Earthquake with magnitude of Md 2.4 on date 11-06-1987 and time 06:24:26 (Italy) in region 3 km S Matelica (MC)

A magnitude Md 2.4 earthquake occured in region: 3 km S Matelica (MC), on

  • 11-06-1987 04:24:26 (UTC)
  • 11-06-1987 06:24:26 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.2340, 13.0200 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
Matelica MC 3 9981 9981
Castelraimondo MC 4 4587 14568
Gagliole MC 4 620 15188
Esanatoglia MC 6 2034 17222
Pioraco MC 7 1134 18356
Fiuminata MC 9 1402 19758
Cerreto d'Esi AN 10 3817 23575
Sefro MC 11 422 23997
Camerino MC 12 6974 30971
San Severino Marche MC 13 12726 43697
Fabriano AN 15 31480 75177
Serrapetrona MC 15 966 76143
Poggio San Vicino MC 17 246 76389
Muccia MC 17 915 77304
Serravalle di Chienti MC 19 1070 78374
Gualdo Tadino PG 19 15208 93582
Belforte del Chienti MC 19 1886 95468
Pievebovigliana MC 20 866 96334
Caldarola MC 20 1823 98157
Apiro MC 20 2280 100437

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km NE of Foligno (57155 inhabitants)
53 Km E of Perugia (166134 inhabitants)
59 Km SW of Ancona (100861 inhabitants)
68 Km S of Fano (60888 inhabitants)
76 Km S of Pesaro (94582 inhabitants)
81 Km NE of Terni (111501 inhabitants)
85 Km NW of Teramo (54892 inhabitants)
96 Km E of Arezzo (99543 inhabitants)
99 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 2.4 1987-06-11
04:24:26
43.234 13.02 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 48869
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1987-06-11 04:24:26 ± 0.093
Latitude 43.2340 ± 0.0040
Longitude 13.0200 ± 0.0106
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 48869

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) 967.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 208
Number of associated phases, regardless of their use for origin computation 5
Number of defining phases 5
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00243
Epicentral distance of station farthest from the epicenter (degree) 0.00793
Number of stations at which the event was observed 3
Number of stations from which data was used for origin computation 3
Magnitude information

Md:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 48869
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:47:42
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.MNS.Z. 1987-06-11T04:24:56.50 10.0 undecidable manual SG 196 0.8769 -0.22 0.1
--.MNS.Z. 1987-06-11T04:24:44.00 10.0 undecidable manual PG 196 0.8769 0.08 1
--.ASS.Z. 1987-06-11T04:24:38.50 10.0 undecidable manual SG 237 0.3108 -0.05 0.7
--.ASS.Z. 1987-06-11T04:24:33.50 10.0 undecidable manual PG 237 0.3108 0.07 1.5
--.ARV.Z. 1987-06-11T04:24:32.50 10.0 undecidable manual PG 348 0.2664 -0.05 1.7
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