Earthquake with magnitude of Md 2.2 on date 18-12-1994 and time 01:40:55 (UTC) in region 4 km NW Esanatoglia (MC)

A magnitude Md 2.2 earthquake occured in region: 4 km NW Esanatoglia (MC), on

  • 18-12-1994 01:40:55 (UTC)
  • 18-12-1994 02:40:55 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.283, 12.914 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
Esanatoglia MC 4 2034 2034
Fabriano AN 6 31480 33514
Cerreto d'Esi AN 7 3817 37331
Matelica MC 8 9981 47312
Fiuminata MC 11 1402 48714
Gualdo Tadino PG 12 15208 63922
Fossato di Vico PG 12 2840 66762
Pioraco MC 13 1134 67896
Gagliole MC 13 620 68516
Castelraimondo MC 14 4587 73103
Sigillo PG 15 2404 75507
Sefro MC 15 422 75929
Genga AN 17 1797 77726
Poggio San Vicino MC 17 246 77972
Sassoferrato AN 18 7285 85257
Costacciaro PG 18 1216 86473

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km NE of Foligno (57155 inhabitants)
47 Km E of Perugia (166134 inhabitants)
62 Km SW of Ancona (100861 inhabitants)
63 Km S of Fano (60888 inhabitants)
70 Km S of Pesaro (94582 inhabitants)
83 Km N of Terni (111501 inhabitants)
86 Km E of Arezzo (99543 inhabitants)
91 Km SE of Rimini (147750 inhabitants)
95 Km NW of Teramo (54892 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 2.2 1994-12-18
01:40:55
43.283 12.914 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 221389
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1994-12-18 01:40:55 ± 0.412
Latitude 43.2830 ± 0.0173
Longitude 12.9140 ± 0.0549
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 221389

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) 4842.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 185
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) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.00194
Epicentral distance of station farthest from the epicenter (degree) 0.00818
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitude information

Md:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 221389
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 20:29:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.MNS.Z. 1994-12-18T01:41:28.50 10.0 undecidable manual SG 190 0.0082 0.55 0.4
--.CRE.Z. 1994-12-18T01:41:25.00 10.0 undecidable manual SG 296 0.007 1.47 0.1
--.MNS.Z. 1994-12-18T01:41:15.00 10.0 undecidable manual PG 190 0.0082 0.66 0.9
--.CRE.Z. 1994-12-18T01:41:11.50 10.0 undecidable manual PG 296 0.007 -0.29 1.4
--.ASS.Z. 1994-12-18T01:41:06.00 10.0 undecidable manual SG 221 0.0026 -1.11 0.2
--.ARV.Z. 1994-12-18T01:41:04.18 10.0 undecidable manual SG 5 0.0019 -0.12 0.8
--.ASS.Z. 1994-12-18T01:41:01.34 10.0 undecidable manual PG 221 0.0026 -0.97 0.7
--.ARV.Z. 1994-12-18T01:41:00.41 10.0 positive manual PG 5 0.0019 -0.28 3.5
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