Earthquake with magnitude of Md 2.2 on date 25-10-1990 and time 10:56:17 (Italy) in region 2 km W Sarnano (MC)

A magnitude Md 2.2 earthquake occured in region: 2 km W Sarnano (MC), on

  • 25-10-1990 09:56:17 (UTC)
  • 25-10-1990 10:56:17 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.0390, 13.2780 at 19 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
Sarnano MC 2 3264 3264
Gualdo MC 6 815 4079
Bolognola MC 6 142 4221
Cessapalombo MC 8 512 4733
Acquacanina MC 8 121 4854
San Ginesio MC 8 3498 8352
Amandola FM 9 3629 11981
Fiastra MC 10 559 12540
Camporotondo di Fiastrone MC 11 563 13103
Sant'Angelo in Pontano MC 12 1436 14539
Montefortino FM 12 1178 15717
Caldarola MC 12 1823 17540
Penna San Giovanni MC 12 1108 18648
Monte San Martino MC 13 765 19413
Ripe San Ginesio MC 14 852 20265
Smerillo FM 14 365 20630
Comunanza AP 14 3166 23796
Belforte del Chienti MC 14 1886 25682
Fiordimonte MC 15 202 25884
Ussita MC 15 444 26328
Colmurano MC 15 1263 27591
Montefalcone Appennino FM 16 424 28015
Montemonaco AP 16 604 28619
Pievebovigliana MC 16 866 29485
Serrapetrona MC 17 966 30451
Falerone FM 18 3337 33788
Santa Vittoria in Matenano FM 18 1330 35118
Servigliano FM 18 2336 37454
Loro Piceno MC 18 2401 39855
Pieve Torina MC 18 1458 41313
Castelsantangelo sul Nera MC 19 281 41594
Tolentino MC 19 20069 61663
Montappone FM 19 1682 63345
Monte Vidon Corrado FM 19 731 64076
Force AP 19 1354 65430
Visso MC 19 1107 66537
Urbisaglia MC 19 2628 69165
Muccia MC 20 915 70080

Municipalities with at least 50000 inhabitants

An earthquake occurred to
48 Km E of Foligno (57155 inhabitants)
55 Km NW of Teramo (54892 inhabitants)
67 Km SW of Ancona (100861 inhabitants)
73 Km E of Perugia (166134 inhabitants)
74 Km NE of Terni (111501 inhabitants)
77 Km N of L'Aquila (69753 inhabitants)
92 Km S of Fano (60888 inhabitants)
92 Km NW of Montesilvano (53738 inhabitants)
100 Km NW of Pescara (121014 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 1.7
1990-10-25
09:56:17
43.039 13.278 19 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 129399
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1990-10-25 09:56:17 ± 0.269
Latitude 43.0390 ± 0.0092
Longitude 13.2780 ± 0.0147
Depth (km) 19 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 129399

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) 1572.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 116
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
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) 0.00089
Epicentral distance of station farthest from the epicenter (degree) 0.00704
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitudes information

Md:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 129399
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:00:18

ML:1.7

Field Value
Value 1.7
Uncertainty
Num. used stations 2
Type of magnitude ML
Reference to an origin 129399
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. 1990-10-25T09:56:46.50 10.0 undecidable manual SG 213 0.777 1.44 0
--.AOI.Z. 1990-10-25T09:56:38.00 10.0 undecidable manual SG 24 0.555 0.18 0.5
--.ARV.Z. 1990-10-25T09:56:36.40 10.0 undecidable manual SG 332 0.5106 -0.14 0.5
--.ASS.Z. 1990-10-25T09:56:35.12 10.0 undecidable manual SG 273 0.444 0.54 0.2
--.MNS.Z. 1990-10-25T09:56:33.00 10.0 undecidable manual PG 213 0.777 -0.49 0.5
--.ALP.Z. 1990-10-25T09:56:30.60 10.0 undecidable manual SG 140 0.333 -0.19 0.8
--.SSO.Z. 1990-10-25T09:56:29.60 10.0 undecidable manual SG 21 0.2664 0.62 0.3
--.AOI.Z. 1990-10-25T09:56:29.00 10.0 undecidable manual PG 24 0.555 -0.31 1
--.ARV.Z. 1990-10-25T09:56:28.50 10.0 undecidable manual PG 332 0.5106 -0.52 0.6
--.ASS.Z. 1990-10-25T09:56:27.39 10.0 negative manual PG 273 0.444 -0.05 2.9
--.CIO.Z. 1990-10-25T09:56:26.10 10.0 undecidable manual SG 327 0.1776 -0.4 0.6
--.ALP.Z. 1990-10-25T09:56:25.10 10.0 undecidable manual PG 140 0.333 -0.15 1.4
--.SSO.Z. 1990-10-25T09:56:24.40 10.0 undecidable manual PG 21 0.2664 0.19 2.8
--.RM8.Z. 1990-10-25T09:56:24.10 10.0 undecidable manual SG 210 0.0999 -0.52 0.3
--.RM8.Z. 1990-10-25T09:56:22.21 10.0 undecidable manual PG 210 0.0999 0.52 0.6
--.CIO.Z. 1990-10-25T09:56:22.90 10.0 undecidable manual PG 327 0.1776 0.13 3
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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