Earthquake with magnitude of Md 2.3 on date 03-05-1985 and time 19:22:08 (Italy) in region 4 km E Pollenza (MC)

A magnitude Md 2.3 earthquake occured in region: 4 km E Pollenza (MC), on

  • 03-05-1985 17:22:08 (UTC)
  • 03-05-1985 19:22:08 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.28, 13.4 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
Pollenza MC 4 6618 6618
Macerata MC 5 42473 49091
Petriolo MC 8 1998 51089
Treia MC 8 9403 60492
Urbisaglia MC 9 2628 63120
Corridonia MC 9 15430 78550
Montecassiano MC 10 7125 85675
Appignano MC 11 4213 89888
Mogliano MC 12 4696 94584
Tolentino MC 12 20069 114653
Loro Piceno MC 12 2401 117054
Colmurano MC 13 1263 118317
Francavilla d'Ete FM 15 964 119281
Ripe San Ginesio MC 15 852 120133
Massa Fermana FM 15 963 121096
Morrovalle MC 15 10195 131291
Montelupone MC 16 3596 134887
Montefano MC 16 3541 138428
Monte San Giusto MC 16 8191 146619
Montappone FM 17 1682 148301
Monte San Pietrangeli FM 17 2458 150759
Belforte del Chienti MC 18 1886 152645
Filottrano AN 18 9499 162144
Monte Vidon Corrado FM 18 731 162875
Cingoli MC 19 10352 173227
Recanati MC 19 21349 194576
San Severino Marche MC 19 12726 207302
Camporotondo di Fiastrone MC 19 563 207865
Montegranaro FM 19 12990 220855
Falerone FM 20 3337 224192
Sant'Angelo in Pontano MC 20 1436 225628
Torre San Patrizio FM 20 2048 227676
Montecosaro MC 20 7113 234789
Montegiorgio FM 20 6851 241640
San Ginesio MC 20 3498 245138

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km S of Ancona (100861 inhabitants)
67 Km NE of Foligno (57155 inhabitants)
70 Km SE of Fano (60888 inhabitants)
73 Km NW of Teramo (54892 inhabitants)
81 Km SE of Pesaro (94582 inhabitants)
84 Km E of Perugia (166134 inhabitants)
100 Km NE of Terni (111501 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 2.3 1985-05-03
17:22:08
43.28 13.4 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 5819
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-05-03 17:22:08 ± 0.8
Latitude 43.28 ± 0.04
Longitude 13.40 ± 0.03
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 5819

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) 5452.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 277
Number of associated phases, regardless of their use for origin computation 6
Number of defining phases 6
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) 0.00178
Epicentral distance of station farthest from the epicenter (degree) 0.00931
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 1
Type of magnitude Md
Reference to an origin 5819
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:10:14
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.MNS.Z. 1985-05-03T17:22:30.00 10.0 undecidable manual PN 210 0.0093 0.84 0.1
--.ALP.Z. 1985-05-03T17:22:27.10 10.0 undecidable manual SG 165 0.0045 -0.08 0.7
--.AS1.Z. 1985-05-03T17:22:20.00 10.0 undecidable manual PG 248 0.0053 -0.86 0.2
--.ALP.Z. 1985-05-03T17:22:19.30 10.0 negative manual PG 165 0.0045 -0.16 2.2
--.CM2.Z. 1985-05-03T17:22:17.50 10.0 undecidable manual SG 246 0.0018 0.07 0.7
--.CM2.Z. 1985-05-03T17:22:14.00 10.0 positive manual PG 246 0.0018 0.18 2.1
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
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