Earthquake with magnitude of Md 2.0 on date 15-05-1990 and time 03:51:23 (Italy) in region 2 km NE Gualdo (MC)

A magnitude Md 2.0 earthquake occured in region: 2 km NE Gualdo (MC), on

  • 15-05-1990 01:51:23 (UTC)
  • 15-05-1990 03:51:23 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.08, 13.361 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
Gualdo MC 2 815 815
Sant'Angelo in Pontano MC 4 1436 2251
San Ginesio MC 5 3498 5749
Penna San Giovanni MC 6 1108 6857
Sarnano MC 7 3264 10121
Ripe San Ginesio MC 7 852 10973
Monte San Martino MC 8 765 11738
Cessapalombo MC 9 512 12250
Colmurano MC 9 1263 13513
Camporotondo di Fiastrone MC 10 563 14076
Falerone FM 10 3337 17413
Servigliano FM 11 2336 19749
Loro Piceno MC 11 2401 22150
Smerillo FM 11 365 22515
Montappone FM 11 1682 24197
Amandola FM 11 3629 27826
Monte Vidon Corrado FM 11 731 28557
Massa Fermana FM 12 963 29520
Caldarola MC 13 1823 31343
Santa Vittoria in Matenano FM 13 1330 32673
Montefalcone Appennino FM 13 424 33097
Urbisaglia MC 13 2628 35725
Belforte del Chienti MC 14 1886 37611
Monteleone di Fermo FM 14 395 38006
Comunanza AP 14 3166 41172
Bolognola MC 14 142 41314
Belmonte Piceno FM 15 646 41960
Montefortino FM 15 1178 43138
Mogliano MC 15 4696 47834
Montegiorgio FM 16 6851 54685
Tolentino MC 16 20069 74754
Montelparo FM 16 778 75532
Monsampietro Morico FM 16 659 76191
Acquacanina MC 16 121 76312
Force AP 17 1354 77666
Fiastra MC 17 559 78225
Serrapetrona MC 18 966 79191
Petriolo MC 18 1998 81189
Montottone FM 18 979 82168
Monte Rinaldo FM 19 379 82547
Francavilla d'Ete FM 19 964 83511
Magliano di Tenna FM 20 1452 84963
Grottazzolina FM 20 3398 88361

Municipalities with at least 50000 inhabitants

An earthquake occurred to
55 Km NW of Teramo (54892 inhabitants)
55 Km E of Foligno (57155 inhabitants)
61 Km S of Ancona (100861 inhabitants)
79 Km E of Perugia (166134 inhabitants)
81 Km N of L'Aquila (69753 inhabitants)
82 Km NE of Terni (111501 inhabitants)
89 Km SE of Fano (60888 inhabitants)
90 Km NW of Montesilvano (53738 inhabitants)
98 Km NW of Pescara (121014 inhabitants)
99 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 2.0 1990-05-15
01:51:23
43.08 13.361 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 118729
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1990-05-15 01:51:23 ± 0.242
Latitude 43.0800 ± 0.0142
Longitude 13.3610 ± 0.0248
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 118729

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) 2558.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 152
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
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) 0.0017
Epicentral distance of station farthest from the epicenter (degree) 0.00461
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

Md:2

Field Value
Value 2
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 118729
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:50:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.AOI.Z. 1990-05-15T01:51:42.60 10.0 undecidable manual SG 20 0.0045 0.27 0.7
--.ARV.Z. 1990-05-15T01:51:41.60 10.0 undecidable manual SG 324 0.0046 -0.74 0.2
--.ALP.Z. 1990-05-15T01:51:37.25 10.0 undecidable manual SG 153 0.003 0.76 0.4
--.ARV.Z. 1990-05-15T01:51:34.45 10.0 undecidable manual PG 324 0.0046 -0.06 1.4
--.AOI.Z. 1990-05-15T01:51:33.21 10.0 undecidable manual PG 20 0.0045 -0.98 0.3
--.SSO.Z. 1990-05-15T01:51:33.74 10.0 undecidable manual SG 11 0.0019 1.02 0.2
--.CIO.Z. 1990-05-15T01:51:32.84 10.0 undecidable manual SG 305 0.0017 0.82 0.3
--.ALP.Z. 1990-05-15T01:51:30.80 10.0 undecidable manual PG 153 0.003 -0.33 1.4
--.SSO.Z. 1990-05-15T01:51:28.93 10.0 undecidable manual PG 11 0.0019 -0.02 1.7
--.CIO.Z. 1990-05-15T01:51:28.49 10.0 undecidable manual PG 305 0.0017 -0.06 3.4
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