Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 29-04-2014 and time 00:45:02 (Italy) in region Costa Romagnola meridionale (Rimini, Forli Cesena)

A magnitude ML 1.8 earthquake occured in region: Costa Romagnola meridionale (Rimini, Forli Cesena), on

  • 28-04-2014 22:45:02 (UTC)
  • 29-04-2014 00:45:02 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.1090, 12.7460 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Riccione RN 14 34965 34965
Rimini RN 15 147750 182715
Misano Adriatico RN 16 13014 195729
Gabicce Mare PU 16 5781 201510
Cattolica RN 16 17125 218635
Gradara PU 19 4835 223470
San Giovanni in Marignano RN 19 9417 232887
Coriano RN 20 10502 243389

Municipalities with at least 50000 inhabitants

An earthquake occurred to
15 Km E of Rimini (147750 inhabitants)
26 Km NW of Pesaro (94582 inhabitants)
37 Km NW of Fano (60888 inhabitants)
40 Km E of Cesena (96758 inhabitants)
55 Km SE of Ravenna (159116 inhabitants)
58 Km E of Forlì (117913 inhabitants)
72 Km E of Faenza (58541 inhabitants)
83 Km NW of Ancona (100861 inhabitants)
87 Km E of Imola (69797 inhabitants)
99 Km NE of Arezzo (99543 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 		ML 1.8 2014-04-28
22:45:02		 44.1092 12.7457 26 2015-09-21
09:36:10		 Bollettino Sismico Italiano INGV 16439751
Reviewed
Rev100 		ML 1.7 2014-04-28
22:45:01		 44.1358 12.7493 10 2014-10-21
12:08:56		 Sala Sismica INGV-Roma 6328151
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2014-04-28 22:45:02 ± 0.26
Latitude 44.1092 ± 0.0090
Longitude 12.7457 ± 0.0188
Depth (km) 26 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 16439751

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1279
Semi-minor axis of confidence ellipse (meter) 945
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 57
Circular confidence region, given by single value of horizontal uncertainty (meter) 1280.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 247
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 28
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.92630
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 16
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 16439751
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-03-05 18:15:11

