Earthquake with magnitude of Md 2.3 on date 03-05-1985 and time 17:10:24 (UTC) in region 2 km SE Pollenza (MC)

A magnitude Md 2.3 earthquake occured in region: 2 km SE Pollenza (MC), on

  • 03-05-1985 17:10:24 (UTC)
  • 03-05-1985 19:10:24 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.2490, 13.3590 at 21 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
Pollenza MC 2 6618 6618
Urbisaglia MC 6 2628 9246
Tolentino MC 7 20069 29315
Treia MC 8 9403 38718
Petriolo MC 9 1998 40716
Colmurano MC 9 1263 41979
Macerata MC 10 42473 84452
Loro Piceno MC 10 2401 86853
Ripe San Ginesio MC 12 852 87705
Mogliano MC 12 4696 92401
Corridonia MC 12 15430 107831
Appignano MC 13 4213 112044
Belforte del Chienti MC 14 1886 113930
Montecassiano MC 14 7125 121055
Massa Fermana FM 14 963 122018
San Severino Marche MC 15 12726 134744
Camporotondo di Fiastrone MC 15 563 135307
Montappone FM 15 1682 136989
Serrapetrona MC 16 966 137955
San Ginesio MC 16 3498 141453
Francavilla d'Ete FM 16 964 142417
Caldarola MC 16 1823 144240
Sant'Angelo in Pontano MC 17 1436 145676
Cessapalombo MC 17 512 146188
Monte Vidon Corrado FM 17 731 146919
Cingoli MC 18 10352 157271
Falerone FM 18 3337 160608
Monte San Pietrangeli FM 19 2458 163066
Monte San Giusto MC 19 8191 171257
Morrovalle MC 19 10195 181452
Montefano MC 19 3541 184993
Montegiorgio FM 20 6851 191844

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km SW of Ancona (100861 inhabitants)
62 Km NE of Foligno (57155 inhabitants)
71 Km NW of Teramo (54892 inhabitants)
72 Km SE of Fano (60888 inhabitants)
80 Km E of Perugia (166134 inhabitants)
82 Km SE of Pesaro (94582 inhabitants)
96 Km NE of Terni (111501 inhabitants)
100 Km N of L'Aquila (69753 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 2.3 1985-05-03
17:10:24
43.249 13.359 21 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 5799
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-05-03 17:10:24 ± 0.505
Latitude 43.2490 ± 0.0265
Longitude 13.3590 ± 0.0315
Depth (km) 21 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 5799

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) 3898.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 271
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
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) 0.00146
Epicentral distance of station farthest from the epicenter (degree) 0.00890
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitude information

Md:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 5799
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:10:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.MNS.Z. 1985-05-03T17:10:58.00 10.0 undecidable manual SN 210 0.9879 1.02 0
--.PO9.Z. 1985-05-03T17:10:51.00 10.0 undecidable manual SG 204 0.7326 0.18 0.4
--.MNS.Z. 1985-05-03T17:10:43.00 10.0 undecidable manual PN 210 0.9879 -0.43 0.6
--.ALP.Z. 1985-05-03T17:10:43.00 10.0 undecidable manual SG 161 0.4884 -0.02 0.8
--.PO9.Z. 1985-05-03T17:10:39.20 10.0 undecidable manual PG 204 0.7326 -0.66 0.3
--.ALP.Z. 1985-05-03T17:10:35.50 10.0 negative manual PG 161 0.4884 0.14 2.6
--.CM2.Z. 1985-05-03T17:10:33.60 10.0 undecidable manual SG 250 0.1665 -0.11 0.8
--.CM2.Z. 1985-05-03T17:10:30.20 10.0 positive manual PG 250 0.1665 0.21 2.4
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download