Earthquake with magnitude of Md 2.0 on date 26-09-1997 and time 14:51:33 (Italy) in region 5 km SW Caldarola (MC)

A magnitude Md 2.0 earthquake occured in region: 5 km SW Caldarola (MC), on

  • 26-09-1997 12:51:33 (UTC)
  • 26-09-1997 14:51:33 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1170, 13.1740 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 5 1823 1823
Serrapetrona MC 7 966 2789
Cessapalombo MC 7 512 3301
Belforte del Chienti MC 8 1886 5187
Camporotondo di Fiastrone MC 8 563 5750
Camerino MC 9 6974 12724
Fiastra MC 9 559 13283
Pievebovigliana MC 9 866 14149
Acquacanina MC 10 121 14270
Muccia MC 11 915 15185
Fiordimonte MC 11 202 15387
San Ginesio MC 12 3498 18885
San Severino Marche MC 13 12726 31611
Pieve Torina MC 13 1458 33069
Tolentino MC 14 20069 53138
Sarnano MC 14 3264 56402
Castelraimondo MC 14 4587 60989
Bolognola MC 14 142 61131
Gualdo MC 14 815 61946
Colmurano MC 16 1263 63209
Gagliole MC 16 620 63829
Ripe San Ginesio MC 16 852 64681
Pioraco MC 17 1134 65815
Sant'Angelo in Pontano MC 18 1436 67251
Sefro MC 19 422 67673
Serravalle di Chienti MC 19 1070 68743
Urbisaglia MC 19 2628 71371
Ussita MC 19 444 71815
Monte Cavallo MC 20 145 71960

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km E of Foligno (57155 inhabitants)
62 Km SW of Ancona (100861 inhabitants)
64 Km E of Perugia (166134 inhabitants)
67 Km NW of Teramo (54892 inhabitants)
75 Km NE of Terni (111501 inhabitants)
82 Km S of Fano (60888 inhabitants)
87 Km N of L'Aquila (69753 inhabitants)
91 Km S of Pesaro (94582 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 1997-09-26
12:51:33
43.117 13.174 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 279639
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-09-26 12:51:33 ± 0.973
Latitude 43.1170 ± 0.0249
Longitude 13.1740 ± 0.0911
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 279639

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) 7893.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 230
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 7
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.9
Epicentral distance of station closest to the epicenter (degree) 0.00340
Epicentral distance of station farthest from the epicenter (degree) 0.00729
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:2.0

Field Value
Value 2.0
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 279639
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:24:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.FB9.Z. 1997-09-26T12:51:55.81 10.0 undecidable manual SG 333 0.6327 -1.46 0.3
--.ASS.Z. 1997-09-26T12:51:50.50 10.0 undecidable manual SG 261 0.3774 1.8 0.2
--.MNS.Z. 1997-09-26T12:51:50.79 10.0 undecidable manual PG 206 0.8103 0.23 1.7
--.ARV.Z. 1997-09-26T12:51:50.50 10.0 undecidable manual SG 335 0.4107 0.6 0.8
--.FB9.Z. 1997-09-26T12:51:48.65 10.0 undecidable manual PG 333 0.6327 1.31 1
--.ARV.Z. 1997-09-26T12:51:42.57 10.0 undecidable manual PG 335 0.4107 -0.51 2
--.ASS.Z. 1997-09-26T12:51:40.96 10.0 undecidable manual PG 261 0.3774 -1.42 1
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