Earthquake with magnitude of Md 2.5 on date 22-09-1994 and time 20:55:37 (Italy) in region 2 km W Serrapetrona (MC)

A magnitude Md 2.5 earthquake occured in region: 2 km W Serrapetrona (MC), on

  • 22-09-1994 18:55:37 (UTC)
  • 22-09-1994 20:55:37 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1700, 13.1630 at 38 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
Serrapetrona MC 2 966 966
Belforte del Chienti MC 6 1886 2852
Caldarola MC 6 1823 4675
San Severino Marche MC 7 12726 17401
Camerino MC 9 6974 24375
Camporotondo di Fiastrone MC 9 563 24938
Castelraimondo MC 10 4587 29525
Cessapalombo MC 10 512 30037
Tolentino MC 11 20069 50106
Gagliole MC 11 620 50726
Pievebovigliana MC 13 866 51592
Muccia MC 14 915 52507
San Ginesio MC 14 3498 56005
Pioraco MC 14 1134 57139
Fiastra MC 15 559 57698
Acquacanina MC 16 121 57819
Matelica MC 16 9981 67800
Colmurano MC 16 1263 69063
Fiordimonte MC 16 202 69265
Pieve Torina MC 17 1458 70723
Ripe San Ginesio MC 17 852 71575
Sefro MC 17 422 71997
Urbisaglia MC 18 2628 74625
Gualdo MC 18 815 75440
Pollenza MC 19 6618 82058
Sarnano MC 19 3264 85322
Fiuminata MC 19 1402 86724
Esanatoglia MC 20 2034 88758
Treia MC 20 9403 98161

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km NE of Foligno (57155 inhabitants)
58 Km SW of Ancona (100861 inhabitants)
63 Km E of Perugia (166134 inhabitants)
72 Km NW of Teramo (54892 inhabitants)
76 Km S of Fano (60888 inhabitants)
80 Km NE of Terni (111501 inhabitants)
85 Km S of Pesaro (94582 inhabitants)
93 Km N of L'Aquila (69753 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 2.1
1994-09-22
18:55:37
43.17 13.163 38 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 216759
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1994-09-22 18:55:37 ± 0.649
Latitude 43.1700 ± 0.0233
Longitude 13.1630 ± 0.0793
Depth (km) 38 ± 10 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 216759

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) 6932.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 193
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 15
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) 0.00324
Epicentral distance of station farthest from the epicenter (degree) 0.01133
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 8
Type of magnitude Md
Reference to an origin 216759
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 20:24:34

ML:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 2
Type of magnitude ML
Reference to an origin 216759
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
--.SFI.Z. 1994-09-22T18:56:13.79 10.0 undecidable manual S 307 1.1988 1.36 0.1
--.PGD.Z. 1994-09-22T18:56:12.72 10.0 undecidable manual S 304 1.2543 -1.05 0.2
--.RSM.Z. 1994-09-22T18:56:06.70 10.0 undecidable manual S 325 0.9102 1.02 0.3
--.MNS.Z. 1994-09-22T18:56:05.40 10.0 undecidable manual S 204 0.8547 0.68 0.5
--.CRE.Z. 1994-09-22T18:56:05.55 10.0 undecidable manual S 297 0.9768 -1.79 0.1
--.SFI.Z. 1994-09-22T18:55:57.62 10.0 undecidable manual P 307 1.1988 0.09 1.4
--.PGD.Z. 1994-09-22T18:55:57.80 10.0 undecidable manual P 304 1.2543 -0.51 1.2
--.CRE.Z. 1994-09-22T18:55:54.24 10.0 undecidable manual P 297 0.9768 -0.34 1.5
--.RSM.Z. 1994-09-22T18:55:54.11 10.0 undecidable manual P 325 0.9102 0.47 1.4
--.ARV.Z. 1994-09-22T18:55:53.39 10.0 undecidable manual S 334 0.3552 0.49 0.6
--.MNS.Z. 1994-09-22T18:55:53.91 10.0 positive manual P 204 0.8547 1.03 1.6
--.ASS.Z. 1994-09-22T18:55:52.92 10.0 undecidable manual S 253 0.3885 -0.45 0.6
--.AQU.Z. 1994-09-22T18:55:50.90 10.0 undecidable manual P 167 0.8214 -1.61 0.3
--.ARV.Z. 1994-09-22T18:55:46.18 10.0 undecidable manual P 334 0.3552 -0.08 1.7
--.ASS.Z. 1994-09-22T18:55:46.32 10.0 positive manual P 253 0.3885 -0.21 3.4
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download