Earthquake with magnitude of Md 2.5 on date 14-08-1994 and time 20:24:38 (Italy) in region 5 km NW San Severino Marche (MC)

A magnitude Md 2.5 earthquake occured in region: 5 km NW San Severino Marche (MC), on

  • 14-08-1994 18:24:38 (UTC)
  • 14-08-1994 20:24:38 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.2610, 13.1400 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
San Severino Marche MC 5 12726 12726
Gagliole MC 6 620 13346
Castelraimondo MC 9 4587 17933
Serrapetrona MC 10 966 18899
Matelica MC 11 9981 28880
Tolentino MC 13 20069 48949
Belforte del Chienti MC 13 1886 50835
Poggio San Vicino MC 14 246 51081
Cerreto d'Esi AN 14 3817 54898
Cingoli MC 14 10352 65250
Apiro MC 15 2280 67530
Camerino MC 15 6974 74504
Treia MC 15 9403 83907
Caldarola MC 15 1823 85730
Pioraco MC 15 1134 86864
Esanatoglia MC 16 2034 88898
Pollenza MC 17 6618 95516
Camporotondo di Fiastrone MC 18 563 96079
Fiuminata MC 19 1402 97481
Cessapalombo MC 19 512 97993
Staffolo AN 20 2253 100246
Sefro MC 20 422 100668

Municipalities with at least 50000 inhabitants

An earthquake occurred to
49 Km NE of Foligno (57155 inhabitants)
50 Km SW of Ancona (100861 inhabitants)
63 Km E of Perugia (166134 inhabitants)
66 Km S of Fano (60888 inhabitants)
75 Km S of Pesaro (94582 inhabitants)
81 Km NW of Teramo (54892 inhabitants)
88 Km NE of Terni (111501 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 2.5
ML-VAX 2.2
1994-08-14
18:24:38
43.261 13.14 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 214879
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1994-08-14 18:24:38 ± 0.481
Latitude 43.2610 ± 0.0127
Longitude 13.1400 ± 0.0437
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 214879

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) 3812.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 232
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 9
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) 0.00243
Epicentral distance of station farthest from the epicenter (degree) 0.01077
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitudes information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 214879
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 20:22:39

ML:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 214879
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
--.PGD.Z. 1994-08-14T18:25:02.83 10.0 undecidable manual PN 301 1.1988 0.66 0.8
--.SFI.Z. 1994-08-14T18:25:02.70 10.0 undecidable manual PN 304 1.1322 0.74 0.7
--.CRE.Z. 1994-08-14T18:24:57.93 10.0 undecidable manual PG 292 0.9213 0.05 1.7
--.MNS.Z. 1994-08-14T18:24:57.84 10.0 undecidable manual PG 201 0.9324 -0.09 1.7
--.RSM.Z. 1994-08-14T18:24:56.13 10.0 undecidable manual PG 323 0.8214 0.13 1.7
--.ASS.Z. 1994-08-14T18:24:55.24 10.0 undecidable manual SG 240 0.3996 0.56 0.4
--.ARV.Z. 1994-08-14T18:24:49.50 10.0 undecidable manual SG 329 0.2664 -0.23 0.7
--.ASS.Z. 1994-08-14T18:24:47.11 10.0 undecidable manual PG 240 0.3996 -0.9 0.7
--.ARV.Z. 1994-08-14T18:24:44.24 10.0 undecidable manual PG 329 0.2664 -0.91 0.6
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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