Earthquake with magnitude of Md 2.1 on date 22-03-2004 and time 01:54:02 (Italy) in region 3 km S Roccaforte del Greco (RC)

A magnitude Md 2.1 earthquake occured in region: 3 km S Roccaforte del Greco (RC), on

  • 22-03-2004 00:54:02 (UTC)
  • 22-03-2004 01:54:02 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.0200, 15.9080 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
Roccaforte del Greco RC 3 476 476
Bova RC 4 448 924
Condofuri RC 5 5113 6037
San Lorenzo RC 7 2640 8677
Bagaladi RC 8 1039 9716
Bova Marina RC 10 4235 13951
Staiti RC 11 248 14199
Palizzi RC 13 2480 16679
Montebello Ionico RC 14 6214 22893
Samo RC 14 809 23702
Cardeto RC 14 1641 25343
Bruzzano Zeffirio RC 15 1111 26454
Melito di Porto Salvo RC 15 11355 37809
Ferruzzano RC 16 772 38581
Roghudi RC 16 1104 39685
Sant'Agata del Bianco RC 17 592 40277
Caraffa del Bianco RC 18 539 40816
Brancaleone RC 18 3584 44400
Casignana RC 18 759 45159
Motta San Giovanni RC 19 6208 51367
Santo Stefano in Aspromonte RC 20 1263 52630
San Luca RC 20 3881 56511
Africo RC 20 3075 59586

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km E of Reggio di Calabria (183035 inhabitants)
36 Km SE of Messina (238439 inhabitants)
79 Km NE of Acireale (52622 inhabitants)
92 Km NE of Catania (314555 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
ML-VAX 2.1
2004-03-22
00:54:02
38.02 15.908 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 495229
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2004-03-22 00:54:02 ± 0.208
Latitude 38.0200 ± 0.0199
Longitude 15.9080 ± 0.0106
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 495229

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) 2404.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 198
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) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00113
Epicentral distance of station farthest from the epicenter (degree) 0.00291
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitudes information

Md:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 495229
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 00:52:57

ML:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 2
Type of magnitude ML
Reference to an origin 495229
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
--.MSI.Z. 2004-03-22T00:54:15.91 10.0 undecidable manual SG 303 0.3219 0.4 0.1
--.MSI.Z. 2004-03-22T00:54:10.23 10.0 undecidable manual PG 303 0.3219 0.04 0.9
--.SCLL.Z. 2004-03-22T00:54:09.14 10.0 positive manual PG 327 0.2775 -0.1 1.8
--.MTTG.Z. 2004-03-22T00:54:09.42 10.0 undecidable manual SG 264 0.1665 -0.72 0
--.SOI.Z. 2004-03-22T00:54:08.62 10.0 undecidable manual SG 65 0.1221 -0.3 0.2
--.MTTG.Z. 2004-03-22T00:54:07.23 10.0 negative manual PG 264 0.1665 0.14 1.9
--.SOI.Z. 2004-03-22T00:54:06.45 10.0 positive manual PG 65 0.1221 0.07 2.2
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