Earthquake with magnitude of Md 3.0 on date 13-05-1997 and time 03:44:12 (Italy) in region 6 km SE Giano dell'Umbria (PG)

A magnitude Md 3.0 earthquake occured in region: 6 km SE Giano dell'Umbria (PG), on

  • 13-05-1997 01:44:12 (UTC)
  • 13-05-1997 03:44:12 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.79, 12.62 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
Giano dell'Umbria PG 6 3846 3846
Castel Ritaldi PG 6 3278 7124
Massa Martana PG 8 3770 10894
Spoleto PG 12 38218 49112
Montefalco PG 12 5679 54791
Acquasparta TR 12 4778 59569
Campello sul Clitunno PG 14 2442 62011
Gualdo Cattaneo PG 14 6155 68166
Trevi PG 15 8469 76635
Bevagna PG 16 5081 81716
Todi PG 17 16851 98567
Collazzone PG 19 3473 102040
Montecastrilli TR 19 5022 107062
Sant'Anatolia di Narco PG 19 564 107626
Scheggino PG 20 461 108087
Foligno PG 20 57155 165242

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km SW of Foligno (57155 inhabitants)
26 Km N of Terni (111501 inhabitants)
40 Km SE of Perugia (166134 inhabitants)
59 Km NE of Viterbo (67173 inhabitants)
81 Km NW of L'Aquila (69753 inhabitants)
88 Km N of Guidonia Montecelio (88673 inhabitants)
90 Km W of Teramo (54892 inhabitants)
93 Km N of Tivoli (56533 inhabitants)
96 Km SE of Arezzo (99543 inhabitants)
100 Km N of Roma (2864731 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 3.0
ML-VAX 1.7
1997-05-13
01:44:12
42.79 12.62 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 268209
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-05-13 01:44:12 ± 0.236
Latitude 42.79 ± 0.01
Longitude 12.62 ± 0.04
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 268209

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) 3304.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 132
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 13
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) 0.01255
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitudes information

Md:3

Field Value
Value 3
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 268209
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:13:33

ML:1.7

Field Value
Value 1.7
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 268209
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
--.CSNT.Z. 1997-05-13T01:44:54.42 10.0 undecidable manual SN 305 0.0106 1.49 0.1
--.ARV.Z. 1997-05-13T01:44:40.33 10.0 undecidable manual SG 18 0.0066 0.52 0.6
--.SDI.Z. 1997-05-13T01:44:39.70 10.0 undecidable manual PN 140 0.0125 0.71 0.8
--.SFI.Z. 1997-05-13T01:44:37.80 10.0 undecidable manual PN 333 0.0112 0.17 1.5
--.CSNT.Z. 1997-05-13T01:44:35.58 10.0 undecidable manual PN 305 0.0106 -0.47 1.3
--.PQ9.Z. 1997-05-13T01:44:33.72 10.0 undecidable manual PG 142 0.0087 1.24 0.4
--.FB9.Z. 1997-05-13T01:44:31.20 10.0 undecidable manual PG 7 0.0081 -0.45 1.5
--.MNS.Z. 1997-05-13T01:44:28.38 10.0 undecidable manual SG 173 0.0036 -0.46 0.6
--.AQU.Z. 1997-05-13T01:44:27.67 10.0 undecidable manual PG 126 0.0065 -0.41 1.6
--.ARV.Z. 1997-05-13T01:44:27.74 10.0 undecidable manual PG 18 0.0066 -0.73 1.1
--.ASS.Z. 1997-05-13T01:44:23.81 10.0 undecidable manual SG 5 0.0024 0.2 0.7
--.MNS.Z. 1997-05-13T01:44:21.25 10.0 undecidable manual PG 173 0.0036 -0.89 0.9
--.ASS.Z. 1997-05-13T01:44:19.80 10.0 undecidable manual PG 5 0.0024 -0.04 1.9
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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