Earthquake with magnitude of Md 2.5 on date 09-07-1988 and time 23:11:48 (Italy) in region 3 km W Serravalle di Chienti (MC)

A magnitude Md 2.5 earthquake occured in region: 3 km W Serravalle di Chienti (MC), on

  • 09-07-1988 21:11:48 (UTC)
  • 09-07-1988 23:11:48 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0610, 12.9240 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
Serravalle di Chienti MC 3 1070 1070
Monte Cavallo MC 10 145 1215
Sefro MC 10 422 1637
Muccia MC 10 915 2552
Pieve Torina MC 11 1458 4010
Nocera Umbra PG 12 5839 9849
Pievebovigliana MC 13 866 10715
Valtopina PG 14 1398 12113
Fiordimonte MC 14 202 12315
Pioraco MC 14 1134 13449
Fiuminata MC 14 1402 14851
Camerino MC 14 6974 21825
Sellano PG 19 1079 22904
Fiastra MC 19 559 23463
Visso MC 20 1107 24570
Castelraimondo MC 20 4587 29157

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km NE of Foligno (57155 inhabitants)
44 Km E of Perugia (166134 inhabitants)
60 Km NE of Terni (111501 inhabitants)
78 Km NW of Teramo (54892 inhabitants)
78 Km SW of Ancona (100861 inhabitants)
88 Km S of Fano (60888 inhabitants)
88 Km NW of L'Aquila (69753 inhabitants)
95 Km S of Pesaro (94582 inhabitants)
96 Km E of Arezzo (99543 inhabitants)
98 Km NE of Viterbo (67173 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 1.7
1988-07-09
21:11:48
43.061 12.924 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 73009
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1988-07-09 21:11:48 ± 0.206
Latitude 43.0610 ± 0.0143
Longitude 12.9240 ± 0.0147
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 73009

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) 1986.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 75
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
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) 0.00178
Epicentral distance of station farthest from the epicenter (degree) 0.01344
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitudes information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 73009
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:09:03

ML:1.7

Field Value
Value 1.7
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 73009
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
--.SDI.Z. 1988-07-09T21:12:17.87 10.0 undecidable manual PN 153 1.4874 1.56 0
--.AM8.Z. 1988-07-09T21:12:14.82 10.0 undecidable manual SG 44 0.6882 0.84 0.4
--.MNS.Z. 1988-07-09T21:12:13.26 10.0 undecidable manual SG 194 0.6882 -0.91 0.2
--.ALP.Z. 1988-07-09T21:12:08.98 10.0 undecidable manual SG 120 0.5439 -0.34 0.7
--.CRE.Z. 1988-07-09T21:12:07.50 10.0 undecidable manual PG 308 0.8991 0.28 1.1
--.ARV.Z. 1988-07-09T21:12:05.14 10.0 undecidable manual SG 1 0.4329 -0.65 0.3
--.AM8.Z. 1988-07-09T21:12:03.32 10.0 undecidable manual PG 44 0.6882 -0.04 1.4
--.MNS.Z. 1988-07-09T21:12:02.81 10.0 undecidable manual PG 194 0.6882 -0.66 0.8
--.ALP.Z. 1988-07-09T21:12:00.32 10.0 undecidable manual PG 120 0.5439 -0.35 1.2
--.ARV.Z. 1988-07-09T21:11:58.10 10.0 positive manual PG 1 0.4329 -0.53 2.1
--.ASS.Z. 1988-07-09T21:11:56.75 10.0 undecidable manual SG 270 0.1998 0.05 0.9
--.ASS.Z. 1988-07-09T21:11:53.61 10.0 positive manual PG 270 0.1998 0.23 2.8
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