Earthquake with magnitude of Md 2.0 on date 31-07-2004 and time 12:57:31 (UTC) in region N Montagnareale (ME)

A magnitude Md 2.0 earthquake occured in region: N Montagnareale (ME), on

  • 31-07-2004 12:57:31 (UTC)
  • 31-07-2004 14:57:31 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.1370, 14.9470 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
Montagnareale ME 0 1615 1615
Patti ME 2 13431 15046
Librizzi ME 4 1660 16706
Gioiosa Marea ME 6 7074 23780
Sant'Angelo di Brolo ME 6 3090 26870
Piraino ME 8 3962 30832
Raccuja ME 10 1041 31873
San Piero Patti ME 10 2915 34788
Oliveri ME 10 2181 36969
Sinagra ME 10 2705 39674
Brolo ME 11 5783 45457
Ficarra ME 11 1469 46926
Ucria ME 12 1058 47984
Falcone ME 12 2808 50792
Basicò ME 13 612 51404
Castell'Umberto ME 14 3128 54532
Montalbano Elicona ME 14 2287 56819
Naso ME 14 3813 60632
Tortorici ME 16 6435 67067
Furnari ME 16 3784 70851
Tripi ME 17 873 71724
San Salvatore di Fitalia ME 17 1319 73043
Floresta ME 17 485 73528
Mazzarrà Sant'Andrea ME 17 1531 75059
Mirto ME 18 974 76033
Capo d'Orlando ME 18 13254 89287
Terme Vigliatore ME 19 7395 96682
Frazzanò ME 19 711 97393
Galati Mamertino ME 19 2627 100020
Rodì Milici ME 20 2056 102076

Municipalities with at least 50000 inhabitants

An earthquake occurred to
54 Km W of Messina (238439 inhabitants)
61 Km W of Reggio di Calabria (183035 inhabitants)
61 Km NW of Acireale (52622 inhabitants)
72 Km N 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 2.0
ML-VAX 2.3
2004-07-31
12:57:31
38.137 14.947 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 502199
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2004-07-31 12:57:31 ± 0.21
Latitude 38.1370 ± 0.0131
Longitude 14.9470 ± 0.0167
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 502199

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) 2061.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 90
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) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00251
Epicentral distance of station farthest from the epicenter (degree) 0.00583
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitudes information

Md:2.0

Field Value
Value 2.0
Uncertainty
Num. used stations 5
Type of magnitude Md
Reference to an origin 502199
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 01:00:16

ML:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 2
Type of magnitude ML
Reference to an origin 502199
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
--.PLLN.Z. 2004-07-31T12:57:43.91 10.0 undecidable manual PG 257 0.6438 -1.08 0.1
--.MNO.Z. 2004-07-31T12:57:43.34 10.0 undecidable manual SG 224 0.2775 0.43 0.1
--.ECTS.Z. 2004-07-31T12:57:42.98 10.0 undecidable manual SG 151 0.2886 -0.07 0.5
--.SLNA.Z. 2004-07-31T12:57:41.25 10.0 undecidable manual PG 347 0.4329 0.27 0.7
--.MSRU.Z. 2004-07-31T12:57:41.33 10.0 undecidable manual PG 73 0.4551 -0.14 1.2
--.ECTS.Z. 2004-07-31T12:57:38.54 10.0 undecidable manual PG 151 0.2886 0.21 1.2
--.MMME.Z. 2004-07-31T12:57:38.76 10.0 positive manual PG 129 0.3108 -0.03 2.9
--.MNO.Z. 2004-07-31T12:57:38.24 10.0 undecidable manual PG 224 0.2775 0 1.2
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