Earthquake with magnitude of Md 2.2 on date 17-05-1985 and time 15:49:49 (UTC) in region 3 km W Montappone (FM)

A magnitude Md 2.2 earthquake occured in region: 3 km W Montappone (FM), on

  • 17-05-1985 15:49:49 (UTC)
  • 17-05-1985 17:49:49 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1350, 13.4340 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
Montappone FM 3 1682 1682
Loro Piceno MC 4 2401 4083
Massa Fermana FM 4 963 5046
Falerone FM 4 3337 8383
Monte Vidon Corrado FM 4 731 9114
Sant'Angelo in Pontano MC 5 1436 10550
Ripe San Ginesio MC 5 852 11402
Colmurano MC 7 1263 12665
Mogliano MC 7 4696 17361
Servigliano FM 8 2336 19697
Urbisaglia MC 8 2628 22325
Montegiorgio FM 9 6851 29176
Penna San Giovanni MC 9 1108 30284
Belmonte Piceno FM 10 646 30930
San Ginesio MC 10 3498 34428
Petriolo MC 10 1998 36426
Francavilla d'Ete FM 11 964 37390
Gualdo MC 11 815 38205
Monte San Martino MC 12 765 38970
Monsampietro Morico FM 12 659 39629
Monteleone di Fermo FM 12 395 40024
Magliano di Tenna FM 12 1452 41476
Rapagnano FM 13 2145 43621
Monte San Pietrangeli FM 14 2458 46079
Camporotondo di Fiastrone MC 14 563 46642
Santa Vittoria in Matenano FM 14 1330 47972
Grottazzolina FM 14 3398 51370
Corridonia MC 14 15430 66800
Smerillo FM 14 365 67165
Cessapalombo MC 14 512 67677
Tolentino MC 15 20069 87746
Montottone FM 15 979 88725
Torre San Patrizio FM 15 2048 90773
Montelparo FM 15 778 91551
Sarnano MC 15 3264 94815
Belforte del Chienti MC 16 1886 96701
Pollenza MC 16 6618 103319
Montefalcone Appennino FM 16 424 103743
Monte Giberto FM 17 801 104544
Caldarola MC 17 1823 106367
Monte Rinaldo FM 17 379 106746
Monte San Giusto MC 17 8191 114937
Ortezzano FM 18 774 115711
Amandola FM 18 3629 119340
Macerata MC 19 42473 161813
Monte Vidon Combatte FM 19 433 162246
Ponzano di Fermo FM 19 1674 163920
Montegranaro FM 20 12990 176910
Force AP 20 1354 178264
Petritoli FM 20 2335 180599
Comunanza AP 20 3166 183765

Municipalities with at least 50000 inhabitants

An earthquake occurred to
54 Km S of Ancona (100861 inhabitants)
57 Km NW of Teramo (54892 inhabitants)
63 Km E of Foligno (57155 inhabitants)
85 Km E of Perugia (166134 inhabitants)
86 Km SE of Fano (60888 inhabitants)
87 Km N of L'Aquila (69753 inhabitants)
90 Km NE of Terni (111501 inhabitants)
90 Km NW of Montesilvano (53738 inhabitants)
96 Km SE of Pesaro (94582 inhabitants)
98 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 1985-05-17
15:49:49
43.135 13.434 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 6369
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-05-17 15:49:49 ± 0.332
Latitude 43.1350 ± 0.0188
Longitude 13.4340 ± 0.0355
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 6369

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) 3559.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 148
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) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.00194
Epicentral distance of station farthest from the epicenter (degree) 0.00599
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:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 6369
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:10:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.PO9.Z. 1985-05-17T15:50:13.50 10.0 undecidable manual SG 212 0.666 1.05 0.1
--.AM1.Z. 1985-05-17T15:50:06.00 10.0 undecidable manual SG 16 0.4329 1.08 0.2
--.ALP.Z. 1985-05-17T15:50:03.70 10.0 undecidable manual SG 164 0.3552 0.84 0.3
--.PO9.Z. 1985-05-17T15:50:02.50 10.0 undecidable manual PG 212 0.666 -0.09 1.1
--.CM2.Z. 1985-05-17T15:49:58.60 10.0 undecidable manual SG? 284 0.2109 0.48 0
--.AM1.Z. 1985-05-17T15:49:57.70 10.0 undecidable manual PG 16 0.4329 -0.55 0.9
--.ALP.Z. 1985-05-17T15:49:56.50 10.0 negative manual PG 164 0.3552 -0.55 1.8
--.CM2.Z. 1985-05-17T15:49:54.10 10.0 undecidable manual PG 284 0.2109 -0.22 2.7
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