Earthquake with magnitude of Md 2.4 on date 01-06-1987 and time 14:21:04 (Italy) in region 2 km W San Ginesio (MC)

A magnitude Md 2.4 earthquake occured in region: 2 km W San Ginesio (MC), on

  • 01-06-1987 12:21:04 (UTC)
  • 01-06-1987 14:21:04 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1160, 13.2960 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
San Ginesio MC 2 3498 3498
Cessapalombo MC 3 512 4010
Camporotondo di Fiastrone MC 3 563 4573
Caldarola MC 6 1823 6396
Gualdo MC 6 815 7211
Ripe San Ginesio MC 7 852 8063
Belforte del Chienti MC 7 1886 9949
Colmurano MC 7 1263 11212
Sant'Angelo in Pontano MC 8 1436 12648
Sarnano MC 9 3264 15912
Tolentino MC 11 20069 35981
Serrapetrona MC 11 966 36947
Loro Piceno MC 11 2401 39348
Urbisaglia MC 11 2628 41976
Penna San Giovanni MC 12 1108 43084
Acquacanina MC 14 121 43205
Montappone FM 14 1682 44887
Fiastra MC 14 559 45446
Falerone FM 15 3337 48783
Bolognola MC 15 142 48925
Monte San Martino MC 15 765 49690
Massa Fermana FM 15 963 50653
Monte Vidon Corrado FM 15 731 51384
Amandola FM 16 3629 55013
San Severino Marche MC 16 12726 67739
Servigliano FM 17 2336 70075
Mogliano MC 17 4696 74771
Smerillo FM 17 365 75136
Pollenza MC 18 6618 81754
Pievebovigliana MC 18 866 82620
Petriolo MC 18 1998 84618
Camerino MC 19 6974 91592
Fiordimonte MC 19 202 91794
Montefortino FM 20 1178 92972
Santa Vittoria in Matenano FM 20 1330 94302
Montefalcone Appennino FM 20 424 94726
Montegiorgio FM 20 6851 101577
Comunanza AP 20 3166 104743
Belmonte Piceno FM 20 646 105389

Municipalities with at least 50000 inhabitants

An earthquake occurred to
51 Km E of Foligno (57155 inhabitants)
59 Km SW of Ancona (100861 inhabitants)
61 Km NW of Teramo (54892 inhabitants)
74 Km E of Perugia (166134 inhabitants)
81 Km NE of Terni (111501 inhabitants)
84 Km S of Fano (60888 inhabitants)
85 Km N of L'Aquila (69753 inhabitants)
94 Km SE of Pesaro (94582 inhabitants)
97 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 2.4 1987-06-01
12:21:04
43.116 13.296 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 48569
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1987-06-01 12:21:04 ± 0.495
Latitude 43.1160 ± 0.0151
Longitude 13.2960 ± 0.0432
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 48569

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) 3885.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 245
Number of associated phases, regardless of their use for origin computation 6
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00413
Epicentral distance of station farthest from the epicenter (degree) 0.00769
Number of stations at which the event was observed 3
Number of stations from which data was used for origin computation 3
Magnitude information

Md:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 48569
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:47:27
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.MNS.Z. 1987-06-01T12:21:34.50 10.0 undecidable manual SG 211 0.8547 0.8 0
--.ARV.Z. 1987-06-01T12:21:21.50 10.0 undecidable manual SG 326 0.4551 0.57 0.1
--.ASS.Z. 1987-06-01T12:21:21.00 10.0 undecidable manual SG 263 0.4662 -0.31 0.4
--.MNS.Z. 1987-06-01T12:21:21.00 10.0 undecidable manual PG 211 0.8547 -0.24 1
--.ASS.Z. 1987-06-01T12:21:14.00 10.0 undecidable manual PG 263 0.4662 -0.09 1.5
--.ARV.Z. 1987-06-01T12:21:13.80 10.0 undecidable manual PG 326 0.4551 -0.06 3.1
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