Earthquake with magnitude of Md 2.5 on date 23-01-1993 and time 05:09:58 (Italy) in region 2 km W Caldarola (MC)

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

  • 23-01-1993 04:09:58 (UTC)
  • 23-01-1993 05:09:58 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.14, 13.21 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
Caldarola MC 2 1823 1823
Belforte del Chienti MC 3 1886 3709
Serrapetrona MC 4 966 4675
Camporotondo di Fiastrone MC 5 563 5238
Cessapalombo MC 6 512 5750
San Ginesio MC 10 3498 9248
Tolentino MC 10 20069 29317
San Severino Marche MC 10 12726 42043
Camerino MC 11 6974 49017
Colmurano MC 12 1263 50280
Fiastra MC 13 559 50839
Acquacanina MC 13 121 50960
Ripe San Ginesio MC 13 852 51812
Gualdo MC 14 815 52627
Pievebovigliana MC 14 866 53493
Sarnano MC 14 3264 56757
Castelraimondo MC 14 4587 61344
Muccia MC 15 915 62259
Urbisaglia MC 15 2628 64887
Fiordimonte MC 15 202 65089
Gagliole MC 16 620 65709
Sant'Angelo in Pontano MC 16 1436 67145
Bolognola MC 17 142 67287
Pieve Torina MC 17 1458 68745
Loro Piceno MC 17 2401 71146
Pollenza MC 18 6618 77764
Pioraco MC 19 1134 78898

Municipalities with at least 50000 inhabitants

An earthquake occurred to
46 Km E of Foligno (57155 inhabitants)
58 Km SW of Ancona (100861 inhabitants)
67 Km E of Perugia (166134 inhabitants)
67 Km NW of Teramo (54892 inhabitants)
79 Km NE of Terni (111501 inhabitants)
79 Km S of Fano (60888 inhabitants)
89 Km S of Pesaro (94582 inhabitants)
89 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
Rev 1000 Md 2.5
ML-VAX 1.7
1993-01-23
04:09:58
43.14 13.21 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 179209
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1993-01-23 04:09:58 ± 0.406
Latitude 43.14 ± 0.01
Longitude 13.21 ± 0.03
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 179209

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) 3065.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 191
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) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00356
Epicentral distance of station farthest from the epicenter (degree) 0.01344
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitudes information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 5
Type of magnitude Md
Reference to an origin 179209
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:48:04

ML:1.7

Field Value
Value 1.7
Uncertainty
Num. used stations 5
Type of magnitude ML
Reference to an origin 179209
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 Takeoff_angle Residual Weight
--.SDI.Z. 1993-01-23T04:10:27.72 10.0 undecidable manual PN 162 0.0134 1.62 0.2
--.AQU.Z. 1993-01-23T04:10:27.60 10.0 undecidable manual SG 169 0.0072 -0.22 0.6
--.RSM.Z. 1993-01-23T04:10:18.50 10.0 undecidable manual PG 325 0.0086 0 1.6
--.ARV.Z. 1993-01-23T04:10:14.13 10.0 undecidable manual SG 331 0.0036 -0.16 0.7
--.ASS.Z. 1993-01-23T04:10:14.90 10.0 undecidable manual SG 258 0.0037 0.19 0.7
--.AQU.Z. 1993-01-23T04:10:13.95 10.0 undecidable manual PG 169 0.0072 -1.23 0.5
--.ASS.Z. 1993-01-23T04:10:08.20 10.0 undecidable manual PG 258 0.0037 0.1 1.8
--.ARV.Z. 1993-01-23T04:10:07.54 10.0 undecidable manual PG 331 0.0036 -0.14 1.8
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
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