Earthquake with magnitude of Md 2.2 on date 16-05-1998 and time 22:12:06 (Italy) in region 4 km S Serravalle di Chienti (MC)

A magnitude Md 2.2 earthquake occured in region: 4 km S Serravalle di Chienti (MC), on

  • 16-05-1998 20:12:06 (UTC)
  • 16-05-1998 22:12:06 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0370, 12.9420 at 18 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 4 1070 1070
Monte Cavallo MC 7 145 1215
Pieve Torina MC 9 1458 2673
Muccia MC 10 915 3588
Pievebovigliana MC 12 866 4454
Fiordimonte MC 12 202 4656
Sefro MC 12 422 5078
Nocera Umbra PG 15 5839 10917
Camerino MC 15 6974 17891
Valtopina PG 15 1398 19289
Pioraco MC 16 1134 20423
Sellano PG 16 1079 21502
Visso MC 17 1107 22609
Fiuminata MC 17 1402 24011
Fiastra MC 18 559 24570
Acquacanina MC 19 121 24691
Ussita MC 19 444 25135
Preci PG 19 724 25859

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km E of Foligno (57155 inhabitants)
46 Km E of Perugia (166134 inhabitants)
58 Km NE of Terni (111501 inhabitants)
75 Km NW of Teramo (54892 inhabitants)
80 Km SW of Ancona (100861 inhabitants)
85 Km NW of L'Aquila (69753 inhabitants)
90 Km S of Fano (60888 inhabitants)
97 Km NE of Viterbo (67173 inhabitants)
97 Km S of Pesaro (94582 inhabitants)
98 Km E of Arezzo (99543 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 2.2 1998-05-16
20:12:06
43.037 12.942 18 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 338799
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1998-05-16 20:12:06 ± 0.502
Latitude 43.0370 ± 0.0120
Longitude 12.9420 ± 0.0198
Depth (km) 18 ± 5 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 338799

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) 2086.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 148
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) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00186
Epicentral distance of station farthest from the epicenter (degree) 0.00607
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:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 338799
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 22:17:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.MNS.Z. 1998-05-16T20:12:28.79 10.0 undecidable manual SG 196 0.6771 -1.19 0
--.MNS.Z. 1998-05-16T20:12:20.29 10.0 undecidable manual PG 196 0.6771 0.4 0.8
--.NRCA.Z. 1998-05-16T20:12:16.38 10.0 undecidable manual SG 148 0.2331 0.04 0.8
--.SNTG.Z. 1998-05-16T20:12:15.60 10.0 undecidable manual SG 359 0.2109 -0.13 0.7
--.ASS.Z. 1998-05-16T20:12:15.78 10.0 undecidable manual SG 276 0.2109 0.17 0.7
--.NRCA.Z. 1998-05-16T20:12:12.20 10.0 undecidable manual PG 148 0.2331 0.19 1.7
--.SNTG.Z. 1998-05-16T20:12:11.39 10.0 undecidable manual PG 359 0.2109 -0.27 1.5
--.ASS.Z. 1998-05-16T20:12:11.75 10.0 undecidable manual PG 276 0.2109 0.16 1.8
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