Earthquake with magnitude of Md 2.2 on date 01-09-1989 and time 12:41:46 (Italy) in region 1 km NW Bolognola (MC)

A magnitude Md 2.2 earthquake occured in region: 1 km NW Bolognola (MC), on

  • 01-09-1989 10:41:46 (UTC)
  • 01-09-1989 12:41:46 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0060, 13.2230 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
Bolognola MC 1 142 142
Acquacanina MC 5 121 263
Fiastra MC 6 559 822
Sarnano MC 7 3264 4086
Ussita MC 10 444 4530
Amandola FM 11 3629 8159
Fiordimonte MC 11 202 8361
Gualdo MC 12 815 9176
Cessapalombo MC 12 512 9688
Montefortino FM 12 1178 10866
Pievebovigliana MC 13 866 11732
Castelsantangelo sul Nera MC 14 281 12013
Visso MC 14 1107 13120
San Ginesio MC 14 3498 16618
Montemonaco AP 15 604 17222
Camporotondo di Fiastrone MC 15 563 17785
Pieve Torina MC 15 1458 19243
Caldarola MC 15 1823 21066
Comunanza AP 17 3166 24232
Muccia MC 17 915 25147
Penna San Giovanni MC 17 1108 26255
Sant'Angelo in Pontano MC 18 1436 27691
Belforte del Chienti MC 18 1886 29577
Monte San Martino MC 18 765 30342
Monte Cavallo MC 18 145 30487
Smerillo FM 18 365 30852
Camerino MC 19 6974 37826
Serrapetrona MC 19 966 38792
Ripe San Ginesio MC 19 852 39644
Montefalcone Appennino FM 19 424 40068

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km E of Foligno (57155 inhabitants)
55 Km NW of Teramo (54892 inhabitants)
68 Km NE of Terni (111501 inhabitants)
69 Km E of Perugia (166134 inhabitants)
72 Km SW of Ancona (100861 inhabitants)
74 Km N of L'Aquila (69753 inhabitants)
93 Km NW of Montesilvano (53738 inhabitants)
95 Km S of Fano (60888 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
ML-VAX 1.8
1989-09-01
10:41:46
43.006 13.223 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 98619
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1989-09-01 10:41:46 ± 0.193
Latitude 43.0060 ± 0.0138
Longitude 13.2230 ± 0.0216
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 98619

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) 2328.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 146
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
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) 0.00170
Epicentral distance of station farthest from the epicenter (degree) 0.00542
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitudes information

Md:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 98619
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:32:09

ML:1.8

Field Value
Value 1.8
Uncertainty
Num. used stations 2
Type of magnitude ML
Reference to an origin 98619
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
--.AM8.Z. 1989-09-01T10:42:09.90 10.0 undecidable manual SG 26 0.5994 0.68 0.2
--.ARV.Z. 1989-09-01T10:42:05.90 10.0 undecidable manual SG 337 0.5328 -0.09 0.6
--.ASS.Z. 1989-09-01T10:42:04.34 10.0 undecidable manual SG? 277 0.4107 1.94 0
--.ALP.Z. 1989-09-01T10:42:00.20 10.0 undecidable manual SG 131 0.333 0.44 0.5
--.AM8.Z. 1989-09-01T10:41:58.79 10.0 undecidable manual PG 26 0.5994 -0.57 0.7
--.ARV.Z. 1989-09-01T10:41:57.54 10.0 positive manual PG 337 0.5328 -0.42 2.2
--.ASS.Z. 1989-09-01T10:41:56.60 10.0 undecidable manual PG 277 0.4107 0.18 1.7
--.CM8.Z. 1989-09-01T10:41:56.20 10.0 undecidable manual SG 342 0.1887 0.98 0.1
--.ALP.Z. 1989-09-01T10:41:54.33 10.0 undecidable manual PG 131 0.333 -0.03 1.9
--.CM8.Z. 1989-09-01T10:41:52.19 10.0 undecidable manual PG 342 0.1887 0.45 1.1
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