Earthquake with magnitude of Md 2.2 on date 01-08-1987 and time 05:41:10 (Italy) in region 1 km E Montappone (FM)

A magnitude Md 2.2 earthquake occured in region: 1 km E Montappone (FM), on

  • 01-08-1987 03:41:10 (UTC)
  • 01-08-1987 05:41:10 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1330, 13.4840 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 1 1682 1682
Monte Vidon Corrado FM 1 731 2413
Massa Fermana FM 2 963 3376
Falerone FM 3 3337 6713
Montegiorgio FM 4 6851 13564
Servigliano FM 6 2336 15900
Mogliano MC 6 4696 20596
Belmonte Piceno FM 6 646 21242
Loro Piceno MC 7 2401 23643
Francavilla d'Ete FM 8 964 24607
Sant'Angelo in Pontano MC 8 1436 26043
Magliano di Tenna FM 8 1452 27495
Monsampietro Morico FM 9 659 28154
Rapagnano FM 10 2145 30299
Ripe San Ginesio MC 10 852 31151
Penna San Giovanni MC 10 1108 32259
Grottazzolina FM 10 3398 35657
Petriolo MC 10 1998 37655
Monteleone di Fermo FM 10 395 38050
Monte San Pietrangeli FM 10 2458 40508
Colmurano MC 11 1263 41771
Urbisaglia MC 11 2628 44399
Montottone FM 11 979 45378
Torre San Patrizio FM 12 2048 47426
Monte San Martino MC 12 765 48191
Santa Vittoria in Matenano FM 13 1330 49521
Monte Giberto FM 13 801 50322
Corridonia MC 13 15430 65752
Montelparo FM 13 778 66530
San Ginesio MC 14 3498 70028
Gualdo MC 14 815 70843
Monte Rinaldo FM 14 379 71222
Smerillo FM 15 365 71587
Ponzano di Fermo FM 15 1674 73261
Monte San Giusto MC 15 8191 81452
Monte Vidon Combatte FM 15 433 81885
Ortezzano FM 15 774 82659
Petritoli FM 16 2335 84994
Montefalcone Appennino FM 16 424 85418
Montegranaro FM 17 12990 98408
Monte Urano FM 17 8353 106761
Camporotondo di Fiastrone MC 18 563 107324
Tolentino MC 18 20069 127393
Sarnano MC 18 3264 130657
Cessapalombo MC 18 512 131169
Pollenza MC 19 6618 137787
Force AP 19 1354 139141
Macerata MC 19 42473 181614
Montalto delle Marche AP 19 2122 183736
Fermo FM 19 37655 221391
Monterubbiano FM 20 2230 223621
Carassai AP 20 1100 224721
Sant'Elpidio a Mare FM 20 17110 241831
Amandola FM 20 3629 245460
Montedinove AP 20 488 245948

Municipalities with at least 50000 inhabitants

An earthquake occurred to
54 Km S of Ancona (100861 inhabitants)
56 Km NW of Teramo (54892 inhabitants)
66 Km E of Foligno (57155 inhabitants)
87 Km N of L'Aquila (69753 inhabitants)
88 Km SE of Fano (60888 inhabitants)
88 Km NW of Montesilvano (53738 inhabitants)
89 Km E of Perugia (166134 inhabitants)
93 Km NE of Terni (111501 inhabitants)
95 Km NW of Pescara (121014 inhabitants)
98 Km SE of Pesaro (94582 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 1987-08-01
03:41:10
43.133 13.484 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 53129
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1987-08-01 03:41:10 ± 0.253
Latitude 43.1330 ± 0.0132
Longitude 13.4840 ± 0.0224
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 53129

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) 2341.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 158
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) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00146
Epicentral distance of station farthest from the epicenter (degree) 0.00542
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

Md:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 53129
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:51:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.ASS.Z. 1987-08-01T03:41:31.00 10.0 undecidable manual SG 263 0.5994 -0.83 0.2
--.ARV.Z. 1987-08-01T03:41:30.50 10.0 undecidable manual SG 313 0.5328 1.06 0.1
--.AM8.Z. 1987-08-01T03:41:26.36 10.0 undecidable manual SG 11 0.4218 0.53 0.6
--.ALP.Z. 1987-08-01T03:41:24.58 10.0 undecidable manual SG 170 0.3552 0.89 0.3
--.ASS.Z. 1987-08-01T03:41:22.00 10.0 undecidable manual PG 263 0.5994 -0.73 0.6
--.ARV.Z. 1987-08-01T03:41:21.00 10.0 undecidable manual PG 313 0.5328 -0.35 1.2
--.CM8.Z. 1987-08-01T03:41:20.84 10.0 undecidable manual SG 284 0.2553 0.42 0.8
--.ALP.Z. 1987-08-01T03:41:18.40 10.0 undecidable manual PG 170 0.3552 0.01 1.7
--.MC8.Z. 1987-08-01T03:41:18.61 10.0 undecidable manual SG 343 0.1665 1.04 0.2
--.AM8.Z. 1987-08-01T03:41:18.90 10.0 undecidable manual PG 11 0.4218 -0.37 2.6
--.CM8.Z. 1987-08-01T03:41:16.44 10.0 positive manual PG 284 0.2553 0.3 2.9
--.MC8.Z. 1987-08-01T03:41:13.88 10.0 undecidable manual PG 343 0.1665 -0.62 0.9
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