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 5
Type of magnitude ML
Reference to an origin 6328151
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2014-04-28 22:58:09
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ATVO.HHZ. 2014-04-28T22:45:28.39 0.3 undecidable manual S 199 85.1481 102 0.62 56
IV.ATFO.HHZ. 2014-04-28T22:45:28.55 0.6 undecidable manual S 190 83.5497 102 1.18 30
IV.SSFR.HHZ. 2014-04-28T22:45:25.57 0.3 undecidable manual S 178 74.6697 104 0.51 64
IV.COR1.EHE. 2014-04-28T22:45:23.89 3.0 undecidable manual S 3.71 0
IV.PARC.HHZ. 2014-04-28T22:45:22.20 0.3 undecidable manual S 219 65.1903 106 -0.41 71
IV.PIEI.HHZ. 2014-04-28T22:45:22.51 0.6 undecidable manual S 195 65.7897 106 -0.25 48
IV.FRON.EHZ. 2014-04-28T22:45:22.93 0.6 undecidable manual S 181 65.5899 106 0.22 46
IV.ATCC.EHZ. 2014-04-28T22:45:20.03 0.6 undecidable manual P 185 102.8193 99 0.38 42
IV.CPGN.EHZ. 2014-04-28T22:45:19.16 0.6 undecidable manual S 225 48.2184 112 0.86 35
IV.MPAG.EHZ. 2014-04-28T22:45:19.32 0.3 undecidable manual S 179 53.2023 110 -0.25 71
IV.NARO.HHZ. 2014-04-28T22:45:19.97 0.3 undecidable manual S 193 56.7987 108 -0.5 69
IV.ATFO.HHZ. 2014-04-28T22:45:17.01 0.6 undecidable manual P 190 83.5497 102 0.28 45
IV.FSSB.HHZ. 2014-04-28T22:45:17.56 0.3 undecidable manual S 177 46.2204 113 -0.26 71
IV.ATVO.HHZ. 2014-04-28T22:45:16.96 0.3 undecidable manual P 199 85.1481 102 0 70
IV.SSFR.HHZ. 2014-04-28T22:45:15.41 0.1 undecidable manual P 178 74.6697 104 0.01 95
IV.ARVD.HHE. 2014-04-28T22:45:15.41 0.6 undecidable manual P 167 69.5748 105 0.78 41
IV.BADI.EHZ. 2014-04-28T22:45:15.57 0.3 undecidable manual P 211 77.6667 103 -0.27 69
IV.RSM2.HHZ. 2014-04-28T22:45:13.82 0.1 undecidable manual S 232 30.5472 125 -0.33 100
IV.PARC.HHZ. 2014-04-28T22:45:13.59 0.3 undecidable manual P 219 65.1903 106 -0.38 69
IV.PIEI.HHZ. 2014-04-28T22:45:13.67 0.3 undecidable manual P 195 65.7897 106 -0.4 67
IV.FRON.EHZ. 2014-04-28T22:45:13.93 0.1 undecidable manual P 181 65.5899 106 -0.11 94
IV.BLLA.EHZ. 2014-04-28T22:45:12.88 0.6 undecidable manual S 280 22.2555 135 0.45 49
IV.NARO.HHZ. 2014-04-28T22:45:12.44 0.1 undecidable manual P 193 56.7987 108 -0.31 93
IV.MPAG.EHZ. 2014-04-28T22:45:12.08 0.1 positive manual P 179 53.2023 110 -0.14 95
IV.PE3.EHZ. 2014-04-28T22:45:11.57 0.3 undecidable manual P 204 50.0166 111 -0.18 73
IV.CPGN.EHZ. 2014-04-28T22:45:11.89 0.1 negative manual P 225 48.2184 112 0.4 92
IV.FSSB.HHZ. 2014-04-28T22:45:10.92 0.1 undecidable manual P 177 46.2204 113 -0.29 93
IV.BLLA.EHZ. 2014-04-28T22:45:08.46 0.3 undecidable manual P 280 22.2555 135 0.36 76
IV.RSM2.HHZ. 2014-04-28T22:45:08.70 0.1 negative manual P 232 30.5472 125 -0.39 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FRON.EHN. ML:1.8 0.00009285 2.98 AML other m 2014-04-28T22:45:25.34
IV.FRON.EHE. ML:1.5 0.00005234999999999999 1.54 AML other m 2014-04-28T22:45:29.21
IV.FSSB.HHN. ML:2.0 0.000268 0.66 AML other m 2014-04-28T22:45:20.02
IV.FSSB.HHE. ML:1.9 0.0002 1.58 AML other m 2014-04-28T22:45:20.71
IV.MPAG.EHN. ML:1.7 0.00010165 0.46 AML other m 2014-04-28T22:45:22.28
IV.MPAG.EHE. ML:1.6 0.00009375 0.42 AML other m 2014-04-28T22:45:22.41
IV.NARO.HHN. ML:1.5 0.0000658 0.6 AML other m 2014-04-28T22:45:23.56
IV.NARO.HHE. ML:1.6 0.00006835 1.52 AML other m 2014-04-28T22:45:23.29
IV.PIEI.HHE. ML:1.8 0.00009259999999999999 0.26 AML other m 2014-04-28T22:45:25.94
IV.PIEI.HHN. ML:1.6 0.0000751 3.58 AML other m 2014-04-28T22:45:25.02
IV.SSFR.HNN. ML:2.3 0.000259 1.34 AML other m 2014-04-28T22:45:29.29
IV.SSFR.HHN. ML:2.1 0.0001835 1.32 AML other m 2014-04-28T22:45:29.29
IV.SSFR.HHE. ML:2.2 0.0002315 0.2 AML other m 2014-04-28T22:45:30.23
IV.SSFR.HNE. ML:2.2 0.000244 0.22 AML other m 2014-04-28T22:45:30.23
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