Earthquake with magnitude of Md 2.1 on date 23-03-1988 and time 10:28:11 (UTC) in region 1 km SE San Basile (CS)

A magnitude Md 2.1 earthquake occured in region: 1 km SE San Basile (CS), on

  • 23-03-1988 10:28:11 (UTC)
  • 23-03-1988 11:28:11 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 39.8060, 16.1680 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
San Basile CS 1 1055 1055
Castrovillari CS 3 22240 23295
Saracena CS 3 3828 27123
Morano Calabro CS 5 4576 31699
Lungro CS 8 2592 34291
Frascineto CS 9 2154 36445
Firmo CS 9 2115 38560
Acquaformosa CS 11 1106 39666
Altomonte CS 12 4488 44154
Civita CS 13 902 45056
Cassano all'Ionio CS 13 18495 63551
San Donato di Ninea CS 15 1360 64911
San Lorenzo Bellizzi CS 17 644 65555
Mormanno CS 18 3027 68582
San Lorenzo del Vallo CS 19 3394 71976
Francavilla Marittima CS 19 2910 74886
Cerchiara di Calabria CS 19 2385 77271
Mottafollone CS 20 1236 78507
Rotonda PZ 20 3494 82001
Viggianello PZ 20 3025 85026
Spezzano Albanese CS 20 7028 92054

Municipalities with at least 50000 inhabitants

An earthquake occurred to
57 Km N of Cosenza (67546 inhabitants)
93 Km N of Lamezia Terme (70714 inhabitants)
98 Km SE of Potenza (67122 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 2.1 1988-03-23
10:28:11
39.806 16.168 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 64989
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1988-03-23 10:28:11 ± 0.364
Latitude 39.8060 ± 0.0198
Longitude 16.1680 ± 0.0311
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 64989

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) 3452.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 167
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) 0.6
Epicentral distance of station closest to the epicenter (degree) 0.00170
Epicentral distance of station farthest from the epicenter (degree) 0.00510
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:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 64989
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:01:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.MGR.Z. 1988-03-23T10:28:33.00 10.0 undecidable manual SG 305 0.5661 1.3 0.1
--.ORI.Z. 1988-03-23T10:28:24.00 10.0 undecidable manual SG 40 0.3108 0.38 0.8
--.MGR.Z. 1988-03-23T10:28:22.50 10.0 undecidable manual PG 305 0.5661 -0.59 1.2
--.TDS.Z. 1988-03-23T10:28:20.17 10.0 undecidable manual SG 138 0.1887 0.64 0.6
--.ORI.Z. 1988-03-23T10:28:17.50 10.0 undecidable manual PG 40 0.3108 -0.93 1
--.TDS.Z. 1988-03-23T10:28:15.96 10.0 undecidable manual PG 138 0.1887 -0.11 2.3
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