Earthquake with magnitude of Md 2.3 on date 04-02-1990 and time 16:42:34 (Italy) in region 5 km SW Caldarola (MC)

A magnitude Md 2.3 earthquake occured in region: 5 km SW Caldarola (MC), on

  • 04-02-1990 15:42:34 (UTC)
  • 04-02-1990 16:42:34 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.1000, 13.1890 at 6 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
Caldarola MC 5 1823 1823
Cessapalombo MC 6 512 2335
Camporotondo di Fiastrone MC 7 563 2898
Fiastra MC 8 559 3457
Acquacanina MC 8 121 3578
Belforte del Chienti MC 8 1886 5464
Serrapetrona MC 9 966 6430
Pievebovigliana MC 9 866 7296
San Ginesio MC 11 3498 10794
Camerino MC 11 6974 17768
Fiordimonte MC 11 202 17970
Sarnano MC 12 3264 21234
Muccia MC 12 915 22149
Bolognola MC 12 142 22291
Pieve Torina MC 13 1458 23749
Gualdo MC 13 815 24564
Tolentino MC 15 20069 44633
San Severino Marche MC 15 12726 57359
Ripe San Ginesio MC 15 852 58211
Colmurano MC 16 1263 59474
Castelraimondo MC 16 4587 64061
Sant'Angelo in Pontano MC 17 1436 65497
Ussita MC 18 444 65941
Gagliole MC 18 620 66561
Pioraco MC 19 1134 67695
Urbisaglia MC 19 2628 70323
Amandola FM 19 3629 73952
Monte Cavallo MC 19 145 74097
Serravalle di Chienti MC 19 1070 75167
Penna San Giovanni MC 20 1108 76275

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km E of Foligno (57155 inhabitants)
64 Km SW of Ancona (100861 inhabitants)
65 Km NW of Teramo (54892 inhabitants)
65 Km E of Perugia (166134 inhabitants)
74 Km NE of Terni (111501 inhabitants)
84 Km S of Fano (60888 inhabitants)
85 Km N of L'Aquila (69753 inhabitants)
93 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 2.3
ML-VAX 1.9
1990-02-04
15:42:34
43.1 13.189 6 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 109499
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1990-02-04 15:42:34 ± 0.214
Latitude 43.1000 ± 0.0105
Longitude 13.1890 ± 0.0313
Depth (km) 6 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 109499

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) 2793.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 98
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00089
Epicentral distance of station farthest from the epicenter (degree) 0.00720
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitudes information

Md:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 109499
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:41:51

ML:1.9

Field Value
Value 1.9
Uncertainty
Num. used stations 2
Type of magnitude ML
Reference to an origin 109499
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 13:07:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.MNS.Z. 1990-02-04T15:43:04.61 10.0 undecidable manual SG 207 0.7992 1.17 0.1
--.MNS.Z. 1990-02-04T15:42:52.61 10.0 undecidable manual PG 207 0.7992 1.23 0.2
--.ARV.Z. 1990-02-04T15:42:51.96 10.0 undecidable manual SG 335 0.4329 0.38 0.5
--.ALP.Z. 1990-02-04T15:42:50.70 10.0 undecidable manual SG 138 0.4107 -0.42 0.5
--.ASS.Z. 1990-02-04T15:42:49.60 10.0 undecidable manual SG 264 0.3885 -1.13 0.1
--.SSO.Z. 1990-02-04T15:42:47.33 10.0 undecidable manual SG! 40 0.2553 2.32 0
--.ARV.Z. 1990-02-04T15:42:44.50 10.0 undecidable manual PG 335 0.4329 -0.04 1.4
--.ALP.Z. 1990-02-04T15:42:43.18 10.0 undecidable manual PG 138 0.4107 -1.09 0.3
--.ASS.Z. 1990-02-04T15:42:43.40 10.0 undecidable manual PG 264 0.3885 -0.34 1.3
--.SSO.Z. 1990-02-04T15:42:41.55 10.0 undecidable manual PG 40 0.2553 0.81 0.7
--.RM8.Z. 1990-02-04T15:42:41.00 10.0 undecidable manual SG 174 0.1443 0.05 0.9
--.CIO.Z. 1990-02-04T15:42:39.80 10.0 undecidable manual SG 340 0.0999 -0.25 0.9
--.RM8.Z. 1990-02-04T15:42:38.29 10.0 positive manual PG 174 0.1443 -0.11 3.1
--.CIO.Z. 1990-02-04T15:42:37.33 10.0 positive manual PG 340 0.0999 -0.14 3.1
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download