Earthquake with magnitude of Md 1.8 on date 01-10-1990 and time 04:04:58 (UTC) in region 1 km NE Polistena (RC)

A magnitude Md 1.8 earthquake occured in region: 1 km NE Polistena (RC), on

  • 01-10-1990 04:04:58 (UTC)
  • 01-10-1990 05:04:58 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.4160, 16.0810 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
Polistena RC 1 10496 10496
Cinquefrondi RC 1 6539 17035
Anoia RC 2 2212 19247
Melicucco RC 3 5101 24348
Maropati RC 3 1524 25872
San Giorgio Morgeto RC 4 3058 28930
Galatro RC 6 1709 30639
Feroleto della Chiesa RC 6 1695 32334
Giffone RC 7 1907 34241
Cittanova RC 7 10410 44651
Laureana di Borrello RC 8 5174 49825
Taurianova RC 9 15636 65461
Candidoni RC 10 416 65877
Rizziconi RC 11 7829 73706
Serrata RC 11 845 74551
Rosarno RC 12 14841 89392
Terranova Sappo Minulio RC 12 523 89915
San Pietro di Caridà RC 13 1195 91110
Molochio RC 13 2564 93674
Varapodio RC 14 2160 95834
Dinami VV 14 2168 98002
Mammola RC 15 2847 100849
Canolo RC 15 746 101595
Oppido Mamertina RC 16 5332 106927
Gioia Tauro RC 16 19864 126791
San Ferdinando RC 16 4490 131281
Antonimina RC 17 1317 132598
Grotteria RC 17 3154 135752
Agnana Calabra RC 18 562 136314
San Giovanni di Gerace RC 18 481 136795
San Calogero VV 18 4315 141110
Acquaro VV 18 2484 143594
Limbadi VV 19 3695 147289
Nicotera VV 19 6290 153579
Martone RC 19 530 154109
Dasà VV 20 1208 155317
Ciminà RC 20 568 155885
Arena VV 20 1456 157341
Gerace RC 20 2652 159993

Municipalities with at least 50000 inhabitants

An earthquake occurred to
51 Km NE of Reggio di Calabria (183035 inhabitants)
52 Km NE of Messina (238439 inhabitants)
66 Km SW of Lamezia Terme (70714 inhabitants)
71 Km SW of Catanzaro (90612 inhabitants)
99 Km S of Cosenza (67546 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 1.8 1990-10-01
04:04:58
38.416 16.081 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 128049
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1990-10-01 04:04:58 ± 0.168
Latitude 38.4160 ± 0.0065
Longitude 16.0810 ± 0.0289
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 128049

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) 2616.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 176
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 7
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00227
Epicentral distance of station farthest from the epicenter (degree) 0.00720
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

Md:1.8

Field Value
Value 1.8
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 128049
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:59:05
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.CZI.Z. 1990-10-01T04:05:14.32 10.0 undecidable manual PG 2 0.7992 -0.08 0.9
--.SOI.Z. 1990-10-01T04:05:12.00 10.0 undecidable manual SG 183 0.3441 0.63 0
--.DR2.Z. 1990-10-01T04:05:08.43 10.0 undecidable manual SG 332 0.2553 -0.13 0.5
--.SOI.Z. 1990-10-01T04:05:06.00 10.0 undecidable manual PG 183 0.3441 0.1 1.4
--.FE2.Z. 1990-10-01T04:05:06.22 10.0 undecidable manual PG 179 0.3663 -0.3 0.6
--.GA2.Z. 1990-10-01T04:05:05.20 10.0 undecidable manual PG 218 0.3108 -0.2 1
--.DR2.Z. 1990-10-01T04:05:04.41 10.0 positive manual PG 332 0.2553 0.14 2.5
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