Earthquake with magnitude of Md 2.1 on date 08-07-1985 and time 02:05:23 (Italy) in region 3 km NE Amandola (FM)

A magnitude Md 2.1 earthquake occured in region: 3 km NE Amandola (FM), on

  • 08-07-1985 00:05:23 (UTC)
  • 08-07-1985 02:05:23 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43, 13.38 at 24 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
Amandola FM 3 3629 3629
Smerillo FM 6 365 3994
Comunanza AP 6 3166 7160
Monte San Martino MC 6 765 7925
Sarnano MC 7 3264 11189
Montefortino FM 7 1178 12367
Montefalcone Appennino FM 7 424 12791
Penna San Giovanni MC 7 1108 13899
Gualdo MC 8 815 14714
Santa Vittoria in Matenano FM 10 1330 16044
Force AP 11 1354 17398
Sant'Angelo in Pontano MC 11 1436 18834
Bolognola MC 12 142 18976
Montemonaco AP 12 604 19580
San Ginesio MC 13 3498 23078
Servigliano FM 13 2336 25414
Montelparo FM 13 778 26192
Palmiano AP 13 196 26388
Monteleone di Fermo FM 14 395 26783
Falerone FM 14 3337 30120
Cessapalombo MC 15 512 30632
Ripe San Ginesio MC 16 852 31484
Monte Vidon Corrado FM 16 731 32215
Rotella AP 16 906 33121
Monsampietro Morico FM 17 659 33780
Acquacanina MC 17 121 33901
Venarotta AP 17 2066 35967
Belmonte Piceno FM 17 646 36613
Montappone FM 17 1682 38295
Camporotondo di Fiastrone MC 17 563 38858
Monte Rinaldo FM 17 379 39237
Roccafluvione AP 18 2010 41247
Montedinove AP 18 488 41735
Colmurano MC 18 1263 42998
Montegallo AP 18 523 43521
Fiastra MC 18 559 44080
Montottone FM 18 979 45059
Massa Fermana FM 18 963 46022
Loro Piceno MC 19 2401 48423
Montalto delle Marche AP 19 2122 50545
Caldarola MC 19 1823 52368
Ortezzano FM 19 774 53142
Montegiorgio FM 20 6851 59993

Municipalities with at least 50000 inhabitants

An earthquake occurred to
47 Km NW of Teramo (54892 inhabitants)
55 Km E of Foligno (57155 inhabitants)
69 Km S of Ancona (100861 inhabitants)
72 Km N of L'Aquila (69753 inhabitants)
77 Km NE of Terni (111501 inhabitants)
81 Km E of Perugia (166134 inhabitants)
83 Km NW of Montesilvano (53738 inhabitants)
91 Km NW of Pescara (121014 inhabitants)
97 Km NW of Chieti (51815 inhabitants)
98 Km SE 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
Rev 1000 Md 2.1 1985-07-08
00:05:23
43 13.38 24 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 9789
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-07-08 00:05:23 ± 0.731
Latitude 43.00 ± 0.04
Longitude 13.38 ± 0.05
Depth (km) 24 ± 7 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 9789

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) 5934.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 259
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) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00227
Epicentral distance of station farthest from the epicenter (degree) 0.00526
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:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 9789
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:13:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.AM1.Z. 1985-07-08T00:05:45.40 10.0 undecidable manual SG 16 0.0051 1.44 0
--.AR1.Z. 1985-07-08T00:05:44.00 10.0 undecidable manual SG 327 0.0053 -0.43 0.5
--.AS1.Z. 1985-07-08T00:05:43.00 10.0 undecidable manual SG 276 0.0048 0.3 0.6
--.AR1.Z. 1985-07-08T00:05:35.50 10.0 undecidable manual PG 327 0.0053 0.07 1.8
--.AM1.Z. 1985-07-08T00:05:34.40 10.0 undecidable manual PG 16 0.0051 -0.76 0.7
--.AS1.Z. 1985-07-08T00:05:34.50 10.0 undecidable manual PG 276 0.0048 0.07 1.9
--.CM2.Z. 1985-07-08T00:05:34.20 10.0 undecidable manual SG 318 0.0023 -0.46 0.8
--.CM2.Z. 1985-07-08T00:05:30.10 10.0 undecidable manual PG 318 0.0023 0.31 1.7
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
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