Earthquake with magnitude of Md 2.0 on date 16-09-1999 and time 12:48:39 (Italy) in region 6 km W Treia (MC)

A magnitude Md 2.0 earthquake occured in region: 6 km W Treia (MC), on

  • 16-09-1999 10:48:39 (UTC)
  • 16-09-1999 12:48:39 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.3180, 13.2360 at 10 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
Treia MC 6 9403 9403
Cingoli MC 7 10352 19755
Appignano MC 10 4213 23968
Pollenza MC 11 6618 30586
San Severino Marche MC 11 12726 43312
Apiro MC 12 2280 45592
Tolentino MC 13 20069 65661
Staffolo AN 14 2253 67914
Poggio San Vicino MC 14 246 68160
Serrapetrona MC 16 966 69126
Gagliole MC 16 620 69746
San Paolo di Jesi AN 16 933 70679
Filottrano AN 16 9499 80178
Belforte del Chienti MC 17 1886 82064
Montecassiano MC 17 7125 89189
Cupramontana AN 17 4756 93945
Urbisaglia MC 18 2628 96573
Macerata MC 18 42473 139046
Castelraimondo MC 19 4587 143633
Matelica MC 20 9981 153614
Montefano MC 20 3541 157155
Colmurano MC 20 1263 158418
Caldarola MC 20 1823 160241
Monte Roberto AN 20 3061 163302

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km SW of Ancona (100861 inhabitants)
59 Km NE of Foligno (57155 inhabitants)
61 Km S of Fano (60888 inhabitants)
71 Km SE of Pesaro (94582 inhabitants)
73 Km E of Perugia (166134 inhabitants)
83 Km NW of Teramo (54892 inhabitants)
97 Km NE of Terni (111501 inhabitants)
99 Km SE of Rimini (147750 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 1999-09-16
10:48:39
43.318 13.236 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 373669
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1999-09-16 10:48:39 ± 0.633
Latitude 43.3180 ± 0.0163
Longitude 13.2360 ± 0.0462
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 373669

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) 4154.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 280
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) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00194
Epicentral distance of station farthest from the epicenter (degree) 0.00445
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 3
Type of magnitude Md
Reference to an origin 373669
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 22:50:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.ASS.Z. 1999-09-16T10:48:57.45 10.0 undecidable manual SG 239 0.4995 0.18 0.5
--.FB9.Z. 1999-09-16T10:48:50.63 10.0 undecidable manual PG 318 0.4995 0.81 0.3
--.ARV.Z. 1999-09-16T10:48:50.30 10.0 undecidable manual SG 310 0.2664 -0.27 0.4
--.ASS.Z. 1999-09-16T10:48:49.56 10.0 undecidable manual PG 239 0.4995 -0.17 1.3
--.SNTG.Z. 1999-09-16T10:48:48.94 10.0 undecidable manual SG 253 0.2109 0.4 0.4
--.ARV.Z. 1999-09-16T10:48:45.32 10.0 undecidable manual PG 310 0.2664 -0.39 0.8
--.SNTG.Z. 1999-09-16T10:48:44.66 10.0 positive manual PG 253 0.2109 -0.03 3.4
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