Earthquake with magnitude of Md 2.6 on date 25-04-1987 and time 04:09:27 (Italy) in region 1 km NE Verzino (KR)

A magnitude Md 2.6 earthquake occured in region: 1 km NE Verzino (KR), on

  • 25-04-1987 02:09:27 (UTC)
  • 25-04-1987 04:09:27 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 39.32, 16.87 at 5 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
Verzino KR 1 1851 1851
Pallagorio KR 4 1217 3068
Umbriatico KR 6 863 3931
Savelli KR 7 1271 5202
Carfizzi KR 10 661 5863
San Nicola dell'Alto KR 10 856 6719
Castelsilano KR 10 1015 7734
Cerenzia KR 11 1152 8886
Casabona KR 11 2718 11604
Campana CS 11 1813 13417
Belvedere di Spinello KR 12 2297 15714
Caccuri KR 12 1663 17377
Melissa KR 14 3549 20926
Bocchigliero CS 15 1298 22224
Scala Coeli CS 15 1014 23238
San Giovanni in Fiore CS 16 17372 40610
Crucoli KR 17 3115 43725
Strongoli KR 17 6571 50296
Mandatoriccio CS 17 2872 53168
Terravecchia CS 18 823 53991
Rocca di Neto KR 18 5687 59678
CirĂ² KR 18 2936 62614
Santa Severina KR 19 2131 64745
Pietrapaola CS 20 1141 65886

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km NW of Crotone (62178 inhabitants)
51 Km NE of Catanzaro (90612 inhabitants)
53 Km E of Cosenza (67546 inhabitants)
61 Km NE of Lamezia Terme (70714 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
Rev 1000 Md 2.6 1987-04-25
02:09:27
39.32 16.87 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 45619
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1987-04-25 02:09:27 ± 0.624
Latitude 39.32 ± 0.02
Longitude 16.87 ± 0.08
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 45619

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) 7333.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 199
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) 0.7
Epicentral distance of station closest to the epicenter (degree) 0.00478
Epicentral distance of station farthest from the epicenter (degree) 0.01408
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

Md:2.6

Field Value
Value 2.6
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 45619
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:44:55
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.ORI.Z. 1987-04-25T02:09:56.00 10.0 undecidable manual SG 335 0.0072 0.2 0.6
--.BRT.Z. 1987-04-25T02:09:55.00 10.0 undecidable manual PN 7 0.0141 -0.57 1.1
--.SO9.Z. 1987-04-25T02:09:53.50 10.0 undecidable manual PN 206 0.0125 0.33 1.5
--.MG9.Z. 1987-04-25T02:09:52.20 10.0 undecidable manual PN 309 0.0117 0.34 1.3
--.GR9.Z. 1987-04-25T02:09:50.00 10.0 undecidable manual SG 213 0.0054 0.59 0.5
--.ORI.Z. 1987-04-25T02:09:44.70 10.0 undecidable manual PG 335 0.0072 1 0.8
--.GR9.Z. 1987-04-25T02:09:39.50 10.0 undecidable manual PG 213 0.0054 -0.51 1.7
--.TS9.Z. 1987-04-25T02:09:36.70 10.0 undecidable manual PG 309 0.0048 -2.01 0.4
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
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