0
--.MNS.Z. 1985-04-10T16:45:42.00 10.0 undecidable manual SG 204 0.0059 -1.52 0.1
--.AR1.Z. 1985-04-10T16:45:38.50 10.0 undecidable manual SG 350 0.0046 -0.3 0.8
--.PO9.Z. 1985-04-10T16:45:36.00 10.0 undecidable manual SG 191 0.0037 0.64 0.6
--.MNS.Z. 1985-04-10T16:45:34.00 10.0 undecidable manual PG 204 0.0059 0.82 1.1
--.AR1.Z. 1985-04-10T16:45:30.00 10.0 undecidable manual PG 350 0.0046 -0.45 1.8
--.AS1.Z. 1985-04-10T16:45:30.50 10.0 undecidable manual SG 283 0.0028 -0.4 0.7
--.PO9.Z. 1985-04-10T16:45:28.00 10.0 undecidable manual PG 191 0.0037 -0.46 1.8
--.AS1.Z. 1985-04-10T16:45:25.80 10.0 undecidable manual PG 283 0.0028 -0.09 2.1
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
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