Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Md 2.5 on date 11-09-1989 and time 07:24:30 (Italy) in region 2 km E Cessapalombo (MC)

A magnitude Md 2.5 earthquake occured in region: 2 km E Cessapalombo (MC), on

  • 11-09-1989 05:24:30 (UTC)
  • 11-09-1989 07:24:30 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1060, 13.2870 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Cessapalombo MC 2 512 512
San Ginesio MC 3 3498 4010
Camporotondo di Fiastrone MC 3 563 4573
Gualdo MC 6 815 5388
Caldarola MC 6 1823 7211
Belforte del Chienti MC 8 1886 9097
Sarnano MC 8 3264 12361
Ripe San Ginesio MC 8 852 13213
Colmurano MC 9 1263 14476
Sant'Angelo in Pontano MC 9 1436 15912
Serrapetrona MC 11 966 16878
Tolentino MC 12 20069 36947
Acquacanina MC 12 121 37068
Penna San Giovanni MC 12 1108 38176
Loro Piceno MC 13 2401 40577
Urbisaglia MC 13 2628 43205
Fiastra MC 13 559 43764
Bolognola MC 13 142 43906
Monte San Martino MC 15 765 44671
Amandola FM 15 3629 48300
Falerone FM 15 3337 51637
Montappone FM 15 1682 53319
Massa Fermana FM 16 963 54282
Monte Vidon Corrado FM 16 731 55013
San Severino Marche MC 16 12726 67739
Servigliano FM 17 2336 70075
Pievebovigliana MC 17 866 70941
Smerillo FM 17 365 71306
Fiordimonte MC 18 202 71508
Camerino MC 18 6974 78482
Mogliano MC 18 4696 83178
Montefortino FM 19 1178 84356
Pollenza MC 19 6618 90974
Montefalcone Appennino FM 19 424 91398
Comunanza AP 19 3166 94564
Petriolo MC 20 1998 96562
Santa Vittoria in Matenano FM 20 1330 97892
Muccia MC 20 915 98807

Municipalities with at least 50000 inhabitants

An earthquake occurred to
50 Km E of Foligno (57155 inhabitants)
60 Km SW of Ancona (100861 inhabitants)
60 Km NW of Teramo (54892 inhabitants)
73 Km E of Perugia (166134 inhabitants)
80 Km NE of Terni (111501 inhabitants)
84 Km N of L'Aquila (69753 inhabitants)
85 Km S of Fano (60888 inhabitants)
94 Km SE of Pesaro (94582 inhabitants)
96 Km NW of Montesilvano (53738 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 2.1 		1989-09-11
05:24:30		 43.106 13.287 10 2013-07-15
08:41:04		 Bollettino Sismico Italiano INGV 99189
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1989-09-11 05:24:30 ± 0.145
Latitude 43.1060 ± 0.0087
Longitude 13.2870 ± 0.0130
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 99189

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) 1426.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 120
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) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00186
Epicentral distance of station farthest from the epicenter (degree) 0.00761
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitudes information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 99189
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:32:39

ML:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 99189
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
--.MNS.Z. 1989-09-11T05:25:00.42 10.0 undecidable manual SG 211 0.8436 1.08 0
--.AM8.Z. 1989-09-11T05:24:48.40 10.0 undecidable manual SG 27 0.4995 0.27 0.7
--.ASS.Z. 1989-09-11T05:24:47.18 10.0 undecidable manual SG 264 0.4551 0.11 0.6
--.ARV.Z. 1989-09-11T05:24:47.21 10.0 undecidable manual SG 327 0.4551 0.14 0.5
--.MNS.Z. 1989-09-11T05:24:46.53 10.0 undecidable manual PG 211 0.8436 -0.51 0.5
--.ALP.Z. 1989-09-11T05:24:45.10 10.0 undecidable manual SG 147 0.3774 0.59 0.3
--.ASS.Z. 1989-09-11T05:24:40.50 10.0 negative manual PG 264 0.4551 0.1 2.8
--.MC8.Z. 1989-09-11T05:24:39.30 10.0 undecidable manual SG 27 0.2109 0.39 0.5
--.AM8.Z. 1989-09-11T05:24:39.90 10.0 undecidable manual PG 27 0.4995 -0.67 0.4
--.ARV.Z. 1989-09-11T05:24:39.65 10.0 undecidable manual PG 327 0.4551 -0.3 1.1
--.ALP.Z. 1989-09-11T05:24:38.20 10.0 undecidable manual PG 147 0.3774 -0.28 2.3
--.MC8.Z. 1989-09-11T05:24:35.50 10.0 undecidable manual PG 27 0.2109 0.26 2.4
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