Earthquake with magnitude of Md 3.1 on date 17-07-1997 and time 03:52:22 (Italy) in region 4 km NE Acquacanina (MC)

A magnitude Md 3.1 earthquake occured in region: 4 km NE Acquacanina (MC), on

  • 17-07-1997 01:52:22 (UTC)
  • 17-07-1997 03:52:22 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.06, 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
Acquacanina MC 4 121 121
Fiastra MC 5 559 680
Cessapalombo MC 7 512 1192
Bolognola MC 7 142 1334
Sarnano MC 8 3264 4598
Caldarola MC 9 1823 6421
Camporotondo di Fiastrone MC 9 563 6984
Fiordimonte MC 10 202 7186
Pievebovigliana MC 10 866 8052
San Ginesio MC 11 3498 11550
Gualdo MC 11 815 12365
Belforte del Chienti MC 12 1886 14251
Pieve Torina MC 13 1458 15709
Serrapetrona MC 13 966 16675
Muccia MC 13 915 17590
Ussita MC 14 444 18034
Camerino MC 14 6974 25008
Amandola FM 15 3629 28637
Sant'Angelo in Pontano MC 16 1436 30073
Ripe San Ginesio MC 16 852 30925
Colmurano MC 17 1263 32188
Montefortino FM 17 1178 33366
Visso MC 17 1107 34473
Penna San Giovanni MC 18 1108 35581
Tolentino MC 18 20069 55650
Monte Cavallo MC 18 145 55795
Castelsantangelo sul Nera MC 19 281 56076
San Severino Marche MC 19 12726 68802
Monte San Martino MC 19 765 69567

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km E of Foligno (57155 inhabitants)
60 Km NW of Teramo (54892 inhabitants)
67 Km E of Perugia (166134 inhabitants)
67 Km SW of Ancona (100861 inhabitants)
72 Km NE of Terni (111501 inhabitants)
80 Km N of L'Aquila (69753 inhabitants)
89 Km S of Fano (60888 inhabitants)
98 Km S of Pesaro (94582 inhabitants)
98 Km NW of Montesilvano (53738 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 3.1
ML-VAX 2.0
1997-07-17
01:52:22
43.06 13.21 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 273509
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-07-17 01:52:22 ± 0.237
Latitude 43.06 ± 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 273509

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) 2629.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 144
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 23
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) 0.00364
Epicentral distance of station farthest from the epicenter (degree) 0.03003
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 18
Magnitudes information

Md:3.1

Field Value
Value 3.1
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 273509
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:18:28

ML:2

Field Value
Value 2
Uncertainty
Num. used stations 12
Type of magnitude ML
Reference to an origin 273509
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
--.PTCC.Z. 1997-07-17T01:53:13.29 10.0 undecidable manual PN 1 0.03 -1.56 0.2
--.GU9.Z. 1997-07-17T01:53:00.79 10.0 undecidable manual PN 304 0.0206 0.43 1.1
--.BDI.Z. 1997-07-17T01:52:59.36 10.0 undecidable manual PN 298 0.0192 1.07 0.6
--.PQ9.Z. 1997-07-17T01:52:58.36 10.0 undecidable manual SG 171 0.0094 -0.2 0.7
--.ZC9.Z. 1997-07-17T01:52:57.70 10.0 undecidable manual PN 309 0.0185 0.44 1.2
--.DUI.Z. 1997-07-17T01:52:53.37 10.0 undecidable manual PN 145 0.0151 1.42 0.4
--.CPI2.Z. 1997-07-17T01:52:53.73 10.0 undecidable manual PN 150 0.0151 1.65 0.2
--.PLI2.Z. 1997-07-17T01:52:53.60 10.0 undecidable manual PN 156 0.0148 1.46 0.4
--.RFI.Z. 1997-07-17T01:52:53.70 10.0 undecidable manual PN 161 0.0166 -0.62 1.1
--.MNS.Z. 1997-07-17T01:52:50.49 10.0 undecidable manual SG 209 0.007 0.58 0.6
--.SDI.Z. 1997-07-17T01:52:48.11 10.0 undecidable manual PN 161 0.0128 -0.32 1.6
--.CSNT.Z. 1997-07-17T01:52:48.86 10.0 undecidable manual PN 286 0.013 -0.02 1.7
--.AQU.Z. 1997-07-17T01:52:47.10 10.0 undecidable manual SG 168 0.0065 -1.05 0.3
--.RDP.Z. 1997-07-17T01:52:46.66 10.0 undecidable manual PN 195 0.0121 -0.79 1.1
--.SFI.Z. 1997-07-17T01:52:46.71 10.0 undecidable manual PN 310 0.0117 -0.03 1.8
--.PQ9.Z. 1997-07-17T01:52:42.50 10.0 undecidable manual PG 171 0.0094 -1.09 0.7
--.RSM.Z. 1997-07-17T01:52:42.51 10.0 undecidable manual PG 327 0.0092 -0.27 1.7
--.ARV.Z. 1997-07-17T01:52:40.15 10.0 undecidable manual SG 336 0.0043 -0.18 0.7
--.ASS.Z. 1997-07-17T01:52:37.66 10.0 undecidable manual SG 270 0.0036 -0.12 0.7
--.MNS.Z. 1997-07-17T01:52:37.82 10.0 undecidable manual PG 209 0.007 -0.33 1.6
--.AQU.Z. 1997-07-17T01:52:36.40 10.0 undecidable manual PG 168 0.0065 -0.68 1.3
--.ARV.Z. 1997-07-17T01:52:32.27 10.0 undecidable manual PG 336 0.0043 -0.35 1.6
--.ASS.Z. 1997-07-17T01:52:31.35 10.0 undecidable manual PG 270 0.0036 0.2 1.7
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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