Earthquake with magnitude of Md 2.0 on date 23-05-1990 and time 17:29:51 (UTC) in region 2 km NW Muccia (MC)

A magnitude Md 2.0 earthquake occured in region: 2 km NW Muccia (MC), on

  • 23-05-1990 17:29:51 (UTC)
  • 23-05-1990 19:29:51 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0950, 13.0270 at 14 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
Muccia MC 2 915 915
Camerino MC 6 6974 7889
Pieve Torina MC 6 1458 9347
Pievebovigliana MC 6 866 10213
Serravalle di Chienti MC 7 1070 11283
Fiordimonte MC 8 202 11485
Sefro MC 9 422 11907
Pioraco MC 10 1134 13041
Monte Cavallo MC 11 145 13186
Fiastra MC 12 559 13745
Fiuminata MC 13 1402 15147
Castelraimondo MC 13 4587 19734
Acquacanina MC 14 121 19855
Serrapetrona MC 16 966 20821
Gagliole MC 17 620 21441
Caldarola MC 17 1823 23264
Matelica MC 18 9981 33245
Esanatoglia MC 19 2034 35279
Visso MC 19 1107 36386
Belforte del Chienti MC 19 1886 38272
Cessapalombo MC 19 512 38784
Ussita MC 19 444 39228
Nocera Umbra PG 19 5839 45067
San Severino Marche MC 19 12726 57793
Bolognola MC 20 142 57935
Camporotondo di Fiastrone MC 20 563 58498

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km NE of Foligno (57155 inhabitants)
52 Km E of Perugia (166134 inhabitants)
67 Km NE of Terni (111501 inhabitants)
71 Km SW of Ancona (100861 inhabitants)
74 Km NW of Teramo (54892 inhabitants)
83 Km S of Fano (60888 inhabitants)
88 Km NW of L'Aquila (69753 inhabitants)
91 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 2.0 1990-05-23
17:29:51
43.095 13.027 14 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 119509
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1990-05-23 17:29:51 ± 0.128
Latitude 43.0950 ± 0.0038
Longitude 13.0270 ± 0.0093
Depth (km) 14 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 119509

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) 864.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 126
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) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00113
Epicentral distance of station farthest from the epicenter (degree) 0.00364
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:2.0

Field Value
Value 2.0
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 119509
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:50:55
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.ARV.Z. 1990-05-23T17:30:07.00 10.0 undecidable manual SG 351 0.3996 0.04 0.5
--.ASS.Z. 1990-05-23T17:30:03.00 10.0 undecidable manual SG 263 0.2664 0.23 0.1
--.ARV.Z. 1990-05-23T17:30:00.49 10.0 undecidable manual PG 351 0.3996 -0.1 0.9
--.RMF.Z. 1990-05-23T17:30:00.80 10.0 undecidable manual SG 136 0.1887 -0.16 0.4
--.CIO.Z. 1990-05-23T17:29:58.26 10.0 undecidable manual SG 40 0.1221 -0.19 0.3
--.ASS.Z. 1990-05-23T17:29:58.00 10.0 undecidable manual PG 263 0.2664 -0.17 0.7
--.RMF.Z. 1990-05-23T17:29:56.76 10.0 undecidable manual PG 136 0.1887 0.05 3
--.CIO.Z. 1990-05-23T17:29:55.80 10.0 undecidable manual PG 40 0.1221 0.12 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