Earthquake with magnitude of ML 2.0 on date 22-04-2010 and time 18:43:45 (Italy) in region 5 km SE Casola Valsenio (RA)

A magnitude ML 2.0 earthquake occured in region: 5 km SE Casola Valsenio (RA), on

  • 22-04-2010 16:43:45 (UTC)
  • 22-04-2010 18:43:45 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.1940, 11.6650 at 26 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
Casola Valsenio RA 5 2617 2617
Brisighella RA 9 7639 10256
Riolo Terme RA 10 5720 15976
Modigliana FC 11 4560 20536
Borgo Tossignano BO 11 3288 23824
Fontanelice BO 11 1943 25767
Casalfiumanese BO 12 3438 29205
Castel del Rio BO 13 1246 30451
Palazzuolo sul Senio FI 13 1154 31605
Marradi FI 14 3139 34744
Tredozio FC 14 1212 35956
Castel Bolognese RA 18 9554 45510
Imola BO 18 69797 115307
Dozza BO 19 6652 121959
Dovadola FC 20 1653 123612

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km S of Imola (69797 inhabitants)
20 Km SW of Faenza (58541 inhabitants)
30 Km W of Forlì (117913 inhabitants)
42 Km SE of Bologna (386663 inhabitants)
47 Km W of Cesena (96758 inhabitants)
49 Km SW of Ravenna (159116 inhabitants)
57 Km NE of Prato (191150 inhabitants)
57 Km NE of Firenze (382808 inhabitants)
62 Km NE of Scandicci (50609 inhabitants)
66 Km E of Pistoia (90315 inhabitants)
72 Km S of Ferrara (133155 inhabitants)
73 Km W of Rimini (147750 inhabitants)
77 Km SE of Modena (184973 inhabitants)
83 Km N of Arezzo (99543 inhabitants)
90 Km SE of Carpi (70699 inhabitants)
98 Km S of Rovigo (51867 inhabitants)
99 Km SE of Reggio nell'Emilia (171345 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
ML 2.0
2010-04-22
16:43:45
44.194 11.665 26 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1039559
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2010-04-22 16:43:45 ± 0.18
Latitude 44.1940 ± 0.0081
Longitude 11.6650 ± 0.0100
Depth (km) 26 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1039559

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 970
Semi-minor axis of confidence ellipse (meter) 333
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 38
Circular confidence region, given by single value of horizontal uncertainty (meter) 1204.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 177
Number of associated phases, regardless of their use for origin computation 50
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.36
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.97217
Number of stations at which the event was observed 40
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 1039559
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 19:59:24

