Earthquake with magnitude of Md 3.0 on date 05-03-1987 and time 02:25:54 (Italy) in region 4 km N Serravalle di Chienti (MC)

A magnitude Md 3.0 earthquake occured in region: 4 km N Serravalle di Chienti (MC), on

  • 05-03-1987 01:25:54 (UTC)
  • 05-03-1987 02:25:54 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.11, 12.96 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
Serravalle di Chienti MC 4 1070 1070
Sefro MC 5 422 1492
Muccia MC 7 915 2407
Pioraco MC 8 1134 3541
Camerino MC 9 6974 10515
Fiuminata MC 10 1402 11917
Pieve Torina MC 10 1458 13375
Pievebovigliana MC 11 866 14241
Fiordimonte MC 13 202 14443
Monte Cavallo MC 13 145 14588
Castelraimondo MC 14 4587 19175
Nocera Umbra PG 14 5839 25014
Esanatoglia MC 16 2034 27048
Gagliole MC 17 620 27668
Matelica MC 17 9981 37649
Fiastra MC 18 559 38208
Valtopina PG 18 1398 39606
Acquacanina MC 19 121 39727

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km NE of Foligno (57155 inhabitants)
47 Km E of Perugia (166134 inhabitants)
66 Km NE of Terni (111501 inhabitants)
73 Km SW of Ancona (100861 inhabitants)
78 Km NW of Teramo (54892 inhabitants)
82 Km S of Fano (60888 inhabitants)
90 Km S of Pesaro (94582 inhabitants)
91 Km NW of L'Aquila (69753 inhabitants)
96 Km E of Arezzo (99543 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 3.0 1987-03-05
01:25:54
43.11 12.96 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 42409
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1987-03-05 01:25:54 ± 0.305
Latitude 43.11 ± 0.02
Longitude 12.96 ± 0.03
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 42409

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) 3114.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 102
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 13
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) 0.00138
Epicentral distance of station farthest from the epicenter (degree) 0.03133
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitude information

Md:3

Field Value
Value 3
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 42409
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:42:07
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.FOI.Z. 1987-03-05T01:26:50.00 10.0 undecidable manual PN 358 0.0313 1.25 0.4
--.CTI.Z. 1987-03-05T01:26:43.50 10.0 undecidable manual PN 342 0.0278 0.28 0.8
--.PS9.Z. 1987-03-05T01:26:27.50 10.0 undecidable manual PN 290 0.0168 0.89 0.8
--.SD1.Z. 1987-03-05T01:26:23.00 10.0 undecidable manual PN 155 0.0138 1.14 0.7
--.AQU.Z. 1987-03-05T01:26:22.50 10.0 undecidable manual SG 156 0.0073 -0.64 0.5
--.MF9.Z. 1987-03-05T01:26:18.00 10.0 undecidable manual PN 314 0.01 1.94 0.3
--.AM8.Z. 1987-03-05T01:26:17.80 10.0 undecidable manual SG 46 0.0057 0.34 0.6
--.AQU.Z. 1987-03-05T01:26:11.00 10.0 undecidable manual PG 156 0.0073 0.16 1.6
--.ARV.Z. 1987-03-05T01:26:09.00 10.0 undecidable manual SG 357 0.0035 -0.26 0.9
--.AM8.Z. 1987-03-05T01:26:05.90 10.0 undecidable manual PG 46 0.0057 -1.66 0.4
--.ARV.Z. 1987-03-05T01:26:02.50 10.0 positive manual PG 357 0.0035 -0.33 3
--.ASS.Z. 1987-03-05T01:25:58.00 10.0 positive manual PG 259 0.002 -1.28 1.5
--.CM8.Z. 1987-03-05T01:25:57.18 10.0 undecidable manual PG 55 0.0014 -0.5 1.4
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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