Earthquake with magnitude of Md 2.5 on date 14-12-2001 and time 03:36:15 (Italy) in region 5 km NE Villarosa (EN)

A magnitude Md 2.5 earthquake occured in region: 5 km NE Villarosa (EN), on

  • 14-12-2001 02:36:15 (UTC)
  • 14-12-2001 03:36:15 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.63, 14.2 at 0 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
Villarosa EN 6 4937 4937
Calascibetta EN 8 4528 9465
Enna EN 10 28019 37484
Alimena PA 11 2032 39516
Santa Caterina Villarmosa CL 16 5388 44904
Bompietro PA 16 1401 46305
Resuttano CL 16 2038 48343
Leonforte EN 17 13439 61782
Blufi PA 18 1029 62811
Gangi PA 19 6811 69622
Assoro EN 19 5191 74813
Sperlinga EN 20 805 75618
Caltanissetta CL 20 63360 138978

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km NE of Caltanissetta (63360 inhabitants)
63 Km N of Gela (75827 inhabitants)
65 Km NE of Agrigento (59770 inhabitants)
79 Km SE of Bagheria (55387 inhabitants)
79 Km W of Catania (314555 inhabitants)
81 Km NW of Vittoria (63339 inhabitants)
85 Km W of Acireale (52622 inhabitants)
91 Km NW of Ragusa (73313 inhabitants)
92 Km SE of Palermo (674435 inhabitants)
99 Km NW of Modica (54633 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 2.5
ML-VAX 1.9
2001-12-14
02:36:15
37.63 14.21 0 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 433089
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2001-12-14 02:36:15 ± 0.557
Latitude 37.63 ± 0.02
Longitude 14.21 ± 0.03
Depth (km) 0 ± 7 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 433089

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) 3441.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 130
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
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) 0.00291
Epicentral distance of station farthest from the epicenter (degree) 0.01368
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitudes information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 433089
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 23:48:58

ML:1.9

Field Value
Value 1.9
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 433089
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 Takeoff_angle Residual Weight
--.AGST.Z. 2001-12-14T02:36:47.72 10.0 undecidable manual SG 114 0.008 0.05 0.6
--.PZI.Z. 2001-12-14T02:36:46.26 10.0 undecidable manual SG 134 0.0074 0.82 0.3
--.SOI.Z. 2001-12-14T02:36:45.20 10.0 undecidable manual PN 72 0.0137 1.3 0.2
--.AGST.Z. 2001-12-14T02:36:33.18 10.0 undecidable manual PG 114 0.008 -0.75 0.9
--.PZI.Z. 2001-12-14T02:36:32.80 10.0 undecidable manual PG 134 0.0074 -0.56 1.2
--.CLTB.Z. 2001-12-14T02:36:31.43 10.0 undecidable manual PG 266 0.007 -0.52 1.3
--.GIB.Z. 2001-12-14T02:36:30.34 10.0 undecidable manual SG 338 0.0034 0.38 0.6
--.MEU.Z. 2001-12-14T02:36:30.53 10.0 undecidable manual PG 136 0.0064 -0.17 1.7
--.CSLB.Z. 2001-12-14T02:36:28.86 10.0 undecidable manual SG 339 0.0029 1.1 0.2
--.MCT.Z. 2001-12-14T02:36:26.49 10.0 undecidable manual PG 268 0.0042 0.83 0.9
--.GIB.Z. 2001-12-14T02:36:23.70 10.0 negative manual PG 338 0.0034 -0.64 2.4
--.CSLB.Z. 2001-12-14T02:36:22.23 10.0 undecidable manual PG 339 0.0029 -0.21 1.7
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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