Md:2.4

Field Value
Value 2.4
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 1039559
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 19:59:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ALJA.HHN. 2010-04-22T16:45:34.81 10.0 undecidable manual Pg 0 0 0
IV.GRI.EHZ. 2010-04-22T16:45:17.31 10.0 undecidable manual Pg 0 0 0
SI.RISI.BHE. 2010-04-22T16:45:04.30 10.0 undecidable manual Pg 0 0 0
CH.BERNI.HHE. 2010-04-22T16:45:04.40 10.0 undecidable manual Pg 0 0 0
CH.FUORN.HHE. 2010-04-22T16:45:02.50 10.0 undecidable manual Pg 0 0 0
IV.CDCA.EHE. 2010-04-22T16:45:01.23 10.0 undecidable manual Pg 0 0 0
SI.ABSI.BHE. 2010-04-22T16:44:55.56 10.0 undecidable manual Pg 0 0 0
IV.SBPO.HHZ. 2010-04-22T16:44:51.61 10.0 undecidable manual Pg 0 0 0
IV.MABI.HHZ. 2010-04-22T16:44:46.27 10.0 undecidable manual Pg 0 0 0
IV.MAGA.HHE. 2010-04-22T16:44:42.02 10.0 undecidable manual Pg 0 0 0
IV.FDMO.HHN. 2010-04-22T16:44:38.43 10.0 undecidable manual Pg 0 0 0
NI.CGRP.HHE. 2010-04-22T16:44:35.56 10.0 undecidable manual Pg 0 0 0
IV.ROVR.HHN. 2010-04-22T16:44:33.90 10.0 undecidable manual Sg 0 0 0
IV.LPEL.HHZ. 2010-04-22T16:44:30.46 10.0 undecidable manual Pg 0 0 0
IV.ORI.HHE. 2010-04-22T16:44:30.47 10.0 undecidable manual Pg 0 0 0
IV.MGAB.HHE. 2010-04-22T16:44:29.47 10.0 undecidable manual Pg 0 0 0
IV.ROVR.HHN. 2010-04-22T16:44:29.94 10.0 undecidable manual Pg 0 0 0
IV.ARVD.HHN. 2010-04-22T16:44:27.63 10.0 undecidable manual Pg 0 0 0
GU.FIVI.HLN. 2010-04-22T16:44:25.18 10.0 undecidable manual Pg 0 0 0
IV.BADI.EHN. 2010-04-22T16:44:13.57 10.0 undecidable manual Pg 0 0 0
IV.CSNT.HHZ. 2010-04-22T16:44:11.34 0.3 undecidable manual Sg 201 85.4478 0.002 68
MN.TRI.HHE. 2010-04-22T16:44:11.26 10.0 undecidable manual Pg 0 0 0
IV.CRMI.HHZ. 2010-04-22T16:44:07.37 0.3 undecidable manual Sg 231 71.373 -0.303 66
IV.CRE.HHZ. 2010-04-22T16:44:07.01 0.3 undecidable manual Sg 160 67.7766 0.252 67
IV.FIR.HHZ. 2010-04-22T16:44:05.59 10.0 undecidable manual Pg 0 0 0
IV.ATPI.EHE. 2010-04-22T16:44:05.42 10.0 undecidable manual Pg 0 0 0
IV.PIEI.HHN. 2010-04-22T16:44:04.94 10.0 undecidable manual Pg 0 0 0
IV.FSSB.SHZ. 2010-04-22T16:44:03.86 0.3 undecidable manual Pg 122 104.7174 0.452 60
IV.ATVO.HHN. 2010-04-22T16:44:03.45 0.3 undecidable manual Pg 146 107.9142 -0.433 60
IV.ATPC.HHZ. 2010-04-22T16:44:02.70 0.6 undecidable manual Pg 141 101.3208 -0.194 42
IV.CAFI.HHE. 2010-04-22T16:44:02.74 0.3 undecidable manual Pg 166 98.9232 0.215 64
IV.ASQU.HHZ. 2010-04-22T16:44:01.14 0.3 undecidable manual Sg 167 45.2214 0.075 73
IV.ZCCA.HHE. 2010-04-22T16:44:01.94 10.0 undecidable manual Pg 0 0 0
IV.CSNT.HHZ. 2010-04-22T16:44:00.64 0.3 undecidable manual Pg 201 85.4478 0.16 66
IV.FNVD.HHZ. 2010-04-22T16:44:00.84 0.3 undecidable manual Sg 266 43.2234 0.243 70
IV.SFI.EHE. 2010-04-22T16:43:58.68 0.3 undecidable manual Sg 156 35.2425 -0.023 74
IV.CRMI.HHZ. 2010-04-22T16:43:58.54 0.3 undecidable manual Pg 231 71.373 0.174 68
IV.PARC.HHZ. 2010-04-22T16:43:58.86 10.0 undecidable manual Pg 0 0 0
IV.SEI.SHZ. 2010-04-22T16:43:57.93 0.3 undecidable manual Sg 238 28.9488 0.617 66
IV.CRE.HHZ. 2010-04-22T16:43:57.72 0.3 undecidable manual Pg 160 67.7766 -0.119 69
IV.FAEN.HHE. 2010-04-22T16:43:57.90 10.0 undecidable manual Pg 0 0 0
IV.VMG.SHZ. 2010-04-22T16:43:56.97 0.1 undecidable manual Sg 201 27.5502 -0.05 100
IV.MTRZ.HHZ. 2010-04-22T16:43:55.52 0.3 undecidable manual Sg 305 23.1546 -0.628 64
IV.FNVD.HHZ. 2010-04-22T16:43:54.11 0.3 undecidable manual Pg 266 43.2234 -0.17 71
IV.ASQU.HHZ. 2010-04-22T16:43:54.31 0.3 undecidable manual Pg 167 45.2214 -0.241 70
IV.MTRZ.HHZ. 2010-04-22T16:43:52.31 0.3 undecidable manual Pg 305 23.1546 0.598 67
IV.SEI.SHZ. 2010-04-22T16:43:52.51 0.3 undecidable manual Pg 238 28.9488 0.129 74
IV.SFI.EHE. 2010-04-22T16:43:52.70 0.1 undecidable manual Pg 156 35.2425 -0.486 90
IV.VMG.SHZ. 2010-04-22T16:43:51.97 0.3 undecidable manual Pg 201 27.5502 -0.244 72
SI.ROSI.BHE. 2010-04-22T16:43:33.06 10.0 undecidable manual Pg 0 0 0
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
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