Earthquake with magnitude of Md 2.2 on date 06-06-1987 and time 00:00:36 (Italy) in region 2 km W Fiordimonte (MC)

A magnitude Md 2.2 earthquake occured in region: 2 km W Fiordimonte (MC), on

  • 05-06-1987 22:00:36 (UTC)
  • 06-06-1987 00:00:36 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0440, 13.0730 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
Fiordimonte MC 2 202 202
Pieve Torina MC 2 1458 1660
Pievebovigliana MC 2 866 2526
Muccia MC 5 915 3441
Fiastra MC 7 559 4000
Monte Cavallo MC 8 145 4145
Acquacanina MC 9 121 4266
Camerino MC 10 6974 11240
Serravalle di Chienti MC 10 1070 12310
Ussita MC 12 444 12754
Visso MC 13 1107 13861
Bolognola MC 14 142 14003
Sefro MC 15 422 14425
Caldarola MC 16 1823 16248
Pioraco MC 17 1134 17382
Cessapalombo MC 17 512 17894
Serrapetrona MC 18 966 18860
Castelsantangelo sul Nera MC 18 281 19141
Preci PG 19 724 19865
Castelraimondo MC 19 4587 24452
Camporotondo di Fiastrone MC 19 563 25015
Sarnano MC 19 3264 28279
Belforte del Chienti MC 19 1886 30165
Fiuminata MC 20 1402 31567

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km E of Foligno (57155 inhabitants)
56 Km E of Perugia (166134 inhabitants)
64 Km NE of Terni (111501 inhabitants)
67 Km NW of Teramo (54892 inhabitants)
73 Km SW of Ancona (100861 inhabitants)
81 Km NW of L'Aquila (69753 inhabitants)
89 Km S of Fano (60888 inhabitants)
97 Km S of Pesaro (94582 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 2.2 1987-06-05
22:00:36
43.044 13.073 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 48679
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1987-06-05 22:00:36 ± 0.162
Latitude 43.0440 ± 0.0052
Longitude 13.0730 ± 0.0147
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 48679

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) 1327.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 215
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) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00275
Epicentral distance of station farthest from the epicenter (degree) 0.00639
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:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 48679
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:47:32
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.MNS.Z. 1987-06-05T22:01:01.50 10.0 undecidable manual SG 203 0.7104 0.34 0.1
--.ARV.Z. 1987-06-05T22:00:53.00 10.0 undecidable manual SG 348 0.4551 0.02 1
--.MNS.Z. 1987-06-05T22:00:50.50 10.0 undecidable manual PG 203 0.7104 -0.09 1.2
--.ASS.Z. 1987-06-05T22:00:48.20 10.0 undecidable manual SG 273 0.3108 0.25 0.4
--.ARV.Z. 1987-06-05T22:00:46.00 10.0 undecidable manual PG 348 0.4551 0.13 1.3
--.ASS.Z. 1987-06-05T22:00:42.80 10.0 undecidable manual PG 273 0.3108 -0.17 2.1
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