Earthquake with magnitude of Md 1.8 on date 24-05-2011 and time 16:10:15 (Italy) in region 2 km NW Cerignale (PC)

A magnitude Md 1.8 earthquake occured in region: 2 km NW Cerignale (PC), on

  • 24-05-2011 14:10:15 (UTC)
  • 24-05-2011 16:10:15 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.6930, 9.3390 at 5 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
Cerignale PC 2 127 127
Corte Brugnatella PC 4 586 713
Zerba PC 5 77 790
Brallo di Pregola PV 7 599 1389
Ottone PC 8 516 1905
Coli PC 8 879 2784
Bobbio PC 9 3577 6361
Gorreto GE 10 97 6458
Santa Margherita di Staffora PV 12 473 6931
Menconico PV 13 360 7291
Rovegno GE 14 554 7845
Ferriere PC 14 1294 9139
Carrega Ligure AL 15 84 9223
Fabbrica Curone AL 16 656 9879
Romagnese PV 16 687 10566
Fascia GE 16 81 10647
Fontanigorda GE 16 277 10924
Rondanina GE 17 62 10986
Varzi PV 18 3279 14265
Santo Stefano d'Aveto GE 18 1126 15391
Farini PC 19 1290 16681
Propata GE 19 142 16823
Rezzoaglio GE 19 995 17818
Cabella Ligure AL 19 528 18346
Montebruno GE 20 240 18586

Municipalities with at least 50000 inhabitants

An earthquake occurred to
45 Km NE of Genova (586655 inhabitants)
49 Km SW of Piacenza (102191 inhabitants)
57 Km S of Pavia (72576 inhabitants)
62 Km E of Alessandria (93943 inhabitants)
73 Km SW of Cremona (71901 inhabitants)
76 Km NW of La Spezia (93959 inhabitants)
79 Km SE of Vigevano (63310 inhabitants)
79 Km W of Parma (192836 inhabitants)
80 Km NE of Savona (61345 inhabitants)
87 Km S of Milano (1345851 inhabitants)
91 Km NW of Carrara (63133 inhabitants)
92 Km E of Asti (76202 inhabitants)
94 Km S of Sesto San Giovanni (81608 inhabitants)
96 Km S of Rho (50434 inhabitants)
97 Km S of Cinisello Balsamo (75078 inhabitants)
97 Km NW of Massa (69479 inhabitants)
99 Km S of Monza (122671 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 1.8 2011-05-24
14:10:15
44.693 9.339 5 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1218249
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2011-05-24 14:10:15 ± 0.56
Latitude 44.6930 ± 0.0099
Longitude 9.3390 ± 0.0392
Depth (km) 5 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1218249

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 3558
Semi-minor axis of confidence ellipse (meter) 780
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 285
Circular confidence region, given by single value of horizontal uncertainty (meter) 3289.4
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 10
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.41
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.39750
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 3
Magnitude information

Md:1.8

Field Value
Value 1.8
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 1218249
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 23:53:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.STAL.HHN. 2011-05-24T14:10:57.41 10.0 undecidable manual Pg 0 0 0
IV.BDI.HHN. 2011-05-24T14:10:52.29 10.0 undecidable manual Pg 0 0 0
IV.CMPO.HHE. 2011-05-24T14:10:50.54 10.0 undecidable manual Pg 0 0 0
IV.FIU.EHZ. 2011-05-24T14:10:49.77 10.0 undecidable manual Pg 0 0 0
IV.MSSA.HHE. 2011-05-24T14:10:30.76 0.6 undecidable manual Sg 161 44.1225 -0.303 46
GU.SC2M.HHZ. 2011-05-24T14:10:28.45 0.6 undecidable manual Sg 154 35.5422 0.33 46
IV.MSSA.HHE. 2011-05-24T14:10:24.32 0.1 undecidable manual Pg 161 44.1225 -0.233 93
GU.SC2M.HHZ. 2011-05-24T14:10:23.03 0.1 undecidable manual Pg 154 35.5422 0.179 95
IV.BOB.HHZ. 2011-05-24T14:10:19.99 0.3 undecidable manual Sg 46 11.9769 -0.156 75
IV.BOB.HHZ. 2011-05-24T14:10:18.39 0.1 undecidable manual Pg 46 11.9769 0.143 100
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